ActionTest.java

/*
 * Copyright 2016 Victor Albertos
 *
 * 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 io.rx_cache2.internal.cache;

import io.rx_cache2.internal.common.BaseTest;
import org.junit.Test;

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Set;

import io.rx_cache2.internal.Record;
import io.rx_cache2.internal.Memory;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.Is.is;

public class ActionTest extends BaseTest {
    private Memory memory;
    private io.rx_cache2.internal.cache.Action actionUT;

    private static final String PROVIDER_KEY = "get_mocks";
    private static final String DYNAMIC_KEY_1 = "filter_1", DYNAMIC_KEY_2 = "filter_2";
    private static final String DYNAMIC_KEY_GROUP_1 = "page_1", DYNAMIC_KEY_GROUP_2 = "page_2";

    @Override public void setUp() {
        super.setUp();

        memory = new MockMemory();
        actionUT = new io.rx_cache2.internal.cache.Action(memory, disk) {};
    }

    @Test public void Check_Keys_Matching_Provider_Key()  {
        List<String> keysMatchingProviderKey = actionUT.getKeysOnMemoryMatchingProviderKey(PROVIDER_KEY);
        assertThat(keysMatchingProviderKey.get(0), is(filter1Page1));
        assertThat(keysMatchingProviderKey.get(1), is(filter1Page2));
        assertThat(keysMatchingProviderKey.get(2), is(filter2Page1));
        assertThat(keysMatchingProviderKey.get(3), is(filter2Page2));
        assertThat(keysMatchingProviderKey.size(), is(4));
    }

    @Test public void Check_Keys_Matching_Dynamic_Key()  {
        List<String> keysMatchingDynamicKey1 = actionUT.getKeysOnMemoryMatchingDynamicKey(PROVIDER_KEY, DYNAMIC_KEY_1);
        assertThat(keysMatchingDynamicKey1.get(0), is(filter1Page1));
        assertThat(keysMatchingDynamicKey1.get(1), is(filter1Page2));
        assertThat(keysMatchingDynamicKey1.size(), is(2));

        List<String> keysMatchingDynamicKey2 = actionUT.getKeysOnMemoryMatchingDynamicKey(PROVIDER_KEY, DYNAMIC_KEY_2);
        assertThat(keysMatchingDynamicKey2.get(0), is(filter2Page1));
        assertThat(keysMatchingDynamicKey2.get(1), is(filter2Page2));
        assertThat(keysMatchingDynamicKey2.size(), is(2));
    }

    @Test public void Check_Keys_Matching_Dynamic_Key_Group()  {
        String keyMatchingDynamicKey1DynamicKeyGroup1 = actionUT.getKeyOnMemoryMatchingDynamicKeyGroup(PROVIDER_KEY, DYNAMIC_KEY_1, DYNAMIC_KEY_GROUP_1);
        assertThat(keyMatchingDynamicKey1DynamicKeyGroup1, is(filter1Page1));

        String keyMatchingDynamicKey1DynamicKeyGroup2 = actionUT.getKeyOnMemoryMatchingDynamicKeyGroup(PROVIDER_KEY, DYNAMIC_KEY_1, DYNAMIC_KEY_GROUP_2);
        assertThat(keyMatchingDynamicKey1DynamicKeyGroup2, is(filter1Page2));

        String keyMatchingDynamicKey2DynamicKeyGroup1 = actionUT.getKeyOnMemoryMatchingDynamicKeyGroup(PROVIDER_KEY, DYNAMIC_KEY_2, DYNAMIC_KEY_GROUP_1);
        assertThat(keyMatchingDynamicKey2DynamicKeyGroup1, is(filter2Page1));

        String keyMatchingDynamicKey2DynamicKeyGroup2 = actionUT.getKeyOnMemoryMatchingDynamicKeyGroup(PROVIDER_KEY, DYNAMIC_KEY_2, DYNAMIC_KEY_GROUP_2);
        assertThat(keyMatchingDynamicKey2DynamicKeyGroup2, is(filter2Page2));
    }

    private static String filter1Page1, filter1Page2, filter2Page1, filter2Page2;

    private static class MockMemory implements Memory {
        private final LinkedHashMap<String, Record> mockCache;

        public MockMemory() {
            mockCache = new LinkedHashMap();

            io.rx_cache2.internal.cache.Action
                action = new io.rx_cache2.internal.cache.Action(null, null) {};
            filter1Page1 = action.composeKey(PROVIDER_KEY, DYNAMIC_KEY_1, DYNAMIC_KEY_GROUP_1);
            mockCache.put(filter1Page1, mock(filter1Page1));

            filter1Page2 = action.composeKey(PROVIDER_KEY, DYNAMIC_KEY_1, DYNAMIC_KEY_GROUP_2);
            mockCache.put(filter1Page2, mock(filter1Page2));

            filter2Page1 = action.composeKey(PROVIDER_KEY, DYNAMIC_KEY_2, DYNAMIC_KEY_GROUP_1);
            mockCache.put(filter2Page1, mock(filter2Page1));

            filter2Page2 = action.composeKey(PROVIDER_KEY, DYNAMIC_KEY_2, DYNAMIC_KEY_GROUP_2);
            mockCache.put(filter2Page2, mock(filter2Page2));
        }

        @Override public <T> Record<T> getIfPresent(String key) {
            return null;
        }

        @Override public <T> void put(String key, Record<T> record) {}

        @Override public Set<String> keySet() {
            return mockCache.keySet();
        }

        @Override public void evict(String key) {}

        @Override public void evictAll() {}

        private Record<String> mock(String value) {
            return new Record(value, true, null);
        }
    }
}