func (pollingSuite) TestWaitDNSNamePropagatesFailure(c *gc.C) {
failure := errors.New("deliberate failure")
inst := mockInstance{dnsNameErr: failure}
_, err := common.WaitDNSName(&inst)
c.Assert(err, gc.NotNil)
c.Check(err, gc.Equals, failure)
}
func (pollingSuite) TestWaitDNSNamePollsOnErrNoDNSName(c *gc.C) {
inst := mockInstance{dnsNameErr: instance.ErrNoDNSName}
_, err := common.WaitDNSName(&inst)
c.Assert(err, gc.NotNil)
c.Check(err, gc.ErrorMatches, ".*timed out trying to get DNS address.*")
}
func (pollingSuite) TestWaitDNSNameReturnsDNSNameIfAvailable(c *gc.C) {
inst := mockInstance{dnsName: "anansi"}
name, err := common.WaitDNSName(&inst)
c.Assert(err, gc.IsNil)
c.Check(name, gc.Equals, "anansi")
}
func (inst *dummyInstance) WaitDNSName() (string, error) {
return common.WaitDNSName(inst)
}
func (mi *maasInstance) WaitDNSName() (string, error) {
return common.WaitDNSName(mi)
}
// WaitDNSName is specified in the Instance interface.
func (azInstance *azureInstance) WaitDNSName() (string, error) {
return common.WaitDNSName(azInstance)
}