Merge pull request #55 from mduesterhoeft/coverage-plugin

Coverage for gradle plugin

Author: mduesterhoeft

build.gradle.kts

@@ -56,12 +56,10 @@ allprojects {
         apply(plugin = "jacoco")
         apply(plugin = "maven-publish")
         apply(plugin = "org.jmailen.kotlinter")
-
     }
 }
 
 
-
 subprojects {
 
     val jacksonVersion by extra { "2.9.5" }

restdocs-api-spec-gradle-plugin/build.gradle.kts

@@ -26,6 +26,8 @@ gradlePlugin {
 val jacksonVersion: String by extra
 val junitVersion: String by extra
 
+val jacocoRuntime by configurations.creating
+
 dependencies {
     compileOnly(gradleKotlinDsl())
 
@@ -44,4 +46,22 @@ dependencies {
     testImplementation("com.jayway.jsonpath:json-path:2.4.0")
 
     testCompile(gradleTestKit())
+
+    jacocoRuntime("org.jacoco:org.jacoco.agent:0.8.2:runtime")
+}
+
+// generate gradle properties file with jacoco agent configured
+// see https://discuss.gradle.org/t/testkit-jacoco-coverage/18792
+val createTestKitFiles by tasks.creating {
+    val outputDir = project.file("$buildDir/testkit")
+
+    inputs.files(jacocoRuntime)
+    outputs.dir(outputDir)
+
+    doLast {
+        outputDir.mkdirs()
+        file("$outputDir/testkit-gradle.properties").writeText("org.gradle.jvmargs=-javaagent:${jacocoRuntime.asPath}=destfile=$buildDir/jacoco/test.exec")
+    }
 }
+
+tasks["test"].dependsOn(createTestKitFiles)

restdocs-api-spec-gradle-plugin/src/test/kotlin/com/epages/restdocs/apispec/gradle/RestdocsOpenApiTaskTestBase.kt

@@ -46,6 +46,8 @@ abstract class RestdocsOpenApiTaskTestBase {
             buildFile = resolve("build.gradle").toFile()
             snippetsFolder = resolve("build/generated-snippets").toFile().apply { mkdirs() }
             outputFolder = resolve("build/openapi").toFile()
+
+            initializeGradleProperties()
         }
     }
 
@@ -245,4 +247,10 @@ abstract class RestdocsOpenApiTaskTestBase {
 
     protected fun outputFileContext(): DocumentContext =
         JsonPath.parse(outputFolder.resolve("$outputFileNamePrefix.$format").readText().also { println(it) })
+
+    private fun Path.initializeGradleProperties() {
+        // jacoco agent configuration
+        resolve("gradle.properties").toFile()
+            .writeText(File("build/testkit/testkit-gradle.properties").readText())
+    }
 }

samples/restdocs-api-spec-sample/build.gradle

@@ -10,7 +10,7 @@ buildscript {
 	}
 	dependencies {
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
-		classpath("com.epages:restdocs-api-spec-gradle-plugin:0.0.6")
+		classpath("com.epages:restdocs-api-spec-gradle-plugin:0.5.0")
 	}
 }
 
@@ -42,7 +42,7 @@ dependencies {
 	testCompile('org.springframework.boot:spring-boot-starter-test')
 	testCompile('org.springframework.restdocs:spring-restdocs-mockmvc')
 
-	testCompile('com.epages:restdocs-api-spec:0.0.6')
+	testCompile('com.epages:restdocs-api-spec:0.5.0')
 	//testCompile project(':restdocs-api-spec') //enable for depending on the submodule directly
 	testCompile('com.google.guava:guava:23.0')
 }