Merge "Add bluetooth visible item"

tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceControllerTest.java

@@ -0,0 +1,139 @@
+/*
+ * 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.bluetooth;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.Fragment;
+import android.app.FragmentManager;
+import android.app.FragmentTransaction;
+import android.content.Context;
+import android.os.StrictMode;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+import android.text.SpannableStringBuilder;
+import android.text.style.ForegroundColorSpan;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class BluetoothDeviceNamePreferenceControllerTest {
+    private static final String DEVICE_NAME = "Nightshade";
+    private static final int ORDER = 1;
+
+    private Context mContext;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Fragment mFragment;
+    @Mock
+    private Lifecycle mLifecycle;
+    @Mock
+    private LocalBluetoothAdapter mLocalAdapter;
+    @Mock
+    private FragmentManager mFragmentManager;
+    @Mock
+    private FragmentTransaction mFragmentTransaction;
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+    private Preference mPreference;
+
+    private BluetoothDeviceNamePreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(RuntimeEnvironment.application);
+
+        doReturn(mContext).when(mPreferenceScreen).getContext();
+        mPreference = new Preference(mContext);
+        mPreference.setKey(BluetoothDeviceNamePreferenceController.KEY_DEVICE_NAME);
+        mController = new BluetoothDeviceNamePreferenceController(
+                mContext, mFragment, mLocalAdapter);
+    }
+
+    @Test
+    public void testUpdateDeviceName_showSummaryWithDeviceName() {
+        mController.updateDeviceName(mPreference, DEVICE_NAME);
+
+        final CharSequence summary = mPreference.getSummary();
+        final Object[] spans = ((SpannableStringBuilder) summary).getSpans(0, summary.length(),
+                Object.class);
+        assertThat(summary.toString())
+                .isEqualTo("Visible as Nightshade to other devices");
+
+        // Test summary only has one color span
+        assertThat(spans).asList().hasSize(1);
+        assertThat(spans[0]).isInstanceOf(ForegroundColorSpan.class);
+    }
+
+    @Test
+    public void testCreateBluetoothDeviceNamePreference() {
+        Preference preference = mController.createBluetoothDeviceNamePreference(mPreferenceScreen,
+                ORDER);
+
+        assertThat(preference.getKey()).isEqualTo(mController.KEY_DEVICE_NAME);
+        assertThat(preference.getOrder()).isEqualTo(ORDER);
+        verify(mPreferenceScreen).addPreference(preference);
+    }
+
+    @Test
+    public void testOnStart_receiverRegistered() {
+        mController.onStart();
+        verify(mContext).registerReceiver(eq(mController.mReceiver), any());
+    }
+
+    @Test
+    public void testOnStop_receiverUnregistered() {
+        // register it first
+        mContext.registerReceiver(mController.mReceiver, null);
+
+        mController.onStop();
+        verify(mContext).unregisterReceiver(mController.mReceiver);
+    }
+
+    @Test
+    public void testHandlePreferenceTreeClick_startDialogFragment() {
+        when(mFragment.getFragmentManager().beginTransaction()).thenReturn(mFragmentTransaction);
+
+        mController.handlePreferenceTreeClick(mPreference);
+
+        verify(mFragmentTransaction).add(any(), anyString());
+        verify(mFragmentTransaction).commit();
+    }
+
+}