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Monorepo for Tangled tangled.org
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import ( "context" "encoding/json" "io" "log/slog" "net/http" "net/http/httptest" "slices" "strings" "sync" "testing"
"tangled.org/core/api/tangled")
func testLogger() *slog.Logger { return slog.New(slog.NewTextHandler(io.Discard, nil))}
const ( testOwner = "did:plc:akshay" testCollab = "did:plc:boltless" testRepoDid = "did:plc:limpet" testStrange = "did:plc:scallop")
type recordingKnot struct { mu sync.Mutex requests []string handler func(w http.ResponseWriter, r *http.Request)}
func (k *recordingKnot) ServeHTTP(w http.ResponseWriter, r *http.Request) { k.mu.Lock() k.requests = append(k.requests, r.URL.String()) k.mu.Unlock() k.handler(w, r)}
func (k *recordingKnot) calls() []string { k.mu.Lock() defer k.mu.Unlock() return slices.Clone(k.requests)}
func devClientFor(t *testing.T, handler func(w http.ResponseWriter, r *http.Request)) (*Client, *recordingKnot, string) { t.Helper() knot := &recordingKnot{handler: handler} srv := httptest.NewServer(knot) t.Cleanup(srv.Close) host := strings.TrimPrefix(srv.URL, "http://") return NewClient(true, testLogger()), knot, host}
func memberPage(items []string, cursor string) tangled.KnotListMembers_Output { out := tangled.KnotListMembers_Output{ Items: mapSlice(items, func(d string) *tangled.KnotListMembers_ListItem { return &tangled.KnotListMembers_ListItem{Subject: d, AddedBy: testOwner, CreatedAt: "2026-06-03T00:00:00Z"} }), } if cursor != "" { out.Cursor = &cursor } return out}
func collabPage(items []string, cursor string) tangled.RepoListCollaborators_Output { out := tangled.RepoListCollaborators_Output{ Items: mapSlice(items, func(d string) *tangled.RepoListCollaborators_ListItem { return &tangled.RepoListCollaborators_ListItem{Subject: d, AddedBy: testOwner, CreatedAt: "2026-06-03T00:00:00Z"} }), } if cursor != "" { out.Cursor = &cursor } return out}
func TestGetKnotMembers_SinglePage(t *testing.T) { c, _, host := devClientFor(t, func(w http.ResponseWriter, r *http.Request) { json.NewEncoder(w).Encode(memberPage([]string{testCollab, testOwner, testCollab}, "")) })
got, err := c.GetKnotMembers(context.Background(), host) if err != nil { t.Fatalf("GetKnotMembers: %v", err) } want := []string{testOwner, testCollab} if !slices.Equal(got, want) { t.Errorf("members = %v, want sorted+deduped %v", got, want) }}
func TestGetKnotMembers_Paginates(t *testing.T) { c, knot, host := devClientFor(t, func(w http.ResponseWriter, r *http.Request) { if r.URL.Query().Get("cursor") == "" { json.NewEncoder(w).Encode(memberPage([]string{testOwner}, "page2")) return } json.NewEncoder(w).Encode(memberPage([]string{testCollab}, "")) })
got, err := c.GetKnotMembers(context.Background(), host) if err != nil { t.Fatalf("GetKnotMembers: %v", err) } if want := []string{testOwner, testCollab}; !slices.Equal(got, want) { t.Errorf("members = %v, want union %v", got, want) } calls := knot.calls() if len(calls) != 2 { t.Fatalf("calls = %d, want 2 pages", len(calls)) } if !strings.Contains(calls[1], "cursor=page2") { t.Errorf("second call %q did not carry the page-1 cursor", calls[1]) }}
func TestGetKnotMembers_KnotDown(t *testing.T) { c, _, host := devClientFor(t, func(w http.ResponseWriter, r *http.Request) { http.Error(w, "boom", http.StatusInternalServerError) })
_, err := c.GetKnotMembers(context.Background(), host) if err == nil { t.Fatal("want error when knot is down; the Client must surface it for the Service to swallow") }}
func TestGetRepoCollaborators_PassesRepoDidAsSubject(t *testing.T) { c, knot, host := devClientFor(t, func(w http.ResponseWriter, r *http.Request) { json.NewEncoder(w).Encode(collabPage([]string{testCollab}, "")) })
got, err := c.GetRepoCollaborators(context.Background(), host, testRepoDid) if err != nil { t.Fatalf("GetRepoCollaborators: %v", err) } if want := []string{testCollab}; !slices.Equal(got, want) { t.Errorf("collaborators = %v, want %v", got, want) } if calls := knot.calls(); len(calls) != 1 || !strings.Contains(calls[0], "subject="+strings.ReplaceAll(testRepoDid, ":", "%3A")) { t.Errorf("subject param missing repo DID: %v", calls) }}
func TestDrainStopsOnRepeatedCursor(t *testing.T) { c, knot, host := devClientFor(t, func(w http.ResponseWriter, r *http.Request) { json.NewEncoder(w).Encode(memberPage([]string{testRepoDid}, "stuck")) })
got, err := c.GetKnotMembers(context.Background(), host) if err != nil { t.Fatalf("GetKnotMembers: %v", err) } if want := []string{testRepoDid}; !slices.Equal(got, want) { t.Errorf("members = %v, want %v after dedup", got, want) } if calls := len(knot.calls()); calls != 2 { t.Errorf("calls = %d, want 2; a knot echoing the same cursor must halt at once, not page to the cap", calls) }}
func TestDrainStopsAtPageCap(t *testing.T) { c, knot, host := devClientFor(t, func(w http.ResponseWriter, r *http.Request) { cursor := r.URL.Query().Get("cursor") json.NewEncoder(w).Encode(memberPage([]string{testCollab}, cursor+"x")) })
got, err := c.GetKnotMembers(context.Background(), host) if err != nil { t.Fatalf("GetKnotMembers: %v", err) } if want := []string{testCollab}; !slices.Equal(got, want) { t.Errorf("members = %v, want %v after dedup", got, want) } if calls := len(knot.calls()); calls != maxListPages { t.Errorf("calls = %d, want the %d-page cap to halt an ever-advancing cursor", calls, maxListPages) }}