Extract out `ScriptTestSuite` from `IntegrationTestSuite` and use it to create a version of `JavaCompilerJarTests` that runs through our main method & script runner.

This should let us catch a lot of bugs with `MainRunner` and friends quickly, without needing to run the slow integration tests

1 files changed, 23 insertions, 0 deletions

diff --git a/core/test/resources/examples/javac/build.sc b/core/test/resources/examples/javac/build.sc
new file mode 100644
index 00000000..4a0882c6
--- /dev/null
+++ b/core/test/resources/examples/javac/build.sc
@@ -0,0 +1,23 @@
+import ammonite.ops._
+import mill.T
+import mill.eval.JavaCompileJarTests.compileAll
+import mill.eval.PathRef
+import mill.modules.Jvm
+import mill.util.Loose
+
+def sourceRootPath = basePath / 'src
+def resourceRootPath = basePath / 'resources
+
+// sourceRoot -> allSources -> classFiles
+//                                |
+//                                v
+//           resourceRoot ---->  jar
+def sourceRoot = T.source{ sourceRootPath }
+def resourceRoot = T.source{ resourceRootPath }
+def allSources = T{ ls.rec(sourceRoot().path).map(PathRef(_)) }
+def classFiles = T{ compileAll(allSources()) }
+def jar = T{ Jvm.createJar(Loose.Agg(resourceRoot().path, classFiles().path)) }
+
+def run(mainClsName: String) = T.command{
+  %%('java, "-cp", classFiles().path, mainClsName)(T.ctx().dest)
+}