net.eusashead.spring.gaecache.GaeCacheTest.java Source code

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Here is the source code for net.eusashead.spring.gaecache.GaeCacheTest.java

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package net.eusashead.spring.gaecache;

/*
 * #[license]
 * spring-cache-gae
 * %%
 * Copyright (C) 2013 Eusa's Head
 * %%
 * 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.
 * %[license]
 */

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.Mockito;
import org.springframework.cache.Cache;
import org.springframework.cache.Cache.ValueWrapper;

import com.google.appengine.api.memcache.Expiration;
import com.google.appengine.api.memcache.MemcacheService;

@RunWith(JUnit4.class)
public class GaeCacheTest {
    private static final String FQ_NAMESPACE = "__NAMESPACE__name";
    private static final String NS_KEY = FQ_NAMESPACE + "_100_";

    private static final Expiration expiry = Expiration.byDeltaSeconds(10);

    @Test
    public void testCacheName() throws Exception {
        String name = "test";
        Cache cache = new GaeCache(name);
        Assert.assertEquals(name, cache.getName());
    }

    @Test(expected = IllegalArgumentException.class)
    public void testNullCacheName() throws Exception {
        new GaeCache(null);
    }

    @Test(expected = IllegalArgumentException.class)
    public void testNullMemcacheService() throws Exception {
        new GaeCache("name", null, expiry);
    }

    @Test(expected = IllegalArgumentException.class)
    public void testNullExpiration() throws Exception {
        new GaeCache("name", Mockito.mock(MemcacheService.class), null);
    }

    @Test
    public void testConstructWithService() throws Exception {
        MemcacheService service = Mockito.mock(MemcacheService.class);
        GaeCache cache = new GaeCache("name", service, expiry);
        Assert.assertEquals(service, cache.getNativeCache());
    }

    @Test
    public void testClear() throws Exception {
        MemcacheService service = Mockito.mock(MemcacheService.class);
        GaeCache cache = new GaeCache("name", service, expiry);
        Mockito.when(service.contains(FQ_NAMESPACE)).thenReturn(true);
        cache.clear();
        Mockito.verify(service, Mockito.atLeastOnce()).increment(FQ_NAMESPACE, 1);
    }

    @Test
    public void testGet() throws Exception {
        MemcacheService service = Mockito.mock(MemcacheService.class);
        GaeCache cache = new GaeCache("name", service, expiry);
        FooKey key = new FooKey(1l);
        Foo value = new Foo(key, "foo");
        GaeCacheKey cacheKey = GaeCacheKey.create(key.toString());
        Mockito.when(service.get(FQ_NAMESPACE)).thenReturn(100);
        Mockito.when(service.get(NS_KEY + cacheKey)).thenReturn(value);
        ValueWrapper retObj = cache.get(cacheKey);
        Mockito.verify(service, Mockito.atLeastOnce()).get(FQ_NAMESPACE);
        Mockito.verify(service, Mockito.atLeastOnce()).get(NS_KEY + cacheKey);
        Assert.assertNotNull(retObj);
        Assert.assertNotNull(retObj.get());
        Assert.assertTrue(Foo.class.isAssignableFrom(retObj.get().getClass()));
        Foo retFoo = Foo.class.cast(retObj.get());
        Assert.assertEquals(retFoo, value);
    }

    @Test
    public void testPut() throws Exception {
        MemcacheService service = Mockito.mock(MemcacheService.class);
        GaeCache cache = new GaeCache("name", service, expiry);
        FooKey key = new FooKey(1l);
        Foo value = new Foo(key, "foo");
        Mockito.when(service.get(FQ_NAMESPACE)).thenReturn(100);
        GaeCacheKey cacheKey = GaeCacheKey.create(key.toString());
        cache.put(cacheKey, value);
        Mockito.verify(service, Mockito.atLeastOnce()).put(NS_KEY + cacheKey, value, expiry);
    }

    @Test
    public void testEvict() throws Exception {
        MemcacheService service = Mockito.mock(MemcacheService.class);
        GaeCache cache = new GaeCache("name", service, expiry);
        FooKey key = new FooKey(1l);
        Mockito.when(service.get(FQ_NAMESPACE)).thenReturn(100);
        Mockito.when(service.delete(NS_KEY + key)).thenReturn(true);
        GaeCacheKey cacheKey = GaeCacheKey.create(key.toString());
        cache.evict(cacheKey);
        Mockito.verify(service, Mockito.atLeastOnce()).delete(NS_KEY + cacheKey);
    }

}