Try changes from a different MR

client/client_test.go

@@ -77,6 +77,7 @@ func TestClients(t *testing.T) {
 			testAuthenticationHeader(t, client)
 			testJWTAuthenticationHeader(t, client)
 			testXForwardedForHeader(t, client)
+			testHostWithTrailingSlash(t, client)
 		})
 	}
 }
@@ -237,6 +238,16 @@ func testXForwardedForHeader(t *testing.T, client *GitlabNetClient) {
 	})
 }
 
+func testHostWithTrailingSlash(t *testing.T, client *GitlabNetClient) {
+	oldHost := client.httpClient.Host
+	client.httpClient.Host = oldHost + "/"
+
+	testSuccessfulGet(t, client)
+	testSuccessfulPost(t, client)
+
+	client.httpClient.Host = oldHost
+}
+
 func buildRequests(t *testing.T, relativeURLRoot string) []testserver.TestRequestHandler {
 	requests := []testserver.TestRequestHandler{
 		{

client/gitlabnet.go

@@ -85,6 +85,10 @@ func normalizePath(path string) string {
 	return path
 }
 
+func appendPath(host string, path string) string {
+	return strings.TrimSuffix(host, "/") + "/" + strings.TrimPrefix(path, "/")
+}
+
 func newRequest(ctx context.Context, method, host, path string, data interface{}) (*http.Request, error) {
 	var jsonReader io.Reader
 	if data != nil {
@@ -96,7 +100,7 @@ func newRequest(ctx context.Context, method, host, path string, data interface{}
 		jsonReader = bytes.NewReader(jsonData)
 	}
 
-	request, err := http.NewRequestWithContext(ctx, method, host+path, jsonReader)
+	request, err := http.NewRequestWithContext(ctx, method, appendPath(host, path), jsonReader)
 	if err != nil {
 		return nil, err
 	}