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Monorepo for Tangled
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3.6 kB · 132 lines
Go
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import ( "context" "io" "log/slog" "net/http" "net/http/httptest" "strings" "testing"
"tangled.org/core/knotmirror/config" "tangled.org/core/knotmirror/models")
func uploadPackAdvert(capabilities string) string { return "001e# service=git-upload-pack\n" + "0000" + "0000000000000000000000000000000000000000 capabilities^{}\x00" + capabilities + "\n" + "0000"}
func TestCheckKnotObjectFormat(t *testing.T) { const gitContentType = "application/x-git-upload-pack-advertisement"
tests := []struct { name string status int contentType string body string wantFormat models.ObjectFormat wantErr bool wantRateLimit bool }{ { name: "sha256 repo is detected", status: http.StatusOK, contentType: gitContentType, body: uploadPackAdvert("multi_ack thin-pack side-band-64k ofs-delta object-format=sha256 agent=git/2.45.0"), wantFormat: models.ObjectFormatSHA256, }, { name: "explicit sha1 repo stays on sha1", status: http.StatusOK, contentType: gitContentType, body: uploadPackAdvert("multi_ack thin-pack side-band-64k ofs-delta object-format=sha1 agent=git/2.45.0"), wantFormat: models.ObjectFormatSHA1, }, { name: "advertisement without object-format defaults to sha1", status: http.StatusOK, contentType: gitContentType, body: uploadPackAdvert("multi_ack thin-pack side-band-64k ofs-delta agent=git/2.34.0"), wantFormat: models.ObjectFormatSHA1, }, { name: "sha256 detected with content-type parameters", status: http.StatusOK, contentType: gitContentType + "; charset=utf-8", body: uploadPackAdvert("object-format=sha256"), wantFormat: models.ObjectFormatSHA256, }, { name: "rate limited knot", status: http.StatusTooManyRequests, wantErr: true, wantRateLimit: true, }, { name: "missing repo on knot", status: http.StatusNotFound, wantErr: true, }, { name: "non git content-type", status: http.StatusOK, contentType: "text/html", body: "<html>not a git server</html>", wantErr: true, }, }
for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { var gotPath string srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { gotPath = r.URL.Path if tt.contentType != "" { w.Header().Set("Content-Type", tt.contentType) } w.WriteHeader(tt.status) io.WriteString(w, tt.body) })) defer srv.Close()
r := &Resyncer{ logger: slog.New(slog.NewTextHandler(io.Discard, nil)), cfg: &config.Config{}, httpClient: srv.Client(), } repo := &models.Repo{ RepoDid: "did:plc:boltless", KnotDomain: srv.URL, }
format, err := r.checkKnot(context.Background(), repo)
if tt.wantErr { if err == nil { t.Fatalf("expected error, got format %q", format) } if format != "" { t.Errorf("expected empty format on error, got %q", format) } if got := isRateLimitError(err); got != tt.wantRateLimit { t.Errorf("isRateLimitError = %v, want %v", got, tt.wantRateLimit) } return }
if err != nil { t.Fatalf("unexpected error: %v", err) } if format != tt.wantFormat { t.Errorf("format = %q, want %q", format, tt.wantFormat) } if !strings.HasSuffix(gotPath, "/info/refs") { t.Errorf("expected upstream request to /info/refs, got %q", gotPath) } }) }}