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diff --git a/sangria-slf4j/src/test/java/com/tavianator/sangria/slf4j/SangriaSlf4jModuleTest.java b/sangria-slf4j/src/test/java/com/tavianator/sangria/slf4j/SangriaSlf4jModuleTest.java
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+++ b/sangria-slf4j/src/test/java/com/tavianator/sangria/slf4j/SangriaSlf4jModuleTest.java
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+/*********************************************************************
+ * 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());
+ }
+}