Merge "Add tests for DeviceConfigServiceManager" into udc-dev

core/tests/coretests/src/android/provider/DeviceConfigServiceManagerTest.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2023 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 android.provider;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assume.assumeTrue;
+
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * Class that tests the APIs of DeviceConfigServiceManager.ServiceRegisterer.
+ */
+@Presubmit
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class DeviceConfigServiceManagerTest {
+
+    private static final String SERVICE_NAME = "device_config_updatable";
+    private DeviceConfigServiceManager.ServiceRegisterer mRegisterer;
+
+    @Before
+    public void setUp() {
+        mRegisterer = new DeviceConfigServiceManager.ServiceRegisterer(SERVICE_NAME);
+    }
+
+    @Test
+    public void testGetOrThrow() throws DeviceConfigServiceManager.ServiceNotFoundException {
+        if (UpdatableDeviceConfigServiceReadiness.shouldStartUpdatableService()) {
+            assertThat(mRegisterer.getOrThrow()).isNotNull();
+        } else {
+            assertThrows(DeviceConfigServiceManager.ServiceNotFoundException.class,
+                    mRegisterer::getOrThrow);
+        }
+    }
+
+    @Test
+    public void testGet() {
+        assumeTrue(UpdatableDeviceConfigServiceReadiness.shouldStartUpdatableService());
+        assertThat(mRegisterer.get()).isNotNull();
+    }
+
+    @Test
+    public void testTryGet() {
+        if (UpdatableDeviceConfigServiceReadiness.shouldStartUpdatableService()) {
+            assertThat(mRegisterer.tryGet()).isNotNull();
+        } else {
+            assertThat(mRegisterer.tryGet()).isNull();
+        }
+    }
+}