Merge "ActiveSubsciptionsListenerTest converted to junit"

tests/unit/src/com/android/settings/network/ActiveSubsciptionsListenerTest.java

@@ -0,0 +1,195 @@
+/*
+ * 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 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.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Looper;
+import android.telephony.CarrierConfigManager;
+import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.internal.telephony.TelephonyIntents;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RunWith(AndroidJUnit4.class)
+public class ActiveSubsciptionsListenerTest {
+    private static final int SUB_ID1 = 3;
+    private static final int SUB_ID2 = 7;
+
+    private static final Intent INTENT_RADIO_TECHNOLOGY_CHANGED =
+            new Intent(TelephonyIntents.ACTION_RADIO_TECHNOLOGY_CHANGED);
+
+    private static final Intent INTENT_MULTI_SIM_CONFIG_CHANGED =
+            new Intent(TelephonyManager.ACTION_MULTI_SIM_CONFIG_CHANGED);
+
+    private static final Intent INTENT_CARRIER_CONFIG_CHANGED =
+            new Intent(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED);
+
+    private Context mContext;
+
+    @Mock
+    private SubscriptionManager mSubscriptionManager;
+    private List<SubscriptionInfo> mActiveSubscriptions;
+
+    private ActiveSubsciptionsListenerImpl mListener;
+    private BroadcastReceiver mReceiver;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getSystemService(SubscriptionManager.class)).thenReturn(mSubscriptionManager);
+
+        mActiveSubscriptions = new ArrayList<SubscriptionInfo>();
+        addMockSubscription(SUB_ID1);
+        addMockSubscription(SUB_ID2);
+        doReturn(mActiveSubscriptions).when(mSubscriptionManager).getActiveSubscriptionInfoList();
+
+        mListener = spy(new ActiveSubsciptionsListenerImpl(Looper.getMainLooper(), mContext));
+        doReturn(mSubscriptionManager).when(mListener).getSubscriptionManager();
+        mReceiver = mListener.getSubscriptionChangeReceiver();
+    }
+
+    private void addMockSubscription(int subId) {
+        SubscriptionInfo mockSubscriptionInfo = mock(SubscriptionInfo.class);
+        doReturn(subId).when(mockSubscriptionInfo).getSubscriptionId();
+        mActiveSubscriptions.add(mockSubscriptionInfo);
+    }
+
+    @After
+    public void cleanUp() {
+        mListener.close();
+    }
+
+    public class ActiveSubsciptionsListenerImpl extends ActiveSubsciptionsListener {
+        public ActiveSubsciptionsListenerImpl(Looper looper, Context context) {
+            super(looper, context);
+        }
+
+        @Override
+        void registerForSubscriptionsChange() {}
+
+        public void onChanged() {}
+    }
+
+    @Test
+    public void constructor_noListeningWasSetup() {
+        verify(mListener, never()).onChanged();
+    }
+
+    @Test
+    public void start_configChangedIntent_onChangedShouldBeCalled() {
+        mReceiver.onReceive(mContext, INTENT_RADIO_TECHNOLOGY_CHANGED);
+        mReceiver.onReceive(mContext, INTENT_MULTI_SIM_CONFIG_CHANGED);
+        verify(mListener, never()).onChanged();
+
+        mListener.start();
+
+        mReceiver.onReceive(mContext, INTENT_RADIO_TECHNOLOGY_CHANGED);
+        verify(mListener, times(1)).onChanged();
+
+        mReceiver.onReceive(mContext, INTENT_MULTI_SIM_CONFIG_CHANGED);
+        verify(mListener, times(2)).onChanged();
+
+        mListener.stop();
+
+        mReceiver.onReceive(mContext, INTENT_RADIO_TECHNOLOGY_CHANGED);
+        mReceiver.onReceive(mContext, INTENT_MULTI_SIM_CONFIG_CHANGED);
+        verify(mListener, times(2)).onChanged();
+    }
+
+    @Test
+    public void start_carrierConfigChangedIntent_onChangedWhenSubIdBeenCached() {
+        mReceiver.onReceive(mContext, INTENT_CARRIER_CONFIG_CHANGED);
+        verify(mListener, never()).onChanged();
+
+        mListener.start();
+
+        mListener.getActiveSubscriptionsInfo();
+
+        mReceiver.onReceive(mContext, INTENT_CARRIER_CONFIG_CHANGED);
+        verify(mListener, never()).onChanged();
+
+        INTENT_CARRIER_CONFIG_CHANGED.putExtra(CarrierConfigManager.EXTRA_SUBSCRIPTION_INDEX,
+                SUB_ID2);
+        mReceiver.onReceive(mContext, INTENT_CARRIER_CONFIG_CHANGED);
+        verify(mListener, times(1)).onChanged();
+
+        mListener.stop();
+
+        mReceiver.onReceive(mContext, INTENT_CARRIER_CONFIG_CHANGED);
+        verify(mListener, times(1)).onChanged();
+    }
+
+
+    @Test
+    public void start_alwaysFetchAndCacheResult() {
+        mListener.start();
+
+        List<SubscriptionInfo> subInfoList = null;
+        int numberOfAccess = 0;
+
+        for (int numberOfSubInfo = mActiveSubscriptions.size(); numberOfSubInfo >= 0;
+                numberOfSubInfo--) {
+            if (mActiveSubscriptions.size() > numberOfSubInfo) {
+                mActiveSubscriptions.remove(numberOfSubInfo);
+            }
+
+            // fetch twice and test if they generated access to SubscriptionManager only once
+            subInfoList = mListener.getActiveSubscriptionsInfo();
+            subInfoList = mListener.getActiveSubscriptionsInfo();
+
+            numberOfAccess++;
+            verify(mSubscriptionManager, times(numberOfAccess)).getActiveSubscriptionInfoList();
+
+            mListener.clearCache();
+        }
+
+        mActiveSubscriptions.clear();
+
+        // fetch twice and test if they generated access to SubscriptionManager only once
+        subInfoList = mListener.getActiveSubscriptionsInfo();
+        subInfoList = mListener.getActiveSubscriptionsInfo();
+
+        numberOfAccess++;
+        verify(mSubscriptionManager, times(numberOfAccess)).getActiveSubscriptionInfoList();
+    }
+}