def test_detect_cadvisor_404(m):
m.head('http://kubelet:4192/api/v1.3/subcontainers/', status_code=404)
with pytest.raises(HTTPError):
url = KubeletCheck.detect_cadvisor("http://kubelet:10250", 4192)
assert url == ""
def test_detect_cadvisor_port_zero():
with pytest.raises(ValueError):
url = KubeletCheck.detect_cadvisor("http://kubelet:10250", 0)
assert url == ""
def test_detect_cadvisor_nominal(m):
m.head('http://kubelet:4192/api/v1.3/subcontainers/', text='{}')
url = KubeletCheck.detect_cadvisor("http://kubelet:10250", 4192)
assert url == "http://kubelet:4192/api/v1.3/subcontainers/"
