build.gradle

// For Travis-CI
// We use a multi-project build to run tests on Travis-CI.
// Non-Gradle projects are configured here, so we can execute command-line stuff.

def addShellPrefix = { command ->
    def commandArray = new String[3]
    commandArray[0] = "sh"
    commandArray[1] = "-c"
    commandArray[2] = command
    return commandArray
}

def runCommand = { command, workingDir ->
    def process = new ProcessBuilder(addShellPrefix(command))
                                    .directory(workingDir)
                                    .redirectErrorStream(true) 
                                    .start()
    process.inputStream.eachLine {println it}
    process.waitFor()
    return process.exitValue()
}

configure(subprojects.find {it.name == 'python'}) {
    task test << {
        def retVal = runCommand("python test_gol.py", projectDir)
        assert retVal == 0
        println "tests passed"
    }
}

configure(subprojects.find {it.name == 'ruby'}) {
    task test << {
        def retVal = runCommand("rake test", projectDir)
        assert retVal == 0
        println "tests passed"
    }
}