Set up JaCoCo Code Coverage, update Gradle wrapper (#756)

* Set JaCoCo Codecoverage, fix web build file, remove unused import, upgrade gradle wrapper

core/src/test/java/com/microsoft/applicationinsights/channel/concrete/localforwarder/LocalForwarderModelTransformerUtilityTests.java

@@ -1,9 +1,10 @@
 package com.microsoft.applicationinsights.channel.concrete.localforwarder;
 
+import static org.junit.Assert.assertEquals;
+
 import com.google.protobuf.BoolValue;
 import com.google.protobuf.DoubleValue;
 import com.google.protobuf.Duration;
-import com.microsoft.applicationinsights.internal.schemav2.Envelope;
 import com.microsoft.applicationinsights.internal.util.LocalStringsUtils;
 import com.microsoft.applicationinsights.telemetry.BaseSampleSourceTelemetry;
 import com.microsoft.applicationinsights.telemetry.BaseTelemetry;
@@ -21,20 +22,14 @@
 import com.microsoft.localforwarder.library.inputs.contracts.SeverityLevel;
 import com.microsoft.localforwarder.library.inputs.contracts.StackFrame;
 import com.microsoft.localforwarder.library.inputs.contracts.Telemetry;
-import org.apache.commons.lang3.RandomStringUtils;
-import org.junit.*;
-import org.mockito.internal.matchers.Null;
-import sun.misc.Perf;
-
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Random;
-import java.util.UUID;
-
-import static org.junit.Assert.assertEquals;
+import org.apache.commons.lang3.RandomStringUtils;
+import org.junit.Test;
 
 /**
  * Testing the utility methods in {@link LocalForwarderModelTransformer}

gradle/common-java.gradle

@@ -26,12 +26,24 @@ import org.gradle.api.tasks.testing.logging.TestLogEvent;
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat;
 
 apply plugin: 'java'
+apply plugin: 'jacoco'
 
 tasks.withType(JavaCompile) {
     sourceCompatibility = 1.7
     targetCompatibility = 1.7
 }
 
+jacoco {
+    toolVersion = "0.8.2"
+}
+
+jacocoTestReport {
+    reports {
+        xml.enabled true
+        html.enabled true
+    }
+}
+
 if (hasProperty("JDKToUse")) {
     logger.info("using $JDKToUse to compile and run tests")
     def javaExecutablesPath = new File(JDKToUse, 'bin')

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Fri Feb 09 18:53:31 PST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.2-bin.zip

web/build.gradle

@@ -46,6 +46,7 @@ dependencies {
     testCompile group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.1'
     testCompile group: 'org.json', name:'json', version:'20090211'
     testCompile group: 'com.microsoft.azure', name: 'azure-storage', version: '2.1.0'
+    testCompile group: 'com.google.guava', name: 'guava', version: '20.0'
 }
 
 shadowJar {