// Copyright 2016 Google Inc. All Rights Reserved.
//
// 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.google.api.ads.common.lib.useragent;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.mockito.Mockito.when;
import com.google.api.ads.common.lib.conf.AdsLibConfiguration;
import com.google.api.ads.common.lib.utils.AdsUtility;
import com.google.api.ads.common.lib.utils.AdsUtilityRegistry;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import java.util.Collections;
import java.util.List;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
/**
* Test for {@link AdsUtilitiesUserAgentProvider}.
*/
@RunWith(JUnit4.class)
public class AdsUtilitiesUserAgentProviderTest {
private AdsUtilitiesUserAgentProvider userAgentProvider;
private AdsUtilityRegistry adsUtilityRegistry = AdsUtilityRegistry.getInstance();
@Mock
private AdsLibConfiguration adsLibConfiguration;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
adsUtilityRegistry.removeUtilities(adsUtilityRegistry.getRegisteredUtilities());
userAgentProvider = new AdsUtilitiesUserAgentProvider(adsUtilityRegistry, adsLibConfiguration);
}
@After
public void tearDown() throws Exception {
assertEquals("User agent provider should clear utilities", Sets.newHashSet(),
adsUtilityRegistry.getRegisteredUtilities());
}
/**
* Tests that a single registered utility will result in the correct user agent if include
* utilities is true.
*/
@Test
public void testGenerateUserAgent_utilityRegistered_includeUtilitiesTrue() {
when(adsLibConfiguration.isIncludeAdsUtilitiesInUserAgent()).thenReturn(true);
adsUtilityRegistry.addUtility(AdsUtility.PRODUCT_PARTITION_TREE);
String actualUserAgent = userAgentProvider.getUserAgent();
assertEquals("User agent should include registered utilities if include utilities is true",
AdsUtility.PRODUCT_PARTITION_TREE.getUserAgentIdentifier(), actualUserAgent);
}
/**
* Tests that the user agent provider will always return multiple user agent identifiers
* in alphabetical order, regardless of the order of registration.
*/
@Test
public void testGenerateUserAgent_multipleUtilitiesRegistered_includeUtilitiesTrue() {
when(adsLibConfiguration.isIncludeAdsUtilitiesInUserAgent()).thenReturn(true);
List<AdsUtility> adsUtilities =
Lists.newArrayList(
AdsUtility.PRODUCT_PARTITION_TREE,
AdsUtility.SELECTOR_BUILDER,
AdsUtility.REPORT_DOWNLOADER);
for (int i = 0; i < adsUtilities.size() * adsUtilities.size(); i++) {
for (AdsUtility adsUtility : adsUtilities) {
adsUtilityRegistry.addUtility(adsUtility);
}
String expectedUserAgent =
"ProductPartitionTree, ReportDownloader, SelectorBuilder";
String actualUserAgent = userAgentProvider.getUserAgent();
assertEquals(
"User agent should include registered utilities in alphabetical order if include "
+ "utilities is true",
expectedUserAgent, actualUserAgent);
assertEquals("User agent provider should clear utilities", Sets.newHashSet(),
adsUtilityRegistry.getRegisteredUtilities());
// Rotate the list of utilities in preparation for the next iteration.
Collections.rotate(adsUtilities, i);
}
}
/**
* Tests that if no utilities are registered, the provider will return null.
*/
@Test
public void testGenerateUserAgent_noUtitilitiesRegistered_includeUtilitiesTrue() {
when(adsLibConfiguration.isIncludeAdsUtilitiesInUserAgent()).thenReturn(true);
String actualUserAgent = userAgentProvider.getUserAgent();
assertNull("User agent should be null if no utilities are registered", actualUserAgent);
}
/**
* Tests that if include utilities is false, the provider will return null (even if utilities
* are registered).
*/
@Test
public void testGenerateUserAgent_utilitiesRegistered_includeUtilitiesFalse() {
when(adsLibConfiguration.isIncludeAdsUtilitiesInUserAgent()).thenReturn(false);
adsUtilityRegistry.addUtility(AdsUtility.PRODUCT_PARTITION_TREE);
String actualUserAgent = userAgentProvider.getUserAgent();
assertNull("User agent should be null if include utilities is false", actualUserAgent);
}
}