1 files changed, 93 insertions, 0 deletions
diff --git a/tests/src/com/android/launcher3/ui/widget/TaplWidgetPickerTest.java b/tests/src/com/android/launcher3/ui/widget/TaplWidgetPickerTest.java
new file mode 100644
index 0000000000..bc736831b6
--- /dev/null
+++ b/tests/src/com/android/launcher3/ui/widget/TaplWidgetPickerTest.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2023 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.launcher3.ui.widget;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.MediumTest;
+
+import com.android.launcher3.Launcher;
+import com.android.launcher3.tapl.Widgets;
+import com.android.launcher3.ui.AbstractLauncherUiTest;
+import com.android.launcher3.ui.PortraitLandscapeRunner.PortraitLandscape;
+import com.android.launcher3.util.rule.ScreenRecordRule.ScreenRecord;
+import com.android.launcher3.widget.picker.WidgetsFullSheet;
+import com.android.launcher3.widget.picker.WidgetsRecyclerView;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * This test run in both Out of process (Oop) and in-process (Ipc).
+ * Make sure the basic interactions with the WidgetPicker works.
+ */
+@MediumTest
+@RunWith(AndroidJUnit4.class)
+public class TaplWidgetPickerTest extends AbstractLauncherUiTest {
+
+    @Before
+    public void setUp() throws Exception {
+        super.setUp();
+        initialize(this);
+    }
+
+    private WidgetsRecyclerView getWidgetsView(Launcher launcher) {
+        return WidgetsFullSheet.getWidgetsView(launcher);
+    }
+
+    private int getWidgetsScroll(Launcher launcher) {
+        return getWidgetsView(launcher).computeVerticalScrollOffset();
+    }
+
+    /**
+     * Open Widget picker, make sure the widget picker can scroll and then go to home screen.
+     */
+    @Test
+    @ScreenRecord
+    @PortraitLandscape
+    public void testWidgets() {
+        mLauncher.goHome();
+        // Test opening widgets.
+        executeOnLauncher(launcher ->
+                assertTrue("Widgets is initially opened", getWidgetsView(launcher) == null));
+        Widgets widgets = mLauncher.getWorkspace().openAllWidgets();
+        assertNotNull("openAllWidgets() returned null", widgets);
+        widgets = mLauncher.getAllWidgets();
+        assertNotNull("getAllWidgets() returned null", widgets);
+        executeOnLauncher(launcher ->
+                assertTrue("Widgets is not shown", getWidgetsView(launcher).isShown()));
+        executeOnLauncher(launcher -> assertEquals("Widgets is scrolled upon opening",
+                0, getWidgetsScroll(launcher)));
+
+        // Test flinging widgets.
+        widgets.flingForward();
+        Integer flingForwardY = getFromLauncher(launcher -> getWidgetsScroll(launcher));
+        executeOnLauncher(launcher -> assertTrue("Flinging forward didn't scroll widgets",
+                flingForwardY > 0));
+
+        widgets.flingBackward();
+        executeOnLauncher(launcher -> assertTrue("Flinging backward didn't scroll widgets",
+                getWidgetsScroll(launcher) < flingForwardY));
+
+        mLauncher.goHome();
+        waitForLauncherCondition("Widgets were not closed",
+                launcher -> getWidgetsView(launcher) == null);
+    }
+}