HashMapCacheTest.java

/*
 * SquirrelID, a UUID library for Minecraft
 * Copyright (C) sk89q <http://www.sk89q.com>
 * Copyright (C) SquirrelID team and contributors
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.sk89q.squirrelid.cache;

import com.sk89q.squirrelid.Profile;
import com.sk89q.squirrelid.util.ExtraMatchers;
import org.hamcrest.MatcherAssert;
import org.junit.Test;

import java.util.Arrays;
import java.util.UUID;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;

public class HashMapCacheTest {

    @Test
    public void testDatabase() throws Exception {
        UUID testId1 = UUID.randomUUID();
        UUID testId2 = UUID.randomUUID();
        UUID testId3 = UUID.randomUUID();

        HashMapCache cache = new HashMapCache();

        MatcherAssert.assertThat(
                cache.getAllPresent(Arrays.asList(testId1, testId2, testId3)),
                ExtraMatchers.<UUID, Profile>hasSize(0));

        cache.putAll(Arrays.asList(
                new Profile(testId1, "test1"),
                new Profile(testId2, "test2")));

        assertThat(
                cache.getAllPresent(Arrays.asList(testId1)),
                allOf(
                        ExtraMatchers.<UUID, Profile>hasSize(1),
                        hasEntry(testId1, new Profile(testId1, "test1"))));

        assertThat(
                cache.getAllPresent(Arrays.asList(testId1, testId2, testId3)),
                allOf(
                        ExtraMatchers.<UUID, Profile>hasSize(2),
                        hasEntry(testId1, new Profile(testId1, "test1")),
                        hasEntry(testId2, new Profile(testId2, "test2"))));

        cache.put(new Profile(testId1, "test1_2"));

        assertThat(
                cache.getAllPresent(Arrays.asList(testId1, testId2, testId3)),
                allOf(
                        ExtraMatchers.<UUID, Profile>hasSize(2),
                        hasEntry(testId1, new Profile(testId1, "test1_2")),
                        hasEntry(testId2, new Profile(testId2, "test2"))));

        cache.put(new Profile(testId3, "test3"));

        assertThat(
                cache.getAllPresent(Arrays.asList(testId1, testId2, testId3)),
                allOf(
                        ExtraMatchers.<UUID, Profile>hasSize(3),
                        hasEntry(testId1, new Profile(testId1, "test1_2")),
                        hasEntry(testId2, new Profile(testId2, "test2")),
                        hasEntry(testId3, new Profile(testId3, "test3"))));

        assertThat(
                cache.getIfPresent(testId1),
                equalTo(new Profile(testId1, "test1_2")));

        assertThat(
                cache.getIfPresent(testId3),
                equalTo(new Profile(testId3, "test3")));

        assertThat(
                cache.getAllPresent(Arrays.asList(testId1, testId3)),
                allOf(
                        ExtraMatchers.<UUID, Profile>hasSize(2),
                        hasEntry(testId1, new Profile(testId1, "test1_2")),
                        hasEntry(testId3, new Profile(testId3, "test3"))));

        assertThat(
                cache.getIfPresent(UUID.randomUUID()),
                equalTo(null));
    }

}