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Artifact [e792b50530]

Artifact e792b50530d8098586e2ee25840bfcfd6ae456fbb97f3bb5976c04523bcfd02e:


package web

import (
	"bytes"
	"net/http"
	"net/http/httptest"
	"net/url"
	"regexp"
	"strings"
	"testing"
	"time"

	"craftdesign.group/quarry/internal/api"
	"craftdesign.group/quarry/internal/oltp"
	"craftdesign.group/quarry/internal/ops"
)

// The rail is built from the same list the sections are, so each rail
// entry is a section on the page and they come in the same order.
func TestSettingsRailNamesEverySectionInOrder(t *testing.T) {
	body := renderSettings(t, pageData{Repo: "alpha", HasHooks: true, Caps: &capsPanel{}})
	rail := body[strings.Index(body, `class="set-rail"`):strings.Index(body, `class="set-body"`)]
	var hrefs []string
	for _, m := range regexp.MustCompile(`href="#([a-z-]+)"`).FindAllStringSubmatch(rail, -1) {
		hrefs = append(hrefs, m[1])
	}
	var ids []string
	for _, m := range regexp.MustCompile(`<(?:section|h3) id="([a-z-]+)"`).FindAllStringSubmatch(body, -1) {
		ids = append(ids, m[1])
	}
	if len(hrefs) < 5 || strings.Join(hrefs, " ") != strings.Join(ids, " ") {
		t.Fatalf("rail %v\nsections %v", hrefs, ids)
	}
}

// Every destructive button asks through the one dialog; the dialog is
// an enhancement, so each such button is a real submit inside a real
// post form and works with no script at all.
func TestSettingsConfirmButtonsAreRealSubmits(t *testing.T) {
	body := renderSettings(t, pageData{Repo: "alpha", HasHooks: true, Caps: &capsPanel{},
		Hooks: []HookSub{{ID: 1, URL: "https://x/y"}}, Protect: &protectPanel{Rules: []protectRule{{Branch: "trunk"}}},
		Roster: &rosterPanel{Rows: []rosterRow{{Name: "bob", Caps: "v"}}}})
	if n := strings.Count(body, `<dialog id="confirm"`); n != 1 {
		t.Fatalf("%d confirm dialogs, want one", n)
	}
	confirms := regexp.MustCompile(`<button[^>]*data-confirm=`).FindAllString(body, -1)
	if len(confirms) < 3 {
		t.Fatalf("only %d data-confirm buttons in %q", len(confirms), confirms)
	}
	for _, b := range confirms {
		if !strings.Contains(b, `type="submit"`) {
			t.Errorf("data-confirm on a non-submit: %s", b)
		}
	}
	for _, m := range regexp.MustCompile(`(?s)<form[^>]*>.*?</form>`).FindAllString(body, -1) {
		if strings.Contains(m, "data-confirm") && !strings.Contains(m, `method="post"`) {
			t.Errorf("confirm button outside a post form: %.80s", m)
		}
	}
}

// The footer flows on Settings — the last Save used to sit under the
// fixed one — and nowhere else.
func TestSettingsFooterFlows(t *testing.T) {
	plane := &memCaps{stored: map[string]string{"dan": "a"}}
	srv := peopleServer(t, plane)
	if body := asDan(t, srv, "/r/alpha/settings"); !strings.Contains(body, `<body class="flow-footer"`) {
		t.Fatal("settings body does not carry flow-footer")
	}
	if body := asDan(t, srv, "/"); strings.Contains(body, "flow-footer") {
		t.Fatal("home page carries flow-footer")
	}
	for _, want := range []string{"body.flow-footer footer { position: static;", ".set-body .caps-table tr { display: grid;"} {
		if !strings.Contains(sheetLiteral, want) {
			t.Errorf("sheet lacks %q", want)
		}
	}
}

// A row's Remove posts the person page's own revoke with back=settings:
// the role goes, the page comes back to People. The last admin's row
// has no working Remove, and posting it anyway is refused by the guard
// and reported on the settings page, the role untouched.
func TestSettingsRowRemoveRevokesAndReturns(t *testing.T) {
	plane := &memCaps{stored: map[string]string{"dan": "a", "bob": "v"}}
	srv := peopleServer(t, plane)
	body := asDan(t, srv, "/r/alpha/settings")
	if !strings.Contains(body, `<button type="submit" disabled>Remove</button>`) {
		t.Fatal("the only admin's Remove is not disabled")
	}
	resp := postAsDan(t, srv, "/r/alpha/people/bob", url.Values{"revoke": {"1"}, "back": {"settings"}})
	if resp.StatusCode != http.StatusSeeOther || !strings.HasSuffix(resp.Header.Get("Location"), "/r/alpha/settings#people") {
		t.Fatalf("%d -> %s", resp.StatusCode, resp.Header.Get("Location"))
	}
	if plane.stored["bob"] != "" {
		t.Fatalf("bob still holds %q", plane.stored["bob"])
	}
	resp = postAsDan(t, srv, "/r/alpha/people/dan", url.Values{"revoke": {"1"}, "back": {"settings"}})
	loc, _ := url.Parse(resp.Header.Get("Location"))
	if resp.StatusCode != http.StatusSeeOther || loc.Path != "/r/alpha/settings" || loc.Query().Get("e") == "" || loc.Fragment != "people" {
		t.Fatalf("refusal went %d -> %s", resp.StatusCode, resp.Header.Get("Location"))
	}
	if plane.stored["dan"] != "a" {
		t.Fatalf("dan's admin was removed: %q", plane.stored["dan"])
	}
}

type recProtect struct {
	rules map[string][]oltp.Protection
	set   map[string][]string
}

func (p *recProtect) MayJoin(string, string, string) bool                { return true }
func (p *recProtect) Protections(repo string) ([]oltp.Protection, error) { return p.rules[repo], nil }
func (p *recProtect) SetProtection(_, branch string, owners []string) error {
	p.set[branch] = owners
	return nil
}

// A rule's Remove names its row with drop=N; that row is cleared and the
// others are written as the form holds them.
func TestProtectDropRemovesOneRule(t *testing.T) {
	plane := &recProtect{set: map[string][]string{}, rules: map[string][]oltp.Protection{
		"alpha": {{Branch: "trunk", Owners: []string{"alice"}}, {Branch: "release-*", Owners: []string{"bob"}}}}}
	r := ops.NewRegistry()
	if err := api.RegisterAll(r, api.Deps{Version: "v",
		Repos: api.NewRepos(map[string]*api.Repo{"alpha": {Index: landingIndex(t, false)}}), Protect: plane}); err != nil {
		t.Fatal(err)
	}
	srv := httptest.NewServer(HandlerWith(r, nil, nil, []Option{
		WithSessions(fakeSessions{user: "dan", roles: map[string]ops.Auth{"alpha": ops.Admin}}),
		WithCaps(&memCaps{stored: map[string]string{"dan": "a"}}), WithProtect(plane)}))
	t.Cleanup(srv.Close)
	resp := postAsDan(t, srv, "/r/alpha/settings/protect", url.Values{
		"branch-0": {"trunk"}, "owners-0": {"alice"},
		"branch-1": {"release-*"}, "owners-1": {"bob"},
		"branch-2": {""}, "owners-2": {""}, "drop": {"0"}})
	if resp.StatusCode != http.StatusSeeOther {
		t.Fatalf("status %d", resp.StatusCode)
	}
	if got := plane.set["trunk"]; len(got) != 0 {
		t.Fatalf("trunk kept owners %v", got)
	}
	if got := strings.Join(plane.set["release-*"], " "); got != "bob" {
		t.Fatalf("release-* owners %q", got)
	}
}

// Every picker names a datalist, and every named datalist is on the
// page when there is anything to list — an id that dangles is a picker
// that silently offers nothing.
func TestSettingsPickersNameDatalistsOnThePage(t *testing.T) {
	body := renderSettings(t, pageData{Repo: "alpha", HasHooks: true, Caps: &capsPanel{},
		Protect: &protectPanel{Rules: []protectRule{{Branch: "trunk"}}, Blank: 1},
		Roster:  &rosterPanel{}, Logins: []string{"dan"}, CheckNames: []string{"go"}, TopicNames: []string{"ops"},
		EventNouns: []string{"push"}})
	ids := map[string]bool{}
	for _, m := range regexp.MustCompile(`<datalist id="([a-z-]+)"`).FindAllStringSubmatch(body, -1) {
		ids[m[1]] = true
	}
	refs := regexp.MustCompile(`<input[^>]* list="([a-z-]+)"`).FindAllStringSubmatch(body, -1)
	if len(refs) < 5 {
		t.Fatalf("only %d inputs name a list", len(refs))
	}
	for _, m := range refs {
		if !ids[m[1]] {
			t.Errorf("input names list %q, no datalist has that id", m[1])
		}
	}
}

// A chip picker is script over a plain named text field: the field
// keeps its name and its space-separated value, so the post the handler
// reads is the same one it read before the chips.
func TestSettingsChipInputsArePlainTextFields(t *testing.T) {
	body := renderSettings(t, pageData{Repo: "alpha", HasHooks: true, Caps: &capsPanel{},
		Protect: &protectPanel{Rules: []protectRule{{Branch: "trunk", Owners: "dan bob", Checks: "go vet"}}, Blank: 1},
		Hooks:   []HookSub{{ID: 1, URL: "https://x/y", Events: "push"}}, EventNouns: []string{"push", "ticket"}})
	chips := regexp.MustCompile(`<input[^>]*data-chips[^>]*>`).FindAllString(body, -1)
	if len(chips) < 5 {
		t.Fatalf("only %d chip inputs: %q", len(chips), chips)
	}
	for _, in := range chips {
		if !strings.Contains(in, ` name="`) || strings.Contains(in, `type="hidden"`) {
			t.Errorf("chip input is not a named text field: %s", in)
		}
		if !strings.Contains(in, ` list="`) {
			t.Errorf("chip input without a list: %s", in)
		}
	}
	if !strings.Contains(body, `value="dan bob"`) || !strings.Contains(body, `value="go vet"`) {
		t.Error("owners or checks lost their space-separated value")
	}
}

type seenChecks struct {
	recProtect
	seen  []string
	rules []oltp.CheckRule
}

func (s *seenChecks) CheckNamesSeen(string, time.Time) ([]string, error) { return s.seen, nil }
func (s *seenChecks) CheckRules(string) ([]oltp.CheckRule, error)        { return s.rules, nil }

// The check picker offers what CI has reported and what a rule already
// requires, once each, sorted — a rule can name a check that has not
// run yet, and a check that has run may be required by no rule.
func TestCheckNamesUnionSeenAndRequired(t *testing.T) {
	p := &seenChecks{seen: []string{"vet", "go"}, rules: []oltp.CheckRule{{Branch: "trunk", Checks: []string{"go", "lint"}}}}
	got := checkNamesFor(p, "alpha")
	if strings.Join(got, " ") != "go lint vet" {
		t.Fatalf("got %v", got)
	}
	if got := checkNamesFor(&recProtect{}, "alpha"); len(got) != 0 {
		t.Fatalf("plane with no checks gave %v", got)
	}
}

// The fossil filter earns its place only on a long list.
func TestFossilFilterOnlyOnLongLists(t *testing.T) {
	rows := func(n int) []fossilRow {
		out := make([]fossilRow, n)
		for i := range out {
			out[i].Name = "s" + strings.Repeat("x", i)
		}
		return out
	}
	short := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{}, Fossil: &fossilPanel{Supported: true, Rows: rows(5)}})
	long := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{}, Fossil: &fossilPanel{Supported: true, Rows: rows(20)}})
	if strings.Contains(short, `data-filter="fossil-rows"`) {
		t.Error("filter on a short list")
	}
	if !strings.Contains(long, `data-filter="fossil-rows"`) || !strings.Contains(long, `id="fossil-rows"`) {
		t.Error("long list has no filter, or the filter names a body that is not there")
	}
}

// A rule is read as a sentence and edited under a disclosure, but the
// fields the handler indexes are unchanged: branch/owners/checks/premerge
// at the row's own number, and the blank row at Blank.
func TestRulesKeepTheirIndexedFields(t *testing.T) {
	body := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{},
		Protect: &protectPanel{Blank: 2, Rules: []protectRule{
			{Branch: "trunk", Owners: "dan", OwnerList: []string{"dan"}},
			{Branch: "release-*", Checks: "go", CheckList: []string{"go"}, Premerge: true},
		}}})
	for _, name := range []string{"branch-0", "owners-0", "checks-0", "premerge-0",
		"branch-1", "owners-1", "checks-1", "premerge-1",
		"branch-2", "owners-2", "checks-2", "premerge-2"} {
		if !strings.Contains(body, `name="`+name+`"`) {
			t.Errorf("no field named %q", name)
		}
	}
	if n := strings.Count(body, `class="rule-said"`); n != 2 {
		t.Errorf("%d rules read as sentences, want 2", n)
	}
	// Each sentence names its own branch and the people it lets in.
	said := regexp.MustCompile(`(?s)<p class="rule-said">(.*?)</p>`).FindAllStringSubmatch(body, -1)
	if len(said) != 2 || !strings.Contains(said[0][1], "trunk") || !strings.Contains(said[0][1], "dan") {
		t.Errorf("sentence does not name its branch and owner: %v", said)
	}
	if !strings.Contains(said[1][1], "go") {
		t.Error("a required check is not in the rule's sentence")
	}
}

// The two ways a rule is quietly dead are said on the rule. With no
// roster to compare against, no owner is accused.
func TestRuleWarnsOnOwnersAndChecksThatCannotWork(t *testing.T) {
	p := &protectPanel{Blank: 1, Rules: []protectRule{
		{Branch: "trunk", Owners: "dan ghost", Checks: "go stale"}}}
	roster := &rosterPanel{Rows: []rosterRow{{Name: "dan"}}}
	annotateRules(p, roster, []string{"go"})
	r := p.Rules[0]
	if strings.Join(r.Unknown, " ") != "ghost" {
		t.Errorf("unknown owners %v, want just the one with no role", r.Unknown)
	}
	if strings.Join(r.Stale, " ") != "stale" {
		t.Errorf("stale checks %v, want the one nothing reported", r.Stale)
	}
	body := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{}, Protect: p, Roster: roster})
	if n := strings.Count(body, `class="rule-warn"`); n != 2 {
		t.Errorf("%d warnings drawn, want one per kind", n)
	}

	// No roster is not the same fact as "this owner holds no role".
	blind := &protectPanel{Rules: []protectRule{{Branch: "trunk", Owners: "dan"}}}
	annotateRules(blind, nil, nil)
	if len(blind.Rules[0].Unknown) != 0 {
		t.Errorf("owners accused with no roster to check against: %v", blind.Rules[0].Unknown)
	}
}

// Every matching rule applies, so the probe answers with the union and
// matches globs the way the gate does.
func TestProbeUnionsEveryMatchingRule(t *testing.T) {
	p := &protectPanel{Rules: []protectRule{
		{Branch: "release-*", Owners: "dan", Checks: "go"},
		{Branch: "release-1.2", Owners: "bob", Checks: "vet"},
		{Branch: "trunk", Owners: "eve"},
	}}
	annotateRules(p, nil, nil)
	got := probeFor(p, "release-1.2")
	if !got.Matched || len(got.Rules) != 2 {
		t.Fatalf("matched %v", got.Rules)
	}
	if strings.Join(got.Owners, " ") != "bob dan" || strings.Join(got.Checks, " ") != "go vet" {
		t.Errorf("owners %v checks %v: not the union of both rules", got.Owners, got.Checks)
	}
	if miss := probeFor(p, "topic"); miss == nil || miss.Matched {
		t.Errorf("a branch no rule names came back governed: %v", miss)
	}
	if probeFor(p, "") != nil || probeFor(nil, "trunk") != nil {
		t.Error("probe answered a question nobody asked")
	}
	// The probe is a GET form, so the answer survives with no script.
	body := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{}, Protect: p, Probe: got})
	if !strings.Contains(body, `<form method="get"`) || !strings.Contains(body, `class="probe-said"`) {
		t.Error("the probe is not a plain GET form with its answer on the page")
	}
}

// A role changes from the roster row, by the same fields the person
// page posts: was-role is what the row was rendered from, so the two
// take one path through the guard and the row returns to settings.
func TestRosterRowChangesRoleInline(t *testing.T) {
	body := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{},
		Roster: &rosterPanel{Admins: 2, Presets: oltp.Presets, Rows: []rosterRow{
			{Name: "dan", Role: "Developer", Caps: "vw", Plus: []string{"landings"}},
			{Name: "bob", Role: "Admin", Caps: "a", Admin: true},
		}}})
	rows := regexp.MustCompile(`(?s)<form[^>]*people/dan"[^>]*>(.*?)</form>`).FindStringSubmatch(body)
	if rows == nil {
		t.Fatal("no row form for dan")
	}
	row := rows[1]
	for _, want := range []string{`name="back" value="settings"`, `name="was-role" value="Developer"`,
		`<select name="role"`, `value="Developer" selected`} {
		if !strings.Contains(row, want) {
			t.Errorf("row is missing %q", want)
		}
	}
	// Every preset is offered, and the one the person holds is the one
	// selected — a picker that opens on the wrong answer is a trap.
	if n := strings.Count(row, "<option "); n != len(oltp.Presets) {
		t.Errorf("%d options for %d presets", n, len(oltp.Presets))
	}
	if strings.Count(row, " selected") != 1 {
		t.Error("not exactly one selected option")
	}
	// A person whose string differs from the preset is told what the
	// change costs, rather than losing the difference silently.
	if !strings.Contains(row, `class="set-why"`) {
		t.Error("a row with chips does not say the change replaces them")
	}
	plain := regexp.MustCompile(`(?s)<form[^>]*people/bob"[^>]*>(.*?)</form>`).FindStringSubmatch(body)
	if plain != nil && strings.Contains(plain[1], `class="set-why">changing`) {
		t.Error("a row with no chips warns about chips")
	}
}

// A reporter token says whether it is in service. "Never used" is the
// fact that makes a list of credentials revocable, so it is stated
// rather than left as an absence.
func TestReporterTokensSayWhenTheyLastReported(t *testing.T) {
	var panel ciTokenPanel
	remarshal(map[string]any{"tokens": []map[string]string{
		{"hash": strings.Repeat("a", 64), "label": "runner", "created": "2026-01-01T00:00:00Z", "used": "2026-08-30T00:00:00Z"},
		{"hash": strings.Repeat("b", 64), "label": "old", "created": "2026-01-01T00:00:00Z"},
	}}, &panel)
	if len(panel.Tokens) != 2 || panel.Tokens[0].Used == "" || panel.Tokens[1].Used != "" {
		t.Fatalf("the op's used field did not reach the page: %+v", panel.Tokens)
	}
	body := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{}, CITokens: &panel})
	rows := regexp.MustCompile(`(?s)<li>\s*<form[^>]*ci-tokens.*?</form>\s*</li>`).FindAllString(body, -1)
	if len(rows) != 2 {
		t.Fatalf("%d token rows", len(rows))
	}
	if !strings.Contains(rows[0], panel.Tokens[0].Used) {
		t.Error("a token in service does not say when it last reported")
	}
	if strings.Contains(rows[1], panel.Tokens[0].Used) {
		t.Error("an unused token borrowed another's last-used")
	}
}

// The hook row answers "did it fire" from the delivery log, and offers
// the two actions that answer it another way: send that one again, or
// send a test now. A forge with no log shows the endpoint and no
// history, rather than an empty history reading as "nothing was sent".
func TestHookRowShowsWhatTheEndpointReceived(t *testing.T) {
	hooks := []HookSub{{ID: 7, URL: "https://x/y", Active: true, Events: "*"}}
	with := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{}, HasHooks: true,
		Hooks: hooks, HookLog: map[int64][]HookDelivery{7: {
			{ID: 3, Kind: "checkin", At: "2026-09-04T10:00:00Z", Status: 500, Ms: 91, Attempt: 2, Err: "endpoint answered 500"},
			{ID: 2, Kind: "ticket", At: "2026-09-04T09:00:00Z", Status: 200, Ms: 42, Attempt: 1},
		}}})
	if !strings.Contains(with, `class="hook-log"`) {
		t.Fatal("the delivery log is not shown")
	}
	// The status is the fact, and success and failure read differently.
	if !strings.Contains(with, `class="d-st bad"`) || !strings.Contains(with, `class="d-st ok"`) {
		t.Error("an accepted and a refused delivery look the same")
	}
	if !strings.Contains(with, "endpoint answered 500") {
		t.Error("the reason a delivery failed is not shown")
	}
	// Redeliver names the DELIVERY; ping names the endpoint.
	if !strings.Contains(with, `name="do" value="redeliver"`) {
		t.Error("no way to send a recorded delivery again")
	}
	if !strings.Contains(with, `name="do" value="ping"`) {
		t.Error("no way to test the endpoint")
	}
	if !strings.Contains(with, `name="id" value="3"`) {
		t.Error("redeliver does not name which delivery")
	}

	// No log kept: the endpoint still renders, with no history section.
	none := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{}, HasHooks: true, Hooks: hooks})
	if strings.Contains(none, `class="hook-log"`) {
		t.Error("a forge with no delivery log claims an empty history")
	}
	if !strings.Contains(none, "https://x/y") {
		t.Error("the endpoint vanished with its history")
	}
}

// The trail shows what was changed HERE: which field, and what it held
// before.
//
// The kind whitelist that used to guard this is gone, and nothing
// replaces it. It existed because the trail was built from the event
// stream, where admitting a noun like `mirror.` would have turned the
// section into a pull log with the changes buried in it. The durable
// log records settings fields and nothing else, so there is no longer
// anything to keep out -- the property is structural instead of a list
// somebody has to remember to update.
func TestSettingsTrailShowsWhichFieldChanged(t *testing.T) {
	var many []SettingsChange
	for i := 0; i < 25; i++ {
		many = append(many, SettingsChange{Field: "description", Was: "old", Now: "new", Actor: "dan"})
	}
	store := &fixedSettings{rows: many}
	settingsChanges(store, "alpha")
	if store.asked != 10 {
		t.Errorf("the page asked the store for %d rows, want 10: the limit belongs in the "+
			"query, not in a slice of everything it returned", store.asked)
	}

	// Nothing to show is no section, not an empty one — and a forge
	// with no log renders the rest of settings unharmed.
	if got := settingsChanges(nil, "alpha"); got != nil {
		t.Error("a forge with no settings log invented a trail")
	}
	body := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{}})
	if strings.Contains(body, `id="trail"`) {
		t.Error("the trail section is drawn with nothing in it")
	}

	// What a reader came for: the field, and what it was before. The
	// record this replaced said "settings changed" and left both out.
	with := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{},
		Trail: []SettingsChange{{Field: "mirrorable", Was: "true", Now: "false", Actor: "dan"}}})
	if !strings.Contains(with, `id="trail"`) {
		t.Error("the trail is not rendered")
	}
	for _, want := range []string{"mirrorable", "true", "false"} {
		if !strings.Contains(with, want) {
			t.Errorf("the trail does not show %q, so it cannot say what changed or "+
				"what it was before", want)
		}
	}
	if !strings.Contains(with, `data-field="mirrorable"`) {
		t.Error("the row does not carry its field as a hook")
	}
	// The rail names it, so it is reachable rather than only scrollable.
	if !strings.Contains(with, `href="#trail"`) {
		t.Error("the rail does not name the trail")
	}
}

// A field going from nothing to something, and back, reads as setting
// and clearing rather than as an arrow from an empty string.
func TestSettingsTrailWordsEmptyValues(t *testing.T) {
	set := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{},
		Trail: []SettingsChange{{Field: "homepage", Was: "", Now: "https://x", Actor: "dan"}}})
	if !strings.Contains(set, "set to") {
		t.Error("a field given its first value does not read as being set")
	}
	cleared := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{},
		Trail: []SettingsChange{{Field: "homepage", Was: "https://x", Now: "", Actor: "dan"}}})
	if !strings.Contains(cleared, "cleared") {
		t.Error("a field emptied does not read as being cleared")
	}
}

// An unattributed write says so rather than rendering a blank byline.
// Empty is a real answer — an unauthenticated path — and the log
// records it as such instead of inventing an account.
func TestSettingsTrailNamesAnUnidentifiedCaller(t *testing.T) {
	body := renderSettings(t, pageData{Repo: "alpha", Caps: &capsPanel{},
		Trail: []SettingsChange{{Field: "chat", Was: "true", Now: "false"}}})
	if !strings.Contains(body, "an unidentified caller") {
		t.Error("a settings change with no actor renders an empty byline")
	}
}

type fixedSettings struct {
	rows  []SettingsChange
	asked int
}

func (f *fixedSettings) Changes(_ string, limit int) ([]SettingsChange, error) {
	f.asked = limit
	return f.rows, nil
}

// An owner bringing their own machines starts with NO tokens — that is
// the whole premise. The Worker tokens section, which holds the mint
// form, was shown only once a token already existed, so the first one
// could never be minted through the page. The Runners section above it
// meanwhile said "no runner has attached to this repository yet",
// which was true and unactionable.
//
// Rendered rather than reasoned about: the bug was a template
// condition, and it shipped because every check I ran was against a
// repository that already had what it needed.
func TestTheFirstWorkerTokenCanBeMinted(t *testing.T) {
	var buf bytes.Buffer
	if err := settingsPage.ExecuteTemplate(&buf, "content", pageData{
		Repo: "orchard", WorkerGroup: "orchard",
	}); err != nil {
		t.Fatal(err)
	}
	got := buf.String()
	for _, hook := range []string{`id="worker-tokens"`, `data-hook="mint-worker-token"`} {
		if !strings.Contains(got, hook) {
			t.Errorf("FAIL no %s with zero tokens — the first one cannot be minted", hook)
		} else {
			t.Logf("ok %s present with zero tokens", hook)
		}
	}
	// The page must have rendered around the control, not merely
	// contained the string: a template placed outside its own define
	// block once produced 350 bytes that still matched a substring.
	if len(got) < 2000 {
		t.Fatalf("FAIL settings page rendered %d bytes — too short to be the page", len(got))
	}
	t.Logf("ok page rendered (%d bytes)", len(got))
}

// Without an engine there is nothing for a worker to attach to, so the
// group is empty and neither section appears — no mint form that could
// not work if pressed.
func TestNoEngineMeansNoRunnerSections(t *testing.T) {
	var buf bytes.Buffer
	if err := settingsPage.ExecuteTemplate(&buf, "content", pageData{Repo: "orchard"}); err != nil {
		t.Fatal(err)
	}
	got := buf.String()
	for _, hook := range []string{`id="worker-tokens"`, `id="runners"`, `data-hook="mint-worker-token"`} {
		if strings.Contains(got, hook) {
			t.Errorf("FAIL %s shown with no engine", hook)
		} else {
			t.Logf("ok %s absent with no engine", hook)
		}
	}
}

// A rule that can never fire has to SAY so on the page.
//
// The whole defect was silence: protection keyed on a branch name that
// check-ins do not resolve to refuses nothing, and the settings page
// reported it as protected anyway. An operator set it, believed it, and
// the branch was open (d76e42b832f7). The warning sits beside the two
// that were already there — an owner with no role, a check nothing
// reports — because it is the same kind of quiet breakage.
func TestAnAliasRuleSaysItRefusesNothing(t *testing.T) {
	var buf bytes.Buffer
	if err := settingsPage.ExecuteTemplate(&buf, "content", pageData{
		Repo: "dantest-alias",
		Protect: &protectPanel{Rules: []protectRule{
			{Branch: "trunk", Owners: "jva", OwnerList: []string{"jva"}, Alias: "main"},
			{Branch: "main", Owners: "jva", OwnerList: []string{"jva"}},
		}},
	}); err != nil {
		t.Fatal(err)
	}
	got := buf.String()
	if !strings.Contains(got, `data-hook="rule-alias"`) {
		t.Fatal("FAIL: a rule naming an alias renders no warning — the page still says protected")
	}
	// Once, not on every rule: the real branch's own rule is fine and
	// must not be marked broken.
	if n := strings.Count(got, `data-hook="rule-alias"`); n != 1 {
		t.Errorf("FAIL: %d alias warnings for one alias rule, want 1", n)
	}
	t.Log("ok: the alias rule is marked, the real one is not")
}