package api
import (
"context"
"errors"
"fmt"
"path/filepath"
"strings"
"testing"
"craftdesign.group/quarry/internal/artifact"
"craftdesign.group/quarry/internal/index"
"craftdesign.group/quarry/internal/ops"
)
func TestRegisterAllAndVersionOp(t *testing.T) {
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "1.2.3-test"}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "meta.version", versionIn{})
if err != nil {
t.Fatal(err)
}
if got.(versionOut).Version != "1.2.3-test" {
t.Fatalf("got %+v", got)
}
}
func TestRegisteredOpsAppearInSpec(t *testing.T) {
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v"}); err != nil {
t.Fatal(err)
}
spec, err := ops.Spec(r, "quarry", "v")
if err != nil {
t.Fatal(err)
}
if spec.Paths["/api/v1/version"].Get == nil {
t.Fatal("meta.version missing from generated spec")
}
}
func wikiIndex(t *testing.T) *index.Index {
t.Helper()
ix, err := index.Open(filepath.Join(t.TempDir(), "index.db"))
if err != nil {
t.Fatal(err)
}
t.Cleanup(func() { ix.Close() })
batch := []index.Parsed{
{Hash: "aaa1", Art: &artifact.Artifact{Type: artifact.Wiki, WikiTitle: "Design",
Date: "2026-08-15T10:00:00", User: "dan", Mimetype: "text/x-markdown",
Body: []byte("# Design\n\ndetails\n")}},
{Hash: "aaa2", Art: &artifact.Artifact{Type: artifact.Wiki, WikiTitle: "Home",
Date: "2026-08-15T10:00:01", User: "dan", Mimetype: "text/x-markdown",
Body: []byte("See [[Design]] and [[Missing]].\n")}},
{Hash: "aaa3", Art: &artifact.Artifact{Type: artifact.Wiki, WikiTitle: "Home",
Date: "2026-08-15T11:00:00", User: "eve", Mimetype: "text/x-markdown",
Body: []byte("Revised. See [[Design]].\n")}},
}
if err := ix.FoldNow(batch); err != nil {
t.Fatal(err)
}
return ix
}
func TestWikiOps(t *testing.T) {
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(wikiIndex(t))}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "wiki.list", wikiListIn{Repo: "test"})
if err != nil {
t.Fatal(err)
}
list := got.(wikiListOut)
if list.Count != 2 || list.Pages[0].Title != "Design" || list.Pages[1].Title != "Home" {
t.Fatalf("list = %+v", list)
}
if list.Pages[1].User != "eve" {
t.Fatalf("latest edit not surfaced: %+v", list.Pages[1])
}
got, err = r.Invoke(context.Background(), "wiki.get", wikiGetIn{Repo: "test", Name: "Home"})
if err != nil {
t.Fatal(err)
}
page := got.(wikiGetOut)
if !strings.Contains(page.HTML, `<a href="/r/test/wiki/Design">Design</a>`) {
t.Fatalf("existing page not resolved:\n%s", page.HTML)
}
if !strings.Contains(page.Source, "Revised") {
t.Fatalf("stale edit served: %+v", page)
}
if _, err := r.Invoke(context.Background(), "wiki.get", wikiGetIn{Repo: "test", Name: "Missing"}); err == nil {
t.Fatal("want error for missing page")
}
}
func TestWikiHistoryAndRevision(t *testing.T) {
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(wikiIndex(t))}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "wiki.history", wikiHistoryIn{Repo: "test", Name: "Home"})
if err != nil {
t.Fatal(err)
}
h := got.(wikiHistoryOut)
if h.Count != 2 || h.Edits[0].Hash != "aaa3" || h.Edits[1].Hash != "aaa2" {
t.Fatalf("history = %+v", h)
}
if h.Edits[0].User != "eve" || h.Edits[1].User != "dan" {
t.Fatalf("edit users = %+v", h.Edits)
}
// An old revision serves its own content, not the fold.
got, err = r.Invoke(context.Background(), "wiki.get", wikiGetIn{Repo: "test", Name: "Home", Rev: "aaa2"})
if err != nil {
t.Fatal(err)
}
page := got.(wikiGetOut)
if page.Hash != "aaa2" || !strings.Contains(page.Source, "Missing") || strings.Contains(page.Source, "Revised") {
t.Fatalf("revision fetch = %+v", page)
}
if _, err := r.Invoke(context.Background(), "wiki.get", wikiGetIn{Repo: "test", Name: "Home", Rev: "ffff"}); err == nil {
t.Fatal("want error for unknown revision")
}
// "aaa" prefixes both edits of Home — ambiguous resolves to nothing.
if _, err := r.Invoke(context.Background(), "wiki.get", wikiGetIn{Repo: "test", Name: "Home", Rev: "aaa"}); err == nil {
t.Fatal("want error for ambiguous revision prefix")
}
if _, err := r.Invoke(context.Background(), "wiki.history", wikiHistoryIn{Repo: "test", Name: "Missing"}); err == nil {
t.Fatal("want error for missing page history")
}
}
func TestWikiGetUnresolvedRefStaysText(t *testing.T) {
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(wikiIndex(t))}); err != nil {
t.Fatal(err)
}
// The older Home revision links [[Missing]]; current revision does
// not — fetch Design's referrer instead via a fresh page write.
got, err := r.Invoke(context.Background(), "wiki.get", wikiGetIn{Repo: "test", Name: "Design"})
if err != nil {
t.Fatal(err)
}
if strings.Contains(got.(wikiGetOut).HTML, "/r/test/wiki/Missing") {
t.Fatal("nonexistent page linked")
}
}
func TestCheckinGetAndHashResolution(t *testing.T) {
ix := wikiIndex(t)
h1 := strings.Repeat("ab", 32)
h2 := "abcd" + strings.Repeat("ef", 30)
if err := ix.FoldNow([]index.Parsed{
{Hash: h1, Art: &artifact.Artifact{Type: artifact.Manifest,
Date: "2026-08-15T09:00:00", User: "dan", Comment: "first"}},
{Hash: h2, Art: &artifact.Artifact{Type: artifact.Manifest,
Date: "2026-08-15T09:30:00", User: "dan", Comment: "second", Parents: []string{h1}}},
{Hash: "bbb1", Art: &artifact.Artifact{Type: artifact.Wiki, WikiTitle: "Refs",
Date: "2026-08-15T12:00:00", User: "dan", Mimetype: "text/x-markdown",
Body: []byte("Fixed in " + h2[:12] + ". Ambiguous: ab.\n")}},
}); err != nil {
t.Fatal(err)
}
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(ix)}); err != nil {
t.Fatal(err)
}
// Prefix lookup: unique resolves, ambiguous does not.
got, err := r.Invoke(context.Background(), "checkin.get", checkinGetIn{Repo: "test", Hash: h2[:12]})
if err != nil {
t.Fatal(err)
}
ci := got.(checkinGetOut)
if ci.Hash != h2 || len(ci.Parents) != 1 || ci.Parents[0] != h1 {
t.Fatalf("checkin = %+v", ci)
}
if _, err := r.Invoke(context.Background(), "checkin.get", checkinGetIn{Repo: "test", Hash: "abcdzz"}); err == nil {
t.Fatal("want error for unknown hash")
}
// Wiki body hash references resolve through the same lookup.
got, err = r.Invoke(context.Background(), "wiki.get", wikiGetIn{Repo: "test", Name: "Refs"})
if err != nil {
t.Fatal(err)
}
html := got.(wikiGetOut).HTML
if !strings.Contains(html, `<a href="/r/test/checkin/`+h2+`">`+h2[:12]+`</a>`) {
t.Fatalf("hash ref not resolved:\n%s", html)
}
}
func TestTicketOps(t *testing.T) {
ix := wikiIndex(t)
tid := strings.Repeat("cd", 20)
if err := ix.FoldNow([]index.Parsed{
{Hash: "ccc1", Art: &artifact.Artifact{Type: artifact.Ticket, TicketID: tid,
Date: "2026-08-15T09:00:00", User: "dan",
Fields: []artifact.Field{{Name: "status", Value: "Open"}, {Name: "title", Value: "crash on empty input"}}}},
{Hash: "ccc2", Art: &artifact.Artifact{Type: artifact.Ticket, TicketID: tid,
Date: "2026-08-15T10:00:00", User: "eve",
Fields: []artifact.Field{{Name: "resolution", Value: "Fixed"}, {Name: "status", Value: "Closed"}}}},
}); err != nil {
t.Fatal(err)
}
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(ix)}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "ticket.list", ticketListIn{Repo: "test"})
if err != nil {
t.Fatal(err)
}
list := got.(ticketListOut)
if list.Count != 1 || list.Tickets[0].Status != "Closed" || list.Tickets[0].Title != "crash on empty input" {
t.Fatalf("list = %+v", list)
}
got, err = r.Invoke(context.Background(), "ticket.get", ticketGetIn{Repo: "test", ID: tid[:8]})
if err != nil {
t.Fatal(err)
}
tk := got.(ticketGetOut).Ticket
if tk.ID != tid || len(tk.Changes) != 2 {
t.Fatalf("ticket = %+v", tk)
}
if fieldValue(tk.Fields, "status") != "Closed" || fieldValue(tk.Fields, "resolution") != "Fixed" {
t.Fatalf("fold wrong: %+v", tk.Fields)
}
if tk.Created != "2026-08-15T09:00:00" || tk.Updated != "2026-08-15T10:00:00" {
t.Fatalf("created/updated: %+v", tk)
}
}
func TestSearchOp(t *testing.T) {
ix := wikiIndex(t)
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(ix)}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "search.query", searchIn{Repo: "test", Q: "Design", Limit: 50})
if err != nil {
t.Fatal(err)
}
res := got.(searchOut)
if res.Count == 0 {
t.Fatalf("no hits: %+v", res)
}
}
func TestEntityNotFoundWrapsSentinel(t *testing.T) {
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(wikiIndex(t))}); err != nil {
t.Fatal(err)
}
for name, in := range map[string]any{
"wiki.get": wikiGetIn{Repo: "test", Name: "NoSuchPage"},
"ticket.get": ticketGetIn{Repo: "test", ID: "deadbeef"},
"checkin.get": checkinGetIn{Repo: "test", Hash: "deadbeefdeadbeef"},
"checkin.diff": diffGetIn{Repo: "test", Hash: "deadbeefdeadbeef"},
} {
_, err := r.Invoke(context.Background(), name, in)
if !errors.Is(err, ops.ErrNotFound) {
t.Errorf("%s: err %v does not wrap ErrNotFound", name, err)
}
}
}
func TestSearchTicketDocIsFoldedState(t *testing.T) {
// tickets 050 + 130: search over tickets sees CURRENT state with a
// human label; stale early-change values don't match at all.
ix := wikiIndex(t)
tid := strings.Repeat("ef", 20)
if err := ix.FoldNow([]index.Parsed{
{Hash: "ddd1", Art: &artifact.Artifact{Type: artifact.Ticket, TicketID: tid,
Date: "2026-08-15T09:00:00", User: "dan",
Fields: []artifact.Field{{Name: "status", Value: "Openish"}, {Name: "title", Value: "typo in docs"}}}},
{Hash: "ddd2", Art: &artifact.Artifact{Type: artifact.Ticket, TicketID: tid,
Date: "2026-08-15T10:00:00", User: "eve",
Fields: []artifact.Field{{Name: "status", Value: "Closedish"}}}},
}); err != nil {
t.Fatal(err)
}
hits, err := ix.Search("typo", 10)
if err != nil {
t.Fatal(err)
}
if len(hits) != 1 || hits[0].Label != "typo in docs" {
t.Fatalf("hits = %+v", hits)
}
if !strings.Contains(hits[0].Snippet, "⟦typo⟧") {
t.Fatalf("marker missing: %q", hits[0].Snippet)
}
// The superseded status value is gone from the corpus entirely.
if stale, _ := ix.Search("Openish", 10); len(stale) != 0 {
t.Fatalf("stale field value still searchable: %+v", stale)
}
if cur, _ := ix.Search("Closedish", 10); len(cur) != 1 {
t.Fatalf("current field value not searchable: %+v", cur)
}
}
func TestSearchLimitZeroIsLiteral(t *testing.T) {
// ticket 080: an explicit limit=0 caps to zero results.
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(wikiIndex(t))}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "search.query", searchIn{Repo: "test", Q: "Design", Limit: 0})
if err != nil {
t.Fatal(err)
}
if got.(searchOut).Count != 0 {
t.Fatalf("limit=0 returned results: %+v", got)
}
}
func testRepos(ix *index.Index) map[string]*Repo {
return map[string]*Repo{"test": {Index: ix}}
}
func TestUnknownRepoIsNotFound(t *testing.T) {
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(wikiIndex(t))}); err != nil {
t.Fatal(err)
}
_, err := r.Invoke(context.Background(), "wiki.list", wikiListIn{Repo: "nope"})
if !errors.Is(err, ops.ErrNotFound) {
t.Fatalf("unknown repo: err %v does not wrap ErrNotFound", err)
}
}
func TestRepoList(t *testing.T) {
ix := wikiIndex(t)
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: map[string]*Repo{
"beta": {Index: ix}, "alpha": {Index: ix},
}}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "repo.list", repoListIn{})
if err != nil {
t.Fatal(err)
}
fl := got.(repoListOut)
if fl.Count != 2 || fl.Repos[0].Name != "alpha" || fl.Repos[1].Name != "beta" {
t.Fatalf("fleet = %+v", fl)
}
}
func TestTimelinePagination(t *testing.T) {
ix := wikiIndex(t)
var hashes []string
var batch []index.Parsed
for i := 0; i < 5; i++ {
h := strings.Repeat(fmt.Sprintf("%02d", i), 32)
hashes = append(hashes, h)
batch = append(batch, index.Parsed{Hash: h, Art: &artifact.Artifact{
Type: artifact.Manifest, User: "dan",
Date: fmt.Sprintf("2026-08-15T0%d:00:00", i),
Comment: fmt.Sprintf("commit %d", i),
}})
}
if err := ix.FoldNow(batch); err != nil {
t.Fatal(err)
}
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(ix)}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "timeline.list", timelineIn{Repo: "test", Limit: 2, Y: "ci"})
if err != nil {
t.Fatal(err)
}
p1 := got.(timelineOut)
if p1.Count != 2 || p1.Entries[0].Comment != "commit 4" || p1.Next == "" {
t.Fatalf("page 1 = %+v", p1)
}
got, err = r.Invoke(context.Background(), "timeline.list", timelineIn{Repo: "test", Limit: 2, Before: p1.Next, Y: "ci"})
if err != nil {
t.Fatal(err)
}
p2 := got.(timelineOut)
if p2.Count != 2 || p2.Entries[0].Comment != "commit 2" || p2.Next == "" {
t.Fatalf("page 2 = %+v", p2)
}
got, err = r.Invoke(context.Background(), "timeline.list", timelineIn{Repo: "test", Limit: 2, Before: p2.Next, Y: "ci"})
if err != nil {
t.Fatal(err)
}
p3 := got.(timelineOut)
if p3.Count != 1 || p3.Entries[0].Comment != "commit 0" || p3.Next != "" {
t.Fatalf("page 3 = %+v", p3)
}
}
func branchArts(h1, h2, h3 string) []index.Parsed {
// root (tagged trunk) ← child (untagged) ← branch start (tagged dev)
return []index.Parsed{
{Hash: h1, Art: &artifact.Artifact{Type: artifact.Manifest,
Date: "2026-08-15T09:00:00", User: "dan", Comment: "root",
Tags: []artifact.Tag{{Name: "*branch", Target: "*", Value: "trunk"}}}},
{Hash: h2, Art: &artifact.Artifact{Type: artifact.Manifest,
Date: "2026-08-15T09:10:00", User: "dan", Comment: "on trunk",
Parents: []string{h1}}},
{Hash: h3, Art: &artifact.Artifact{Type: artifact.Manifest,
Date: "2026-08-15T09:20:00", User: "dan", Comment: "start dev",
Parents: []string{h2},
Tags: []artifact.Tag{{Name: "*branch", Target: "*", Value: "dev"}}}},
}
}
func TestBranchPropagation(t *testing.T) {
h1, h2, h3 := strings.Repeat("11", 32), strings.Repeat("22", 32), strings.Repeat("33", 32)
arts := branchArts(h1, h2, h3)
// Fold twice: forward order, and children-before-parents. The
// wholesale recompute must converge identically (order independence
// is what keeps the branch column disposability-safe).
for name, order := range map[string][]int{"forward": {0, 1, 2}, "reversed": {2, 1, 0}} {
ix, err := index.Open(filepath.Join(t.TempDir(), "i.db"))
if err != nil {
t.Fatal(err)
}
for _, i := range order {
if err := ix.FoldNow(arts[i : i+1]); err != nil {
t.Fatal(err)
}
}
tl, _, err := ix.Timeline(10, "", "", "ci")
if err != nil {
t.Fatal(err)
}
got := map[string]string{}
for _, e := range tl {
got[e.Comment] = e.Branch
}
want := map[string]string{"root": "trunk", "on trunk": "trunk", "start dev": "dev"}
for c, b := range want {
if got[c] != b {
t.Errorf("%s order: %q on branch %q, want %q", name, c, got[c], b)
}
}
ix.Close()
}
}
func TestBranchFilterAndControlRetag(t *testing.T) {
h1, h2, h3 := strings.Repeat("44", 32), strings.Repeat("55", 32), strings.Repeat("66", 32)
ix, err := index.Open(filepath.Join(t.TempDir(), "i.db"))
if err != nil {
t.Fatal(err)
}
t.Cleanup(func() { ix.Close() })
if err := ix.FoldNow(branchArts(h1, h2, h3)); err != nil {
t.Fatal(err)
}
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(ix)}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "timeline.list",
timelineIn{Repo: "test", Limit: 10, Branch: "dev"})
if err != nil {
t.Fatal(err)
}
tl := got.(timelineOut)
if tl.Count != 1 || tl.Entries[0].Comment != "start dev" {
t.Fatalf("dev filter = %+v", tl)
}
// A later control artifact moves h3 to another branch; the recompute
// must pick it up. (Tag priority between conflicting sources is
// future work; a single retag must work.)
if err := ix.FoldNow([]index.Parsed{{Hash: "ctl1", Art: &artifact.Artifact{
Type: artifact.Control, Date: "2026-08-15T10:00:00", User: "dan",
Tags: []artifact.Tag{{Name: "*branch", Target: h3, Value: "renamed"}},
}}}); err != nil {
t.Fatal(err)
}
got, err = r.Invoke(context.Background(), "timeline.list",
timelineIn{Repo: "test", Limit: 10, Branch: "renamed"})
if err != nil {
t.Fatal(err)
}
if got.(timelineOut).Count != 1 {
t.Fatalf("control retag not applied: %+v", got)
}
}
func TestUnifiedTimeline(t *testing.T) {
// wikiIndex has 3 wiki edits; add a check-in and a ticket change,
// then assert the kinds interleave by date and each filter isolates.
ix := wikiIndex(t)
ci := strings.Repeat("77", 32)
tid := strings.Repeat("88", 20)
if err := ix.FoldNow([]index.Parsed{
{Hash: ci, Art: &artifact.Artifact{Type: artifact.Manifest,
Date: "2026-08-15T10:30:00", User: "dan", Comment: "between the wiki edits"}},
{Hash: "tk1", Art: &artifact.Artifact{Type: artifact.Ticket, TicketID: tid,
Date: "2026-08-15T12:00:00", User: "eve",
Fields: []artifact.Field{{Name: "title", Value: "a ticket"}, {Name: "status", Value: "Open"}}}},
}); err != nil {
t.Fatal(err)
}
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(ix)}); err != nil {
t.Fatal(err)
}
got, err := r.Invoke(context.Background(), "timeline.list", timelineIn{Repo: "test", Limit: 50})
if err != nil {
t.Fatal(err)
}
all := got.(timelineOut)
// 3 wiki + 1 ci + 1 ticket = 5, newest first: ticket, wiki, ci, wiki, wiki
kinds := []string{}
for _, e := range all.Entries {
kinds = append(kinds, e.Kind)
}
want := []string{"t", "w", "ci", "w", "w"}
if fmt.Sprint(kinds) != fmt.Sprint(want) {
t.Fatalf("kinds = %v, want %v", kinds, want)
}
// Ticket row carries the folded title and its id as ref.
if e := all.Entries[0]; e.Ref != tid || !strings.Contains(e.Comment, "a ticket") {
t.Fatalf("ticket event = %+v", e)
}
// Wiki row refs its title.
if e := all.Entries[1]; e.Ref != "Home" || !strings.Contains(e.Comment, "Home") {
t.Fatalf("wiki event = %+v", e)
}
for y, wantN := range map[string]int{"ci": 1, "w": 3, "t": 1} {
got, err := r.Invoke(context.Background(), "timeline.list", timelineIn{Repo: "test", Limit: 50, Y: y})
if err != nil {
t.Fatal(err)
}
if n := got.(timelineOut).Count; n != wantN {
t.Fatalf("y=%s: count %d, want %d", y, n, wantN)
}
}
}
// TestTicketListPagination walks the composite updated~ticket cursor
// across three pages and checks global order and completeness.
func TestTicketListPagination(t *testing.T) {
ix, err := index.Open(filepath.Join(t.TempDir(), "index.db"))
if err != nil {
t.Fatal(err)
}
t.Cleanup(func() { ix.Close() })
var batch []index.Parsed
for i := 0; i < 7; i++ {
tid := strings.Repeat(fmt.Sprintf("%02d", i), 20)
batch = append(batch, index.Parsed{
Hash: fmt.Sprintf("h%02d", i),
Art: &artifact.Artifact{Type: artifact.Ticket, TicketID: tid,
// Two tickets share an updated stamp to exercise the id tiebreak.
Date: fmt.Sprintf("2026-08-15T%02d:00:00", 10+i/2), User: "dan",
Fields: []artifact.Field{{Name: "title", Value: fmt.Sprintf("t%d", i)}}},
})
}
if err := ix.FoldNow(batch); err != nil {
t.Fatal(err)
}
r := ops.NewRegistry()
if err := RegisterAll(r, Deps{Version: "v", Repos: testRepos(ix)}); err != nil {
t.Fatal(err)
}
var seen []string
before := ""
pages := 0
for {
got, err := r.Invoke(context.Background(), "ticket.list",
ticketListIn{Repo: "test", Limit: 3, Before: before})
if err != nil {
t.Fatal(err)
}
out := got.(ticketListOut)
if len(out.Tickets) == 0 {
t.Fatalf("empty page %d", pages)
}
for _, tk := range out.Tickets {
seen = append(seen, tk.ID)
}
pages++
if out.Next == "" {
break
}
before = out.Next
}
if pages != 3 || len(seen) != 7 {
t.Fatalf("pages=%d seen=%d %v", pages, len(seen), seen)
}
uniq := map[string]bool{}
for _, id := range seen {
if uniq[id] {
t.Fatalf("duplicate across pages: %s", id)
}
uniq[id] = true
}
}