fix(KAN-71): correct Apple navigation gestures and scroll bounds

native/src-tauri/gen/apple/Tests/WorkspaceTests.swift

@@ -95,41 +95,82 @@ final class WorkspaceTests: XCTestCase {
     }
 
     @MainActor
-    func testBackButtonTracksSameDocumentHistory() async throws {
-        let name = "KAN55-history-\(UUID())"
+    func testGesturesTraverseEverySPAEntryOnceAndPreserveForwardHistory() async throws {
+        let name = "KAN71-history-\(UUID())"
         let defaults = try XCTUnwrap(UserDefaults(suiteName: name))
         defer { defaults.removePersistentDomain(forName: name) }
         let controller = WorkspaceViewController(defaults: defaults)
         controller.loadViewIfNeeded()
-        let url = try XCTUnwrap(WorkspaceServer.normalize("https://example.invalid/"))
-        controller.open(url)
+        controller.view.frame = CGRect(x: 0, y: 0, width: 390, height: 844)
+        let url = URL(string: "https://example.invalid/dashboard")!
+        controller.open(URL(string: "https://example.invalid/")!)
         let webview = try XCTUnwrap(controller.workspace)
         webview.stopLoading()
-        webview.loadSimulatedRequest(URLRequest(url: url), responseHTML: "<html><body><input id='draft' value='unsaved'></body></html>")
-        var loaded = false
+        webview.frame = controller.view.bounds
+        webview.loadSimulatedRequest(URLRequest(url: url), responseHTML: """
+            <html><head><meta name="viewport" content="width=device-width,initial-scale=1"></head>
+            <body style="margin:0"><p>Workspace</p><input id="draft" value="unsaved"></body></html>
+            """)
+        try await waitFor(webview, "document.querySelector('#draft')?.value === 'unsaved'")
+        XCTAssertFalse(webview.canGoBack)
+        controller.navigateHistory(-1, from: CGPoint(x: 1, y: 1))
+        try await waitFor(webview, "location.pathname === '/dashboard'")
+        for index in 1...3 {
+            _ = try await webview.evaluateJavaScript("history.pushState({page: {url: '/page\(index)'}}, '', '/page\(index)')")
+        }
+        _ = try await webview.evaluateJavaScript("window.steps = 0; addEventListener('popstate', () => window.steps++)")
+        let edge = TestEdgeGesture()
+        edge.edges = .left
+        edge.testVelocity = CGPoint(x: 800, y: 0)
+        XCTAssertTrue(controller.gestureRecognizer(edge, shouldReceive: TestTouch()))
+        var allowed = false
         for _ in 0..<50 {
-            if let value = try? await webview.evaluateJavaScript("document.getElementById('draft')?.value"),
-               value as? String == "unsaved" { loaded = true; break }
-            try await Task.sleep(for: .milliseconds(100))
+            if controller.gestureRecognizerShouldBegin(edge) { allowed = true; break }
+            try await Task.sleep(for: .milliseconds(20))
         }
-        XCTAssertTrue(loaded)
-        _ = try await webview.evaluateJavaScript("history.pushState({}, '', '#ticket')")
-        let toolbar = try XCTUnwrap(controller.view.subviews.compactMap { $0 as? UIToolbar }.first)
-        for _ in 0..<20 {
-            if toolbar.items?.first?.isEnabled == true { break }
-            try await Task.sleep(for: .milliseconds(50))
-        }
-        XCTAssertTrue(webview.canGoBack)
-        XCTAssertTrue(toolbar.items?.first?.isEnabled == true)
-        webview.goBack()
-        var returned = false
-        for _ in 0..<20 {
-            if let hash = try? await webview.evaluateJavaScript("location.hash"), hash as? String == "" { returned = true; break }
-            try await Task.sleep(for: .milliseconds(50))
-        }
-        XCTAssertTrue(returned)
-        let draft = try await webview.evaluateJavaScript("document.getElementById('draft').value")
+        XCTAssertTrue(allowed)
+        edge.testState = .cancelled
+        edge.testTranslation = CGPoint(x: 200, y: 0)
+        controller.perform(NSSelectorFromString("navigateGesture:"), with: edge)
+        try await Task.sleep(for: .milliseconds(100))
+        try await waitFor(webview, "location.pathname === '/page3' && window.steps === 0")
+        edge.testState = .ended
+        edge.testTranslation = CGPoint(x: 10, y: 0)
+        controller.perform(NSSelectorFromString("navigateGesture:"), with: edge)
+        try await Task.sleep(for: .milliseconds(100))
+        try await waitFor(webview, "location.pathname === '/page3' && window.steps === 0")
+        edge.testTranslation = CGPoint(x: 200, y: 0)
+        controller.perform(NSSelectorFromString("navigateGesture:"), with: edge)
+        try await waitFor(webview, "location.pathname === '/page2' && window.steps === 1")
+        controller.navigateHistory(-1, from: CGPoint(x: 1, y: 1))
+        try await waitFor(webview, "location.pathname === '/page1' && window.steps === 2")
+        controller.navigateHistory(1, from: CGPoint(x: 1, y: 1))
+        try await waitFor(webview, "location.pathname === '/page2' && window.steps === 3")
+        let draft = try await webview.evaluateJavaScript("document.querySelector('#draft').value")
         XCTAssertEqual(draft as? String, "unsaved")
+        XCTAssertFalse(webview.scrollView.bounces)
+        XCTAssertFalse(webview.allowsBackForwardNavigationGestures)
+        XCTAssertEqual(webview.gestureRecognizers?.compactMap { $0 as? UIScreenEdgePanGestureRecognizer }.count, 2)
+        let toolbar = try XCTUnwrap(controller.view.subviews.compactMap { $0 as? UIToolbar }.first)
+        XCTAssertFalse(toolbar.items!.contains { $0.accessibilityIdentifier == "workspaceBack" })
+        XCTAssertTrue(toolbar.items!.contains { $0.accessibilityIdentifier == "showServerSettings" })
+        let scroll = try await webview.evaluateJavaScript("getComputedStyle(document.documentElement).overscrollBehaviorY")
+        XCTAssertEqual(scroll as? String, "none")
+        let horizontal = try await webview.evaluateJavaScript("getComputedStyle(document.documentElement).overscrollBehaviorX")
+        XCTAssertEqual(horizontal as? String, "auto")
+        _ = try await webview.evaluateJavaScript("document.body.insertAdjacentHTML('beforeend', '<div role=dialog style=\"position:fixed;inset:0\">Dialog</div>')")
+        controller.navigateHistory(-1, from: CGPoint(x: 1, y: 1))
+        try await Task.sleep(for: .milliseconds(200))
+        try await waitFor(webview, "location.pathname === '/page2' && window.steps === 3")
+    }
+
+    @MainActor
+    private func waitFor(_ webview: WKWebView, _ expression: String) async throws {
+        for _ in 0..<100 {
+            if let result = try? await webview.evaluateJavaScript(expression), result as? Bool == true { return }
+            try await Task.sleep(for: .milliseconds(50))
+        }
+        XCTFail("WebView condition timed out: \(expression)")
     }
 
     func testServerChangesNeverReusePreviousProfile() throws {
@@ -189,7 +230,7 @@ final class WorkspaceTests: XCTestCase {
         controller.open(url)
         let server = try XCTUnwrap(controller.server)
         XCTAssertEqual(controller.workspace?.configuration.websiteDataStore.identifier, server.profile)
-        XCTAssertTrue(controller.workspace?.configuration.userContentController.userScripts.isEmpty == true)
+        XCTAssertEqual(controller.workspace?.configuration.userContentController.userScripts.count, 1)
         let restored = WorkspaceViewController(defaults: defaults)
         restored.loadViewIfNeeded()
         XCTAssertEqual(restored.server, server)
@@ -231,3 +272,19 @@ final class WorkspaceTests: XCTestCase {
     }
 
 }
+
+private final class TestTouch: UITouch {
+    override func location(in view: UIView?) -> CGPoint { CGPoint(x: 1, y: 1) }
+}
+
+private final class TestEdgeGesture: UIScreenEdgePanGestureRecognizer {
+    var testState: UIGestureRecognizer.State = .possible
+    var testVelocity = CGPoint.zero
+    var testTranslation = CGPoint.zero
+    override var state: UIGestureRecognizer.State {
+        get { testState }
+        set { testState = newValue }
+    }
+    override func velocity(in view: UIView?) -> CGPoint { testVelocity }
+    override func translation(in view: UIView?) -> CGPoint { testTranslation }
+}