Merge pull request #5 from neboskreb/feature/3-junit-extension-for-initialization-of-the-log-config

Feature/3 junit extension for initialization of the log config

Author: neboskreb

examples/app/build.gradle

@@ -60,7 +60,7 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter'
     testImplementation 'org.junit.platform:junit-platform-launcher'
 
-
+    androidTestImplementation testFixtures(project(":library"))
     androidTestImplementation 'androidx.test.ext:junit:1.2.1'
     androidTestImplementation platform('org.junit:junit-bom:5.12.2')
     androidTestImplementation "org.junit.jupiter:junit-jupiter-api"

examples/app/src/androidTest/java/com/github/neboskreb/log4j2/examples/app/GreatManagerAndroidTest.java

@@ -1,17 +1,12 @@
 package com.github.neboskreb.log4j2.examples.app;
 
-import androidx.test.platform.app.InstrumentationRegistry;
 import com.github.neboskreb.log4j2.examples.lib.AwesomeWorker;
-import net.loune.log4j2android.AndroidLog4jHelper;
-import org.junit.jupiter.api.BeforeAll;
+import net.loune.log4j2android.AndroidLog4jExtension;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
 
+@ExtendWith(AndroidLog4jExtension.class)
 public class GreatManagerAndroidTest {
-    @BeforeAll
-    public static void beforeAll() {
-        AndroidLog4jHelper.initialize(InstrumentationRegistry.getInstrumentation());
-    }
-
 
     @Test
     public void onLogFatalMessageClicked() {

examples/lib/build.gradle

@@ -50,6 +50,7 @@ dependencies {
 
 
     androidTestImplementation(project(":library"))
+    androidTestImplementation testFixtures(project(":library"))
     androidTestImplementation 'androidx.test:core:1.6.1'
     androidTestImplementation 'androidx.test:runner:1.6.2'
     androidTestImplementation 'androidx.test.ext:junit:1.2.1'

examples/lib/src/androidTest/java/com/github/neboskreb/log4j2/examples/lib/AwesomeWorkerAndroidTest.java

@@ -1,18 +1,13 @@
 package com.github.neboskreb.log4j2.examples.lib;
 
-import androidx.test.platform.app.InstrumentationRegistry;
-import net.loune.log4j2android.AndroidLog4jHelper;
-import org.junit.jupiter.api.BeforeAll;
+import net.loune.log4j2android.AndroidLog4jExtension;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
+@ExtendWith(AndroidLog4jExtension.class)
 public class AwesomeWorkerAndroidTest {
-    @BeforeAll
-    static void beforeAll() {
-        AndroidLog4jHelper.initialize(InstrumentationRegistry.getInstrumentation());
-    }
-
 
     @Test
     public void doGreatJob() {

library/build.gradle

@@ -47,6 +47,10 @@ android {
         }
     }
 
+    testFixtures {
+        enable = true
+    }
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_11
         targetCompatibility JavaVersion.VERSION_11
@@ -82,6 +86,15 @@ dependencies {
     // ==== /Lombok
 
 
+    testFixturesImplementation 'androidx.test.ext:junit:1.2.1'
+    testFixturesImplementation 'androidx.annotation:annotation:1.9.1'
+    testFixturesImplementation 'com.google.code.findbugs:jsr305:3.0.2'
+    testFixturesImplementation platform('org.junit:junit-bom:5.12.2')
+    testFixturesImplementation 'org.junit.jupiter:junit-jupiter-api'
+    testFixturesImplementation 'org.junit.jupiter:junit-jupiter'
+    testFixturesRuntimeOnly    'org.junit.platform:junit-platform-launcher'
+
+
     testImplementation platform('org.junit:junit-bom:5.12.2')
     testImplementation 'org.junit.jupiter:junit-jupiter-api'
     testImplementation 'org.junit.jupiter:junit-jupiter'

library/src/testFixtures/java/net/loune/log4j2android/AndroidLog4jExtension.java

@@ -0,0 +1,17 @@
+package net.loune.log4j2android;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import org.junit.jupiter.api.extension.BeforeAllCallback;
+import org.junit.jupiter.api.extension.ExtensionContext;
+
+public class AndroidLog4jExtension implements BeforeAllCallback {
+    private static boolean isInitialized;
+
+    @Override
+    public void beforeAll(ExtensionContext context) throws Exception {
+        if (!isInitialized) {
+            isInitialized = true;
+            AndroidLog4jHelper.initialize(InstrumentationRegistry.getInstrumentation());
+        }
+    }
+}