func (s *updateCloudsSuite) run(c *gc.C, url, errMsg string) string {
updateCmd := cloud.NewUpdateCloudsCommandForTest(url)
out, err := testing.RunCommand(c, updateCmd)
if errMsg == "" {
c.Assert(err, jc.ErrorIsNil)
} else {
errString := strings.Replace(err.Error(), "\n", "", -1)
c.Assert(errString, gc.Matches, errMsg)
}
return testing.Stderr(out)
}
func (s *updateCloudsSuite) TestBadArgs(c *gc.C) {
updateCmd := cloud.NewUpdateCloudsCommandForTest("")
_, err := testing.RunCommand(c, updateCmd, "extra")
c.Assert(err, gc.ErrorMatches, `unrecognized args: \["extra"\]`)
}