Get intent for backup settings from backup transport.

This changes BackupSettingsActivity to launch backup settings
from intent provided by BackupTransport#dataManagementIntent() API
instead of the config.xml.

Test: make RunSettingsRoboTests -j40
Change-Id: I0847999459a914e585a626761f3051f1d7a0b591

tests/robotests/src/com/android/settings/BackupSettingsHelperTest.java

@@ -0,0 +1,188 @@
+/*
+ * 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;
+
+import android.app.backup.BackupManager;
+import android.app.backup.IBackupManager;
+import android.content.ComponentName;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.IBinder;
+import android.os.RemoteException;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.anyInt;
+import static org.mockito.Mockito.anyString;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+
+
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
+        shadows = {BackupSettingsHelperTest.ShadowBackupManagerStub.class})
+public class BackupSettingsHelperTest {
+
+    private BackupSettingsHelper mBackupSettingsHelper;
+
+    @Mock
+    private static IBackupManager mBackupManager;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        when(mBackupManager.getCurrentTransport()).thenReturn("test_transport");
+        mBackupSettingsHelper = new BackupSettingsHelper();
+    }
+
+    @Test
+    public void testGetIntentFromBackupTransport() throws Exception {
+        Intent intent = new Intent();
+
+        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
+
+        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
+
+        verify(mBackupManager).getDataManagementIntent(anyString());
+    }
+
+    @Test
+    public void testGetIntentFromBackupTransport_WithIntent() throws Exception {
+        Intent intent = mock(Intent.class);
+
+        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
+
+        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
+
+        assertThat(backupIntent).isEqualTo(intent);
+    }
+
+    @Test
+    public void testGetIntentFromBackupTransport_WithNullIntent() throws Exception {
+        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(null);
+
+        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
+
+        assertThat(backupIntent).isNull();
+    }
+
+    @Test
+    public void testGetIntentFromBackupTransport_RemoteException() throws Exception {
+        when(mBackupManager.getDataManagementIntent(anyString())).thenThrow(new RemoteException());
+
+        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
+
+        assertThat(backupIntent).isNull();
+    }
+
+    @Test
+    public void testGetIntentFromBackupTransport_BackupEnabled() throws Exception {
+        Intent intent = new Intent("test_intent");
+
+        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
+        when(mBackupManager.isBackupServiceActive(anyInt())).thenReturn(true);
+
+        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
+
+        assertThat(backupIntent.getExtras().get(BackupManager.EXTRA_BACKUP_SERVICES_AVAILABLE))
+                .isEqualTo(true);
+    }
+
+    @Test
+    public void testGetIntentFromBackupTransport_BackupDisabled() throws Exception {
+        Intent intent = new Intent("test_intent");
+
+        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
+        when(mBackupManager.isBackupServiceActive(anyInt())).thenReturn(false);
+
+        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
+
+        assertThat(backupIntent.getExtras().get(BackupManager.EXTRA_BACKUP_SERVICES_AVAILABLE))
+                .isEqualTo(false);
+    }
+
+    @Test
+    public void testGetIntentFromBackupTransport_BackupStatusException() throws Exception {
+        Intent intent = new Intent("test_intent");
+
+        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
+        when(mBackupManager.isBackupServiceActive(anyInt())).thenThrow(new RemoteException());
+
+        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
+
+        assertThat(backupIntent.getExtras().get(BackupManager.EXTRA_BACKUP_SERVICES_AVAILABLE))
+                .isEqualTo(false);
+    }
+
+    @Test
+    public void testIsIntentProvidedByTransport_WithNullIntent() throws Exception {
+        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(null);
+
+        PackageManager packageManager = mock(PackageManager.class);
+
+        boolean isIntentProvided = mBackupSettingsHelper.isIntentProvidedByTransport(packageManager);
+
+        assertThat(isIntentProvided).isFalse();
+    }
+
+    @Test
+    public void testIsIntentProvidedByTransport_WithInvalidIntent() throws Exception {
+        Intent intent = mock(Intent.class);
+
+        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
+
+        PackageManager packageManager = mock(PackageManager.class);
+        when(intent.resolveActivity(packageManager)).thenReturn(null);
+
+        boolean isIntentProvided = mBackupSettingsHelper.isIntentProvidedByTransport(packageManager);
+
+        assertThat(isIntentProvided).isFalse();
+    }
+
+    @Test
+    public void testIsIntentProvidedByTransport_WithIntent() throws Exception {
+        Intent intent = mock(Intent.class);
+
+        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
+
+        PackageManager packageManager = mock(PackageManager.class);
+        when(intent.resolveActivity(packageManager)).thenReturn(mock(ComponentName.class));
+
+        boolean isIntentProvided = mBackupSettingsHelper.isIntentProvidedByTransport(packageManager);
+
+        assertThat(isIntentProvided).isTrue();
+    }
+
+    @Implements(IBackupManager.Stub.class)
+    public static class ShadowBackupManagerStub {
+        @Implementation
+        public static IBackupManager asInterface(IBinder iBinder) {
+            return mBackupManager;
+        }
+    }
+}