registry/health/api/api_test.go
Diogo Mónica 5370f2c0be Adding first version of HealthCheck
Added a expvar style handler for the debug http server to allow health checks (/debug/health).

Signed-off-by: Diogo Monica <diogo@docker.com>
2015-03-20 14:38:40 -07:00

86 lines
2.1 KiB
Go

package api
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/docker/distribution/health"
)
// TestGETDownHandlerDoesNotChangeStatus ensures that calling the endpoint
// /debug/health/down with METHOD GET returns a 404
func TestGETDownHandlerDoesNotChangeStatus(t *testing.T) {
recorder := httptest.NewRecorder()
req, err := http.NewRequest("GET", "https://fakeurl.com/debug/health/down", nil)
if err != nil {
t.Errorf("Failed to create request.")
}
DownHandler(recorder, req)
if recorder.Code != 404 {
t.Errorf("Did not get a 404.")
}
}
// TestGETUpHandlerDoesNotChangeStatus ensures that calling the endpoint
// /debug/health/down with METHOD GET returns a 404
func TestGETUpHandlerDoesNotChangeStatus(t *testing.T) {
recorder := httptest.NewRecorder()
req, err := http.NewRequest("GET", "https://fakeurl.com/debug/health/up", nil)
if err != nil {
t.Errorf("Failed to create request.")
}
DownHandler(recorder, req)
if recorder.Code != 404 {
t.Errorf("Did not get a 404.")
}
}
// TestPOSTDownHandlerChangeStatus ensures the endpoint /debug/health/down changes
// the status code of the response to 503
// This test is order dependent, and should come before TestPOSTUpHandlerChangeStatus
func TestPOSTDownHandlerChangeStatus(t *testing.T) {
recorder := httptest.NewRecorder()
req, err := http.NewRequest("POST", "https://fakeurl.com/debug/health/down", nil)
if err != nil {
t.Errorf("Failed to create request.")
}
DownHandler(recorder, req)
if recorder.Code != 200 {
t.Errorf("Did not get a 200.")
}
if len(health.CheckStatus()) != 1 {
t.Errorf("DownHandler didn't add an error check.")
}
}
// TestPOSTUpHandlerChangeStatus ensures the endpoint /debug/health/up changes
// the status code of the response to 200
func TestPOSTUpHandlerChangeStatus(t *testing.T) {
recorder := httptest.NewRecorder()
req, err := http.NewRequest("POST", "https://fakeurl.com/debug/health/up", nil)
if err != nil {
t.Errorf("Failed to create request.")
}
UpHandler(recorder, req)
if recorder.Code != 200 {
t.Errorf("Did not get a 200.")
}
if len(health.CheckStatus()) != 0 {
t.Errorf("UpHandler didn't remove the error check.")
}
}