Add a functional test for minimizing a window

Flag: com.android.window.flags.enable_minimize_button
Bug: 373973157
Test: atest PlatformScenarioTests:com.android.wm.shell.functional.MinimizeAppWindowTest
Change-Id: I55b8681b4ce307f7669521085ecdca1fb711acd7

3 files changed, 128 insertions, 0 deletions

diff --git a/libs/WindowManager/Shell/tests/e2e/desktopmode/scenarios/src/com/android/wm/shell/functional/MinimizeAppWindowsTest.kt b/libs/WindowManager/Shell/tests/e2e/desktopmode/scenarios/src/com/android/wm/shell/functional/MinimizeAppWindowsTest.kt
new file mode 100644
index 000000000000..e16159c0613a
--- /dev/null
+++ b/libs/WindowManager/Shell/tests/e2e/desktopmode/scenarios/src/com/android/wm/shell/functional/MinimizeAppWindowsTest.kt
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.wm.shell.functional
+
+import android.platform.test.annotations.Postsubmit
+import com.android.wm.shell.scenarios.MinimizeAppWindows
+import org.junit.runner.RunWith
+import org.junit.runners.BlockJUnit4ClassRunner
+
+/* Functional test for [MinimizeAppWindows]. */
+@RunWith(BlockJUnit4ClassRunner::class)
+@Postsubmit
+class MinimizeAppWindowsTest : MinimizeAppWindows()
diff --git a/libs/WindowManager/Shell/tests/e2e/desktopmode/scenarios/src/com/android/wm/shell/scenarios/MinimizeAppWindows.kt b/libs/WindowManager/Shell/tests/e2e/desktopmode/scenarios/src/com/android/wm/shell/scenarios/MinimizeAppWindows.kt
new file mode 100644
index 000000000000..b5483634b057
--- /dev/null
+++ b/libs/WindowManager/Shell/tests/e2e/desktopmode/scenarios/src/com/android/wm/shell/scenarios/MinimizeAppWindows.kt
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.wm.shell.scenarios
+
+import android.app.Instrumentation
+import android.tools.NavBar
+import android.tools.Rotation
+import android.tools.flicker.rules.ChangeDisplayOrientationRule
+import android.tools.traces.parsers.WindowManagerStateHelper
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.UiDevice
+import com.android.launcher3.tapl.LauncherInstrumentation
+import com.android.server.wm.flicker.helpers.DesktopModeAppHelper
+import com.android.server.wm.flicker.helpers.NewTasksAppHelper
+import com.android.server.wm.flicker.helpers.NonResizeableAppHelper
+import com.android.server.wm.flicker.helpers.SimpleAppHelper
+import com.android.window.flags.Flags
+import com.android.wm.shell.Utils
+import org.junit.After
+import org.junit.Assume
+import org.junit.Before
+import org.junit.Ignore
+import org.junit.Rule
+import org.junit.Test
+
+/**
+ * Base scenario test for minimizing all the desktop app windows one-by-one by clicking their
+ * minimize buttons.
+ */
+@Ignore("Test Base Class")
+abstract class MinimizeAppWindows
+constructor(private val rotation: Rotation = Rotation.ROTATION_0) {
+    private val instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
+    private val tapl = LauncherInstrumentation()
+    private val wmHelper = WindowManagerStateHelper(instrumentation)
+    private val device = UiDevice.getInstance(instrumentation)
+    private val testApp1 = DesktopModeAppHelper(SimpleAppHelper(instrumentation))
+    private val testApp2 = DesktopModeAppHelper(NonResizeableAppHelper(instrumentation))
+    private val testApp3 = DesktopModeAppHelper(NewTasksAppHelper(instrumentation))
+
+    @Rule @JvmField val testSetupRule = Utils.testSetupRule(NavBar.MODE_GESTURAL, Rotation.ROTATION_0)
+
+    @Before
+    fun setup() {
+        Assume.assumeTrue(Flags.enableDesktopWindowingMode() && tapl.isTablet)
+        Assume.assumeTrue(Flags.enableMinimizeButton())
+        tapl.setEnableRotation(true)
+        tapl.setExpectedRotation(rotation.value)
+        ChangeDisplayOrientationRule.setRotation(rotation)
+        testApp1.enterDesktopWithDrag(wmHelper, device)
+        testApp2.launchViaIntent(wmHelper)
+        testApp3.launchViaIntent(wmHelper)
+    }
+
+    @Test
+    open fun minimizeAllAppWindows() {
+        testApp3.minimizeDesktopApp(wmHelper, device)
+        testApp2.minimizeDesktopApp(wmHelper, device)
+        testApp1.minimizeDesktopApp(wmHelper, device)
+    }
+
+    @After
+    fun teardown() {
+        testApp1.exit(wmHelper)
+        testApp2.exit(wmHelper)
+        testApp3.exit(wmHelper)
+    }
+}
diff --git a/tests/FlickerTests/test-apps/app-helpers/src/com/android/server/wm/flicker/helpers/DesktopModeAppHelper.kt b/tests/FlickerTests/test-apps/app-helpers/src/com/android/server/wm/flicker/helpers/DesktopModeAppHelper.kt
index 1c6bd1114c1c..332b9b832037 100644
--- a/tests/FlickerTests/test-apps/app-helpers/src/com/android/server/wm/flicker/helpers/DesktopModeAppHelper.kt
+++ b/tests/FlickerTests/test-apps/app-helpers/src/com/android/server/wm/flicker/helpers/DesktopModeAppHelper.kt
@@ -132,6 +132,24 @@ open class DesktopModeAppHelper(private val innerHelper: IStandardAppHelper) :
         wmHelper.StateSyncBuilder().withAppTransitionIdle().waitForAndVerify()
     }
 
+    private fun getMinimizeButtonForTheApp(caption: UiObject2?): UiObject2 {
+        return caption
+            ?.children
+            ?.find { it.resourceName.endsWith(MINIMIZE_BUTTON_VIEW) }
+            ?: error("Unable to find resource $MINIMIZE_BUTTON_VIEW\n")
+    }
+
+    fun minimizeDesktopApp(wmHelper: WindowManagerStateHelper, device: UiDevice) {
+        val caption = getCaptionForTheApp(wmHelper, device)
+        val minimizeButton = getMinimizeButtonForTheApp(caption)
+        minimizeButton.click()
+        wmHelper
+            .StateSyncBuilder()
+            .withAppTransitionIdle()
+            .withWindowSurfaceDisappeared(innerHelper)
+            .waitForAndVerify()
+    }
+
     /** Open maximize menu and click snap resize button on the app header for the given app. */
     fun snapResizeDesktopApp(
         wmHelper: WindowManagerStateHelper,
@@ -400,6 +418,7 @@ open class DesktopModeAppHelper(private val innerHelper: IStandardAppHelper) :
         const val DESKTOP_MODE_BUTTON: String = "desktop_button"
         const val SNAP_LEFT_BUTTON: String = "maximize_menu_snap_left_button"
         const val SNAP_RIGHT_BUTTON: String = "maximize_menu_snap_right_button"
+        const val MINIMIZE_BUTTON_VIEW: String = "minimize_window"
         val caption: BySelector
             get() = By.res(SYSTEMUI_PACKAGE, CAPTION)
     }