init-ci.gradle

import groovy.xml.XmlUtil

import java.util.concurrent.atomic.DoubleAdder

File testResultsDir = null

gradle.buildFinished {
	gradle.rootProject.allprojects.each {
		Project project ->

		if (!project.ext.has("targetTaskName") || project.ext.has("reportWritten")) {
			return
		}

		project.ext.reportWritten = true

		_writeReport(
			0.0d, "${project.path}:${project.ext.targetTaskName} was not executed. Please check the logs for details.", "", project.path, testResultsDir)
	}
}

gradle.taskGraph.addTaskExecutionListener(
	new TaskExecutionListener() {

		void afterExecute(Task task, TaskState taskState) {
			Project project = task.project

			if (!project.ext.has("targetTaskName")) {
				return
			}

			if (task.ext.has("startTime")) {
				project.ext.compileDurationAdder.add((System.currentTimeMillis() - task.ext.startTime) / 1000.0d)
			}

			Throwable failure = taskState.failure

			if ((task.name != project.ext.targetTaskName) && (failure == null)) {
				return
			}

			double duration = project.ext.compileDurationAdder.sum()

			project.ext.reportWritten = true

			if (failure == null) {
				_writeReport(duration, null, null, project.path, testResultsDir)
			}
			else {
				StringWriter stringWriter = new StringWriter()

				failure.printStackTrace(new PrintWriter(stringWriter))

				_writeReport(duration, "${task.path} failed. Please check the logs for details.", stringWriter.toString(), project.path, testResultsDir)
			}
		}

		void beforeExecute(Task task) {
			if (task.project.ext.has("targetTaskName")) {
				task.ext.startTime = System.currentTimeMillis()
			}
		}

	})

gradle.taskGraph.whenReady {
	TaskExecutionGraph taskGraph ->

	taskGraph.allTasks.each {
		Task task ->

		if (!(task.name in ["assemble", "compileTestIntegrationJava"])) {
			return
		}

		if (testResultsDir == null) {
			testResultsDir = new File(gradle.rootProject.rootDir, "test-results")

			testResultsDir.mkdirs()
		}

		Project project = task.project

		project.ext.compileDurationAdder = new DoubleAdder()
		project.ext.targetTaskName = task.name
	}
}

private void _writeReport(
	double duration, String failureMessage, String failureStacktrace, String projectPath, File testResultsDir) {

	String className = "modules" + projectPath.replace(":", ".")
	Date date = new Date()
	int failureCount = (failureMessage == null) ? 0 : 1
	String failureElementString = ""

	if (failureMessage != null) {
		failureElementString = "<failure message=\"${XmlUtil.escapeXml(failureMessage)}\">${XmlUtil.escapeXml(failureStacktrace ?: "")}</failure>"
	}

	File file = new File(testResultsDir, "TEST-${className}.xml")

	file.text = """<?xml version="1.0" encoding="UTF-8"?>

		<testsuite errors="${failureCount}" failures="${failureCount}" hostname="localhost" name="${className}" skipped="0" tests="1" time="${duration}" timestamp="${date.format("yyyy-MM-dd_kk:mm:ss")}">
			<properties />
			<testcase classname="${className}" name="assemble" time="${duration}">$failureElementString</testcase>
			<system-out></system-out>
			<system-err></system-err>
		</testsuite>"""
}