Merge "Add carrier settings version to network details page"

tests/robotests/src/com/android/settings/network/telephony/CarrierSettingsVersionPreferenceControllerTest.java

@@ -0,0 +1,73 @@
+/*
+ * 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.telephony;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.PersistableBundle;
+import android.telephony.CarrierConfigManager;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowCarrierConfigManager;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowCarrierConfigManager.class)
+public class CarrierSettingsVersionPreferenceControllerTest {
+
+    private ShadowCarrierConfigManager mCarrierConfigManager;
+    private CarrierSettingsVersionPreferenceController mController;
+    private int mSubscriptionId = 1234;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        final Context context = RuntimeEnvironment.application;
+        mController = new CarrierSettingsVersionPreferenceController(context, "dummy_key");
+        mController.init(mSubscriptionId);
+        mCarrierConfigManager = Shadows.shadowOf(
+                context.getSystemService(CarrierConfigManager.class));
+    }
+
+    @Test
+    public void getSummary_nullConfig_noCrash() {
+        mCarrierConfigManager.setConfigForSubId(mSubscriptionId, null);
+        assertThat(mController.getSummary()).isNull();
+    }
+
+    @Test
+    public void getSummary_nullVersionString_noCrash() {
+        mCarrierConfigManager.setConfigForSubId(mSubscriptionId, new PersistableBundle());
+        assertThat(mController.getSummary()).isNull();
+    }
+
+    @Test
+    public void getSummary_hasVersionString_correctSummary() {
+        final PersistableBundle bundle = new PersistableBundle();
+        bundle.putString(CarrierConfigManager.KEY_CARRIER_CONFIG_VERSION_STRING,
+                "test_version_123");
+        mCarrierConfigManager.setConfigForSubId(mSubscriptionId, bundle);
+        assertThat(mController.getSummary()).isEqualTo("test_version_123");
+    }
+}