1076 lines
46 KiB
Swift
1076 lines
46 KiB
Swift
import XCTest
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import Foundation
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import CoreGraphics
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import ImageIO
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import Darwin
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final class MenuKeyEquivalentRoutingUITests: XCTestCase {
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private var gotoSplitPath = ""
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private var keyequivPath = ""
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private var socketPath = ""
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override func setUp() {
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super.setUp()
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continueAfterFailure = false
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gotoSplitPath = "/tmp/cmux-ui-test-goto-split-\(UUID().uuidString).json"
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keyequivPath = "/tmp/cmux-ui-test-keyequiv-\(UUID().uuidString).json"
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socketPath = "/tmp/cmux-ui-test-socket-\(UUID().uuidString).sock"
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try? FileManager.default.removeItem(atPath: gotoSplitPath)
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try? FileManager.default.removeItem(atPath: keyequivPath)
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try? FileManager.default.removeItem(atPath: socketPath)
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}
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func testCmdNWorksWhenWebViewFocusedAfterTabSwitch() {
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let app = launchWithBrowserSetup()
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// Simulate the repro: switch away and back.
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app.typeKey("[", modifierFlags: [.command, .shift])
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app.typeKey("]", modifierFlags: [.command, .shift])
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// Force WebKit to become first responder again (Cmd+L then Escape).
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refocusWebView(app: app)
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let baseline = loadKeyequiv()["addTabInvocations"].flatMap(Int.init) ?? 0
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app.typeKey("n", modifierFlags: [.command])
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XCTAssertTrue(
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waitForKeyequivInt(key: "addTabInvocations", toBeAtLeast: baseline + 1, timeout: 5.0),
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"Expected Cmd+N to reach app menu and create a new tab even when WKWebView is first responder"
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)
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}
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func testCmdWWorksWhenWebViewFocusedAfterTabSwitch() {
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let app = launchWithBrowserSetup()
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// Simulate the repro: switch away and back.
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app.typeKey("[", modifierFlags: [.command, .shift])
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app.typeKey("]", modifierFlags: [.command, .shift])
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// Force WebKit to become first responder again (Cmd+L then Escape).
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refocusWebView(app: app)
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let baseline = loadKeyequiv()["closePanelInvocations"].flatMap(Int.init) ?? 0
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app.typeKey("w", modifierFlags: [.command])
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XCTAssertTrue(
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waitForKeyequivInt(key: "closePanelInvocations", toBeAtLeast: baseline + 1, timeout: 5.0),
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"Expected Cmd+W to reach app menu and close the focused tab even when WKWebView is first responder"
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)
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}
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func testCmdShiftWWorksWhenWebViewFocusedAfterTabSwitch() {
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let app = launchWithBrowserSetup()
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// Simulate the repro: switch away and back.
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app.typeKey("[", modifierFlags: [.command, .shift])
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app.typeKey("]", modifierFlags: [.command, .shift])
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// Force WebKit to become first responder again (Cmd+L then Escape).
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refocusWebView(app: app)
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let baseline = loadKeyequiv()["closeTabInvocations"].flatMap(Int.init) ?? 0
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app.typeKey("w", modifierFlags: [.command, .shift])
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XCTAssertTrue(
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waitForKeyequivInt(key: "closeTabInvocations", toBeAtLeast: baseline + 1, timeout: 6.0),
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"Expected Cmd+Shift+W to reach app menu and close the current workspace even when WKWebView is first responder"
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)
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}
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private func launchWithBrowserSetup() -> XCUIApplication {
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let app = XCUIApplication()
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app.launchEnvironment["CMUX_SOCKET_PATH"] = socketPath
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app.launchEnvironment["CMUX_UI_TEST_GOTO_SPLIT_SETUP"] = "1"
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app.launchEnvironment["CMUX_UI_TEST_GOTO_SPLIT_PATH"] = gotoSplitPath
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app.launchEnvironment["CMUX_UI_TEST_KEYEQUIV_PATH"] = keyequivPath
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app.launch()
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app.activate()
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XCTAssertTrue(
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waitForGotoSplit(keys: ["browserPanelId", "webViewFocused"], timeout: 10.0),
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"Expected goto_split setup data to be written"
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)
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if let setup = loadGotoSplit() {
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XCTAssertEqual(setup["webViewFocused"], "true", "Expected WKWebView to be first responder for this test setup")
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}
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return app
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}
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private func refocusWebView(app: XCUIApplication) {
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// Cmd+L focuses the omnibar (so WebKit is no longer first responder).
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app.typeKey("l", modifierFlags: [.command])
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XCTAssertTrue(
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waitForGotoSplitMatch(timeout: 5.0) { data in
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data["webViewFocusedAfterAddressBarFocus"] == "false"
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},
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"Expected Cmd+L to focus omnibar (WebKit not first responder)"
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)
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// Escape should leave the omnibar and focus WebKit again.
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// Send Escape twice: the first may only clear suggestions/editing state
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// (Chrome-like two-stage escape), the second triggers blur to WebView.
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app.typeKey(XCUIKeyboardKey.escape.rawValue, modifierFlags: [])
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if !waitForGotoSplitMatch(timeout: 2.0, predicate: { $0["webViewFocusedAfterAddressBarExit"] == "true" }) {
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app.typeKey(XCUIKeyboardKey.escape.rawValue, modifierFlags: [])
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}
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XCTAssertTrue(
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waitForGotoSplitMatch(timeout: 5.0) { data in
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data["webViewFocusedAfterAddressBarExit"] == "true"
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},
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"Expected Escape to return focus to WebKit"
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)
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}
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private func waitForGotoSplit(keys: [String], timeout: TimeInterval) -> Bool {
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let deadline = Date().addingTimeInterval(timeout)
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while Date() < deadline {
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if let data = loadGotoSplit(), keys.allSatisfy({ data[$0] != nil }) {
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return true
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}
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RunLoop.current.run(until: Date().addingTimeInterval(0.05))
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}
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if let data = loadGotoSplit(), keys.allSatisfy({ data[$0] != nil }) {
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return true
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}
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return false
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}
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private func waitForGotoSplitMatch(timeout: TimeInterval, predicate: ([String: String]) -> Bool) -> Bool {
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let deadline = Date().addingTimeInterval(timeout)
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while Date() < deadline {
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if let data = loadGotoSplit(), predicate(data) {
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return true
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}
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RunLoop.current.run(until: Date().addingTimeInterval(0.05))
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}
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if let data = loadGotoSplit(), predicate(data) {
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return true
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}
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return false
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}
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private func waitForKeyequivInt(key: String, toBeAtLeast expected: Int, timeout: TimeInterval) -> Bool {
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let deadline = Date().addingTimeInterval(timeout)
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while Date() < deadline {
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let value = loadKeyequiv()[key].flatMap(Int.init) ?? 0
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if value >= expected {
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return true
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}
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RunLoop.current.run(until: Date().addingTimeInterval(0.05))
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}
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let value = loadKeyequiv()[key].flatMap(Int.init) ?? 0
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return value >= expected
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}
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private func loadGotoSplit() -> [String: String]? {
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guard let data = try? Data(contentsOf: URL(fileURLWithPath: gotoSplitPath)) else {
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return nil
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}
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return (try? JSONSerialization.jsonObject(with: data)) as? [String: String]
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}
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private func loadKeyequiv() -> [String: String] {
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guard let data = try? Data(contentsOf: URL(fileURLWithPath: keyequivPath)),
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let object = try? JSONSerialization.jsonObject(with: data) as? [String: String] else {
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return [:]
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}
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return object
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}
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}
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final class SplitCloseRightBlankRegressionUITests: XCTestCase {
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private var dataPath = ""
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private var socketPath = ""
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private var diagnosticsPath = ""
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private var screenshotDir = ""
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private var socketClient: ControlSocketClient?
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override func setUp() {
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super.setUp()
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continueAfterFailure = false
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dataPath = "/tmp/cmux-ui-test-split-close-right-\(UUID().uuidString).json"
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socketPath = "/tmp/cmux-ui-test-socket-\(UUID().uuidString).sock"
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diagnosticsPath = "/tmp/cmux-ui-test-diagnostics-\(UUID().uuidString).json"
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// Prefer a globally accessible dir so we can pull screenshots from the VM for debugging.
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// If sandbox rules prevent this, fall back to the runner's container temp dir.
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let leaf = "cmux-ui-test-split-close-right-shots-\(UUID().uuidString)"
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let preferredURL = URL(fileURLWithPath: "/private/tmp").appendingPathComponent(leaf)
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let fallbackURL = FileManager.default.temporaryDirectory.appendingPathComponent(leaf)
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// Attempt to create the preferred dir; if it fails, use fallback.
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if (try? FileManager.default.createDirectory(at: preferredURL, withIntermediateDirectories: true)) != nil {
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screenshotDir = preferredURL.path
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} else {
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screenshotDir = fallbackURL.path
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}
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try? FileManager.default.removeItem(atPath: dataPath)
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try? FileManager.default.removeItem(atPath: socketPath)
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try? FileManager.default.removeItem(atPath: diagnosticsPath)
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try? FileManager.default.removeItem(atPath: screenshotDir)
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try? FileManager.default.createDirectory(atPath: screenshotDir, withIntermediateDirectories: true)
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}
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func testClosingBothRightSplitsDoesNotLeaveBlankPane() {
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let app = XCUIApplication()
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_SETUP"] = "1"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATH"] = dataPath
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app.launchEnvironment["CMUX_SOCKET_PATH"] = socketPath
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app.launchEnvironment["CMUX_UI_TEST_DIAGNOSTICS_PATH"] = diagnosticsPath
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app.launch()
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app.activate()
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XCTAssertTrue(waitForAnyData(timeout: 12.0), "Expected split-close-right test data to be written at \(dataPath)")
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guard let data = waitForSettledData(timeout: 10.0) else {
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XCTFail("Missing split-close-right test data after waiting for settle")
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return
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}
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if let setupError = data["setupError"], !setupError.isEmpty {
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XCTFail("Test setup failed: \(setupError)")
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return
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}
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let finalPaneCount = Int(data["finalPaneCount"] ?? "") ?? -1
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let missingSelected = Int(data["missingSelectedTabCount"] ?? "") ?? -1
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let missingMapping = Int(data["missingPanelMappingCount"] ?? "") ?? -1
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let emptyPanels = Int(data["emptyPanelAppearCount"] ?? "") ?? -1
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let selectedTerminalCount = Int(data["selectedTerminalCount"] ?? "") ?? -1
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let selectedTerminalAttached = Int(data["selectedTerminalAttachedCount"] ?? "") ?? -1
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let selectedTerminalZeroSize = Int(data["selectedTerminalZeroSizeCount"] ?? "") ?? -1
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let selectedTerminalSurfaceNil = Int(data["selectedTerminalSurfaceNilCount"] ?? "") ?? -1
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let preTerminalAttached = Int(data["preTerminalAttached"] ?? "") ?? -1
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let preTerminalSurfaceNil = Int(data["preTerminalSurfaceNil"] ?? "") ?? -1
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// Expected correct behavior: after closing the two right panes, we should have a clean 1x2 stack,
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// and both panes should have a selected bonsplit tab that maps to an existing Panel.
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XCTAssertEqual(preTerminalAttached, 1, "Expected the initial terminal view to be attached to a window before the repro runs")
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XCTAssertEqual(preTerminalSurfaceNil, 0, "Expected the initial terminal to have a non-nil ghostty_surface before the repro runs")
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XCTAssertEqual(finalPaneCount, 2, "Expected 2 panes after closing both right splits")
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XCTAssertEqual(missingSelected, 0, "Expected no pane to have a nil selected tab")
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XCTAssertEqual(missingMapping, 0, "Expected no selected bonsplit tab to be missing its Panel mapping")
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XCTAssertEqual(emptyPanels, 0, "Expected no Empty Panel views to appear during the close sequence")
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XCTAssertEqual(selectedTerminalCount, 2, "Expected both remaining panes to be terminal panels")
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XCTAssertEqual(selectedTerminalAttached, 2, "Expected both remaining terminal views to be attached to a window")
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XCTAssertEqual(selectedTerminalZeroSize, 0, "Expected no remaining terminal view to have a zero-ish size")
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XCTAssertEqual(selectedTerminalSurfaceNil, 0, "Expected no remaining terminal to have a nil ghostty_surface")
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}
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func testReproBlankAfterClosingRightSplitsViaShortcuts() {
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let app = XCUIApplication()
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app.launchEnvironment["CMUX_UI_TEST_DIAGNOSTICS_PATH"] = diagnosticsPath
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_SETUP"] = "1"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATH"] = dataPath
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_VISUAL"] = "1"
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// The regression can be a single compositor frame; capture enough post-close frames to
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// deterministically catch it.
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_ITERATIONS"] = "12"
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// Close quickly (closer to how a user can click two close buttons back-to-back).
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_CLOSE_DELAY_MS"] = "0"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_BURST_FRAMES"] = "32"
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// Repro order that still flashes for users: split left/right first, then split top/down.
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATTERN"] = "close_right_lrtd"
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app.launch()
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app.activate()
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XCTAssertTrue(waitForAnyData(timeout: 12.0), "Expected split-close-right test data to be written at \(dataPath)")
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// Wait for the app-side repro loop to finish.
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let doneDeadline = Date().addingTimeInterval(90.0)
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while Date() < doneDeadline {
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if let data = loadData(), data["visualDone"] == "1" {
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break
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}
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RunLoop.current.run(until: Date().addingTimeInterval(0.10))
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}
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guard let data = loadData() else {
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XCTFail("Missing split-close-right data after waiting. path=\(dataPath)")
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return
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}
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if let setupError = data["setupError"], !setupError.isEmpty {
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XCTFail("Test setup failed: \(setupError)")
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return
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}
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let lastIter = Int(data["visualLastIteration"] ?? "") ?? 0
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XCTAssertGreaterThan(lastIter, 0, "Expected at least one visual iteration. data=\(data)")
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let blankSeen = (data["blankFrameSeen"] ?? "") == "1"
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let sizeMismatchSeen = (data["sizeMismatchSeen"] ?? "") == "1"
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let trace = data["timelineTrace"] ?? ""
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XCTAssertFalse(
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blankSeen,
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"Transient blank frame detected. at=\(data["blankObservedAt"] ?? "") iter=\(data["blankObservedIteration"] ?? "") trace=\(trace)"
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)
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XCTAssertFalse(
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sizeMismatchSeen,
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"Transient IOSurface size mismatch detected (stretched text). at=\(data["sizeMismatchObservedAt"] ?? "") iter=\(data["sizeMismatchObservedIteration"] ?? "") trace=\(trace)"
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)
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}
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func testReproStretchAfterClosingSingleRightSplit() {
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let app = XCUIApplication()
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app.launchEnvironment["CMUX_UI_TEST_DIAGNOSTICS_PATH"] = diagnosticsPath
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_SETUP"] = "1"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATH"] = dataPath
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_VISUAL"] = "1"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_ITERATIONS"] = "16"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_CLOSE_DELAY_MS"] = "0"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_BURST_FRAMES"] = "36"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATTERN"] = "close_right_single"
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app.launch()
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app.activate()
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XCTAssertTrue(waitForAnyData(timeout: 12.0), "Expected split-close-right test data to be written at \(dataPath)")
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let doneDeadline = Date().addingTimeInterval(90.0)
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while Date() < doneDeadline {
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if let data = loadData(), data["visualDone"] == "1" {
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break
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}
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RunLoop.current.run(until: Date().addingTimeInterval(0.10))
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}
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guard let data = loadData() else {
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XCTFail("Missing split-close-right data after waiting. path=\(dataPath)")
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return
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}
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if let setupError = data["setupError"], !setupError.isEmpty {
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XCTFail("Test setup failed: \(setupError)")
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return
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}
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let lastIter = Int(data["visualLastIteration"] ?? "") ?? 0
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XCTAssertGreaterThan(lastIter, 0, "Expected at least one visual iteration. data=\(data)")
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let sizeMismatchSeen = (data["sizeMismatchSeen"] ?? "") == "1"
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let trace = data["timelineTrace"] ?? ""
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XCTAssertFalse(
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sizeMismatchSeen,
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"Transient IOSurface size mismatch detected (stretched text). at=\(data["sizeMismatchObservedAt"] ?? "") iter=\(data["sizeMismatchObservedIteration"] ?? "") trace=\(trace)"
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)
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}
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func testReproBlankAfterClosingBottomSplitsViaShortcuts() {
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let app = XCUIApplication()
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app.launchEnvironment["CMUX_UI_TEST_DIAGNOSTICS_PATH"] = diagnosticsPath
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_SETUP"] = "1"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATH"] = dataPath
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_VISUAL"] = "1"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_ITERATIONS"] = "12"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_CLOSE_DELAY_MS"] = "0"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_BURST_FRAMES"] = "32"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATTERN"] = "close_bottom"
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app.launch()
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app.activate()
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XCTAssertTrue(waitForAnyData(timeout: 12.0), "Expected split-close-right test data to be written at \(dataPath)")
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let doneDeadline = Date().addingTimeInterval(90.0)
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while Date() < doneDeadline {
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if let data = loadData(), data["visualDone"] == "1" {
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break
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}
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RunLoop.current.run(until: Date().addingTimeInterval(0.10))
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}
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guard let data = loadData() else {
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XCTFail("Missing split-close-right data after waiting. path=\(dataPath)")
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return
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}
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if let setupError = data["setupError"], !setupError.isEmpty {
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XCTFail("Test setup failed: \(setupError)")
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return
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}
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let lastIter = Int(data["visualLastIteration"] ?? "") ?? 0
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XCTAssertGreaterThan(lastIter, 0, "Expected at least one visual iteration. data=\(data)")
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let blankSeen = (data["blankFrameSeen"] ?? "") == "1"
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let sizeMismatchSeen = (data["sizeMismatchSeen"] ?? "") == "1"
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let trace = data["timelineTrace"] ?? ""
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XCTAssertFalse(
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blankSeen,
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"Transient blank frame detected. at=\(data["blankObservedAt"] ?? "") iter=\(data["blankObservedIteration"] ?? "") trace=\(trace)"
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)
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XCTAssertFalse(
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sizeMismatchSeen,
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"Transient IOSurface size mismatch detected (stretched text). at=\(data["sizeMismatchObservedAt"] ?? "") iter=\(data["sizeMismatchObservedIteration"] ?? "") trace=\(trace)"
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)
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}
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func testReproBlankAfterClosingRightSplitsTopFirstWithGap() {
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let app = XCUIApplication()
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app.launchEnvironment["CMUX_UI_TEST_DIAGNOSTICS_PATH"] = diagnosticsPath
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_SETUP"] = "1"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATH"] = dataPath
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_VISUAL"] = "1"
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app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_ITERATIONS"] = "14"
|
|
// Reproduce manual close cadence: close top-right, observe one frame, then close bottom-right.
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_CLOSE_DELAY_MS"] = "120"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_BURST_FRAMES"] = "40"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATTERN"] = "close_right_lrtd"
|
|
app.launch()
|
|
app.activate()
|
|
|
|
XCTAssertTrue(waitForAnyData(timeout: 12.0), "Expected split-close-right test data to be written at \(dataPath)")
|
|
|
|
let doneDeadline = Date().addingTimeInterval(90.0)
|
|
while Date() < doneDeadline {
|
|
if let data = loadData(), data["visualDone"] == "1" {
|
|
break
|
|
}
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.10))
|
|
}
|
|
|
|
guard let data = loadData() else {
|
|
XCTFail("Missing split-close-right data after waiting. path=\(dataPath)")
|
|
return
|
|
}
|
|
if let setupError = data["setupError"], !setupError.isEmpty {
|
|
XCTFail("Test setup failed: \(setupError)")
|
|
return
|
|
}
|
|
|
|
let lastIter = Int(data["visualLastIteration"] ?? "") ?? 0
|
|
XCTAssertGreaterThan(lastIter, 0, "Expected at least one visual iteration. data=\(data)")
|
|
|
|
let blankSeen = (data["blankFrameSeen"] ?? "") == "1"
|
|
let sizeMismatchSeen = (data["sizeMismatchSeen"] ?? "") == "1"
|
|
let trace = data["timelineTrace"] ?? ""
|
|
|
|
XCTAssertFalse(
|
|
blankSeen,
|
|
"Transient blank frame detected. at=\(data["blankObservedAt"] ?? "") iter=\(data["blankObservedIteration"] ?? "") trace=\(trace)"
|
|
)
|
|
XCTAssertFalse(
|
|
sizeMismatchSeen,
|
|
"Transient IOSurface size mismatch detected (stretched text). at=\(data["sizeMismatchObservedAt"] ?? "") iter=\(data["sizeMismatchObservedIteration"] ?? "") trace=\(trace)"
|
|
)
|
|
}
|
|
|
|
func testReproBlankAfterClosingRightSplitsBottomFirstViaShortcuts() {
|
|
let app = XCUIApplication()
|
|
app.launchEnvironment["CMUX_UI_TEST_DIAGNOSTICS_PATH"] = diagnosticsPath
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_SETUP"] = "1"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATH"] = dataPath
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_VISUAL"] = "1"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_ITERATIONS"] = "12"
|
|
// Keep a short but non-zero delay so we sample the transient frame after BR closes
|
|
// and before TR closes (the user-visible stretched-text repro window).
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_CLOSE_DELAY_MS"] = "120"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_BURST_FRAMES"] = "40"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATTERN"] = "close_right_lrtd_bottom_first"
|
|
app.launch()
|
|
app.activate()
|
|
|
|
XCTAssertTrue(waitForAnyData(timeout: 12.0), "Expected split-close-right test data to be written at \(dataPath)")
|
|
|
|
let doneDeadline = Date().addingTimeInterval(90.0)
|
|
while Date() < doneDeadline {
|
|
if let data = loadData(), data["visualDone"] == "1" {
|
|
break
|
|
}
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.10))
|
|
}
|
|
|
|
guard let data = loadData() else {
|
|
XCTFail("Missing split-close-right data after waiting. path=\(dataPath)")
|
|
return
|
|
}
|
|
if let setupError = data["setupError"], !setupError.isEmpty {
|
|
XCTFail("Test setup failed: \(setupError)")
|
|
return
|
|
}
|
|
|
|
let lastIter = Int(data["visualLastIteration"] ?? "") ?? 0
|
|
XCTAssertGreaterThan(lastIter, 0, "Expected at least one visual iteration. data=\(data)")
|
|
|
|
let blankSeen = (data["blankFrameSeen"] ?? "") == "1"
|
|
let sizeMismatchSeen = (data["sizeMismatchSeen"] ?? "") == "1"
|
|
let trace = data["timelineTrace"] ?? ""
|
|
|
|
XCTAssertFalse(
|
|
blankSeen,
|
|
"Transient blank frame detected. at=\(data["blankObservedAt"] ?? "") iter=\(data["blankObservedIteration"] ?? "") trace=\(trace)"
|
|
)
|
|
XCTAssertFalse(
|
|
sizeMismatchSeen,
|
|
"Transient IOSurface size mismatch detected (stretched text). at=\(data["sizeMismatchObservedAt"] ?? "") iter=\(data["sizeMismatchObservedIteration"] ?? "") trace=\(trace)"
|
|
)
|
|
}
|
|
|
|
func testReproBlankAfterClosingRightSplitsWithoutFocusingRightPanes() {
|
|
let app = XCUIApplication()
|
|
app.launchEnvironment["CMUX_UI_TEST_DIAGNOSTICS_PATH"] = diagnosticsPath
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_SETUP"] = "1"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATH"] = dataPath
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_VISUAL"] = "1"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_ITERATIONS"] = "16"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_CLOSE_DELAY_MS"] = "0"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_BURST_FRAMES"] = "36"
|
|
app.launchEnvironment["CMUX_UI_TEST_SPLIT_CLOSE_RIGHT_PATTERN"] = "close_right_lrtd_unfocused"
|
|
app.launch()
|
|
app.activate()
|
|
|
|
XCTAssertTrue(waitForAnyData(timeout: 12.0), "Expected split-close-right test data to be written at \(dataPath)")
|
|
|
|
let doneDeadline = Date().addingTimeInterval(90.0)
|
|
while Date() < doneDeadline {
|
|
if let data = loadData(), data["visualDone"] == "1" {
|
|
break
|
|
}
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.10))
|
|
}
|
|
|
|
guard let data = loadData() else {
|
|
XCTFail("Missing split-close-right data after waiting. path=\(dataPath)")
|
|
return
|
|
}
|
|
if let setupError = data["setupError"], !setupError.isEmpty {
|
|
XCTFail("Test setup failed: \(setupError)")
|
|
return
|
|
}
|
|
|
|
let lastIter = Int(data["visualLastIteration"] ?? "") ?? 0
|
|
XCTAssertGreaterThan(lastIter, 0, "Expected at least one visual iteration. data=\(data)")
|
|
|
|
let blankSeen = (data["blankFrameSeen"] ?? "") == "1"
|
|
let sizeMismatchSeen = (data["sizeMismatchSeen"] ?? "") == "1"
|
|
let trace = data["timelineTrace"] ?? ""
|
|
|
|
XCTAssertFalse(
|
|
blankSeen,
|
|
"Transient blank frame detected. at=\(data["blankObservedAt"] ?? "") iter=\(data["blankObservedIteration"] ?? "") trace=\(trace)"
|
|
)
|
|
XCTAssertFalse(
|
|
sizeMismatchSeen,
|
|
"Transient IOSurface size mismatch detected (stretched text). at=\(data["sizeMismatchObservedAt"] ?? "") iter=\(data["sizeMismatchObservedIteration"] ?? "") trace=\(trace)"
|
|
)
|
|
}
|
|
|
|
// MARK: - Screenshot-Based Blank Detection
|
|
|
|
private struct CropStats {
|
|
let sampleCount: Int
|
|
let uniqueQuantized: Int
|
|
let lumaStdDev: Double
|
|
let modeFraction: Double
|
|
let fingerprint: UInt64
|
|
|
|
var isProbablyBlank: Bool {
|
|
// Tuned for "terminal went visually blank": near-uniform region, very low contrast.
|
|
// (The exact thresholds are conservative; we also require consecutive blank samples below.)
|
|
return lumaStdDev < 2.5 && modeFraction > 0.992
|
|
}
|
|
}
|
|
|
|
private func assertPaneRendersAndUpdates(
|
|
app: XCUIApplication,
|
|
window: XCUIElement,
|
|
paneCenter: CGVector,
|
|
blankCrop: CGRect,
|
|
updateCrop: CGRect,
|
|
label: String
|
|
) {
|
|
// We want to catch:
|
|
// 1) pane visually blank (uniform background)
|
|
// 2) pane visually frozen (doesn't update after printing)
|
|
//
|
|
// We deliberately avoid relying on "Empty Panel" accessibility text, since the regression
|
|
// you're reporting is a blank terminal surface, not necessarily the EmptyPanelView.
|
|
|
|
func takeStats(_ name: String, crop: CGRect) -> (String, CropStats)? {
|
|
guard let path = writeScreenshot(window: window, name: name),
|
|
let png = try? Data(contentsOf: URL(fileURLWithPath: path)),
|
|
let stats = cropStats(pngData: png, normalizedCrop: crop) else {
|
|
return nil
|
|
}
|
|
return (path, stats)
|
|
}
|
|
|
|
// Capture a baseline frame.
|
|
guard let (preBlankPath, preBlankStats) = takeStats("\(label)-pre-blank", crop: blankCrop),
|
|
let (preUpdatePath, preUpdateStats) = takeStats("\(label)-pre-update", crop: updateCrop) else {
|
|
XCTFail("Failed to capture pre screenshot for \(label). shots=\(screenshotDir)")
|
|
return
|
|
}
|
|
|
|
// Trigger a visible update in the pane.
|
|
window.coordinate(withNormalizedOffset: paneCenter).click()
|
|
// Print a lot of lines so the update is visible in a screenshot diff even with subsampling.
|
|
let token = String(UUID().uuidString.prefix(8))
|
|
app.typeText("yes CMUX_AFTER_CLOSE_\(label)_\(token) | head -n 30\n")
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.7))
|
|
|
|
guard let (postBlankPath, postBlankStats) = takeStats("\(label)-post-blank", crop: blankCrop),
|
|
let (postUpdatePath, postUpdateStats) = takeStats("\(label)-post-update", crop: updateCrop) else {
|
|
XCTFail("Failed to capture post screenshot for \(label). shots=\(screenshotDir)")
|
|
return
|
|
}
|
|
|
|
if postBlankStats.isProbablyBlank {
|
|
addKeptScreenshot(path: preBlankPath, name: "\(label)-pre-blank")
|
|
addKeptScreenshot(path: postBlankPath, name: "\(label)-post-blank")
|
|
XCTFail("Pane looks blank after close. label=\(label) pre=\(preBlankStats) post=\(postBlankStats) shots=\(screenshotDir)")
|
|
return
|
|
}
|
|
|
|
// Fingerprints can collide on terminal content (white glyphs on dark background with similar
|
|
// layout). Use a mean absolute luma diff threshold to detect a truly frozen surface.
|
|
// Compare only the pane area to avoid false positives from other UI movement.
|
|
if let prePng = try? Data(contentsOf: URL(fileURLWithPath: preUpdatePath)),
|
|
let postPng = try? Data(contentsOf: URL(fileURLWithPath: postUpdatePath)),
|
|
let diff = meanAbsLumaDiff(pngA: prePng, pngB: postPng, normalizedCrop: updateCrop),
|
|
diff < 1.0 {
|
|
addKeptScreenshot(path: preUpdatePath, name: "\(label)-pre-update")
|
|
addKeptScreenshot(path: postUpdatePath, name: "\(label)-post-update")
|
|
XCTFail("Pane looks frozen (no visual change after printing). label=\(label) diff=\(diff) pre=\(preUpdateStats) post=\(postUpdateStats) shots=\(screenshotDir)")
|
|
return
|
|
}
|
|
|
|
// Also guard against a delayed blanking: watch for ~1.5s and fail if it goes blank for sustained streak.
|
|
let deadline = Date().addingTimeInterval(1.5)
|
|
var blankStreak = 0
|
|
var sampleIndex = 0
|
|
while Date() < deadline {
|
|
sampleIndex += 1
|
|
guard let (path, stats) = takeStats("\(label)-watch-\(String(format: "%02d", sampleIndex))", crop: blankCrop) else {
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.17))
|
|
continue
|
|
}
|
|
if stats.isProbablyBlank {
|
|
blankStreak += 1
|
|
} else {
|
|
blankStreak = 0
|
|
}
|
|
if blankStreak >= 6 { // ~1s
|
|
addKeptScreenshot(path: path, name: "\(label)-watch-last")
|
|
XCTFail("Pane became blank for sustained period after close. label=\(label) stats=\(stats) shots=\(screenshotDir)")
|
|
return
|
|
}
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.17))
|
|
}
|
|
}
|
|
|
|
@discardableResult
|
|
private func writeScreenshot(window: XCUIElement, name: String) -> String? {
|
|
let shot = window.screenshot()
|
|
let path = "\(screenshotDir)/\(name).png"
|
|
do {
|
|
try shot.pngRepresentation.write(to: URL(fileURLWithPath: path))
|
|
return path
|
|
} catch {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
private func addKeptScreenshot(path: String, name: String) {
|
|
let attachment = XCTAttachment(contentsOfFile: URL(fileURLWithPath: path))
|
|
attachment.name = name
|
|
attachment.lifetime = .keepAlways
|
|
add(attachment)
|
|
}
|
|
|
|
private func meanAbsLumaDiff(pngA: Data, pngB: Data, normalizedCrop: CGRect) -> Double? {
|
|
guard let imageA = cgImage(from: pngA),
|
|
let imageB = cgImage(from: pngB) else {
|
|
return nil
|
|
}
|
|
guard imageA.width == imageB.width, imageA.height == imageB.height else { return nil }
|
|
let width = imageA.width
|
|
let height = imageA.height
|
|
if width <= 0 || height <= 0 { return nil }
|
|
|
|
let cropPx = CGRect(
|
|
x: max(0, min(CGFloat(width - 1), normalizedCrop.origin.x * CGFloat(width))),
|
|
y: max(0, min(CGFloat(height - 1), normalizedCrop.origin.y * CGFloat(height))),
|
|
width: max(1, min(CGFloat(width), normalizedCrop.width * CGFloat(width))),
|
|
height: max(1, min(CGFloat(height), normalizedCrop.height * CGFloat(height)))
|
|
).integral
|
|
|
|
let x0 = Int(cropPx.minX)
|
|
let y0 = Int(cropPx.minY)
|
|
let x1 = Int(min(CGFloat(width), cropPx.maxX))
|
|
let y1 = Int(min(CGFloat(height), cropPx.maxY))
|
|
if x1 <= x0 || y1 <= y0 { return nil }
|
|
|
|
guard let bufA = decodeRGBA(imageA), let bufB = decodeRGBA(imageB) else { return nil }
|
|
let bytesPerPixel = 4
|
|
let bytesPerRow = width * bytesPerPixel
|
|
|
|
let step = 3
|
|
var total = 0.0
|
|
var count = 0
|
|
for y in stride(from: y0, to: y1, by: step) {
|
|
let row = y * bytesPerRow
|
|
for x in stride(from: x0, to: x1, by: step) {
|
|
let i = row + x * bytesPerPixel
|
|
let ar = Double(bufA[i])
|
|
let ag = Double(bufA[i + 1])
|
|
let ab = Double(bufA[i + 2])
|
|
let br = Double(bufB[i])
|
|
let bg = Double(bufB[i + 1])
|
|
let bb = Double(bufB[i + 2])
|
|
let al = 0.2126 * ar + 0.7152 * ag + 0.0722 * ab
|
|
let bl = 0.2126 * br + 0.7152 * bg + 0.0722 * bb
|
|
total += abs(al - bl)
|
|
count += 1
|
|
}
|
|
}
|
|
return count > 0 ? (total / Double(count)) : nil
|
|
}
|
|
|
|
private func cgImage(from pngData: Data) -> CGImage? {
|
|
guard let source = CGImageSourceCreateWithData(pngData as CFData, nil) else {
|
|
return nil
|
|
}
|
|
return CGImageSourceCreateImageAtIndex(source, 0, nil)
|
|
}
|
|
|
|
private func decodeRGBA(_ image: CGImage) -> [UInt8]? {
|
|
let width = image.width
|
|
let height = image.height
|
|
let bytesPerPixel = 4
|
|
let bytesPerRow = width * bytesPerPixel
|
|
var buf = [UInt8](repeating: 0, count: height * bytesPerRow)
|
|
|
|
// Important: pass the *pixel buffer* pointer, not the Array object address.
|
|
// Also pin the pixel format so our [r,g,b,a] indexing matches reality.
|
|
let ok = buf.withUnsafeMutableBytes { raw -> Bool in
|
|
guard let base = raw.baseAddress else { return false }
|
|
|
|
let bitmapInfo = CGBitmapInfo.byteOrder32Big.rawValue | CGImageAlphaInfo.premultipliedLast.rawValue
|
|
guard let ctx = CGContext(
|
|
data: base,
|
|
width: width,
|
|
height: height,
|
|
bitsPerComponent: 8,
|
|
bytesPerRow: bytesPerRow,
|
|
space: CGColorSpaceCreateDeviceRGB(),
|
|
bitmapInfo: bitmapInfo
|
|
) else { return false }
|
|
|
|
// Note: do not flip the context here.
|
|
// With CGImage decoded from XCUI screenshots, the bitmap memory we get from a plain
|
|
// draw() already matches the "top-left origin" expectation used by our normalized crops.
|
|
ctx.draw(image, in: CGRect(x: 0, y: 0, width: width, height: height))
|
|
return true
|
|
}
|
|
|
|
return ok ? buf : nil
|
|
}
|
|
|
|
private func cropStats(pngData: Data, normalizedCrop: CGRect) -> CropStats? {
|
|
guard let image = cgImage(from: pngData) else {
|
|
return nil
|
|
}
|
|
|
|
let width = image.width
|
|
let height = image.height
|
|
if width <= 0 || height <= 0 { return nil }
|
|
|
|
let cropPx = CGRect(
|
|
x: max(0, min(CGFloat(width - 1), normalizedCrop.origin.x * CGFloat(width))),
|
|
y: max(0, min(CGFloat(height - 1), normalizedCrop.origin.y * CGFloat(height))),
|
|
width: max(1, min(CGFloat(width), normalizedCrop.width * CGFloat(width))),
|
|
height: max(1, min(CGFloat(height), normalizedCrop.height * CGFloat(height)))
|
|
).integral
|
|
|
|
// Render into a known RGBA8 buffer with top-left origin.
|
|
guard let buf = decodeRGBA(image) else { return nil }
|
|
let bytesPerPixel = 4
|
|
let bytesPerRow = width * bytesPerPixel
|
|
|
|
let x0 = Int(cropPx.minX)
|
|
let y0 = Int(cropPx.minY)
|
|
let x1 = Int(min(CGFloat(width), cropPx.maxX))
|
|
let y1 = Int(min(CGFloat(height), cropPx.maxY))
|
|
if x1 <= x0 || y1 <= y0 { return nil }
|
|
|
|
// Sample every N pixels to keep this cheap and stable.
|
|
let step = 3
|
|
var lumas = [Double]()
|
|
lumas.reserveCapacity(((x1 - x0) / step) * ((y1 - y0) / step))
|
|
|
|
// Quantize RGB to 4 bits/channel and track uniqueness + mode.
|
|
var hist = [UInt16: Int]()
|
|
hist.reserveCapacity(256)
|
|
|
|
var count = 0
|
|
var fnv: UInt64 = 1469598103934665603 // FNV-1a offset basis
|
|
for y in stride(from: y0, to: y1, by: step) {
|
|
let rowBase = y * bytesPerRow
|
|
for x in stride(from: x0, to: x1, by: step) {
|
|
let i = rowBase + x * bytesPerPixel
|
|
let r = Double(buf[i])
|
|
let g = Double(buf[i + 1])
|
|
let b = Double(buf[i + 2])
|
|
let luma = 0.2126 * r + 0.7152 * g + 0.0722 * b
|
|
lumas.append(luma)
|
|
|
|
let rq = UInt16(UInt8(buf[i]) >> 4)
|
|
let gq = UInt16(UInt8(buf[i + 1]) >> 4)
|
|
let bq = UInt16(UInt8(buf[i + 2]) >> 4)
|
|
let key = (rq << 8) | (gq << 4) | bq
|
|
hist[key, default: 0] += 1
|
|
count += 1
|
|
|
|
// Fingerprint based on quantized luma (coarse) plus position order.
|
|
let lq = UInt8(max(0, min(63, Int(luma / 4.0)))) // ~6 bits
|
|
fnv ^= UInt64(lq)
|
|
fnv &*= 1099511628211
|
|
}
|
|
}
|
|
|
|
guard count > 0 else { return nil }
|
|
|
|
// stddev of luma
|
|
let mean = lumas.reduce(0.0, +) / Double(lumas.count)
|
|
let variance = lumas.reduce(0.0) { $0 + ($1 - mean) * ($1 - mean) } / Double(lumas.count)
|
|
let stddev = sqrt(variance)
|
|
|
|
// mode fraction
|
|
let modeCount = hist.values.max() ?? 0
|
|
let modeFrac = Double(modeCount) / Double(count)
|
|
|
|
return CropStats(
|
|
sampleCount: count,
|
|
uniqueQuantized: hist.count,
|
|
lumaStdDev: stddev,
|
|
modeFraction: modeFrac,
|
|
fingerprint: fnv
|
|
)
|
|
}
|
|
|
|
private func waitForData(keys: [String], timeout: TimeInterval) -> Bool {
|
|
let deadline = Date().addingTimeInterval(timeout)
|
|
while Date() < deadline {
|
|
if let data = loadData(), keys.allSatisfy({ data[$0] != nil }) {
|
|
return true
|
|
}
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.05))
|
|
}
|
|
if let data = loadData(), keys.allSatisfy({ data[$0] != nil }) {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
private func waitForAnyData(timeout: TimeInterval) -> Bool {
|
|
let deadline = Date().addingTimeInterval(timeout)
|
|
while Date() < deadline {
|
|
if loadData() != nil {
|
|
return true
|
|
}
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.05))
|
|
}
|
|
return loadData() != nil
|
|
}
|
|
|
|
private func waitForSettledData(timeout: TimeInterval) -> [String: String]? {
|
|
let deadline = Date().addingTimeInterval(timeout)
|
|
var last: [String: String]?
|
|
|
|
while Date() < deadline {
|
|
if let data = loadData() {
|
|
last = data
|
|
|
|
if let setupError = data["setupError"], !setupError.isEmpty {
|
|
return data
|
|
}
|
|
|
|
let finalPaneCount = Int(data["finalPaneCount"] ?? "") ?? -1
|
|
let missingSelected = Int(data["missingSelectedTabCount"] ?? "") ?? -1
|
|
let missingMapping = Int(data["missingPanelMappingCount"] ?? "") ?? -1
|
|
let emptyPanels = Int(data["emptyPanelAppearCount"] ?? "") ?? -1
|
|
let selectedTerminalCount = Int(data["selectedTerminalCount"] ?? "") ?? -1
|
|
let selectedTerminalAttached = Int(data["selectedTerminalAttachedCount"] ?? "") ?? -1
|
|
let selectedTerminalZeroSize = Int(data["selectedTerminalZeroSizeCount"] ?? "") ?? -1
|
|
let selectedTerminalSurfaceNil = Int(data["selectedTerminalSurfaceNilCount"] ?? "") ?? -1
|
|
|
|
let settled =
|
|
finalPaneCount == 2 &&
|
|
missingSelected == 0 &&
|
|
missingMapping == 0 &&
|
|
emptyPanels == 0 &&
|
|
selectedTerminalCount == 2 &&
|
|
selectedTerminalAttached == 2 &&
|
|
selectedTerminalZeroSize == 0 &&
|
|
selectedTerminalSurfaceNil == 0
|
|
|
|
if settled {
|
|
return data
|
|
}
|
|
|
|
// `recordSplitCloseRightFinalState` streams attempts; give it time to converge.
|
|
// If the bug is present it will never converge to "settled".
|
|
let attempt = Int(data["finalAttempt"] ?? "") ?? -1
|
|
if attempt >= 20 {
|
|
return data
|
|
}
|
|
}
|
|
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.05))
|
|
}
|
|
|
|
return last
|
|
}
|
|
|
|
private func loadData() -> [String: String]? {
|
|
guard let raw = try? Data(contentsOf: URL(fileURLWithPath: dataPath)) else {
|
|
return nil
|
|
}
|
|
return (try? JSONSerialization.jsonObject(with: raw)) as? [String: String]
|
|
}
|
|
|
|
private func loadDiagnostics() -> [String: String]? {
|
|
guard let raw = try? Data(contentsOf: URL(fileURLWithPath: diagnosticsPath)) else {
|
|
return nil
|
|
}
|
|
return (try? JSONSerialization.jsonObject(with: raw)) as? [String: String]
|
|
}
|
|
|
|
// MARK: - Automation Socket Client (UI Tests)
|
|
|
|
private func waitForSocketPong(timeout: TimeInterval) -> Bool {
|
|
let deadline = Date().addingTimeInterval(timeout)
|
|
while Date() < deadline {
|
|
if socketCommand("ping") == "PONG" {
|
|
return true
|
|
}
|
|
RunLoop.current.run(until: Date().addingTimeInterval(0.05))
|
|
}
|
|
return socketCommand("ping") == "PONG"
|
|
}
|
|
|
|
private func socketCommand(_ cmd: String) -> String? {
|
|
if socketClient == nil {
|
|
socketClient = ControlSocketClient(path: socketPath)
|
|
}
|
|
if let v = socketClient?.sendLine(cmd) {
|
|
return v
|
|
}
|
|
// Fallback: use `nc -U` (more tolerant of Darwin sockaddr_un quirks across OS versions).
|
|
return socketCommandViaNetcat(cmd)
|
|
}
|
|
|
|
private func socketCommandViaNetcat(_ cmd: String) -> String? {
|
|
let nc = "/usr/bin/nc"
|
|
guard FileManager.default.isExecutableFile(atPath: nc) else { return nil }
|
|
|
|
let proc = Process()
|
|
proc.executableURL = URL(fileURLWithPath: nc)
|
|
proc.arguments = ["-U", socketPath, "-w", "2"]
|
|
|
|
let inPipe = Pipe()
|
|
let outPipe = Pipe()
|
|
let errPipe = Pipe()
|
|
proc.standardInput = inPipe
|
|
proc.standardOutput = outPipe
|
|
proc.standardError = errPipe
|
|
|
|
do {
|
|
try proc.run()
|
|
} catch {
|
|
return nil
|
|
}
|
|
|
|
if let data = (cmd + "\n").data(using: .utf8) {
|
|
inPipe.fileHandleForWriting.write(data)
|
|
}
|
|
inPipe.fileHandleForWriting.closeFile()
|
|
|
|
proc.waitUntilExit()
|
|
|
|
let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
|
|
guard let outStr = String(data: outData, encoding: .utf8) else { return nil }
|
|
if let first = outStr.split(separator: "\n", maxSplits: 1).first {
|
|
return String(first).trimmingCharacters(in: .whitespacesAndNewlines)
|
|
}
|
|
let trimmed = outStr.trimmingCharacters(in: .whitespacesAndNewlines)
|
|
return trimmed.isEmpty ? nil : trimmed
|
|
}
|
|
|
|
private final class ControlSocketClient {
|
|
private let path: String
|
|
|
|
init(path: String) {
|
|
self.path = path
|
|
}
|
|
|
|
func sendLine(_ line: String) -> String? {
|
|
let fd = socket(AF_UNIX, SOCK_STREAM, 0)
|
|
guard fd >= 0 else { return nil }
|
|
defer { close(fd) }
|
|
|
|
var addr = sockaddr_un()
|
|
// Zero-init is important because we compute a variable sockaddr length and
|
|
// the kernel may validate `sun_len` on some macOS versions.
|
|
memset(&addr, 0, MemoryLayout<sockaddr_un>.size)
|
|
addr.sun_family = sa_family_t(AF_UNIX)
|
|
|
|
let maxLen = MemoryLayout.size(ofValue: addr.sun_path)
|
|
let bytes = Array(path.utf8CString) // includes null terminator
|
|
guard bytes.count <= maxLen else { return nil }
|
|
withUnsafeMutablePointer(to: &addr.sun_path) { p in
|
|
let raw = UnsafeMutableRawPointer(p).assumingMemoryBound(to: CChar.self)
|
|
memset(raw, 0, maxLen)
|
|
for i in 0..<bytes.count {
|
|
raw[i] = bytes[i]
|
|
}
|
|
}
|
|
|
|
// Darwin expects a sockaddr length that includes only the fields up to the pathname.
|
|
let pathOffset = MemoryLayout<sockaddr_un>.offset(of: \.sun_path) ?? 0
|
|
let addrLen = socklen_t(pathOffset + bytes.count)
|
|
#if os(macOS)
|
|
// `sun_len` exists on Darwin/BSD.
|
|
addr.sun_len = UInt8(min(Int(addrLen), 255))
|
|
#endif
|
|
|
|
let ok = withUnsafePointer(to: &addr) { ptr in
|
|
ptr.withMemoryRebound(to: sockaddr.self, capacity: 1) { sa in
|
|
connect(fd, sa, addrLen)
|
|
}
|
|
}
|
|
guard ok == 0 else { return nil }
|
|
|
|
let payload = line + "\n"
|
|
let wrote: Bool = payload.withCString { cstr in
|
|
var remaining = strlen(cstr)
|
|
var p = UnsafeRawPointer(cstr)
|
|
while remaining > 0 {
|
|
let n = write(fd, p, remaining)
|
|
if n <= 0 { return false }
|
|
remaining -= n
|
|
p = p.advanced(by: n)
|
|
}
|
|
return true
|
|
}
|
|
guard wrote else { return nil }
|
|
|
|
var buf = [UInt8](repeating: 0, count: 4096)
|
|
var accum = ""
|
|
while true {
|
|
let n = read(fd, &buf, buf.count)
|
|
if n <= 0 { break }
|
|
if let chunk = String(bytes: buf[0..<n], encoding: .utf8) {
|
|
accum.append(chunk)
|
|
if let idx = accum.firstIndex(of: "\n") {
|
|
return String(accum[..<idx])
|
|
}
|
|
}
|
|
}
|
|
return accum.isEmpty ? nil : accum.trimmingCharacters(in: .whitespacesAndNewlines)
|
|
}
|
|
}
|
|
}
|