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Blame · server/web/mentions_test.go

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a6b42433 Keenan Nemetz 8d ago	1	package web
	2
	3	// A mention on the page has to mean what a mention means to CI. The scanner is
	4	// metadata.EachMention, the one the trigger server uses, and the renderer only
	5	// links names that belong to an account. These tests hold both halves: what is
	6	// linked, and what deliberately is not.
	7
	8	import (
	9	"strings"
	10	"testing"
	11	)
	12
	13	func TestMentionsBecomeProfileLinks(t *testing.T) {
	14	t.Parallel()
	15	s := newSite(t)
	16	html := string(s.web.renderMarkdown("demo", "hi @alice, take a look"))
	17
ed03b3d1 Keenan Nemetz 4h ago	18	if !strings.Contains(html, `href="/-/u/alice"`) \|\| !strings.Contains(html, ">@alice</a>") {
a6b42433 Keenan Nemetz 8d ago	19	t.Fatalf("mention was not linked:\n%s", html)
	20	}
	21	}
	22
	23	func TestMentionLinksSkipWhatIsNotAnAddress(t *testing.T) {
	24	t.Parallel()
	25	s := newSite(t)
	26	cases := []struct {
	27	name string
	28	src string
	29	}{
	30	{"email", "mail alice@example.com about it"},
	31	{"url", "see https://example.test/@alice"},
	32	{"inline code", "use `@alice` in a sample"},
	33	{"fenced block", "```\n@alice\n```"},
	34	{"escaped", `write \@alice literally`},
	35	{"unknown name", "hi @nobody"},
	36	{"path", "look in docs/@alice/readme"},
	37	}
	38	for _, c := range cases {
	39	t.Run(c.name, func(t *testing.T) {
	40	html := string(s.web.renderMarkdown("demo", c.src))
ed03b3d1 Keenan Nemetz 4h ago	41	if strings.Contains(html, "/-/u/alice") \|\| strings.Contains(html, "/-/u/nobody") {
a6b42433 Keenan Nemetz 8d ago	42	t.Fatalf("%s was linked:\n%s", c.name, html)
	43	}
	44	})
	45	}
	46	}
	47
	48	// A mention inside an existing link's label must not become a nested link: the
	49	// browser would close the outer one and the markdown the author wrote would no
	50	// longer say what the page shows.
	51	func TestMentionInsideALinkIsLeftAlone(t *testing.T) {
	52	t.Parallel()
	53	s := newSite(t)
	54	html := string(s.web.renderMarkdown("demo", "[ask @alice](https://example.test/ask)"))
	55
	56	if got := strings.Count(html, "<a "); got != 1 {
	57	t.Fatalf("link count = %d, want 1:\n%s", got, html)
	58	}
	59	if !strings.Contains(html, `href="https://example.test/ask"`) {
	60	t.Fatalf("the author's link was rewritten:\n%s", html)
	61	}
	62	}
	63
	64	// A README is documentation, not somebody being addressed, so it is rendered
	65	// without profile links even though the same account exists.
	66	func TestDocumentationDoesNotLinkMentions(t *testing.T) {
	67	t.Parallel()
	68	s := newSite(t)
	69	html := string(s.web.renderTreeMarkdown(treeDoc{Repo: "demo"}, "the @alice flag turns it on"))
	70
ed03b3d1 Keenan Nemetz 4h ago	71	if strings.Contains(html, "/-/u/alice") {
a6b42433 Keenan Nemetz 8d ago	72	t.Fatalf("a README mention became a profile link:\n%s", html)
	73	}
	74	}
	75
	76	// Mentions at the edge of prose still count: after a line break and after
	77	// punctuation, which is how people actually write them.
	78	func TestMentionAtLineStartAndAfterPunctuation(t *testing.T) {
	79	t.Parallel()
	80	s := newSite(t)
	81	for _, src := range []string{
	82	"first line\n@alice please look",
	83	"(@alice) please look",
	84	} {
	85	html := string(s.web.renderMarkdown("demo", src))
ed03b3d1 Keenan Nemetz 4h ago	86	if !strings.Contains(html, `href="/-/u/alice"`) {
a6b42433 Keenan Nemetz 8d ago	87	t.Fatalf("%q was not linked:\n%s", src, html)
	88	}
	89	}
	90	}
	91
	92	// The link survives sanitisation: if bluemonday dropped it, the page would show
	93	// plain text and the test above would still pass on the raw markdown.
	94	func TestMentionLinkSurvivesTheSanitizer(t *testing.T) {
	95	t.Parallel()
	96	s := newSite(t)
	97	html := string(s.web.renderMarkdown("demo", "@alice"))
ed03b3d1 Keenan Nemetz 4h ago	98	if !strings.Contains(html, `href="/-/u/alice"`) {
a6b42433 Keenan Nemetz 8d ago	99	t.Fatalf("the sanitised mention is not a link:\n%s", html)
	100	}
	101	}