Add a test configuration plugin to simplify testing

base-plugin/build.gradle

@@ -1,4 +1,10 @@
-archivesBaseName = 'jruby-gradle-plugin'
+import org.gradle.plugins.ide.idea.model.IdeaModel
+import org.gradle.plugins.ide.idea.model.IdeaModule
+
+archivesBaseName = 'jruby-gradle-plugin' // TODO: FIX !!
+
+apply plugin: TestConfigPlugin
+apply plugin: 'java-gradle-plugin'
 apply from: "${rootProject.projectDir}/gradle/integration-tests.gradle"
 
 apply plugin: 'maven-publish'
@@ -9,6 +15,8 @@ configurations {
 }
 
 ext {
+    flatRepoDir = file("${buildDir}/tmp/integrationTest/flatRepo")
+
     jrubyClassPathFromConfiguration = { Configuration cfg ->
         def f = cfg.files.find { it.name.startsWith('jruby-complete-') }
         return  f?.absolutePath
@@ -80,6 +88,11 @@ test {
     }
 }
 
+generateTestConfig {
+    testProperties mavenrepo: file('src/integTest/mavenrepo').absolutePath,
+        flatrepo: flatRepoDir.absolutePath
+}
+
 task copyIntegrationTestJRuby (type:Copy) {
     from ({configurations.testJRubyPrepare.files})
     into new File(buildDir,'tmp/integrationTest/flatRepo')
@@ -152,3 +165,4 @@ bintrayUpload.dependsOn assemble
 
 gradleTest.mustRunAfter integrationTest
 // vim: ft=groovy
+

buildSrc/build.gradle

@@ -0,0 +1,8 @@
+plugins {
+    id 'groovy'
+}
+
+dependencies {
+    compile localGroovy()
+    compile gradleApi()
+}

buildSrc/src/main/groovy/TestConfigPlugin.groovy

@@ -0,0 +1,48 @@
+import groovy.transform.CompileDynamic
+import groovy.transform.CompileStatic
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.api.plugins.GroovyPlugin
+import org.gradle.api.tasks.Copy
+import org.gradle.api.tasks.SourceSet
+import org.gradle.api.tasks.SourceSetContainer
+import org.gradle.api.tasks.TaskContainer
+
+@CompileStatic
+class TestConfigPlugin implements Plugin<Project> {
+    @Override
+    void apply(Project project) {
+
+        project.apply plugin: GroovyPlugin
+
+        SourceSetContainer sourceSets = getSourceSets(project)
+        TestConfigTask generateTestConfig = project.tasks.create('generateTestConfig', TestConfigTask)
+
+        generateTestConfig.with {
+            group = 'verification'
+            description = 'Create property file readable by tests.'
+        }
+
+        sourceSets.all { SourceSet it ->
+            configureSourceSet(it, generateTestConfig)
+        }
+
+        sourceSets.whenObjectAdded { SourceSet it ->
+            configureSourceSet(it, generateTestConfig)
+        }
+    }
+
+    @CompileDynamic
+    SourceSetContainer getSourceSets(Project project) {
+        project.sourceSets
+    }
+
+    static void configureSourceSet(SourceSet sourceSet, TestConfigTask generateTestConfig) {
+        if (sourceSet.name != 'main') {
+            Project project = generateTestConfig.project
+            TaskContainer tasks = project.tasks
+            Copy processResources = (Copy) tasks.getByName(sourceSet.getProcessResourcesTaskName())
+            processResources.from generateTestConfig
+        }
+    }
+}

buildSrc/src/main/groovy/TestConfigTask.groovy

@@ -0,0 +1,34 @@
+import groovy.transform.CompileStatic
+import org.gradle.api.DefaultTask
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.OutputFile
+import org.gradle.api.tasks.TaskAction
+
+@CompileStatic
+class TestConfigTask extends DefaultTask {
+
+    TestConfigTask() {
+        outputFile = project.file( "${project.buildDir}/.testconfig/jruby-gradle-testconfig.properties")
+
+        onlyIf { testProperties.size() }
+    }
+
+    @Input
+    final Map<String,String> testProperties = [:]
+
+    void testProperties(Map<String,String> props) {
+        this.testProperties.putAll(props)
+    }
+
+    @OutputFile
+    File outputFile
+
+    @TaskAction
+    void exec() {
+        Properties props = new Properties()
+        props.putAll(testProperties)
+        outputFile.withOutputStream { strm ->
+            props.store(strm,'')
+        }
+    }
+}