func (s *listCredentialsSuite) TestListCredentialsNone(c *gc.C) {
listCmd := cloud.NewListCredentialsCommandForTest(jujuclienttesting.NewMemStore(), s.personalCloudsFunc, s.cloudByNameFunc)
ctx, err := testing.RunCommand(c, listCmd)
c.Assert(err, jc.ErrorIsNil)
c.Assert(testing.Stderr(ctx), gc.Equals, "")
out := strings.Replace(testing.Stdout(ctx), "\n", "", -1)
c.Assert(out, gc.Equals, "No credentials to display.")
ctx, err = testing.RunCommand(c, listCmd, "--format", "yaml")
c.Assert(err, jc.ErrorIsNil)
c.Assert(testing.Stderr(ctx), gc.Equals, "")
out = strings.Replace(testing.Stdout(ctx), "\n", "", -1)
c.Assert(out, gc.Equals, "credentials: {}")
ctx, err = testing.RunCommand(c, listCmd, "--format", "json")
c.Assert(err, jc.ErrorIsNil)
c.Assert(testing.Stderr(ctx), gc.Equals, "")
out = strings.Replace(testing.Stdout(ctx), "\n", "", -1)
c.Assert(out, gc.Equals, `{"credentials":{}}`)
}
func (s *listCredentialsSuite) listCredentials(c *gc.C, args ...string) string {
ctx, err := testing.RunCommand(c, cloud.NewListCredentialsCommandForTest(s.store, s.personalCloudsFunc, s.cloudByNameFunc), args...)
c.Assert(err, jc.ErrorIsNil)
c.Assert(testing.Stderr(ctx), gc.Equals, "")
return testing.Stdout(ctx)
}