Monorepo for Tangled
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package microvm
import ( "io" "log/slog" "net/http" "net/http/httptest" "net/url" "strings" "testing")
func TestUploadProxyRewritesHostAndAuth(t *testing.T) { var upstreamHost string upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { if req.Host != upstreamHost { t.Errorf("host: got %q, want %q", req.Host, upstreamHost) } if req.URL.Path != "/sub/abc.narinfo" { t.Errorf("path: got %q, want /sub/abc.narinfo", req.URL.Path) } if user, pass, ok := req.BasicAuth(); !ok || user != "dawn" || pass != "woof" { t.Errorf("basic auth: got %q/%q/%v, want dawn/hunter2/true", user, pass, ok) } _, _ = io.WriteString(w, "ok") })) defer upstream.Close() upstreamHost = strings.TrimPrefix(upstream.URL, "http://")
target, err := url.Parse("http://dawn:woof@" + upstreamHost + "/sub/") if err != nil { t.Fatal(err) }
req := httptest.NewRequest(http.MethodPut, "http://127.0.0.1:10501/abc.narinfo", strings.NewReader("narinfo")) req.Host = "127.0.0.1:10501" rec := httptest.NewRecorder() uploadProxyHandler(target, nil, slog.Default()).ServeHTTP(rec, req)
if rec.Code != http.StatusOK { t.Fatalf("status: got %d, want 200; body=%q", rec.Code, rec.Body.String()) }}
func mustParseURL(t *testing.T, raw string) *url.URL { t.Helper() u, err := url.Parse(raw) if err != nil { t.Fatalf("parse %q: %v", raw, err) } return u}
func TestUploadProxySkipsNarinfoAvailableUpstream(t *testing.T) { var uploadHits int target := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { uploadHits++ w.WriteHeader(http.StatusNotFound) })) defer target.Close()
upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { if req.URL.Path != "/abc.narinfo" { t.Errorf("upstream path: got %q, want /abc.narinfo", req.URL.Path) } _, _ = io.WriteString(w, "StorePath: /nix/store/abc\n") })) defer upstream.Close()
handler := uploadProxyHandler( mustParseURL(t, target.URL), []CacheUpstream{{url: mustParseURL(t, upstream.URL)}}, slog.Default(), )
req := httptest.NewRequest(http.MethodGet, "http://127.0.0.1:10501/abc.narinfo", nil) rec := httptest.NewRecorder() handler.ServeHTTP(rec, req)
if rec.Code != http.StatusOK { t.Fatalf("status: got %d, want 200 (so nix treats the path as present and skips upload)", rec.Code) } if !strings.Contains(rec.Body.String(), "StorePath: /nix/store/abc") { t.Fatalf("body: got %q, want the upstream narinfo body", rec.Body.String()) }}
func TestUploadProxyUploadsNarinfoNobodyHas(t *testing.T) { target := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { w.WriteHeader(http.StatusNotFound) })) defer target.Close() upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { w.WriteHeader(http.StatusNotFound) })) defer upstream.Close()
handler := uploadProxyHandler( mustParseURL(t, target.URL), []CacheUpstream{{url: mustParseURL(t, upstream.URL)}}, slog.Default(), )
req := httptest.NewRequest(http.MethodGet, "http://127.0.0.1:10501/abc.narinfo", nil) rec := httptest.NewRecorder() handler.ServeHTTP(rec, req)
if rec.Code != http.StatusNotFound { t.Fatalf("status: got %d, want 404 (so nix uploads the path)", rec.Code) }}
func TestUploadProxySkipsNarinfoAlreadyOnTarget(t *testing.T) { target := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { _, _ = io.WriteString(w, "StorePath: /nix/store/abc\n") })) defer target.Close()
handler := uploadProxyHandler(mustParseURL(t, target.URL), nil, slog.Default())
req := httptest.NewRequest(http.MethodGet, "http://127.0.0.1:10501/abc.narinfo", nil) rec := httptest.NewRecorder() handler.ServeHTTP(rec, req)
if rec.Code != http.StatusOK { t.Fatalf("status: got %d, want 200", rec.Code) }}