/**
* Copyright 2015 Netflix, Inc.
*
* 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.netflix.hystrix.contrib.javanica.cache;
import com.netflix.hystrix.contrib.javanica.cache.annotation.CacheKey;
import com.netflix.hystrix.contrib.javanica.cache.annotation.CacheResult;
import com.netflix.hystrix.contrib.javanica.command.MetaHolder;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class HystrixCacheKeyGeneratorTest {
@Test
public void testGenerateCacheKey_givenUser_shouldReturnCorrectCacheKey() throws NoSuchMethodException {
// given
TestCacheClass testCacheClass = new TestCacheClass();
String id = "1";
User user = new User();
user.setId(id);
Profile profile = new Profile("user name");
user.setProfile(profile);
String expectedKey = id + user.getProfile().getName();
MetaHolder metaHolder = MetaHolder.builder()
.method(TestCacheClass.class.getMethod("cacheResultMethod", String.class, User.class))
.args(new Object[]{id, user})
.obj(testCacheClass).build();
CacheInvocationContext<CacheResult> context = CacheInvocationContextFactory.createCacheResultInvocationContext(metaHolder);
HystrixCacheKeyGenerator keyGenerator = HystrixCacheKeyGenerator.getInstance();
// when
String actual = keyGenerator.generateCacheKey(context).getCacheKey();
// then
assertEquals(expectedKey, actual);
}
@Test
public void testGenerateCacheKey_givenUserWithNullProfile_shouldReturnCorrectCacheKey() throws NoSuchMethodException {
// given
TestCacheClass testCacheClass = new TestCacheClass();
String id = "1";
User user = new User();
user.setId(id);
user.setProfile(null);
String expectedKey = id;
MetaHolder metaHolder = MetaHolder.builder()
.method(TestCacheClass.class.getMethod("cacheResultMethod", String.class, User.class))
.args(new Object[]{id, user})
.obj(testCacheClass).build();
CacheInvocationContext<CacheResult> context = CacheInvocationContextFactory.createCacheResultInvocationContext(metaHolder);
HystrixCacheKeyGenerator keyGenerator = HystrixCacheKeyGenerator.getInstance();
// when
String actual = keyGenerator.generateCacheKey(context).getCacheKey();
// then
assertEquals(expectedKey, actual);
}
@Test
public void testGenerateCacheKey_givenCacheKeyMethodWithNoArguments_shouldReturnEmptyCacheKey() throws NoSuchMethodException {
// given
TestCacheClass testCacheClass = new TestCacheClass();
MetaHolder metaHolder = MetaHolder.builder()
.method(TestCacheClass.class.getMethod("cacheResultMethod"))
.args(new Object[]{})
.obj(testCacheClass).build();
CacheInvocationContext<CacheResult> context = CacheInvocationContextFactory.createCacheResultInvocationContext(metaHolder);
HystrixCacheKeyGenerator keyGenerator = HystrixCacheKeyGenerator.getInstance();
// when
HystrixGeneratedCacheKey actual = keyGenerator.generateCacheKey(context);
// then
assertEquals(DefaultHystrixGeneratedCacheKey.EMPTY, actual);
}
public static class TestCacheClass {
@CacheResult
public Object cacheResultMethod(@CacheKey String id, @CacheKey("profile.name") User user) {
return "test";
}
@CacheResult
public Object cacheResultMethod() {
return "test";
}
}
public static class User {
private String id;
private Profile profile;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public Profile getProfile() {
return profile;
}
public void setProfile(Profile profile) {
this.profile = profile;
}
}
public static class Profile {
private String name;
public Profile() {
}
public Profile(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
}