Merge "Add version 2 of AppDataUsagePreferenceController."

tests/robotests/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceControllerV2Test.java

@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2018 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.applications.appinfo;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.net.ConnectivityManager;
+import android.net.INetworkStatsSession;
+import android.os.Bundle;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.datausage.AppDataUsage;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.util.ReflectionHelpers;
+
+import androidx.loader.app.LoaderManager;
+import androidx.preference.Preference;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class AppDataUsagePreferenceControllerV2Test {
+
+    @Mock
+    private LoaderManager mLoaderManager;
+    @Mock
+    private AppInfoDashboardFragment mFragment;
+
+    private Context mContext;
+    private AppDataUsagePreferenceControllerV2 mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application.getApplicationContext());
+        mController = spy(new AppDataUsagePreferenceControllerV2(mContext, "test_key"));
+        mController.setParentFragment(mFragment);
+    }
+
+    @Test
+    public void getAvailabilityStatus_bandwidthControlEnabled_shouldReturnAvailable() {
+        doReturn(true).when(mController).isBandwidthControlEnabled();
+
+        assertThat(mController.getAvailabilityStatus())
+            .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_bandwidthControlDisabled_shouldReturnDisabled() {
+        doReturn(false).when(mController).isBandwidthControlEnabled();
+
+        assertThat(mController.getAvailabilityStatus())
+            .isEqualTo(BasePreferenceController.CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void onResume_noSession_shouldNotRestartDataLoader() {
+        doReturn(mLoaderManager).when(mFragment).getLoaderManager();
+
+        mController.onResume();
+
+        verify(mLoaderManager, never()).restartLoader(
+                AppInfoDashboardFragment.LOADER_CHART_DATA, Bundle.EMPTY, mController);
+    }
+
+    @Test
+    public void onResume_hasSession_shouldRestartDataLoader() {
+        final ConnectivityManager connectivityManager = mock(ConnectivityManager.class);
+        when(mContext.getSystemService(Context.CONNECTIVITY_SERVICE))
+                .thenReturn(connectivityManager);
+        when(connectivityManager.isNetworkSupported(anyInt())).thenReturn(true);
+        doReturn(mLoaderManager).when(mFragment).getLoaderManager();
+        ReflectionHelpers.setField(mController, "mStatsSession", mock(INetworkStatsSession.class));
+        final AppEntry appEntry = mock(AppEntry.class);
+        appEntry.info = new ApplicationInfo();
+        when(mFragment.getAppEntry()).thenReturn(appEntry);
+
+        mController.onResume();
+
+        verify(mLoaderManager).restartLoader(
+                eq(AppInfoDashboardFragment.LOADER_CHART_DATA), any(Bundle.class), eq(mController));
+    }
+
+    @Test
+    public void onPause_shouldDestroyDataLoader() {
+        doReturn(mLoaderManager).when(mFragment).getLoaderManager();
+
+        mController.onPause();
+
+        verify(mLoaderManager).destroyLoader(AppInfoDashboardFragment.LOADER_CHART_DATA);
+    }
+
+    @Test
+    public void getDetailFragmentClass_shouldReturnAppDataUsage() {
+        assertThat(mController.getDetailFragmentClass()).isEqualTo(AppDataUsage.class);
+    }
+
+    @Test
+    public void updateState_shouldUpdatePreferenceSummary() {
+        final Preference preference = mock(Preference.class);
+
+        mController.updateState(preference);
+
+        verify(preference).setSummary(any());
+    }
+}