better error message for missing build.scala and missing class Build

6 files changed, 30 insertions, 6 deletions

diff --git a/stage2/BuildBuild.scala b/stage2/BuildBuild.scala
index b6d92c4..b230b01 100644
--- a/stage2/BuildBuild.scala
+++ b/stage2/BuildBuild.scala
@@ -54,15 +54,17 @@ trait BuildBuild extends BaseBuild{
                 .newInstance(managedContext)
               } catch {
                 case e: ClassNotFoundException if e.getMessage == lib.buildClassName => 
-                  throw new Exception("You need to remove the directory or define a class Build in: "+context.projectDirectory)
+                  throw new Exception("You need to define a class Build in build.scala in: "+context.projectDirectory)
               }
           }
+      } else if( projectDirectory.listFiles.exists( _.getName.endsWith(".scala") ) ){
+        throw new Exception(
+          "No file build.scala (lower case) found in " ++ projectDirectory.getPath
+        )
+      } else if( projectDirectory.getParentFile.getName == "build" ){
+        new BasicBuild( managedContext ) with BuildBuild
       } else {
-        if( projectDirectory.getParentFile.getName == "build" ){
-          new BasicBuild( managedContext ) with BuildBuild
-        } else {
-          new BasicBuild( managedContext )
-        }
+        new BasicBuild( managedContext )
       }
     )
     try{
diff --git a/test/empty-build-file/Main.scala b/test/empty-build-file/Main.scala
new file mode 100644
index 0000000..19d4beb
--- /dev/null
+++ b/test/empty-build-file/Main.scala
@@ -0,0 +1,5 @@
+object Main{
+  def main( args: Array[String] ): Unit = {
+    println( Console.GREEN ++ "Hello World" ++ Console.RESET )
+  }
+}
diff --git a/test/empty-build-file/build/build.scala b/test/empty-build-file/build/build.scala
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/empty-build-file/build/build.scala
diff --git a/test/no-build-file/Main.scala b/test/no-build-file/Main.scala
new file mode 100644
index 0000000..19d4beb
--- /dev/null
+++ b/test/no-build-file/Main.scala
@@ -0,0 +1,5 @@
+object Main{
+  def main( args: Array[String] ): Unit = {
+    println( Console.GREEN ++ "Hello World" ++ Console.RESET )
+  }
+}
diff --git a/test/no-build-file/build/foo.scala b/test/no-build-file/build/foo.scala
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/no-build-file/build/foo.scala
diff --git a/test/test.scala b/test/test.scala
index 0158ddd..65790f8 100644
--- a/test/test.scala
+++ b/test/test.scala
@@ -202,6 +202,18 @@ object Main{
       assert(res.err contains "Build cannot be cast to cbt.BuildInterface", res.err)
     }
 
+    {
+      val res = runCbt("no-build-file", Seq("run"))
+      assert(!res.exit0)
+      assert(res.err contains "No file build.scala (lower case) found in", res.err)
+    }
+
+    {
+      val res = runCbt("empty-build-file", Seq("run"))
+      assert(!res.exit0)
+      assert(res.err contains "You need to define a class Build in build.scala in", res.err)
+    }
+
     System.err.println(" DONE!")
     System.err.println( successes.toString ++ " succeeded, "++ failures.toString ++ " failed" )
     if(failures > 0) System.exit(1) else System.exit(0)