From 53dcd205c6636c92a626354da6efa7634bd0ea94 Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Fri, 30 Jul 2021 20:29:01 +0200
Subject: [PATCH] inputmethod: Add a test that simulates client switching

---
 autotests/integration/inputmethod_test.cpp | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/autotests/integration/inputmethod_test.cpp b/autotests/integration/inputmethod_test.cpp
index 5818d8ea3f..30aafe9b2b 100644
--- a/autotests/integration/inputmethod_test.cpp
+++ b/autotests/integration/inputmethod_test.cpp
@@ -55,6 +55,7 @@ private Q_SLOTS:
     void testEnableDisableV3();
     void testEnableActive();
     void testHidePanel();
+    void testSwitchFocusedSurfaces();
 };
 
 
@@ -276,6 +277,57 @@ void InputMethodTest::testHidePanel()
 
 }
 
+void InputMethodTest::testSwitchFocusedSurfaces()
+{
+    QVERIFY(!InputMethod::self()->isActive());
+
+    QSignalSpy clientAddedSpy(workspace(), &Workspace::clientAdded);
+    QSignalSpy clientRemovedSpy(workspace(), &Workspace::clientRemoved);
+    QVERIFY(clientAddedSpy.isValid());
+
+    QSignalSpy activateSpy(InputMethod::self(), &InputMethod::activeChanged);
+    QScopedPointer<TextInput> textInput(Test::waylandTextInputManager()->createTextInput(Test::waylandSeat()));
+    textInput->showInputPanel();
+    QVERIFY(clientAddedSpy.wait(10000));
+
+    QVector<AbstractClient *> clients;
+    QVector<Surface *> surfaces;
+    QVector<Test::XdgToplevel *> toplevels;
+    // We create 3 surfaces
+    for (int i = 0; i < 3; ++i) {
+        auto surface = Test::createSurface();
+        auto shellSurface = Test::createXdgToplevelSurface(surface);
+        clients += Test::renderAndWaitForShown(surface, QSize(1280, 1024), Qt::red);
+        QCOMPARE(workspace()->activeClient(), clients.constLast());
+        surfaces += surface;
+        toplevels += shellSurface;
+    }
+    waylandServer()->seat()->setFocusedTextInputSurface(clients.constFirst()->surface());
+
+    QCOMPARE(clientAddedSpy.count(), 4);
+    QVERIFY(activateSpy.count() || activateSpy.wait());
+    QVERIFY(!InputMethod::self()->isActive());
+    textInput->enable(surfaces.last());
+    QVERIFY(!InputMethod::self()->isActive());
+    waylandServer()->seat()->setFocusedTextInputSurface(clients.first()->surface());
+    QVERIFY(!InputMethod::self()->isActive());
+    activateSpy.clear();
+    waylandServer()->seat()->setFocusedTextInputSurface(clients.last()->surface());
+    QVERIFY(activateSpy.count() || activateSpy.wait());
+    QVERIFY(InputMethod::self()->isActive());
+
+    activateSpy.clear();
+    waylandServer()->seat()->setFocusedTextInputSurface(clients.first()->surface());
+    QVERIFY(activateSpy.count() || activateSpy.wait());
+    QVERIFY(!InputMethod::self()->isActive());
+
+    // Destroy the test client.
+    for (int i = 0; i < clients.count(); ++i) {
+        delete toplevels[i];
+        QVERIFY(Test::waitForWindowDestroyed(clients[i]));
+    }
+}
+
 WAYLANDTEST_MAIN(InputMethodTest)
 
 #include "inputmethod_test.moc"