Merge "Follow O patterns for a11y settings"

tests/unit/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragmentTest.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2017 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.accessibility;
+
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.assertion.ViewAssertions.matches;
+import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+
+import android.app.Instrumentation;
+import android.os.Bundle;
+import android.os.Looper;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.rule.ActivityTestRule;
+import android.support.test.runner.AndroidJUnit4;
+
+import com.android.settings.Settings.AccessibilitySettingsActivity;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class ToggleFeaturePreferenceFragmentTest {
+    private static final String SUMMARY_TEXT = "Here's some summary text";
+
+    @Rule
+    public final ActivityTestRule<AccessibilitySettingsActivity> mActivityRule =
+            new ActivityTestRule<>(AccessibilitySettingsActivity.class, true);
+
+    private final Instrumentation mInstrumentation = InstrumentationRegistry.getInstrumentation();
+
+    @BeforeClass
+    public static void oneTimeSetup() {
+        if (Looper.myLooper() == null) {
+            Looper.prepare();
+        }
+    }
+
+    @Before
+    public void setUp() {
+        mInstrumentation.runOnMainSync(() -> {
+            MyToggleFeaturePreferenceFragment fragment = new MyToggleFeaturePreferenceFragment();
+            Bundle args = new Bundle();
+            args.putString(AccessibilitySettings.EXTRA_SUMMARY, SUMMARY_TEXT);
+            fragment.setArguments(args);
+            mActivityRule.getActivity().startPreferenceFragment(fragment, false);
+        });
+    }
+
+    @Test
+    public void testSummaryTestDisplayed() {
+        onView(withText(SUMMARY_TEXT)).check(matches(isDisplayed()));
+    }
+
+    public static class MyToggleFeaturePreferenceFragment extends ToggleFeaturePreferenceFragment {
+        @Override
+        protected void onPreferenceToggled(String preferenceKey, boolean enabled) {}
+
+        @Override
+        public int getMetricsCategory() {
+            return 0;
+        }
+    }
+}