Add test for ExplicitHealthCheckService

Test the notifyHealthCheckPassed method to ensure that the expected
information is sent when an explicit health check passes.

Bug: 150638807
Test: atest ExplicitHealthCheckServiceTest
Change-Id: I98c1c3bf018a82ea769846b4212c295518814a18

1 files changed, 61 insertions, 0 deletions

diff --git a/tests/PackageWatchdog/src/com/android/server/ExplicitHealthCheckServiceTest.java b/tests/PackageWatchdog/src/com/android/server/ExplicitHealthCheckServiceTest.java
new file mode 100644
index 000000000000..2fbfeba47b13
--- /dev/null
+++ b/tests/PackageWatchdog/src/com/android/server/ExplicitHealthCheckServiceTest.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2020 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.server;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+
+import android.content.Intent;
+import android.os.IBinder;
+import android.os.RemoteCallback;
+import android.service.watchdog.ExplicitHealthCheckService;
+import android.service.watchdog.IExplicitHealthCheckService;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.concurrent.CountDownLatch;
+
+public class ExplicitHealthCheckServiceTest {
+
+    private ExplicitHealthCheckService mExplicitHealthCheckService;
+    private static final String PACKAGE_NAME = "com.test.package";
+
+    @Before
+    public void setup() throws Exception {
+        mExplicitHealthCheckService = spy(ExplicitHealthCheckService.class);
+    }
+
+    /**
+     * Test to verify that the correct information is sent in the callback when a package has
+     * passed an explicit health check.
+     */
+    @Test
+    public void testNotifyHealthCheckPassed() throws Exception {
+        IBinder binder = mExplicitHealthCheckService.onBind(new Intent());
+        CountDownLatch countDownLatch = new CountDownLatch(1);
+        RemoteCallback callback = new RemoteCallback(result -> {
+            assertThat(result.get(ExplicitHealthCheckService.EXTRA_HEALTH_CHECK_PASSED_PACKAGE))
+                    .isEqualTo(PACKAGE_NAME);
+            countDownLatch.countDown();
+        });
+        IExplicitHealthCheckService.Stub.asInterface(binder).setCallback(callback);
+        mExplicitHealthCheckService.notifyHealthCheckPassed(PACKAGE_NAME);
+        countDownLatch.await();
+    }
+}