Merge "Fix rotate device at face unlock detailed page, device will display redundant face unlock header." into udc-dev

tests/robotests/src/com/android/settings/biometrics/face/FaceSettingsActivityTest.java

@@ -0,0 +1,70 @@
+/*
+ * 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.settings.biometrics.face;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+
+import android.content.res.Resources;
+import android.os.Bundle;
+
+import com.android.settings.Settings;
+import com.android.settings.testutils.FakeFeatureFactory;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.android.controller.ActivityController;
+
+@RunWith(RobolectricTestRunner.class)
+public class FaceSettingsActivityTest {
+
+    private static final String APPLIED_SETUP_WIZARD_THEME = "SettingsPreferenceTheme.SetupWizard";
+
+    private Settings.FaceSettingsActivity mActivity;
+    private Resources.Theme mTheme;
+
+    @Before
+    public void setUp() {
+        FakeFeatureFactory.setupForTest();
+        mActivity = spy(Settings.FaceSettingsActivity.class);
+    }
+
+    @Test
+    public void verifyFaceSettingsActivity_shouldAppliedSetupWizardTheme() {
+        createActivity();
+
+        assertThat(isThemeApplied(APPLIED_SETUP_WIZARD_THEME)).isTrue();
+    }
+
+    private boolean isThemeApplied(String themeName) {
+        final String [] appliedThemes =  mTheme.getTheme();
+        for (String theme : appliedThemes) {
+            if (theme.contains(themeName)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private void createActivity() {
+        ActivityController.of(mActivity).create(new Bundle());
+        mTheme = mActivity.getTheme();
+    }
+}