func (s *ValueWorkerSuite) TestValueWorkerOutput_BadOutputType(c *gc.C) {
value := &testType{}
w, err := engine.NewValueWorker(value)
c.Assert(err, jc.ErrorIsNil)
var outVal string
err = engine.ValueWorkerOutput(w, &outVal)
c.Check(err, gc.ErrorMatches, "cannot output into \\*string")
c.Check(outVal, gc.Equals, "")
}
func (s *ValueWorkerSuite) TestValueWorkerOutput_BadOutputIndirection(c *gc.C) {
value := &testType{}
w, err := engine.NewValueWorker(value)
c.Assert(err, jc.ErrorIsNil)
var outVal string
err = engine.ValueWorkerOutput(w, outVal)
c.Check(err, gc.ErrorMatches, "out should be a pointer; is .*")
c.Check(outVal, gc.Equals, "")
}
func (s *ValueWorkerSuite) TestValueWorkerOutput_Success(c *gc.C) {
value := &testType{}
w, err := engine.NewValueWorker(value)
c.Assert(err, jc.ErrorIsNil)
var outVal testInterface
err = engine.ValueWorkerOutput(w, &outVal)
c.Check(err, jc.ErrorIsNil)
c.Check(outVal, gc.DeepEquals, value)
}
func (s *ValueWorkerSuite) TestValueWorkerOutput_BadInput(c *gc.C) {
var outVal testInterface
err := engine.ValueWorkerOutput(&testType{}, &outVal)
c.Check(err, gc.ErrorMatches, "in should be a \\*valueWorker; is .*")
c.Check(outVal, gc.IsNil)
}