func (*HousingSuite) TestReplacesFilter(c *gc.C) {
expectIn := errors.New("tweedledum")
expectOut := errors.New("tweedledee")
manifold := util.Housing{
Filter: func(in error) error {
c.Check(in, gc.Equals, expectIn)
return expectOut
},
}.Decorate(dependency.Manifold{
Filter: panicFilter,
})
out := manifold.Filter(expectIn)
c.Check(out, gc.Equals, expectOut)
}
func (*HousingSuite) TestEmptyHousingPopulatedManifold(c *gc.C) {
manifold := util.Housing{}.Decorate(dependency.Manifold{
Inputs: []string{"x", "y", "z"},
Start: panicStart,
Output: panicOutput,
Filter: panicFilter,
})
c.Check(manifold.Inputs, jc.DeepEquals, []string{"x", "y", "z"})
c.Check(func() {
manifold.Start(nil)
}, gc.PanicMatches, "panicStart")
c.Check(func() {
manifold.Output(nil, nil)
}, gc.PanicMatches, "panicOutput")
c.Check(func() {
manifold.Filter(nil)
}, gc.PanicMatches, "panicFilter")
}