func (*facadeRegistrySuite) TestValidateNewFacade(c *gc.C) {
checkValidateNewFacadeFailsWith(c, nil,
`cannot wrap nil`)
checkValidateNewFacadeFailsWith(c, "notafunc",
`wrong type "string" is not a function`)
checkValidateNewFacadeFailsWith(c, noArgs,
`function ".*noArgs" does not take 3 parameters and return 2`)
checkValidateNewFacadeFailsWith(c, badCountIn,
`function ".*badCountIn" does not take 3 parameters and return 2`)
checkValidateNewFacadeFailsWith(c, badCountOut,
`function ".*badCountOut" does not take 3 parameters and return 2`)
checkValidateNewFacadeFailsWith(c, wrongIn,
`function ".*wrongIn" does not have the signature func \(\*state.State, \*common.Resources, common.Authorizer\) \(\*Type, error\)`)
checkValidateNewFacadeFailsWith(c, wrongOut,
`function ".*wrongOut" does not have the signature func \(\*state.State, \*common.Resources, common.Authorizer\) \(\*Type, error\)`)
err := common.ValidateNewFacade(reflect.ValueOf(validFactory))
c.Assert(err, gc.IsNil)
}
func checkValidateNewFacadeFailsWith(c *gc.C, obj interface{}, errMsg string) {
err := common.ValidateNewFacade(reflect.ValueOf(obj))
c.Check(err, gc.NotNil)
c.Check(err, gc.ErrorMatches, errMsg)
}