f5d2f45b94
Co-Authored-By: Virgil <virgil@lethean.io> Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
141 lines
3.2 KiB
Go
141 lines
3.2 KiB
Go
// SPDX-License-Identifier: EUPL-1.2
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package api_test
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import (
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"io"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/gin-gonic/gin"
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api "forge.lthn.ai/core/go-api"
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)
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// ── Expvar runtime metrics endpoint ─────────────────────────────────
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func TestWithExpvar_Good_EndpointReturnsJSON(t *testing.T) {
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gin.SetMode(gin.TestMode)
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e, err := api.New(api.WithExpvar())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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srv := httptest.NewServer(e.Handler())
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defer srv.Close()
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resp, err := http.Get(srv.URL + "/debug/vars")
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if err != nil {
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t.Fatalf("request failed: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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t.Fatalf("expected 200 for /debug/vars, got %d", resp.StatusCode)
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}
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ct := resp.Header.Get("Content-Type")
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if !strings.Contains(ct, "application/json") {
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t.Fatalf("expected application/json content type, got %q", ct)
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}
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}
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func TestWithExpvar_Good_ContainsMemstats(t *testing.T) {
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gin.SetMode(gin.TestMode)
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e, err := api.New(api.WithExpvar())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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srv := httptest.NewServer(e.Handler())
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defer srv.Close()
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resp, err := http.Get(srv.URL + "/debug/vars")
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if err != nil {
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t.Fatalf("request failed: %v", err)
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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t.Fatalf("failed to read body: %v", err)
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}
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if !strings.Contains(string(body), "memstats") {
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t.Fatal("expected response body to contain \"memstats\"")
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}
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}
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func TestWithExpvar_Good_ContainsCmdline(t *testing.T) {
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gin.SetMode(gin.TestMode)
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e, err := api.New(api.WithExpvar())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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srv := httptest.NewServer(e.Handler())
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defer srv.Close()
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resp, err := http.Get(srv.URL + "/debug/vars")
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if err != nil {
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t.Fatalf("request failed: %v", err)
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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t.Fatalf("failed to read body: %v", err)
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}
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if !strings.Contains(string(body), "cmdline") {
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t.Fatal("expected response body to contain \"cmdline\"")
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}
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}
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func TestWithExpvar_Good_CombinesWithOtherMiddleware(t *testing.T) {
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gin.SetMode(gin.TestMode)
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e, err := api.New(api.WithRequestID(), api.WithExpvar())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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srv := httptest.NewServer(e.Handler())
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defer srv.Close()
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resp, err := http.Get(srv.URL + "/debug/vars")
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if err != nil {
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t.Fatalf("request failed: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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t.Fatalf("expected 200 for /debug/vars with middleware, got %d", resp.StatusCode)
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}
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// Verify the request ID middleware is still active.
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rid := resp.Header.Get("X-Request-ID")
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if rid == "" {
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t.Fatal("expected X-Request-ID header from WithRequestID middleware")
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}
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}
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func TestWithExpvar_Bad_NotMountedWithoutOption(t *testing.T) {
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gin.SetMode(gin.TestMode)
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e, _ := api.New()
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h := e.Handler()
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w := httptest.NewRecorder()
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req, _ := http.NewRequest(http.MethodGet, "/debug/vars", nil)
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h.ServeHTTP(w, req)
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if w.Code != http.StatusNotFound {
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t.Fatalf("expected 404 for /debug/vars without WithExpvar, got %d", w.Code)
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}
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}
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