Add a "data during calls" preference

am: aeb1da0db9

Change-Id: I1b66985de2cc045953a52d647a3568e7a8d03f10

tests/robotests/src/com/android/settings/network/DataDuringCallsPreferenceControllerTest.java

@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2019 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.network;
+
+import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.telephony.TelephonyManager;
+
+import androidx.lifecycle.Lifecycle;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.network.telephony.DataDuringCallsPreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowSubscriptionManager;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowSubscriptionManager.class)
+public class DataDuringCallsPreferenceControllerTest {
+    private static final String PREF_KEY = "pref_key";
+    private static final int SUB_ID_1 = 111;
+    private static final int SUB_ID_2 = 222;
+
+    @Mock
+    private TelephonyManager mTelephonyManager;
+    @Mock
+    private Lifecycle mLifecycle;
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+
+    private Context mContext;
+    private SwitchPreference mSwitchPreference;
+    private DataDuringCallsPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        doReturn(mTelephonyManager).when(mContext).getSystemService(eq(TelephonyManager.class));
+        when(mTelephonyManager.createForSubscriptionId(anyInt())).thenReturn(mTelephonyManager);
+        mSwitchPreference = new SwitchPreference(mContext);
+        when(mPreferenceScreen.findPreference(PREF_KEY)).thenReturn(mSwitchPreference);
+        mController = new DataDuringCallsPreferenceController(mContext, PREF_KEY);
+        mController.init(mLifecycle, SUB_ID_1);
+    }
+
+    @Test
+    public void getAvailabilityStatus_noInit_notAvailable() {
+        ShadowSubscriptionManager.setDefaultDataSubscriptionId(SUB_ID_1);
+        DataDuringCallsPreferenceController controller =
+                new DataDuringCallsPreferenceController(mContext, PREF_KEY);
+
+        // note that we purposely don't call init first on the controller
+        assertThat(controller.getAvailabilityStatus(INVALID_SUBSCRIPTION_ID)).isEqualTo(
+                CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void displayPreference_defaultForData_notAvailable() {
+        ShadowSubscriptionManager.setDefaultDataSubscriptionId(SUB_ID_1);
+
+        mController.displayPreference(mPreferenceScreen);
+
+        assertThat(mController.isAvailable()).isFalse();
+        assertThat(mSwitchPreference.isVisible()).isFalse();
+    }
+
+    @Test
+    public void  displayPreference_notDefaultForData_available() {
+        ShadowSubscriptionManager.setDefaultDataSubscriptionId(SUB_ID_2);
+
+        mController.displayPreference(mPreferenceScreen);
+
+        assertThat(mController.isAvailable()).isTrue();
+        assertThat(mSwitchPreference.isVisible()).isTrue();
+    }
+
+    @Test
+    public void onSubscriptionsChanged_becomesDefaultForData_notAvailable() {
+        ShadowSubscriptionManager.setDefaultDataSubscriptionId(SUB_ID_2);
+
+        mController.displayPreference(mPreferenceScreen);
+        ShadowSubscriptionManager.setDefaultDataSubscriptionId(SUB_ID_1);
+        mController.onSubscriptionsChanged();
+
+        assertThat(mController.isAvailable()).isFalse();
+        assertThat(mSwitchPreference.isVisible()).isFalse();
+    }
+
+    @Test
+    public void onSubscriptionsChanged_noLongerDefaultForData_available() {
+        ShadowSubscriptionManager.setDefaultDataSubscriptionId(SUB_ID_1);
+
+        mController.displayPreference(mPreferenceScreen);
+        ShadowSubscriptionManager.setDefaultDataSubscriptionId(SUB_ID_2);
+        mController.onSubscriptionsChanged();
+
+        assertThat(mController.isAvailable()).isTrue();
+        assertThat(mSwitchPreference.isVisible()).isTrue();
+    }
+}