protected PlayApp playApp

    def setup() {
        playApp = new BasicPlayApp(versionNumber)
        writeSources()
        buildTimeout = 90
    }

    TestFile getPlayRunBuildFile() {
        buildFile
    }

    def writeSources() {
        playApp.writeSources(testDirectory)

        playRunBuildFile << """
            runPlay {
                httpPort = 0

            }
        """
        writeBuildLogicPlugin()
        writeGreetTask "GreetTask", ORIGINAL_GREETING
        switch (kind) {
            case Kind.CHANGE_RESOURCE:
                writeResource ""
                break
        }
    }

    void applyChange() {
        switch (kind) {
            case Kind.CHANGE_SOURCE:
                writeGreetTask "GreetTask", CHANGED_GREETING

        URL resource = getClass().getResource("$baseDir/$path/$name");
        File file = new File(resource.toURI())
        return new SourceFile(path, name, file.text);
    }

    void writeSources(TestFile sourceDir) {
        gradleBuild.writeToDir(sourceDir)
        for (SourceFile srcFile : allFiles) {
            srcFile.writeToDir(sourceDir)
        }
    }

			continue
		}
		inlFns = append(inlFns, fnLines)
	}

	sort.Sort(ssa.ByTopo(inlFns))
	if targetFn != nil {
		inlFns = append([]*ssa.FuncLines{targetFn}, inlFns...)
	}

	writer.WriteSources("sources", inlFns)
}

func readFuncLines(file string, start, end uint) (*ssa.FuncLines, error) {
	f, err := os.Open(os.ExpandEnv(file))
	if err != nil {
		return nil, err
	}
	defer f.Close()