| 1 | package fiesta |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "io/fs" |
| 6 | "slices" |
| 7 | "sort" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | ) |
| 11 | |
| 12 | // The root package is the design system's files, embedded, behind a |
| 13 | // handful of accessors. These tests hold the accessors to the tree: |
| 14 | // every name a list returns is a file that is there, every file that |
| 15 | // is there is a name a list returns, and what an accessor hands back |
| 16 | // is the same bytes a caller would read from FS(). |
| 17 | |
| 18 | // readFS reads one path from FS(), failing the test when the tree |
| 19 | // is not there at all rather than letting a nil fs.FS panic the |
| 20 | // binary and hide every other test's verdict. |
| 21 | func readFS(t *testing.T, path string) []byte { |
| 22 | t.Helper() |
| 23 | tree := FS() |
| 24 | if tree == nil { |
| 25 | t.Fatalf("FS() is nil; the embedded tree is missing") |
| 26 | } |
| 27 | b, err := fs.ReadFile(tree, path) |
| 28 | if err != nil { |
| 29 | t.Fatalf("FS() has no %s: %v", path, err) |
| 30 | } |
| 31 | return b |
| 32 | } |
| 33 | |
| 34 | // listFS names the files under one directory of FS(), base names |
| 35 | // only, sorted. |
| 36 | func listFS(t *testing.T, dir string) []string { |
| 37 | t.Helper() |
| 38 | tree := FS() |
| 39 | if tree == nil { |
| 40 | t.Fatalf("FS() is nil; the embedded tree is missing") |
| 41 | } |
| 42 | entries, err := fs.ReadDir(tree, dir) |
| 43 | if err != nil { |
| 44 | t.Fatalf("FS() has no directory %s: %v", dir, err) |
| 45 | } |
| 46 | var names []string |
| 47 | for _, e := range entries { |
| 48 | if !e.IsDir() { |
| 49 | names = append(names, e.Name()) |
| 50 | } |
| 51 | } |
| 52 | sort.Strings(names) |
| 53 | return names |
| 54 | } |
| 55 | |
| 56 | func TestTheStylesheetsAreEmbedded(t *testing.T) { |
| 57 | for _, tc := range []struct { |
| 58 | name string |
| 59 | got []byte |
| 60 | path string |
| 61 | }{ |
| 62 | {"TokensCSS", TokensCSS(), "css/tokens.css"}, |
| 63 | {"ShellCSS", ShellCSS(), "css/shell.css"}, |
| 64 | } { |
| 65 | if len(tc.got) == 0 { |
| 66 | t.Errorf("%s() is empty", tc.name) |
| 67 | continue |
| 68 | } |
| 69 | if want := readFS(t, tc.path); !bytes.Equal(tc.got, want) { |
| 70 | t.Errorf("%s() differs from FS()'s %s", tc.name, tc.path) |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | func TestEveryThemeIsEmbedded(t *testing.T) { |
| 76 | want := []string{"day", "plain", "signal"} |
| 77 | if got := ThemeNames(); !slices.Equal(got, want) { |
| 78 | t.Fatalf("ThemeNames() = %q, want %q", got, want) |
| 79 | } |
| 80 | for _, name := range want { |
| 81 | css, ok := ThemeCSS(name) |
| 82 | if !ok { |
| 83 | t.Errorf("ThemeCSS(%q) reports no such theme", name) |
| 84 | continue |
| 85 | } |
| 86 | if !bytes.Contains(css, []byte(":root")) { |
| 87 | t.Errorf("ThemeCSS(%q) has no :root block", name) |
| 88 | } |
| 89 | if embedded := readFS(t, "css/themes/"+name+".css"); !bytes.Equal(css, embedded) { |
| 90 | t.Errorf("ThemeCSS(%q) differs from FS()'s css/themes/%s.css", name, name) |
| 91 | } |
| 92 | } |
| 93 | if _, ok := ThemeCSS("nope"); ok { |
| 94 | t.Errorf("ThemeCSS(%q) reports a theme that is not shipped", "nope") |
| 95 | } |
| 96 | var files []string |
| 97 | for _, f := range listFS(t, "css/themes") { |
| 98 | files = append(files, strings.TrimSuffix(f, ".css")) |
| 99 | } |
| 100 | if !slices.Equal(files, want) { |
| 101 | t.Errorf("css/themes/ holds %q, but ThemeNames() lists %q", files, want) |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | func TestEveryScriptIsEmbedded(t *testing.T) { |
| 106 | want := []string{"fiesta.js", "busy.js", "light.js", "anchor.js", "shell.js", "transition.js", "copy.js", "select.js", "datetime.js", "calendar.js"} |
| 107 | if got := ScriptNames(); !slices.Equal(got, want) { |
| 108 | t.Fatalf("ScriptNames() = %q, want %q", got, want) |
| 109 | } |
| 110 | for _, name := range want { |
| 111 | js, ok := Script(name) |
| 112 | if !ok { |
| 113 | t.Errorf("Script(%q) reports no such script", name) |
| 114 | continue |
| 115 | } |
| 116 | if len(js) == 0 { |
| 117 | t.Errorf("Script(%q) is empty", name) |
| 118 | } |
| 119 | if embedded := readFS(t, "js/"+name); !bytes.Equal(js, embedded) { |
| 120 | t.Errorf("Script(%q) differs from FS()'s js/%s", name, name) |
| 121 | } |
| 122 | } |
| 123 | if _, ok := Script("nope.js"); ok { |
| 124 | t.Errorf("Script(%q) reports a script that is not shipped", "nope.js") |
| 125 | } |
| 126 | files := listFS(t, "js") |
| 127 | sorted := slices.Clone(want) |
| 128 | sort.Strings(sorted) |
| 129 | if !slices.Equal(files, sorted) { |
| 130 | t.Errorf("js/ holds %q, but ScriptNames() lists %q", files, want) |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | func TestEveryLanguageIsEmbedded(t *testing.T) { |
| 135 | want := []string{"en", "ar", "bn", "es", "ga", "hi", "ja", "pt-PT", "ru", "vi", "yue", "zh-Hans"} |
| 136 | if got := Languages(); !slices.Equal(got, want) { |
| 137 | t.Fatalf("Languages() = %q, want %q", got, want) |
| 138 | } |
| 139 | for _, lang := range want { |
| 140 | b, ok := Strings(lang) |
| 141 | if !ok { |
| 142 | t.Errorf("Strings(%q) reports no such language", lang) |
| 143 | continue |
| 144 | } |
| 145 | if len(b) == 0 { |
| 146 | t.Errorf("Strings(%q) is empty", lang) |
| 147 | } |
| 148 | if embedded := readFS(t, "i18n/"+lang+".json"); !bytes.Equal(b, embedded) { |
| 149 | t.Errorf("Strings(%q) differs from FS()'s i18n/%s.json", lang, lang) |
| 150 | } |
| 151 | } |
| 152 | // pt is the test alias, never a file; a miss is false, not a panic. |
| 153 | for _, bad := range []string{"pt", "nope", "../LICENSE"} { |
| 154 | if _, ok := Strings(bad); ok { |
| 155 | t.Errorf("Strings(%q) reports a language that is not shipped", bad) |
| 156 | } |
| 157 | } |
| 158 | files := listFS(t, "i18n") |
| 159 | var sorted []string |
| 160 | for _, lang := range want { |
| 161 | sorted = append(sorted, lang+".json") |
| 162 | } |
| 163 | sort.Strings(sorted) |
| 164 | if !slices.Equal(files, sorted) { |
| 165 | t.Errorf("i18n/ holds %q, but Languages() lists %q", files, want) |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | func TestEveryIconIsOneLucideSVG(t *testing.T) { |
| 170 | want := []string{ |
| 171 | "alert-triangle", "check", "check-circle", "chevron-down", |
| 172 | "help-circle", "info", "kebab", "menu", "plus", "search", "x", "x-circle", |
| 173 | } |
| 174 | got := IconSlugs() |
| 175 | if len(got) != 12 { |
| 176 | t.Errorf("IconSlugs() lists %d slugs, want 12: %q", len(got), got) |
| 177 | } |
| 178 | if !sort.StringsAreSorted(got) { |
| 179 | t.Errorf("IconSlugs() is not sorted: %q", got) |
| 180 | } |
| 181 | if !slices.Equal(got, want) { |
| 182 | t.Fatalf("IconSlugs() = %q, want %q", got, want) |
| 183 | } |
| 184 | const open = `<svg class="icon" viewBox="0 0 24 24"` |
| 185 | for _, slug := range want { |
| 186 | svg, ok := Icon(slug) |
| 187 | if !ok { |
| 188 | t.Errorf("Icon(%q) reports no such icon", slug) |
| 189 | continue |
| 190 | } |
| 191 | s := string(svg) |
| 192 | if !strings.HasPrefix(s, open) { |
| 193 | t.Errorf("Icon(%q) does not start %s: %.60q", slug, open, s) |
| 194 | } |
| 195 | if !strings.HasSuffix(s, "</svg>") { |
| 196 | t.Errorf("Icon(%q) does not end </svg>: %q", slug, s) |
| 197 | } |
| 198 | if strings.Count(s, "<svg") != 1 { |
| 199 | t.Errorf("Icon(%q) holds %d <svg> elements, want 1", slug, strings.Count(s, "<svg")) |
| 200 | } |
| 201 | if strings.Contains(s, "xmlns") { |
| 202 | t.Errorf("Icon(%q) carries an xmlns; the inline form has none", slug) |
| 203 | } |
| 204 | if embedded := readFS(t, "icons/"+slug+".svg"); !bytes.Equal(svg, embedded) { |
| 205 | t.Errorf("Icon(%q) differs from FS()'s icons/%s.svg", slug, slug) |
| 206 | } |
| 207 | } |
| 208 | if _, ok := Icon("nope"); ok { |
| 209 | t.Errorf("Icon(%q) reports an icon that is not shipped", "nope") |
| 210 | } |
| 211 | // Sorted after the suffix comes off: "check-circle.svg" sorts |
| 212 | // before "check.svg", but "check" sorts before "check-circle". |
| 213 | var files []string |
| 214 | for _, f := range listFS(t, "icons") { |
| 215 | if strings.HasSuffix(f, ".svg") { |
| 216 | files = append(files, strings.TrimSuffix(f, ".svg")) |
| 217 | } |
| 218 | } |
| 219 | sort.Strings(files) |
| 220 | if !slices.Equal(files, want) { |
| 221 | t.Errorf("icons/ holds %q, but IconSlugs() lists %q", files, want) |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | func TestNamesAreCopies(t *testing.T) { |
| 226 | for _, tc := range []struct { |
| 227 | name string |
| 228 | list func() []string |
| 229 | }{ |
| 230 | {"ThemeNames", ThemeNames}, |
| 231 | {"ScriptNames", ScriptNames}, |
| 232 | {"Languages", Languages}, |
| 233 | {"IconSlugs", IconSlugs}, |
| 234 | } { |
| 235 | first := tc.list() |
| 236 | if len(first) == 0 { |
| 237 | t.Errorf("%s() is empty", tc.name) |
| 238 | continue |
| 239 | } |
| 240 | first[0] = "scribbled" |
| 241 | if again := tc.list(); again[0] == "scribbled" { |
| 242 | t.Errorf("%s() hands out its own slice: a caller's write came back", tc.name) |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | func TestTheLicenseIsMPL(t *testing.T) { |
| 248 | const first = "Mozilla Public License Version 2.0" |
| 249 | lic := License() |
| 250 | if !bytes.HasPrefix(lic, []byte(first)) { |
| 251 | t.Errorf("License() does not start %q: %.40q", first, lic) |
| 252 | } |
| 253 | if embedded := readFS(t, "LICENSE"); !bytes.Equal(lic, embedded) { |
| 254 | t.Errorf("License() differs from FS()'s LICENSE") |
| 255 | } |
| 256 | // Lucide's licence is two notices: ISC for Lucide, and Feather's |
| 257 | // MIT for the glyphs Lucide took from it, which is ten of these |
| 258 | // twelve. Both must travel with the files. |
| 259 | lucide := readFS(t, "icons/LICENSE-lucide.txt") |
| 260 | // The MIT strings are the notice's own heading, copyright line and |
| 261 | // grant, not bare "MIT" and "Cole Bemis": a sentence that merely |
| 262 | // mentions Feather (MIT) and names its author carries both of those |
| 263 | // without carrying the licence. |
| 264 | for _, want := range []string{ |
| 265 | "Lucide", "ISC", "Permission to use, copy, modify, and/or distribute", |
| 266 | "The MIT License (MIT)", "Copyright (c) 2013-present Cole Bemis", |
| 267 | "Permission is hereby granted, free of charge", |
| 268 | } { |
| 269 | if !bytes.Contains(lucide, []byte(want)) { |
| 270 | t.Errorf("icons/LICENSE-lucide.txt does not mention %q", want) |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | func TestTheVersionIsSemver(t *testing.T) { |
| 276 | if Version != "1.2.0" { |
| 277 | t.Errorf("Version = %q, want %q", Version, "1.2.0") |
| 278 | } |
| 279 | } |
| 280 | |
amadan