registry/internal/api/handlers/v0/telemetry_test.go
adam jones c0a94cca8c
Rename api/v1 -> api/v0 to match API paths (#320)
This PR renames the API paths from v1 to v0 to align with the actual API
versioning scheme.
2025-08-28 15:06:00 +01:00

92 lines
2.7 KiB
Go

package v0_test
import (
"context"
"net/http"
"net/http/httptest"
"testing"
"github.com/danielgtaylor/huma/v2"
"github.com/danielgtaylor/huma/v2/adapters/humago"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
v0 "github.com/modelcontextprotocol/registry/internal/api/handlers/v0"
"github.com/modelcontextprotocol/registry/internal/api/router"
"github.com/modelcontextprotocol/registry/internal/config"
"github.com/modelcontextprotocol/registry/internal/telemetry"
apiv0 "github.com/modelcontextprotocol/registry/pkg/api/v0"
"github.com/modelcontextprotocol/registry/pkg/model"
)
func mockServerEndpoint(registry *MockRegistryService, serverID string) {
serverDetail := &apiv0.ServerRecord{
Server: model.ServerJSON{
Name: "test-server-detail",
Description: "Test server detail",
Repository: model.Repository{
URL: "https://github.com/example/test-server-detail",
Source: "github",
ID: "example/test-server-detail",
},
VersionDetail: model.VersionDetail{
Version: "2.0.0",
},
},
XIOModelContextProtocolRegistry: apiv0.RegistryExtensions{
ID: serverID,
},
}
registry.Mock.On("GetByID", serverID).Return(serverDetail, nil)
}
func TestPrometheusHandler(t *testing.T) {
mockRegistry := new(MockRegistryService)
serverID := uuid.New().String()
mockServerEndpoint(mockRegistry, serverID)
cfg := config.NewConfig()
shutdownTelemetry, metrics, _ := telemetry.InitMetrics("dev")
mux := http.NewServeMux()
api := humago.New(mux, huma.DefaultConfig("Test API", "1.0.0"))
// Add metrics middleware with options
api.UseMiddleware(router.MetricTelemetryMiddleware(metrics,
router.WithSkipPaths("/health", "/metrics", "/ping", "/docs"),
))
v0.RegisterHealthEndpoint(api, cfg, metrics)
v0.RegisterServersEndpoints(api, mockRegistry)
// Add /metrics for Prometheus metrics using promhttp
mux.Handle("/metrics", metrics.PrometheusHandler())
// Create request
url := "/v0/servers/" + serverID
req := httptest.NewRequest(http.MethodGet, url, nil)
w := httptest.NewRecorder()
// Serve the request
mux.ServeHTTP(w, req)
// Check the status code
if w.Code != http.StatusOK {
t.Fatalf("expected status %d, got %d", http.StatusOK, w.Code)
}
req = httptest.NewRequest(http.MethodGet, "/metrics", nil)
w = httptest.NewRecorder()
mux.ServeHTTP(w, req)
// shutdown metrics provider
_ = shutdownTelemetry(context.Background())
assert.Equal(t, http.StatusOK, w.Code, "Expected status OK for /metrics endpoint")
body := w.Body.String()
// Check if the response body contains expected metrics
assert.Contains(t, body, "mcp_registry_http_request_duration_bucket")
assert.Contains(t, body, "mcp_registry_http_requests_total")
assert.Contains(t, body, "path=\"/v0/servers/{id}\"")
}