/
scalautilsScalaz.scala
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/
scalautilsScalaz.scala
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import java.net._
import java.io._
import java.nio.channels.Channels
import scala.annotation.tailrec
def scalaVersion = "2.10"
val scalautilsVersion = "2.0"
val scalazVersion = "7.0.4"
def downloadFile(urlString: String, targetFile: File) {
println("Downloading " + urlString)
val url = new URL(urlString)
val connection = url.openConnection
val in = connection.getInputStream
val out = new FileOutputStream(targetFile)
out getChannel() transferFrom(Channels.newChannel(in), 0, Long.MaxValue)
in.close()
out.flush()
out.close()
}
def generateSourceFile(testCount: Int, targetDir: File, packageName: String, importStatements: Array[String],
equalFun: (Int) => String): File = {
targetDir.mkdirs()
val targetFile = new File(targetDir, "ExampleSpec.scala")
val targetOut = new BufferedWriter(new FileWriter(targetFile))
try {
targetOut.write("package " + packageName + "\n\n")
importStatements.foreach { s =>
targetOut.write("import " + s + "\n")
}
targetOut.write("\n")
targetOut.write("class ExampleSpec {\n")
for (x <- 1 to testCount)
targetOut.write(" " + equalFun(x) + "\n")
targetOut.write("}\n")
}
finally {
targetOut.flush()
targetOut.close()
}
targetFile
}
def equalFun(x: Int): String = x + " + 1 === " + (x+1)
def compile(srcFile: String, classpath: String, targetDir: String) = {
import scala.collection.JavaConversions._
val command = List("scalac", "-classpath", classpath, "-d", targetDir, srcFile)
val builder = new ProcessBuilder(command)
builder.redirectErrorStream(true)
val start = System.currentTimeMillis
val process = builder.start()
val stdout = new BufferedReader(new InputStreamReader(process.getInputStream))
var line = "Compiling " + srcFile + "..."
while (line != null) {
println (line)
line = stdout.readLine
}
val end = System.currentTimeMillis
end - start
}
def getFileAndByteCount(srcDir: File) = {
@tailrec
def getFileAndByteCountAcc(dirList: Array[File], fileCount: Long, byteCount: Long): Tuple2[Long, Long] = {
val (files, subDirs) = dirList.partition(_.isFile)
val classFiles = files.filter(f => f.getName.endsWith(".class"))
val newFileCount = fileCount + classFiles.size
val newByteCount = byteCount + classFiles.map { f => f.length.toLong }.foldLeft(0l) { (a, b) => a + b }
if (subDirs.isEmpty)
(newFileCount, newByteCount)
else
getFileAndByteCountAcc(subDirs.flatMap(d => d.listFiles), newFileCount, newByteCount)
}
getFileAndByteCountAcc(srcDir.listFiles, 0l, 0l)
}
def deleteDir(targetDir: File) {
val children = targetDir.listFiles
if (children != null) {
targetDir.listFiles.foreach { child =>
if (child.isFile)
child.delete()
else
deleteDir(child)
}
targetDir.delete()
}
else
println("Unable to list files in " + targetDir.getAbsolutePath)
}
def getOutputDir(baseOutputDir: File, testCount: Int): File = {
val outputDirName = "output-" + testCount
val outputDir = new File(baseOutputDir, outputDirName)
outputDir.mkdirs()
outputDir
}
val scalautilsJar = new File("scalautils_" + scalaVersion + "-" + scalautilsVersion + ".jar")
if (!scalautilsJar.exists)
downloadFile("https://oss.sonatype.org/content/repositories/releases/org/scalautils/scalautils_" + scalaVersion + "/" + scalautilsVersion + "/scalautils_" + scalaVersion + "-" + scalautilsVersion + ".jar", scalautilsJar)
val scalazJar = new File("scalaz-core_" + scalaVersion + "-" + scalazVersion + ".jar")
if (!scalazJar.exists)
downloadFile("https://oss.sonatype.org/content/repositories/releases/org/scalaz/scalaz-core_" + scalaVersion + "/" + scalazVersion + "/scalaz-core_" + scalaVersion + "-" + scalazVersion + ".jar", scalazJar)
val baseDir = new File("scalautilsScalaz")
if (baseDir.exists)
deleteDir(baseDir)
val statDir = new File(baseDir, "stat")
statDir.mkdirs()
val durationFile = new FileWriter(new File(statDir, "duration.csv"))
val fileCountFile = new FileWriter(new File(statDir, "filecount.csv"))
val fileSizeFile = new FileWriter(new File(statDir, "filesize.csv"))
val baseOutputDir = new File(baseDir, "output")
baseOutputDir.mkdirs()
val baseGeneratedDir = new File(baseDir, "generated")
baseGeneratedDir.mkdirs()
val scalautilsClasspath = scalautilsJar.getName
val scalazClasspath = scalazJar.getName
val testCounts =
Array(
0,
10,
20,
30,
40,
50,
60,
70,
80,
90,
100,
200,
300,
400,
500,
600,
700,
800,
900,
1000
)
val headers = "TestCount," + testCounts.mkString(",") + "\n"
durationFile.write(headers)
fileCountFile.write(headers)
fileSizeFile.write(headers)
durationFile.write("scalautils")
durationFile.flush()
fileCountFile.write("scalautils")
fileCountFile.flush()
fileSizeFile.write("scalautils")
fileSizeFile.flush()
testCounts.foreach { testCount =>
println("Working on scalautils test count " + testCount + "...")
val outputDir = getOutputDir(baseOutputDir, testCount)
val generatedDir = new File(baseGeneratedDir, "generated-" + testCount)
val generatedSrc = generateSourceFile(
testCount,
new File(generatedDir, "scalautils"), // target dir
"scalautils", // package name
Array("org.scalautils.TypeCheckedTripleEquals._"), // imports
equalFun)
val duration = compile(generatedSrc.getAbsolutePath, scalautilsClasspath, outputDir.getAbsolutePath)
durationFile.write("," + duration)
durationFile.flush()
val (fileCount, fileSize) = getFileAndByteCount(new File(outputDir, "scalautils"))
fileCountFile.write("," + fileCount)
fileCountFile.flush()
fileSizeFile.write("," + fileSize)
fileSizeFile.flush()
}
durationFile.write("\n")
durationFile.flush()
fileCountFile.write("\n")
fileCountFile.flush()
fileSizeFile.write("\n")
fileSizeFile.flush()
durationFile.write("scalaz")
durationFile.flush()
fileCountFile.write("scalaz")
fileCountFile.flush()
fileSizeFile.write("scalaz")
fileSizeFile.flush()
testCounts.foreach { testCount =>
println("Working on scalaz test count " + testCount + "...")
val outputDir = getOutputDir(baseOutputDir, testCount)
val generatedDir = new File(baseGeneratedDir, "generated-" + testCount)
val generatedSrc = generateSourceFile(
testCount,
new File(generatedDir, "scalaz"), // target dir
"scalaz", // package name
Array("Scalaz._"), // imports
equalFun)
val duration = compile(generatedSrc.getAbsolutePath, scalazClasspath, outputDir.getAbsolutePath)
durationFile.write("," + duration)
durationFile.flush()
val (fileCount, fileSize) = getFileAndByteCount(new File(outputDir, "scalaz"))
fileCountFile.write("," + fileCount)
fileCountFile.flush()
fileSizeFile.write("," + fileSize)
fileSizeFile.flush()
}
durationFile.flush()
durationFile.close()
fileCountFile.flush()
fileCountFile.close()
fileSizeFile.flush()
fileSizeFile.close()