package web
import (
"strings"
"testing"
"time"
)
// The layouts are what real corpora actually contain — fossil writes
// millisecond UTC with no zone, and an imported store carries the
// second-precision form too. A layout this misses renders the raw stamp,
// which is ugly but honest; a layout it MISPARSES would silently date
// every page wrong, so the parse is worth pinning.
func TestParseArtifactTimeCoversRealCorpusShapes(t *testing.T) {
want := time.Date(2025, 8, 25, 21, 25, 59, 0, time.UTC)
for _, s := range []string{
"2025-08-25T21:25:59.000", // fossil forum post
"2025-08-25T21:25:59", // second precision
"2025-08-25T21:25:59Z", // RFC3339, quarry's own stamps
"2025-08-25 21:25:59", // space-separated
} {
got, ok := parseArtifactTime(s)
if !ok {
t.Errorf("%q did not parse", s)
continue
}
if !got.Equal(want) {
t.Errorf("%q parsed to %v, want %v", s, got, want)
}
}
if _, ok := parseArtifactTime("last tuesday"); ok {
t.Error("nonsense parsed as a time")
}
}
// An unparseable stamp must be shown, not swallowed. A blank cell where
// a date belongs reads as "no date recorded", which is a different and
// wrong claim about the artifact.
func TestAgoShowsWhatItCannotParse(t *testing.T) {
if got := string(ago("not a date")); got != "not a date" {
t.Errorf("ago(unparseable) = %q, want it passed through", got)
}
if got := string(ago("")); got != "" {
t.Errorf("ago(empty) = %q, want empty", got)
}
// A parseable one keeps the exact value reachable, because a
// relative time is not something you can quote in a bug report.
got := string(ago("2025-08-25T21:25:59.000"))
if !strings.Contains(got, `datetime="2025-08-25T21:25:59Z"`) {
t.Errorf("ago dropped the machine-readable value: %s", got)
}
if !strings.Contains(got, `title="2025-08-25 21:25:59 UTC"`) {
t.Errorf("ago dropped the absolute value: %s", got)
}
}
func TestRelativeWording(t *testing.T) {
now := time.Date(2026, 8, 17, 12, 0, 0, 0, time.UTC)
for _, tc := range []struct {
at time.Time
want string
}{
{now.Add(-30 * time.Second), "just now"},
{now.Add(-time.Minute), "1 minute ago"},
{now.Add(-5 * time.Minute), "5 minutes ago"},
{now.Add(-time.Hour), "1 hour ago"},
{now.Add(-3 * time.Hour), "3 hours ago"},
{now.Add(-24 * time.Hour), "1 day ago"},
{now.Add(-13 * 24 * time.Hour), "13 days ago"},
// Past a month a date beats a day count; past a year the year is
// the part that carries the information.
{now.Add(-60 * 24 * time.Hour), "18 Jun"},
{now.Add(-400 * 24 * time.Hour), "13 Jul 2025"},
// Clock skew: a future stamp must not read as "in 3 minutes".
{now.Add(3 * time.Minute), "2026-08-17 12:03"},
} {
if got := relative(tc.at, now); got != tc.want {
t.Errorf("relative(%v) = %q, want %q", tc.at, got, tc.want)
}
}
}
// The nav's job is orientation, so the two states that carry it — where
// you are, and where there is nothing to find — must both survive into
// the markup, and must not collide into one attribute.
func TestNavlinkStates(t *testing.T) {
current := string(navlink("alpha", "forum", "forum", "forum", true, 12))
if !strings.Contains(current, `class="here"`) || !strings.Contains(current, `aria-current="page"`) {
t.Errorf("current section unmarked: %s", current)
}
if !strings.Contains(current, `>12</span>`) {
t.Errorf("count missing: %s", current)
}
empty := string(navlink("alpha", "wiki", "wiki", "forum", true, 0))
if !strings.Contains(empty, `class="empty"`) {
t.Errorf("empty section unmarked: %s", empty)
}
if !strings.Contains(empty, `href="/r/alpha/wiki"`) {
t.Errorf("empty section stopped being a link: %s", empty)
}
// Current AND empty is one class attribute, not two — a browser
// honours only the first, so the second state would vanish.
both := string(navlink("alpha", "wiki", "wiki", "wiki", true, 0))
// Count within the ANCHOR tag only; the count badge carries its own
// class and would otherwise be mistaken for a duplicate.
anchor, _, _ := strings.Cut(both, ">")
if strings.Count(anchor, "class=") != 1 {
t.Errorf("expected exactly one class attribute on the anchor: %s", both)
}
if !strings.Contains(anchor, "here") || !strings.Contains(anchor, "empty") {
t.Errorf("both states not preserved: %s", both)
}
// A section with nothing countable shows no badge rather than "0".
files := string(navlink("alpha", "tree", "files", "tree", false, false))
if strings.Contains(files, "<span") {
t.Errorf("uncountable section rendered a badge: %s", files)
}
}
// The marker has to follow a reader INTO a section, not just light up on
// its index page — otherwise it goes dark exactly when orientation
// matters most.
func TestSectionOfFollowsDeepPages(t *testing.T) {
for path, want := range map[string]string{
"/r/alpha": "tree",
"/r/alpha/tree": "tree",
"/r/alpha/file/trunk/README.md": "tree",
"/r/alpha/history/trunk/README.md": "tree",
"/r/alpha/timeline": "timeline",
"/r/alpha/checkin/abc123": "timeline",
"/r/alpha/diff": "timeline",
"/r/alpha/wiki": "wiki",
"/r/alpha/wiki/Home/history": "wiki",
"/r/alpha/ticket/abc/edit": "ticket",
"/r/alpha/forum/abc": "forum",
"/fleet": "",
} {
if got := sectionOf(path); got != want {
t.Errorf("sectionOf(%q) = %q, want %q", path, got, want)
}
}
}
// Badges exist so the numbers line up down the column, and a compact
// duration is what makes that possible — "34 minutes ago" is a different
// width in every row.
func TestAgoShortIsCompact(t *testing.T) {
for _, tc := range []struct{ d, want string }{
{"30s", "now"}, {"34m", "34m"}, {"12h", "12h"},
{"72h", "3d"}, {"9000h", "1y"},
} {
dur, err := time.ParseDuration(tc.d)
if err != nil {
t.Fatal(err)
}
stamp := time.Now().UTC().Add(-dur).Format("2006-01-02T15:04:05")
got := string(agoShort(stamp))
if !strings.Contains(got, ">"+tc.want+"<") {
t.Errorf("agoShort(-%s) = %q, want %q", tc.d, got, tc.want)
}
// The exact instant stays reachable; a badge is a summary, not a
// replacement for the value.
if !strings.Contains(got, "datetime=") || !strings.Contains(got, "title=") {
t.Errorf("agoShort dropped the precise value: %q", got)
}
}
if agoShort("not a date") != "" {
t.Error("agoShort invented a duration for an unparseable stamp")
}
}
// The nav's width was a function of its numbers: a repository with
// 25,557 check-ins rendered a visibly different nav from one with none,
// and on a phone it wrapped to three lines. Four characters is the
// budget; the exact figure lives in the badge's title.
func TestCompactCountIsBounded(t *testing.T) {
for _, tc := range []struct {
n int
want string
}{
{0, "0"}, {19, "19"}, {503, "503"}, {999, "999"},
{1000, "1K"}, {1100, "1.1K"}, {5809, "5.8K"}, {9999, "10K"},
{25557, "25K"}, {42118, "42K"}, {999999, "999K"},
{1000000, "1M"}, {1234567, "1.2M"}, {25000000, "25M"},
{-5, "0"},
} {
if got := compactCount(tc.n); got != tc.want {
t.Errorf("compactCount(%d) = %q, want %q", tc.n, got, tc.want)
}
if len(compactCount(tc.n)) > 4 {
t.Errorf("compactCount(%d) = %q, over the four-character budget", tc.n, compactCount(tc.n))
}
}
}
// Fossil technote titles carry HTML — "<b>Design Note:</b> About the
// Irreversible Schema Change" is a real one from fossil's own repo.
// Escaping it is safe but reads as literal markup in a list.
func TestPlainTitleStripsMarkup(t *testing.T) {
got := plainTitle(`<b>Design Note:</b> About the "Irreversible Schema Change"`)
want := `Design Note: About the "Irreversible Schema Change"`
if got != want {
t.Errorf("plainTitle = %q, want %q", got, want)
}
// The caller still escapes, so this is a readability pass and not a
// security boundary — but it must not leave a usable tag behind.
if strings.Contains(plainTitle(`<script>alert(1)</script>hi`), "<") {
t.Error("a tag survived stripping")
}
if plainTitle("no markup here") != "no markup here" {
t.Error("plain text was altered")
}
}