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moby--moby/api/server/middleware_test.go
David Calavera 0fea04d27e Organize server pre-func logic in middlewares.
It defines global middlewares for every request.
This makes the server slightly more composable.

Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-09-21 14:27:06 -04:00

74 lines
2 KiB
Go

package server
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/docker/distribution/registry/api/errcode"
"github.com/docker/docker/context"
"github.com/docker/docker/errors"
)
func TestVersionMiddleware(t *testing.T) {
handler := func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if ctx.Version() == "" {
t.Fatalf("Expected version, got empty string")
}
return nil
}
h := versionMiddleware(handler)
req, _ := http.NewRequest("GET", "/containers/json", nil)
resp := httptest.NewRecorder()
ctx := context.Background()
if err := h(ctx, resp, req, map[string]string{}); err != nil {
t.Fatal(err)
}
}
func TestVersionMiddlewareWithErrors(t *testing.T) {
handler := func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if ctx.Version() == "" {
t.Fatalf("Expected version, got empty string")
}
return nil
}
h := versionMiddleware(handler)
req, _ := http.NewRequest("GET", "/containers/json", nil)
resp := httptest.NewRecorder()
ctx := context.Background()
vars := map[string]string{"version": "0.1"}
err := h(ctx, resp, req, vars)
if derr, ok := err.(errcode.Error); !ok || derr.ErrorCode() != errors.ErrorCodeOldClientVersion {
t.Fatalf("Expected ErrorCodeOldClientVersion, got %v", err)
}
vars["version"] = "100000"
err = h(ctx, resp, req, vars)
if derr, ok := err.(errcode.Error); !ok || derr.ErrorCode() != errors.ErrorCodeNewerClientVersion {
t.Fatalf("Expected ErrorCodeNewerClientVersion, got %v", err)
}
}
func TestRequestIDMiddleware(t *testing.T) {
handler := func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if ctx.RequestID() == "" {
t.Fatalf("Expected request-id, got empty string")
}
return nil
}
h := requestIDMiddleware(handler)
req, _ := http.NewRequest("GET", "/containers/json", nil)
resp := httptest.NewRecorder()
ctx := context.Background()
if err := h(ctx, resp, req, map[string]string{}); err != nil {
t.Fatal(err)
}
}