gallery_test.gno

  1package gallery
  2
  3import (
  4	"strings"
  5	"testing"
  6
  7	"gno.land/p/nt/uassert/v0"
  8)
  9
 10func TestRenderIndexMarkdown(t *testing.T) {
 11	out := Render("")
 12	uassert.True(t, strings.Contains(out, "# moul's gallery"), "heading")
 13	uassert.True(t, strings.Contains(out, "```"), "the banner is fenced in markdown")
 14	uassert.True(t, strings.Contains(out, "| Piece |"), "a real markdown table")
 15	// The path is spelled out rather than taken from realmPath: a test that
 16	// reads the same constant the code does would pass with the version
 17	// dropped, which is the exact regression this pins.
 18	for _, p := range catalog() {
 19		uassert.True(t, strings.Contains(out, "/r/moul/gallery/v0:piece/"+p.Slug), p.Slug+" is linked")
 20	}
 21}
 22
 23// The two targets are different documents, not one with characters deleted.
 24func TestTextTargetStripsMarkdownAndDefersLinks(t *testing.T) {
 25	out := Render("piece/millipede?fmt=txt")
 26
 27	uassert.False(t, strings.Contains(out, "```"), "no code fences")
 28	uassert.False(t, strings.Contains(out, "**"), "no bold markers")
 29	uassert.False(t, strings.Contains(out, "]("), "no inline link syntax")
 30	uassert.False(t, strings.Contains(out, "\n#"), "no heading hashes")
 31
 32	// A heading is underlined instead.
 33	uassert.True(t, strings.Contains(out, "millipede\n========="), "underlined heading")
 34	// And the URL is a numbered footnote, not inline noise.
 35	uassert.True(t, strings.Contains(out, "the source realm [1]"), "inline marker")
 36	uassert.True(t, strings.Contains(out, "\nLinks:\n  [1] https://gno.land/r/moul/demo/millipede/v0"), "footnote block")
 37}
 38
 39func TestTextTableColumnsLineUp(t *testing.T) {
 40	out := Render("?fmt=txt")
 41	var header, rule string
 42	for _, line := range strings.Split(out, "\n") {
 43		if strings.HasPrefix(line, "  Piece ") {
 44			header = line
 45		}
 46		if strings.HasPrefix(line, "  ---") {
 47			rule = line
 48		}
 49	}
 50	uassert.True(t, header != "", "found the header")
 51	uassert.True(t, rule != "", "found the rule")
 52
 53	// Every column boundary in the rule is a pair of spaces in the header at
 54	// the same rune offset. That is the property an unpadded pipe table does
 55	// not have, and the reason the text target has its own table at all.
 56	uassert.Equal(t, gutters(rule), gutters(header), "columns start at the same offsets")
 57}
 58
 59// gutters returns the rune offsets at which a column starts: a non-space
 60// preceded by at least two spaces. Measuring where the PADDING starts instead
 61// would compare "Piece" against eleven dashes and report a difference that is
 62// not one.
 63func gutters(s string) string {
 64	r := []rune(s)
 65	out := ""
 66	for i := 2; i < len(r); i++ {
 67		if r[i] != ' ' && r[i-1] == ' ' && r[i-2] == ' ' {
 68			out += itoa(i) + ","
 69		}
 70	}
 71	return out
 72}
 73
 74func TestArtIsNeverEscapedOrWrapped(t *testing.T) {
 75	// The millipede is box-drawing and parentheses. A text target that ran it
 76	// through an escaper or a wrapper would ruin it, and it would still look
 77	// like a picture, which is what makes this worth pinning.
 78	out := Render("piece/millipede?fmt=txt")
 79	uassert.True(t, strings.Contains(out, "╚═(███)═╝"), "art survives verbatim")
 80	uassert.False(t, strings.Contains(out, "\\("), "no escaping")
 81}
 82
 83func TestUnknownPiece(t *testing.T) {
 84	uassert.True(t, strings.Contains(Render("piece/nope"), "no piece called nope"), "markdown 404")
 85	uassert.True(t, strings.Contains(Render("piece/nope?fmt=txt"), "No piece called nope."), "text 404")
 86	// An empty slug is the index, not a 404.
 87	uassert.True(t, strings.Contains(Render("piece/"), "# moul's gallery"), "empty slug falls back to the index")
 88}
 89
 90func TestLinkedPiecesSayWhyTheyAreNotRendered(t *testing.T) {
 91	p, ok := find("asciiart")
 92	uassert.True(t, ok, "found")
 93	uassert.False(t, p.Live(), "asciiart is private = true, so it cannot be imported")
 94
 95	out := Render("piece/asciiart")
 96	uassert.True(t, strings.Contains(out, "cannot import the source"), "says so rather than showing nothing")
 97}
 98
 99func TestEveryPieceRenders(t *testing.T) {
100	for _, p := range catalog() {
101		out := Render("piece/" + p.Slug)
102		uassert.True(t, strings.Contains(out, p.Title), p.Slug+" markdown")
103		uassert.True(t, len(Render("piece/"+p.Slug+"?fmt=txt")) > 0, p.Slug+" text")
104	}
105}
106
107func TestWrapKeepsLongWordsIntact(t *testing.T) {
108	long := "see gno.land/r/g17khqpukees4237dtn3astzapmp462vjhsz6st4/settlers/nft now"
109	got := wrap(long, 20)
110	// A path is worse broken than wide, so it overflows rather than splitting.
111	uassert.True(t, strings.Contains(got, "gno.land/r/g17khqpukees4237dtn3astzapmp462vjhsz6st4/settlers/nft"), "unbroken")
112	uassert.Equal(t, 3, len(strings.Split(got, "\n")), "three lines")
113}