| 📦 Turbo MoonBit cc1f595 k33g 19h ago | 1 | package moonbitlang |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "os" |
| 6 | "strings" |
| 7 | "testing" |
| 8 | |
| 9 | "rickub.com/turbo-editors/turbo-core/settings" |
| 10 | "rickub.com/turbo-editors/turbo-core/snippets" |
| 11 | "rickub.com/turbo-editors/turbo-core/syntax" |
| 12 | "rickub.com/turbo-editors/turbo-core/tools" |
| 13 | ) |
| 14 | |
| 15 | // The starter files Turbo MoonBit writes are the one part of a project's |
| 16 | // .turbo-moonbit directory that is about MoonBit, so this is where what is *in* |
| 17 | // them is checked. That the file written is the profile's template at all is |
| 18 | // turbo-core's test. |
| 19 | |
| 20 | // noUserSnippets points the user's own snippets at an empty directory, so a |
| 21 | // test never reads whoever is running it. |
| 22 | func noUserSnippets(t *testing.T) { |
| 23 | t.Helper() |
| 24 | t.Setenv(Profile().SnippetDirEnvVar(), t.TempDir()) |
| 25 | } |
| 26 | |
| 27 | // createTools writes a project's tools file and returns the project directory. |
| 28 | func createTools(t *testing.T) string { |
| 29 | t.Helper() |
| 30 | |
| 31 | dir := t.TempDir() |
| 32 | if _, err := tools.Create(Profile(), dir); err != nil { |
| 33 | t.Fatalf("tools.Create() error = %v", err) |
| 34 | } |
| 35 | return dir |
| 36 | } |
| 37 | |
| 38 | // createSnippets writes a project's snippets file and returns the directory. |
| 39 | func createSnippets(t *testing.T) string { |
| 40 | t.Helper() |
| 41 | noUserSnippets(t) |
| 42 | |
| 43 | dir := t.TempDir() |
| 44 | if _, err := snippets.Create(Profile(), dir); err != nil { |
| 45 | t.Fatalf("snippets.Create() error = %v", err) |
| 46 | } |
| 47 | return dir |
| 48 | } |
| 49 | |
| 50 | // createSettings writes a project's settings file and returns the directory. |
| 51 | func createSettings(t *testing.T) string { |
| 52 | t.Helper() |
| 53 | |
| 54 | dir := t.TempDir() |
| 55 | if _, err := settings.Create(Profile(), dir, "turbo-classic"); err != nil { |
| 56 | t.Fatalf("settings.Create() error = %v", err) |
| 57 | } |
| 58 | return dir |
| 59 | } |
| 60 | |
| 61 | // readFile returns a file's contents. |
| 62 | func readFile(t *testing.T, path string) string { |
| 63 | t.Helper() |
| 64 | |
| 65 | data, err := os.ReadFile(path) |
| 66 | if err != nil { |
| 67 | t.Fatalf("reading %s: %v", path, err) |
| 68 | } |
| 69 | return string(data) |
| 70 | } |
| 71 | |
| 72 | // --- the formatting contract ------------------------------------------------ |
| 73 | |
| 74 | // profile.Templates documents how many verbs each template takes, and nothing |
| 75 | // enforces it. A template with the wrong number produces %!q(MISSING) or |
| 76 | // %!(EXTRA …) in a file that is written into somebody's project, opened, and |
| 77 | // wrong — Go writes the marker into the output rather than failing. |
| 78 | |
| 79 | func TestEachTemplateTakesTheVerbsItsContractSays(t *testing.T) { |
| 80 | cases := []struct { |
| 81 | name string |
| 82 | template string |
| 83 | verb string |
| 84 | want int |
| 85 | }{ |
| 86 | {"Settings", settingsTemplate, "%q", 2}, |
| 87 | {"Snippets", snippetsTemplate, "%s", 2}, |
| 88 | {"Tools", toolsTemplate, "%", 0}, |
| 89 | } |
| 90 | |
| 91 | for _, c := range cases { |
| 92 | if got := strings.Count(c.template, c.verb); got != c.want { |
| 93 | t.Errorf("%s template has %d %q verbs, want %d", c.name, got, c.verb, c.want) |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | func TestFillingATemplateLeavesNoMissingMarker(t *testing.T) { |
| 99 | filled := map[string]string{ |
| 100 | "settings": fmt.Sprintf(settingsTemplate, "turbo-classic", "500ms"), |
| 101 | "snippets": fmt.Sprintf(snippetsTemplate, "Snippets", "/home/someone/.config/turbo-moonbit/snippets.toml"), |
| 102 | "tools": toolsTemplate, |
| 103 | } |
| 104 | |
| 105 | for name, text := range filled { |
| 106 | if at := strings.Index(text, "%!"); at >= 0 { |
| 107 | t.Errorf("the %s template filled in with %q — the wrong number of verbs", name, text[at:min(at+24, len(text))]) |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | // --- what the files say ----------------------------------------------------- |
| 113 | |
| 114 | func TestNoTemplateNamesTheEditorThisOneWasAdaptedFrom(t *testing.T) { |
| 115 | // A leftover turbo-python in a file written into somebody's MoonBit |
| 116 | // project is invisible to every other test here. |
| 117 | strangers := []string{"turbo-python", "turbo-rust", "turbo-go", "pythonlang", "rustlang", "golang", "pyproject", "Cargo", "cargo", "pytest", "uv run", "clippy"} |
| 118 | |
| 119 | for name, template := range map[string]string{ |
| 120 | "settings": settingsTemplate, |
| 121 | "snippets": snippetsTemplate, |
| 122 | "tools": toolsTemplate, |
| 123 | } { |
| 124 | for _, stranger := range strangers { |
| 125 | if strings.Contains(template, stranger) { |
| 126 | t.Errorf("the %s template still says %q", name, stranger) |
| 127 | } |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | func TestTheSettingsFileTurnsAutosaveOn(t *testing.T) { |
| 133 | // A project that has gone to the trouble of creating a settings file has |
| 134 | // said what it wants. settings.Default() — what applies with no file at |
| 135 | // all — stays off, and that is checked below. |
| 136 | dir := createSettings(t) |
| 137 | |
| 138 | loaded, err := settings.Load(Profile(), dir) |
| 139 | if err != nil { |
| 140 | t.Fatalf("settings.Load() error = %v", err) |
| 141 | } |
| 142 | if !loaded.Autosave { |
| 143 | t.Error("the starter settings file leaves autosave off, want it on") |
| 144 | } |
| 145 | if settings.Default().Autosave { |
| 146 | t.Error("settings.Default() has autosave on; the two statements have drifted together") |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | func TestTheSettingsFileNamesTheThemeItWasCreatedWith(t *testing.T) { |
| 151 | dir := createSettings(t) |
| 152 | |
| 153 | loaded, err := settings.Load(Profile(), dir) |
| 154 | if err != nil { |
| 155 | t.Fatalf("settings.Load() error = %v", err) |
| 156 | } |
| 157 | if loaded.Theme != "turbo-classic" { |
| 158 | t.Errorf("theme = %q, want %q", loaded.Theme, "turbo-classic") |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | func TestTheSnippetsCommentNamesEveryLanguageTheEditorKnows(t *testing.T) { |
| 163 | // The comment is where a user finds out what they may write in a |
| 164 | // `languages` key. It fell behind the registry once already in this family, |
| 165 | // when turbo-core learnt YAML, XML and Dockerfiles — so the list is read |
| 166 | // from the registry rather than written down here. |
| 167 | Register() |
| 168 | |
| 169 | list := languageListOf(t, snippetsTemplate) |
| 170 | for _, language := range syntax.Registered() { |
| 171 | if !strings.Contains(list, language.String()) { |
| 172 | t.Errorf("the snippets template's languages comment does not name %q; it reads %q", language, list) |
| 173 | } |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | // languageListOf returns the one sentence of the snippets template that lists |
| 178 | // the language names, with its comment marks stripped. |
| 179 | // |
| 180 | // Only that sentence will do. Every snippet body below it carries a languages |
| 181 | // key naming MoonBit, and the file's own first line names turbo-moonbit — so a |
| 182 | // check against the whole template, or even against all of its comments, would |
| 183 | // pass with the list itself saying nothing at all. |
| 184 | func languageListOf(t *testing.T, template string) string { |
| 185 | t.Helper() |
| 186 | |
| 187 | const marker = "editor uses:" |
| 188 | at := strings.Index(template, marker) |
| 189 | if at < 0 { |
| 190 | t.Fatalf("the snippets template no longer introduces its language list with %q", marker) |
| 191 | } |
| 192 | |
| 193 | rest := template[at+len(marker):] |
| 194 | end := strings.Index(rest, ".") |
| 195 | if end < 0 { |
| 196 | t.Fatal("the snippets template's language list does not end in a full stop") |
| 197 | } |
| 198 | return strings.ReplaceAll(rest[:end], "#", "") |
| 199 | } |
| 200 | |
| 201 | func TestEverySnippetLoadsAndIsForMoonBit(t *testing.T) { |
| 202 | Register() |
| 203 | dir := createSnippets(t) |
| 204 | |
| 205 | list, err := snippets.Load(Profile(), dir) |
| 206 | if err != nil { |
| 207 | t.Fatalf("snippets.Load() error = %v", err) |
| 208 | } |
| 209 | if list.Len() == 0 { |
| 210 | t.Fatal("the starter snippets file holds none") |
| 211 | } |
| 212 | |
| 213 | groups := list.Groups(Language.String()) |
| 214 | var found bool |
| 215 | for _, group := range groups { |
| 216 | if group.Name == "MoonBit" { |
| 217 | found = true |
| 218 | } |
| 219 | } |
| 220 | if !found { |
| 221 | t.Errorf("no MoonBit group among %v", groups) |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | func TestSnippetBodiesAreIndentedTheWayMoonFmtIndents(t *testing.T) { |
| 226 | // `moon fmt` writes two spaces. A snippet that disagrees with the |
| 227 | // formatter turns one insertion into a whole-file diff the next time |
| 228 | // anybody runs it, and never a tab: MoonBit's formatter does not emit one. |
| 229 | Register() |
| 230 | dir := createSnippets(t) |
| 231 | |
| 232 | list, err := snippets.Load(Profile(), dir) |
| 233 | if err != nil { |
| 234 | t.Fatalf("snippets.Load() error = %v", err) |
| 235 | } |
| 236 | |
| 237 | for _, group := range list.Groups(Language.String()) { |
| 238 | for _, snippet := range group.Snippets { |
| 239 | for _, line := range strings.Split(snippet.Body, "\n") { |
| 240 | if strings.Contains(line, "\t") { |
| 241 | t.Errorf("snippet %q has a tab in %q", snippet.Name, line) |
| 242 | } |
| 243 | indent := len(line) - len(strings.TrimLeft(line, " ")) |
| 244 | if indent%2 != 0 { |
| 245 | t.Errorf("snippet %q indents %q by %d spaces, want a multiple of two", snippet.Name, line, indent) |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | func TestTheSnippetsFileIsTOMLWithLiteralBodies(t *testing.T) { |
| 253 | // MoonBit interpolates with \{…}. A backslash before a brace is not one of |
| 254 | // TOML's escapes, so a body written in basic strings would not parse — and |
| 255 | // the file the editor had just offered to create would be refused the |
| 256 | // moment it was read back. That it parses at all is what createSnippets |
| 257 | // proves; that it really does hold a backslash is what makes the proof |
| 258 | // mean something. |
| 259 | Register() |
| 260 | dir := createSnippets(t) |
| 261 | |
| 262 | written := readFile(t, snippets.ProjectPath(Profile(), dir)) |
| 263 | if !strings.Contains(written, `\{`) { |
| 264 | t.Fatal("no snippet in the starter file interpolates, so nothing here tests the literal-string decision") |
| 265 | } |
| 266 | for _, line := range strings.Split(written, "\n") { |
| 267 | if strings.HasPrefix(line, `body = """`) { |
| 268 | t.Errorf("a body is opened with a TOML basic multi-line string: %q", line) |
| 269 | } |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | func TestEveryToolLoadsAndRunsMoon(t *testing.T) { |
| 274 | dir := createTools(t) |
| 275 | |
| 276 | list, err := tools.Load(Profile(), dir) |
| 277 | if err != nil { |
| 278 | t.Fatalf("tools.Load() error = %v", err) |
| 279 | } |
| 280 | if list.Len() == 0 { |
| 281 | t.Fatal("the starter tools file holds none") |
| 282 | } |
| 283 | |
| 284 | for _, tool := range list.In("MoonBit") { |
| 285 | if !strings.HasPrefix(tool.Command, "moon ") { |
| 286 | t.Errorf("tool %q in the MoonBit menu runs %q, which is not a moon command", tool.Name, tool.Command) |
| 287 | } |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | func TestTheToolsFileShowsBothInvisibleFeatures(t *testing.T) { |
| 292 | // A {{placeholder}} and the `menu` key are invisible unless the starter |
| 293 | // file demonstrates them, and the starter file is where anyone learns they |
| 294 | // exist at all. |
| 295 | dir := createTools(t) |
| 296 | |
| 297 | list, err := tools.Load(Profile(), dir) |
| 298 | if err != nil { |
| 299 | t.Fatalf("tools.Load() error = %v", err) |
| 300 | } |
| 301 | |
| 302 | var asks, elsewhere int |
| 303 | for _, tool := range list.Tools() { |
| 304 | if len(tool.Placeholders()) > 0 { |
| 305 | asks++ |
| 306 | } |
| 307 | if tool.Menu != list.DefaultMenu() { |
| 308 | elsewhere++ |
| 309 | } |
| 310 | } |
| 311 | if asks == 0 { |
| 312 | t.Error("no tool asks for a value, so nothing shows the {{placeholder}} form") |
| 313 | } |
| 314 | if elsewhere == 0 { |
| 315 | t.Error("no tool names a menu of its own, so nothing shows the menu key") |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | func TestTheDefaultMenuIsTheMoonBitOne(t *testing.T) { |
| 320 | dir := createTools(t) |
| 321 | |
| 322 | list, err := tools.Load(Profile(), dir) |
| 323 | if err != nil { |
| 324 | t.Fatalf("tools.Load() error = %v", err) |
| 325 | } |
| 326 | if got := list.DefaultMenu(); got != "MoonBit" { |
| 327 | t.Errorf("DefaultMenu() = %q, want %q", got, "MoonBit") |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | func TestNoTwoToolsInOneMenuClaimTheSameHotKey(t *testing.T) { |
| 332 | dir := createTools(t) |
| 333 | |
| 334 | list, err := tools.Load(Profile(), dir) |
| 335 | if err != nil { |
| 336 | t.Fatalf("tools.Load() error = %v", err) |
| 337 | } |
| 338 | |
| 339 | for _, menu := range list.MenuNames() { |
| 340 | taken := map[rune]string{} |
| 341 | for _, tool := range list.In(menu) { |
| 342 | key, ok := hotKey(tool.Name) |
| 343 | if !ok { |
| 344 | continue |
| 345 | } |
| 346 | if other, clash := taken[key]; clash { |
| 347 | t.Errorf("in the %s menu, %q and %q both claim %q", menu, other, tool.Name, key) |
| 348 | } |
| 349 | taken[key] = tool.Name |
| 350 | } |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | // hotKey returns the upper-case letter a tool's name marks between tildes. |
| 355 | func hotKey(name string) (rune, bool) { |
| 356 | open := strings.Index(name, "~") |
| 357 | if open < 0 || len(name) < open+3 || name[open+2] != '~' { |
| 358 | return 0, false |
| 359 | } |
| 360 | return []rune(strings.ToUpper(name[open+1 : open+2]))[0], true |
| 361 | } |
| 362 | |
| 363 | func TestTheRunToolGetsATerminal(t *testing.T) { |
| 364 | // A program that reads the keyboard has to be answerable, and one that runs |
| 365 | // long has to be interruptible. A popup is neither. |
| 366 | dir := createTools(t) |
| 367 | |
| 368 | list, err := tools.Load(Profile(), dir) |
| 369 | if err != nil { |
| 370 | t.Fatalf("tools.Load() error = %v", err) |
| 371 | } |
| 372 | |
| 373 | for _, tool := range list.Tools() { |
| 374 | if strings.HasPrefix(tool.Command, "moon run") && tool.Output != tools.OutputTerminal { |
| 375 | t.Errorf("the run tool sends its output to %q, want a terminal", tool.Output) |
| 376 | } |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | func TestEveryPlaceholderAsksForSomething(t *testing.T) { |
| 381 | // A half-typed {{ is refused when the file is read, which tools.Load |
| 382 | // already proves. This checks the other half: that each label says what it |
| 383 | // wants, because the label is the whole of what the box shows. |
| 384 | dir := createTools(t) |
| 385 | |
| 386 | list, err := tools.Load(Profile(), dir) |
| 387 | if err != nil { |
| 388 | t.Fatalf("tools.Load() error = %v", err) |
| 389 | } |
| 390 | |
| 391 | for _, tool := range list.Tools() { |
| 392 | for _, placeholder := range tool.Placeholders() { |
| 393 | if strings.TrimSpace(placeholder.Label) == "" { |
| 394 | t.Errorf("tool %q has a placeholder with no label", tool.Name) |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | // The tools reference prints the starter file's table. Turbo Python's shipped |
| 401 | // five rows for a file that had six, and claimed `Alt-T` for a menu whose key |
| 402 | // is `Alt-P` — both inherited from Turbo Rust by a mechanical substitution that |
| 403 | // only looked at identifiers. Nothing in either repository could see it. |
| 404 | // |
| 405 | // So the table is read out of the page and held to the file the editor |
| 406 | // actually writes, in both languages. |
| 407 | func TestTheToolsReferenceMatchesTheStarterFile(t *testing.T) { |
| 408 | dir := createTools(t) |
| 409 | |
| 410 | list, err := tools.Load(Profile(), dir) |
| 411 | if err != nil { |
| 412 | t.Fatalf("tools.Load() error = %v", err) |
| 413 | } |
| 414 | |
| 415 | for _, page := range []string{"../../docs/en/reference/moonbit-tools.md", "../../docs/fr/reference/moonbit-tools.md"} { |
| 416 | raw, err := os.ReadFile(page) |
| 417 | if err != nil { |
| 418 | t.Fatalf("reading %s: %v", page, err) |
| 419 | } |
| 420 | text := string(raw) |
| 421 | |
| 422 | for _, tool := range list.Tools() { |
| 423 | if !strings.Contains(text, "| `"+tool.Name+"` |") { |
| 424 | t.Errorf("%s has no row for the tool %q", page, tool.Name) |
| 425 | } |
| 426 | if !strings.Contains(text, "`"+tool.Command+"`") { |
| 427 | t.Errorf("%s does not print the command %q", page, tool.Command) |
| 428 | } |
| 429 | } |
| 430 | if !strings.Contains(text, "`Alt-M`") { |
| 431 | t.Errorf("%s never names Alt-M, the key the MoonBit menu really answers to", page) |
| 432 | } |
| 433 | if strings.Contains(text, "`Alt-T`, then") || strings.Contains(text, "`Alt-T`, puis") { |
| 434 | t.Errorf("%s still opens the toolchain menu with Alt-T, which belongs to Turbo Rust", page) |
| 435 | } |
| 436 | } |
| 437 | } |