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package forge
import java.io.FileOutputStream
import java.util.jar.JarEntry
import ammonite.ops._
import forge.util.{Args, OSet, PathRef}
import utest._
object JavaCompileJarTests extends TestSuite{
def compileAll(sources: Target[Seq[PathRef]]) = {
new Target.Subprocess(
Seq(sources),
args =>
Seq("javac") ++
args[Seq[PathRef]](0).map(_.path.toString) ++
Seq("-d", args.dest.toString)
).map(_.dest)
}
case class jarUp(roots: Target[PathRef]*) extends Target[PathRef]{
val inputs = roots
def evaluate(args: Args): PathRef = {
val output = new java.util.jar.JarOutputStream(new FileOutputStream(args.dest.toIO))
for{
root0 <- args.args
root = root0.asInstanceOf[PathRef]
path <- ls.rec(root.path)
if path.isFile
}{
val relative = path.relativeTo(root.path)
output.putNextEntry(new JarEntry(relative.toString))
output.write(read.bytes(path))
}
output.close()
PathRef(args.dest)
}
}
val tests = Tests{
'javac {
val workspacePath = pwd / 'target / 'workspace / 'javac
val javacSrcPath = pwd / 'core / 'src / 'test / 'examples / 'javac
val javacDestPath = workspacePath / 'src
mkdir(pwd / 'target / 'workspace / 'javac)
cp(javacSrcPath, javacDestPath)
object Build extends Target.Cacher{
def sourceRootPath = javacDestPath / 'src
def resourceRootPath = javacDestPath / 'resources
// sourceRoot -> allSources -> classFiles
// |
// v
// resourceRoot ----> jar
def sourceRoot = T{ Target.path(sourceRootPath) }
def resourceRoot = T{ Target.path(resourceRootPath) }
def allSources = T{ ls.rec(sourceRoot().path).map(PathRef(_)) }
def classFiles = T{ compileAll(allSources) }
def jar = T{ jarUp(resourceRoot, classFiles) }
}
import Build._
val mapping = Discovered.mapping(Build)
def check(targets: OSet[Target[_]], expected: OSet[Target[_]]) = {
val evaluator = new Evaluator(workspacePath, mapping)
val evaluated = evaluator.evaluate(targets).evaluated.filter(mapping.contains)
assert(evaluated == expected)
}
def append(path: Path, txt: String) = ammonite.ops.write.append(path, txt)
check(
targets = OSet(jar),
expected = OSet(resourceRoot, sourceRoot, allSources, classFiles, jar)
)
// Re-running with no changes results in nothing being evaluated
check(targets = OSet(jar), expected = OSet())
// Appending an empty string gets ignored due to file-content hashing
append(sourceRootPath / "Foo.java", "")
check(targets = OSet(jar), expected = OSet())
// Appending whitespace forces a recompile, but the classfilesend up
// exactly the same so no re-jarring.
append(sourceRootPath / "Foo.java", " ")
check(targets = OSet(jar), expected = OSet(sourceRoot, allSources, classFiles))
// Appending a new class changes the classfiles, which forces us to
// re-create the final jar
append(sourceRootPath / "Foo.java", "\nclass FooTwo{}")
check(targets = OSet(jar), expected = OSet(sourceRoot, allSources, classFiles, jar))
// Tweaking the resources forces rebuild of the final jar, without
// recompiling classfiles
append(resourceRootPath / "hello.txt", " ")
check(targets = OSet(jar), expected = OSet(resourceRoot, jar))
// Asking for an intermediate target forces things to be build up to that
// target only; these are re-used for any downstream targets requested
append(sourceRootPath / "Bar.java", "\nclass BarTwo{}")
append(resourceRootPath / "hello.txt", " ")
check(targets = OSet(classFiles), expected = OSet(sourceRoot, allSources, classFiles))
check(targets = OSet(jar), expected = OSet(resourceRoot, jar))
check(targets = OSet(allSources), expected = OSet())
append(sourceRootPath / "Bar.java", "\nclass BarThree{}")
append(resourceRootPath / "hello.txt", " ")
check(targets = OSet(resourceRoot), expected = OSet(resourceRoot))
check(targets = OSet(allSources), expected = OSet(sourceRoot, allSources))
check(targets = OSet(jar), expected = OSet(classFiles, jar))
val jarContents = %%('jar, "-tf", workspacePath/'jar)(workspacePath).out.string
val expectedJarContents =
"""hello.txt
|test/Bar.class
|test/BarThree.class
|test/BarTwo.class
|test/Foo.class
|test/FooTwo.class
|""".stripMargin
assert(jarContents == expectedJarContents)
val executed = %%('java, "-cp", workspacePath/'jar, "test.Foo")(workspacePath).out.string
assert(executed == (31337 + 271828) + "\n")
}
}
}
|
