first pass at building better-files using Mill

1 files changed, 115 insertions, 0 deletions

diff --git a/scalaplugin/src/test/scala/mill/scalaplugin/BetterFilesTests.scala b/scalaplugin/src/test/scala/mill/scalaplugin/BetterFilesTests.scala
new file mode 100644
index 00000000..f2f3a832
--- /dev/null
+++ b/scalaplugin/src/test/scala/mill/scalaplugin/BetterFilesTests.scala
@@ -0,0 +1,115 @@
+package mill.scalaplugin
+
+import ammonite.ops.ImplicitWd._
+import ammonite.ops._
+import mill.define.{Cross,Task}
+import mill.discover.Discovered
+import mill.eval.Result
+import utest._
+import mill.util.JsonFormatters._
+
+object BetterFilesBuild{
+  trait BetterFilesModule extends ScalaModule{ outer =>
+    def scalaVersion = "2.12.4"
+    override def sources = basePath/'src/'main/'scala
+    override def scalacOptions = Seq(
+      "-deprecation",                      // Emit warning and location for usages of deprecated APIs.
+      "-encoding", "utf-8",                // Specify character encoding used by source files.
+      "-explaintypes",                     // Explain type errors in more detail.
+      "-feature",                          // Emit warning and location for usages of features that should be imported explicitly.
+      "-language:existentials",            // Existential types (besides wildcard types) can be written and inferred
+      "-language:experimental.macros",     // Allow macro definition (besides implementation and application)
+      "-language:higherKinds",             // Allow higher-kinded types
+      "-language:implicitConversions",     // Allow definition of implicit functions called views
+      "-unchecked",                        // Enable additional warnings where generated code depends on assumptions.
+      "-Xcheckinit",                       // Wrap field accessors to throw an exception on uninitialized access.
+      "-Xfatal-warnings",                  // Fail the compilation if there are any warnings.
+      "-Xfuture",                          // Turn on future language features.
+      "-Xlint:adapted-args",               // Warn if an argument list is modified to match the receiver.
+      "-Xlint:by-name-right-associative",  // By-name parameter of right associative operator.
+      "-Xlint:constant",                   // Evaluation of a constant arithmetic expression results in an error.
+      "-Xlint:delayedinit-select",         // Selecting member of DelayedInit.
+      "-Xlint:doc-detached",               // A Scaladoc comment appears to be detached from its element.
+      "-Xlint:inaccessible",               // Warn about inaccessible types in method signatures.
+      "-Xlint:infer-any",                  // Warn when a type argument is inferred to be `Any`.
+      "-Xlint:missing-interpolator",       // A string literal appears to be missing an interpolator id.
+      "-Xlint:nullary-override",           // Warn when non-nullary `def f()' overrides nullary `def f'.
+      "-Xlint:nullary-unit",               // Warn when nullary methods return Unit.
+      "-Xlint:option-implicit",            // Option.apply used implicit view.
+      "-Xlint:package-object-classes",     // Class or object defined in package object.
+      "-Xlint:poly-implicit-overload",     // Parameterized overloaded implicit methods are not visible as view bounds.
+      "-Xlint:private-shadow",             // A private field (or class parameter) shadows a superclass field.
+      "-Xlint:stars-align",                // Pattern sequence wildcard must align with sequence component.
+      "-Xlint:type-parameter-shadow",      // A local type parameter shadows a type already in scope.
+      "-Xlint:unsound-match",              // Pattern match may not be typesafe.
+      "-Yno-adapted-args",                 // Do not adapt an argument list (either by inserting () or creating a tuple) to match the receiver.
+      "-Ypartial-unification",             // Enable partial unification in type constructor inference
+      "-Ywarn-dead-code",                  // Warn when dead code is identified.
+      "-Ywarn-extra-implicit",             // Warn when more than one implicit parameter section is defined.
+      "-Ywarn-inaccessible",               // Warn about inaccessible types in method signatures.
+      "-Ywarn-infer-any",                  // Warn when a type argument is inferred to be `Any`.
+      "-Ywarn-nullary-override",           // Warn when non-nullary `def f()' overrides nullary `def f'.
+      "-Ywarn-nullary-unit",               // Warn when nullary methods return Unit.
+      "-Ywarn-numeric-widen",              // Warn when numerics are widened.
+      "-Ywarn-unused:implicits",           // Warn if an implicit parameter is unused.
+      "-Ywarn-unused:imports",             // Warn if an import selector is not referenced.
+      "-Ywarn-unused:locals",              // Warn if a local definition is unused.
+      "-Ywarn-unused:params",              // Warn if a value parameter is unused.
+      "-Ywarn-unused:patvars",             // Warn if a variable bound in a pattern is unused.
+      "-Ywarn-unused:privates",            // Warn if a private member is unused.
+      "-Ywarn-value-discard"               // Warn when non-Unit expression results are unused.
+    )
+    override def javacOptions = Seq("-source", "1.8", "-target", "1.8", "-Xlint")
+    object test extends this.Tests{
+      override def projectDeps =
+        if (this == Core.test) Seq(Core)
+        else Seq(outer, Core.test)
+      def basePath = outer.basePath
+      override def ivyDeps = Seq(Dep("org.scalatest", "scalatest", "3.0.4"))
+      override def sources = basePath/'src/'test/'scala
+      def testFramework = "org.scalatest.tools.Framework"
+    }
+  }
+  object Core extends BetterFilesModule{
+    def basePath = BetterFilesTests.srcPath/"core"
+  }
+  object Akka extends BetterFilesModule{
+    override def projectDeps = Seq(Core)
+    def basePath = BetterFilesTests.srcPath/"akka"
+    override def ivyDeps = Seq(Dep("com.typesafe.akka", "akka-actor", "2.5.6"))
+  }
+  object ShapelessScanner extends BetterFilesModule{
+    override def projectDeps = Seq(Core)
+    def basePath = BetterFilesTests.srcPath/"shapeless"
+    override def ivyDeps = Seq(Dep("com.chuusai", "shapeless", "2.3.2"))
+  }
+  object Benchmarks extends BetterFilesModule{
+    override def projectDeps = Seq(Core)
+    def basePath = BetterFilesTests.srcPath/"benchmarks"
+    override def ivyDeps = Seq(
+      Dep.Java("commons-io", "commons-io", "2.5")
+      // "fastjavaio" % "fastjavaio" % "1.0" from "https://github.com/williamfiset/FastJavaIO/releases/download/v1.0/fastjavaio.jar"
+    )
+  }
+}
+object BetterFilesTests extends TestSuite{
+  val workspacePath = pwd / 'target / 'workspace / "better-files"
+  val srcPath = pwd / 'scalaplugin / 'src / 'test / 'resource / "better-files"
+  val tests = Tests{
+    rm(workspacePath)
+    mkdir(workspacePath/up)
+    cp(srcPath, workspacePath)
+    val mapping = Discovered.mapping(BetterFilesBuild)
+    def eval[T](t: Task[T]) = TestEvaluator.eval(mapping, workspacePath)(t)
+
+    'test - {
+
+      val Right(_) = eval(BetterFilesBuild.Core.test.test())
+      val Right(_) = eval(BetterFilesBuild.Akka.test.test())
+      val Right(_) = eval(BetterFilesBuild.ShapelessScanner.test.test())
+      // Doesn't work yet, need to support curling down a jar and caching it
+      val Left(_) = eval(BetterFilesBuild.Benchmarks.test.test())
+    }
+
+  }
+}