Bug 1476237 - Fix TestTelemetryUploadAllPingsImmediatelyScheduler the after Oreo migration; r=jchen

Refactored the previous test which verified if a Service was started with the
right Intent to now check if JobScheduler has the right Job enqueued with the
right work Intent.


MozReview-Commit-ID: G46GbjVVkqR

--HG--
extra : rebase_source : 4d9f030ed37767c02a27aa291f2c0338afd0619a

mobile/android/app/src/test/java/org/mozilla/gecko/telemetry/schedulers/TestTelemetryUploadAllPingsImmediatelyScheduler.java

@@ -6,8 +6,12 @@
 
 package org.mozilla.gecko.telemetry.schedulers;
 
+import android.app.job.JobInfo;
+import android.app.job.JobScheduler;
+import android.app.job.JobWorkItem;
 import android.content.Context;
 import android.content.Intent;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -15,9 +19,19 @@ import org.mockito.ArgumentCaptor;
 import org.mozilla.gecko.telemetry.TelemetryUploadService;
 import org.mozilla.gecko.telemetry.stores.TelemetryPingStore;
 import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
 
-import static junit.framework.Assert.*;
-import static org.mockito.Mockito.*;
+import java.util.List;
+import java.util.Objects;
+
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertTrue;
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 /**
  * Unit tests for the upload immediately scheduler.
@@ -26,6 +40,7 @@ import static org.mockito.Mockito.*;
  * (e.g. pass in current time) and these tests will be more useful.
  */
 @RunWith(RobolectricTestRunner.class)
+@Config(manifest = Config.NONE, sdk = 26)
 public class TestTelemetryUploadAllPingsImmediatelyScheduler {
 
     private TelemetryUploadAllPingsImmediatelyScheduler testScheduler;
@@ -39,22 +54,43 @@ public class TestTelemetryUploadAllPingsImmediatelyScheduler {
 
     @Test
     public void testReadyToUpload() {
-        assertTrue("Scheduler is always ready to upload", testScheduler.isReadyToUpload(
-                mock(Context.class), testStore));
+        assertTrue("Scheduler is not ready to upload",
+                testScheduler.isReadyToUpload(mock(Context.class), testStore));
     }
 
     @Test
     public void testScheduleUpload() {
-        final Context context = mock(Context.class);
+        final Context appContext = spy(getAppContext());
+        final JobScheduler scheduler = spy(getJobScheduler());
+        // Make sure that the internal system call to enqueue work will use our mocks
+        when(appContext.getApplicationContext()).thenReturn(appContext);
+        when(appContext.getSystemService(Context.JOB_SCHEDULER_SERVICE)).thenReturn(scheduler);
 
-        testScheduler.scheduleUpload(context, testStore);
+        testScheduler.scheduleUpload(appContext, testStore);
 
-        final ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
-        verify(context).startService(intentCaptor.capture());
-        final Intent actualIntent = intentCaptor.getValue();
-        assertEquals("Intent action is upload", TelemetryUploadService.ACTION_UPLOAD, actualIntent.getAction());
-        assertTrue("Intent contains store", actualIntent.hasExtra(TelemetryUploadService.EXTRA_STORE));
-        assertEquals("Intent class target is upload service",
-                TelemetryUploadService.class.getName(), actualIntent.getComponent().getClassName());
+        final List<JobInfo> pendingJobs = scheduler.getAllPendingJobs();
+        assertEquals("Telemetry upload is not not started", pendingJobs.size(), 1);
+
+        final JobInfo uploadJob = pendingJobs.get(0);
+        assertEquals("Enqueued class is not the telemetry upload service",
+                TelemetryUploadService.class.getName(), uploadJob.getService().getClassName());
+
+        final ArgumentCaptor<JobWorkItem> workCaptor = ArgumentCaptor.forClass(JobWorkItem.class);
+        verify(scheduler).enqueue(any(JobInfo.class), workCaptor.capture());
+
+        final Intent receivedIntent = workCaptor.getValue().getIntent();
+        assertEquals("Work Intent has wrong action",
+                TelemetryUploadService.ACTION_UPLOAD, receivedIntent.getAction());
+        assertTrue("Work Intent has wrong extra",
+                receivedIntent.hasExtra(TelemetryUploadService.EXTRA_STORE));
+    }
+
+    private Context getAppContext() {
+        return RuntimeEnvironment.application;
+    }
+
+    private JobScheduler getJobScheduler() {
+        return Objects.requireNonNull((JobScheduler)
+                getAppContext().getSystemService(Context.JOB_SCHEDULER_SERVICE));
     }
 }