Route through a JobService when receiving a message for the GCM Driver

components/gcm_driver/android/junit/src/org/chromium/components/gcm_driver/GCMMessageTest.java

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.components.gcm_driver;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+
+import android.os.Build;
+import android.os.Bundle;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.robolectric.annotation.Config;
+
+import org.chromium.base.test.util.MinAndroidSdkLevel;
+import org.chromium.testing.local.LocalRobolectricTestRunner;
+
+/**
+ * Unit tests for GCMMessage.
+ */
+@RunWith(LocalRobolectricTestRunner.class)
+@Config(manifest = Config.NONE)
+public class GCMMessageTest {
+    /**
+     * Tests that a message object can be created based on data received from GCM. Note that the raw
+     * data field is tested separately.
+     */
+    @Test
+    public void testCreateMessageFromGCM() {
+        Bundle extras = new Bundle();
+
+        // Compose a simple message that lacks all optional fields.
+        extras.putString("subtype", "MyAppId");
+
+        {
+            GCMMessage message = new GCMMessage("MySenderId", extras);
+
+            assertEquals("MySenderId", message.getSenderId());
+            assertEquals("MyAppId", message.getAppId());
+            assertEquals(null, message.getCollapseKey());
+            assertArrayEquals(new String[] {}, message.getDataKeysAndValuesArray());
+        }
+
+        // Add the optional fields: collapse key, raw binary data and a custom property.
+        extras.putString("collapse_key", "MyCollapseKey");
+        extras.putByteArray("rawData", new byte[] {0x00, 0x15, 0x30, 0x45});
+        extras.putString("property", "value");
+
+        {
+            GCMMessage message = new GCMMessage("MySenderId", extras);
+
+            assertEquals("MySenderId", message.getSenderId());
+            assertEquals("MyAppId", message.getAppId());
+            assertEquals("MyCollapseKey", message.getCollapseKey());
+            assertArrayEquals(
+                    new String[] {"property", "value"}, message.getDataKeysAndValuesArray());
+        }
+    }
+
+    /**
+     * Tests that the bundle containing extras from GCM will be filtered for values that we either
+     * pass through by other means, or that we know to be irrelevant to regular GCM messages.
+     */
+    @Test
+    public void testFiltersExtraBundle() {
+        Bundle extras = new Bundle();
+
+        // These should be filtered by full key.
+        extras.putString("collapse_key", "collapseKey");
+        extras.putString("rawData", "rawData");
+        extras.putString("from", "from");
+        extras.putString("subtype", "subtype");
+
+        // These should be filtered by prefix matching.
+        extras.putString("com.google.ipc.invalidation.gcmmplex.foo", "bar");
+        extras.putString("com.google.ipc.invalidation.gcmmplex.bar", "baz");
+
+        // These should be filtered because they're not strings.
+        extras.putBoolean("myBoolean", true);
+        extras.putInt("myInteger", 42);
+
+        // These should not be filtered.
+        extras.putString("collapse_key2", "secondCollapseKey");
+        extras.putString("myString", "foobar");
+
+        GCMMessage message = new GCMMessage("senderId", extras);
+
+        assertArrayEquals(new String[] {"collapse_key2", "secondCollapseKey", "myString", "foobar"},
+                message.getDataKeysAndValuesArray());
+    }
+
+    /**
+     * Tests that a GCMMessage object can be serialized to and deserialized from a persistable
+     * bundle. Note that the raw data field is tested separately. Only run on Android L and beyond
+     * because it depends on PersistableBundle.
+     */
+    @Test
+    @MinAndroidSdkLevel(Build.VERSION_CODES.LOLLIPOP)
+    public void testSerializationToPersistableBundle() {
+        Bundle extras = new Bundle();
+
+        // Compose a simple message that lacks all optional fields.
+        extras.putString("subtype", "MyAppId");
+
+        {
+            GCMMessage message = new GCMMessage("MySenderId", extras);
+            GCMMessage copiedMessage = new GCMMessage(message.toPersistableBundle());
+
+            assertEquals(message.getSenderId(), copiedMessage.getSenderId());
+            assertEquals(message.getAppId(), copiedMessage.getAppId());
+            assertEquals(message.getCollapseKey(), copiedMessage.getCollapseKey());
+            assertArrayEquals(
+                    message.getDataKeysAndValuesArray(), copiedMessage.getDataKeysAndValuesArray());
+        }
+
+        // Add the optional fields: collapse key, raw binary data and a custom property.
+        extras.putString("collapse_key", "MyCollapseKey");
+        extras.putString("property", "value");
+
+        {
+            GCMMessage message = new GCMMessage("MySenderId", extras);
+            GCMMessage copiedMessage = new GCMMessage(message.toPersistableBundle());
+
+            assertEquals(message.getSenderId(), copiedMessage.getSenderId());
+            assertEquals(message.getAppId(), copiedMessage.getAppId());
+            assertEquals(message.getCollapseKey(), copiedMessage.getCollapseKey());
+            assertArrayEquals(
+                    message.getDataKeysAndValuesArray(), copiedMessage.getDataKeysAndValuesArray());
+        }
+    }
+
+    /**
+     * Tests that the raw data field can be serialized and deserialized as expected. It should be
+     * NULL when undefined, an empty byte array when defined but empty, and a regular, filled
+     * byte array when data has been provided. Only run on Android L and beyond because it depends
+     * on PersistableBundle.
+     */
+    @Test
+    @MinAndroidSdkLevel(Build.VERSION_CODES.LOLLIPOP)
+    public void testRawDataSerializationBehaviour() {
+        Bundle extras = new Bundle();
+        extras.putString("subtype", "MyAppId");
+
+        // Case 1: No raw data supplied. Should be NULL.
+        {
+            GCMMessage message = new GCMMessage("MySenderId", extras);
+            GCMMessage copiedMessage = new GCMMessage(message.toPersistableBundle());
+
+            assertArrayEquals(null, message.getRawData());
+            assertArrayEquals(null, copiedMessage.getRawData());
+        }
+
+        extras.putByteArray("rawData", new byte[] {});
+
+        // Case 2: Empty byte array of raw data supplied. Should be just that.
+        {
+            GCMMessage message = new GCMMessage("MySenderId", extras);
+            GCMMessage copiedMessage = new GCMMessage(message.toPersistableBundle());
+
+            assertArrayEquals(new byte[] {}, message.getRawData());
+            assertArrayEquals(new byte[] {}, copiedMessage.getRawData());
+        }
+
+        extras.putByteArray("rawData", new byte[] {0x00, 0x15, 0x30, 0x45});
+
+        // Case 3: Byte array with data supplied.
+        {
+            GCMMessage message = new GCMMessage("MySenderId", extras);
+            GCMMessage copiedMessage = new GCMMessage(message.toPersistableBundle());
+
+            assertArrayEquals(new byte[] {0x00, 0x15, 0x30, 0x45}, message.getRawData());
+            assertArrayEquals(new byte[] {0x00, 0x15, 0x30, 0x45}, copiedMessage.getRawData());
+        }
+    }
+}