       ).done (-> done()), done
 
     it "Path should have css extension", ->
-      expect(file.path).is.equal "/tests/data/source.css"
+      expect(file.path).is.equal(
+        path.join path.sep + "tests", "data", "source.css"
+      )
 
 
 describe "For non-testing mode", ->

      it("file path should be replaced with .gulp-scss-cache/source.css",
          (done) ->
            func_promise.then(
              -> expect(file.path).equal "/tests/data/source.css"
            ).done (-> done()), done
        )


        ).done (-> done()), done

      it "Path should have css extension", ->
        expect(file.path).is.equal(
          path.join path.sep + "tests", "data", "source.css"
        )

    describe "When path is specified", ->
      func_promise = undefined
