/*********************************************************************
 * Sangria                                                           *
 * Copyright (C) 2014 Tavian Barnes <tavianator@tavianator.com>      *
 *                                                                   *
 * This library is free software. It comes without any warranty, to  *
 * the extent permitted by applicable law. You can redistribute it   *
 * and/or modify it under the terms of the Do What The Fuck You Want *
 * To Public License, Version 2, as published by Sam Hocevar. See    *
 * the COPYING file or http://www.wtfpl.net/ for more details.       *
 *********************************************************************/

package com.tavianator.sangria.slf4j;

import javax.inject.Inject;
import javax.inject.Provider;

import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Provides;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;

import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;

/**
 * Tests for {@link SangriaSlf4jModule}.
 *
 * @author Tavian Barnes (tavianator@tavianator.com)
 * @version 1.0
 * @since 1.0
 */
public class SangriaSlf4jModuleTest {
    @Inject Logger logger;
    @Inject Provider<Logger> provider;

    @Before
    public void setUp() {
        Guice.createInjector(new SangriaSlf4jModule()).injectMembers(this);
    }

    @Test
    public void testLogger() {
        assertThat(logger.getName(), equalTo("com.tavianator.sangria.slf4j.SangriaSlf4jModuleTest"));
    }

    @Test
    public void testProvider() {
        assertThat(provider.get().getName(), equalTo(Logger.ROOT_LOGGER_NAME));
    }

    @Test
    public void testProviderMethod() {
        Injector injector = Guice.createInjector(new AbstractModule() {
            @Override
            protected void configure() {
                install(new SangriaSlf4jModule());
            }

            @Provides
            String getLoggerName(Logger logger) {
                return logger.getName();
            }
        });

        assertThat(injector.getInstance(String.class), equalTo(Logger.ROOT_LOGGER_NAME));
    }

    @Test
    public void testDeDuplication() {
        Guice.createInjector(new SangriaSlf4jModule(), new SangriaSlf4jModule());
    }
}