[sync] Upstream the Android ProfileSyncService

chrome/android/javatests/src/org/chromium/chrome/browser/identity/SettingsSecureBasedIdentificationGeneratorTest.java

+// Copyright (c) 2012 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.chrome.browser.identity;
+
+import android.test.InstrumentationTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import org.chromium.base.test.util.AdvancedMockContext;
+import org.chromium.base.test.util.Feature;
+import org.chromium.chrome.browser.util.HashUtil;
+
+public class SettingsSecureBasedIdentificationGeneratorTest extends InstrumentationTestCase {
+
+    private static final String FLAG_ANDROID_ID = "android_id";
+
+    @SmallTest
+    @Feature({"ChromeToMobile", "Omaha"})
+    public void testAndroidIdSuccessWithSalt() {
+        String androidId = "42";
+        String salt = "mySalt";
+        String expected = HashUtil.getMd5Hash(new HashUtil.Params(androidId).withSalt(salt));
+        runTest(androidId, salt, expected);
+    }
+
+    @SmallTest
+    @Feature({"ChromeToMobile", "Omaha"})
+    public void testAndroidIdSuccessWithoutSalt() {
+        String androidId = "42";
+        String expected = HashUtil.getMd5Hash(new HashUtil.Params(androidId));
+        runTest(androidId, null, expected);
+    }
+
+    @SmallTest
+    @Feature({"ChromeToMobile", "Omaha"})
+    public void testAndroidIdFailureWithSalt() {
+        String androidId = null;
+        String salt = "mySalt";
+        String expected = "";
+        runTest(androidId, salt, expected);
+    }
+
+    @SmallTest
+    @Feature({"ChromeToMobile", "Omaha"})
+    public void testAndroidIdFailureWithoutSalt() {
+        String androidId = null;
+        String salt = null;
+        String expected = "";
+        runTest(androidId, salt, expected);
+    }
+
+    private void runTest(String androidId, String salt, String expectedUniqueId) {
+        AdvancedMockContext context = new AdvancedMockContext();
+        TestGenerator generator = new TestGenerator(context, androidId);
+
+        // Get a unique ID and ensure it is as expected.
+        String result = generator.getUniqueId(salt);
+        assertEquals(expectedUniqueId, result);
+    }
+
+    private static class TestGenerator extends SettingsSecureBasedIdentificationGenerator {
+        private final AdvancedMockContext mContext;
+        private final String mAndroidId;
+
+        TestGenerator(AdvancedMockContext context, String androidId) {
+            super(context);
+            mContext = context;
+            mAndroidId = androidId;
+        }
+
+        @Override
+        String getAndroidId() {
+            mContext.setFlag(FLAG_ANDROID_ID);
+            return mAndroidId;
+        }
+    }
+}