Merge "[Settings] Code refactor for monitoring service state"

tests/unit/src/com/android/settings/network/helper/ServiceStateStatusTest.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2022 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.helper;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.telephony.ServiceState;
+import android.telephony.TelephonyManager;
+
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+@RunWith(AndroidJUnit4.class)
+public class ServiceStateStatusTest implements LifecycleOwner {
+
+    private final LifecycleRegistry mRegistry = LifecycleRegistry.createUnsafe(this);
+
+    @Mock
+    private TelephonyManager mTelMgr;
+    @Mock
+    private ServiceState mTestData;
+
+    private AtomicReference<ServiceState> mStatusStorage;
+    private ServiceStateStatus mServiceStateStatus;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mStatusStorage = new AtomicReference<ServiceState>();
+        mServiceStateStatus = new ServiceStateStatus(getLifecycle(), mTelMgr, null) {
+            @Override
+            protected void setValue(ServiceState status) {
+                mStatusStorage.set(status);
+            }
+        };
+    }
+
+    public Lifecycle getLifecycle() {
+        return mRegistry;
+    }
+
+    @Test
+    public void telephonyCallback_updateStatus_whenActive() {
+        mRegistry.handleLifecycleEvent(Lifecycle.Event.ON_CREATE);
+
+        mServiceStateStatus.mServiceStateProducer.onServiceStateChanged(mTestData);
+
+        assertThat(mStatusStorage.get()).isEqualTo(null);
+
+        mRegistry.handleLifecycleEvent(Lifecycle.Event.ON_START);
+
+        mServiceStateStatus.mServiceStateProducer.onServiceStateChanged(mTestData);
+
+        assertThat(mStatusStorage.get()).isEqualTo(mTestData);
+    }
+
+    @Test
+    public void telephonyCallback_updateStatusToNull_whenInActive() {
+        mRegistry.handleLifecycleEvent(Lifecycle.Event.ON_CREATE);
+        mRegistry.handleLifecycleEvent(Lifecycle.Event.ON_START);
+
+        mServiceStateStatus.mServiceStateProducer.onServiceStateChanged(mTestData);
+
+        assertThat(mStatusStorage.get()).isEqualTo(mTestData);
+
+        mRegistry.handleLifecycleEvent(Lifecycle.Event.ON_STOP);
+
+        assertThat(mStatusStorage.get()).isEqualTo(null);
+    }
+}