First unit tests for `JavaModule`

3 files changed, 75 insertions, 0 deletions

diff --git a/scalalib/test/resources/hello-java/core/src/hello/Core.java b/scalalib/test/resources/hello-java/core/src/hello/Core.java
new file mode 100644
index 00000000..bef1a5a0
--- /dev/null
+++ b/scalalib/test/resources/hello-java/core/src/hello/Core.java
@@ -0,0 +1,8 @@
+package hello;
+
+public class Core{
+    public static String msg(){
+        return "Hello World";
+    }
+
+}
\ No newline at end of file
diff --git a/scalalib/test/resources/hello-java/main/src/hello/Main.java b/scalalib/test/resources/hello-java/main/src/hello/Main.java
new file mode 100644
index 00000000..44b927bd
--- /dev/null
+++ b/scalalib/test/resources/hello-java/main/src/hello/Main.java
@@ -0,0 +1,7 @@
+package hello;
+
+public class Main{
+    public static void main(String[] args){
+        System.out.println(Core.msg() + " " + args[0]);
+    }
+}
\ No newline at end of file
diff --git a/scalalib/test/src/mill/scalalib/HelloJavaTests.scala b/scalalib/test/src/mill/scalalib/HelloJavaTests.scala
new file mode 100644
index 00000000..7794d5a5
--- /dev/null
+++ b/scalalib/test/src/mill/scalalib/HelloJavaTests.scala
@@ -0,0 +1,60 @@
+package mill.scalalib
+
+
+import ammonite.ops.{%, %%, cp, ls, mkdir, pwd, rm, up}
+import ammonite.ops.ImplicitWd._
+import mill.util.{TestEvaluator, TestUtil}
+import utest._
+import utest.framework.TestPath
+
+
+object HelloJavaTests extends TestSuite {
+
+  object HelloJava extends TestUtil.BaseModule{
+    def millSourcePath =  TestUtil.getSrcPathBase() / millOuterCtx.enclosing.split('.')
+    object core extends JavaModule
+    object main extends JavaModule{
+      def moduleDeps = Seq(core)
+    }
+  }
+  val resourcePath = pwd / 'scalalib / 'test / 'resources / "hello-java"
+
+  def init()(implicit tp: TestPath) = {
+    val eval = new TestEvaluator(HelloJava)
+    rm(HelloJava.millSourcePath)
+    rm(eval.outPath)
+    mkdir(HelloJava.millSourcePath / up)
+    cp(resourcePath, HelloJava.millSourcePath)
+    eval
+  }
+  def tests: Tests = Tests {
+    'scalaVersion - {
+      val eval = init()
+
+      val Right((res1, n1)) = eval.apply(HelloJava.core.compile)
+      val Right((res2, 0)) = eval.apply(HelloJava.core.compile)
+      val Right((res3, n2)) = eval.apply(HelloJava.main.compile)
+
+      assert(
+        res1 == res2,
+        n1 != 0,
+        n2 != 0,
+        ls.rec(res1.classes.path).exists(_.last == "Core.class"),
+        !ls.rec(res1.classes.path).exists(_.last == "Main.class"),
+        ls.rec(res3.classes.path).exists(_.last == "Main.class"),
+        !ls.rec(res3.classes.path).exists(_.last == "Core.class")
+      )
+    }
+    'docJar  - {
+      val eval = init()
+
+      val Right((ref1, _)) = eval.apply(HelloJava.core.docJar)
+      val Right((ref2, _)) = eval.apply(HelloJava.main.docJar)
+
+      assert(
+        %%("jar", "tf", ref1.path).out.lines.contains("hello/Core.html"),
+        %%("jar", "tf", ref2.path).out.lines.contains("hello/Main.html")
+      )
+    }
+  }
+}