3 files changed, 15 insertions, 2 deletions
diff --git a/sangria-slf4j/pom.xml b/sangria-slf4j/pom.xml
index c274a47..53cbfb7 100644
--- a/sangria-slf4j/pom.xml
+++ b/sangria-slf4j/pom.xml
@@ -39,6 +39,12 @@
         </dependency>
 
         <dependency>
+            <groupId>com.tavianator.sangria</groupId>
+            <artifactId>sangria-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
             <scope>test</scope>
diff --git a/sangria-slf4j/src/main/java/com/tavianator/sangria/slf4j/Slf4jLoggerProvider.java b/sangria-slf4j/src/main/java/com/tavianator/sangria/slf4j/Slf4jLoggerProvider.java
index 916f2b9..bcb7e8b 100644
--- a/sangria-slf4j/src/main/java/com/tavianator/sangria/slf4j/Slf4jLoggerProvider.java
+++ b/sangria-slf4j/src/main/java/com/tavianator/sangria/slf4j/Slf4jLoggerProvider.java
@@ -19,6 +19,7 @@ package com.tavianator.sangria.slf4j;
 
 import javax.inject.Singleton;
 
+import com.google.inject.Inject;
 import com.google.inject.spi.InjectionPoint;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -34,6 +35,10 @@ import com.tavianator.sangria.contextual.ContextSensitiveProvider;
  */
 @Singleton
 class Slf4jLoggerProvider implements ContextSensitiveProvider<Logger> {
+    @Inject
+    Slf4jLoggerProvider() {
+    }
+
     @Override
     public Logger getInContext(InjectionPoint injectionPoint) {
         return LoggerFactory.getLogger(injectionPoint.getDeclaringType().getRawType());
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
index d142bde..aaf72b2 100644
--- a/sangria-slf4j/src/test/java/com/tavianator/sangria/slf4j/SangriaSlf4jModuleTest.java
+++ b/sangria-slf4j/src/test/java/com/tavianator/sangria/slf4j/SangriaSlf4jModuleTest.java
@@ -28,6 +28,7 @@ import org.junit.Before;
 import org.junit.Test;
 import org.slf4j.Logger;
 
+import static com.tavianator.sangria.test.SangriaMatchers.*;
 import static org.hamcrest.Matchers.*;
 import static org.junit.Assert.*;
 
@@ -75,7 +76,8 @@ public class SangriaSlf4jModuleTest {
     }
 
     @Test
-    public void testDeDuplication() {
-        Guice.createInjector(new SangriaSlf4jModule(), new SangriaSlf4jModule());
+    public void testBestPractices() {
+        assertThat(new SangriaSlf4jModule(), is(atomic()));
+        assertThat(new SangriaSlf4jModule(), followsBestPractices());
     }
 }