| 📦 Turbo JS 91999d1 k33g 12h ago | 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "flag" |
| 5 | "os" |
| 6 | "path/filepath" |
| 7 | "slices" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | |
| 11 | "rickub.com/turbo-editors/turbo-core/app" |
| 12 | "rickub.com/turbo-editors/turbo-core/settings" |
| 13 | "rickub.com/turbo-editors/turbo-core/theme" |
| 14 | |
| 15 | "rickub.com/turbo-editors/turbo-js/internal/jslang" |
| 16 | ) |
| 17 | |
| 18 | // withArgs runs the command line parser against a fixed argument list, and |
| 19 | // restores the real one afterwards so tests do not affect each other. |
| 20 | func withArgs(t *testing.T, args ...string) options { |
| 21 | t.Helper() |
| 22 | |
| 23 | realArgs, realFlags := os.Args, flag.CommandLine |
| 24 | t.Cleanup(func() { os.Args, flag.CommandLine = realArgs, realFlags }) |
| 25 | |
| 26 | os.Args = append([]string{"turbo-js"}, args...) |
| 27 | flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ContinueOnError) |
| 28 | return parseFlags() |
| 29 | } |
| 30 | |
| 31 | func TestMainRegistersTheLanguageExplicitly(t *testing.T) { |
| 32 | // "This editor knows JavaScript" is a line somebody can read in main.go, |
| 33 | // not an init function somewhere. Every other test here calls Register |
| 34 | // itself, so this is the only one that notices if run() stopped doing so. |
| 35 | source, err := os.ReadFile("main.go") |
| 36 | if err != nil { |
| 37 | t.Fatalf("reading main.go: %v", err) |
| 38 | } |
| 39 | if !strings.Contains(string(source), "\n\tjslang.Register()\n") { |
| 40 | t.Error("main.go no longer calls jslang.Register() as a statement of its own") |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | func TestFilesAreWhatIsLeftAfterTheFlags(t *testing.T) { |
| 45 | opts := withArgs(t, "-no-lsp", "main.js", "lib/x.mjs") |
| 46 | |
| 47 | if !opts.noLSP { |
| 48 | t.Error("-no-lsp was not read") |
| 49 | } |
| 50 | if want := []string{"main.js", "lib/x.mjs"}; !slices.Equal(opts.files, want) { |
| 51 | t.Errorf("files = %v, want %v", opts.files, want) |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | func TestTheThemeFlagDefaultsToEmptyRatherThanToAName(t *testing.T) { |
| 56 | // Empty is what lets "was -theme given?" still be answered afterwards, and |
| 57 | // that is what lets the project's settings fill it in without overriding an |
| 58 | // explicit choice. |
| 59 | if opts := withArgs(t); opts.theme != "" { |
| 60 | t.Errorf("theme = %q with no flag, want the empty string", opts.theme) |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | func TestTheProjectRootIsTheDirectoryHoldingPackageJSON(t *testing.T) { |
| 65 | // typescript-language-server is given the package's boundary, which is |
| 66 | // where it resolves imports from. The walk itself is turbo-core's; what is |
| 67 | // checked here is that Turbo JS's profile asks it to look for a |
| 68 | // package.json. |
| 69 | root := t.TempDir() |
| 70 | if err := os.WriteFile(filepath.Join(root, "package.json"), []byte("{\"name\": \"x\"}\n"), 0o644); err != nil { |
| 71 | t.Fatalf("writing package.json: %v", err) |
| 72 | } |
| 73 | nested := filepath.Join(root, "src", "deep") |
| 74 | if err := os.MkdirAll(nested, 0o755); err != nil { |
| 75 | t.Fatalf("creating the tree: %v", err) |
| 76 | } |
| 77 | file := filepath.Join(nested, "deep.js") |
| 78 | if err := os.WriteFile(file, []byte("export const f = () => 1;\n"), 0o644); err != nil { |
| 79 | t.Fatalf("writing the file: %v", err) |
| 80 | } |
| 81 | |
| 82 | if got := app.ProjectRoot(jslang.Profile(), []string{file}); got != root { |
| 83 | t.Errorf("ProjectRoot() = %q, want the package root %q", got, root) |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | func TestTheNearestPackageJSONWinsInAMonorepo(t *testing.T) { |
| 88 | // A workspace holds a package.json at its root and one per package. The |
| 89 | // package being edited is the nearest one going up, and that is the |
| 90 | // project the server should see. |
| 91 | workspace := t.TempDir() |
| 92 | pkg := filepath.Join(workspace, "packages", "api") |
| 93 | if err := os.MkdirAll(filepath.Join(pkg, "src"), 0o755); err != nil { |
| 94 | t.Fatalf("creating the tree: %v", err) |
| 95 | } |
| 96 | for _, dir := range []string{workspace, pkg} { |
| 97 | if err := os.WriteFile(filepath.Join(dir, "package.json"), []byte("{}\n"), 0o644); err != nil { |
| 98 | t.Fatalf("writing package.json: %v", err) |
| 99 | } |
| 100 | } |
| 101 | file := filepath.Join(pkg, "src", "index.js") |
| 102 | if err := os.WriteFile(file, []byte("\n"), 0o644); err != nil { |
| 103 | t.Fatalf("writing the file: %v", err) |
| 104 | } |
| 105 | |
| 106 | if got := app.ProjectRoot(jslang.Profile(), []string{file}); got != pkg { |
| 107 | t.Errorf("ProjectRoot() = %q, want the nearest package %q", got, pkg) |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | func TestThemeNamePrefersTheFlagOverTheProject(t *testing.T) { |
| 112 | got := themeName(options{theme: "borland-light"}, settings.Settings{Theme: "turbo-dark"}) |
| 113 | |
| 114 | if got != "borland-light" { |
| 115 | t.Errorf("themeName() = %q; an explicit -theme must win over the project's", got) |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | func TestThemeNameUsesTheProjectWhenNoFlagWasGiven(t *testing.T) { |
| 120 | got := themeName(options{}, settings.Settings{Theme: "turbo-dark"}) |
| 121 | |
| 122 | if got != "turbo-dark" { |
| 123 | t.Errorf("themeName() = %q, want the project's theme", got) |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | func TestThemeNameFallsBackToTheDefault(t *testing.T) { |
| 128 | got := themeName(options{}, settings.Settings{}) |
| 129 | |
| 130 | if got != theme.DefaultName { |
| 131 | t.Errorf("themeName() = %q, want %q", got, theme.DefaultName) |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | func TestLoadProjectSettingsReadsTheWorkingDirectory(t *testing.T) { |
| 136 | project := t.TempDir() |
| 137 | t.Chdir(project) |
| 138 | if err := os.MkdirAll(settings.Dir(jslang.Profile(), project), 0o755); err != nil { |
| 139 | t.Fatalf("creating the settings directory: %v", err) |
| 140 | } |
| 141 | contents := "[editor]\ntheme = \"turbo-dark\"\nautosave = true\n" |
| 142 | if err := os.WriteFile(settings.Path(jslang.Profile(), project), []byte(contents), 0o644); err != nil { |
| 143 | t.Fatalf("writing the settings file: %v", err) |
| 144 | } |
| 145 | |
| 146 | _, loaded := loadProjectSettings(jslang.Profile()) |
| 147 | |
| 148 | if loaded.Theme != "turbo-dark" { |
| 149 | t.Errorf("Theme = %q, want turbo-dark", loaded.Theme) |
| 150 | } |
| 151 | if !loaded.Autosave { |
| 152 | t.Error("Autosave = false, want the file's true") |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | func TestLoadProjectSettingsDoesNotWalkUpToAParent(t *testing.T) { |
| 157 | // "The project is where you started the editor" is the rule; a settings |
| 158 | // file one directory up belongs to a different project. |
| 159 | parent := t.TempDir() |
| 160 | if err := os.MkdirAll(settings.Dir(jslang.Profile(), parent), 0o755); err != nil { |
| 161 | t.Fatalf("creating the settings directory: %v", err) |
| 162 | } |
| 163 | if err := os.WriteFile(settings.Path(jslang.Profile(), parent), []byte("[editor]\ntheme = \"turbo-dark\"\n"), 0o644); err != nil { |
| 164 | t.Fatalf("writing the settings file: %v", err) |
| 165 | } |
| 166 | child := filepath.Join(parent, "src") |
| 167 | if err := os.Mkdir(child, 0o755); err != nil { |
| 168 | t.Fatalf("creating the child directory: %v", err) |
| 169 | } |
| 170 | t.Chdir(child) |
| 171 | |
| 172 | _, loaded := loadProjectSettings(jslang.Profile()) |
| 173 | |
| 174 | if loaded.Theme != "" { |
| 175 | t.Errorf("Theme = %q; settings were read from a parent directory", loaded.Theme) |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | func TestLoadProjectSettingsCarriesOnWithoutAFile(t *testing.T) { |
| 180 | t.Chdir(t.TempDir()) |
| 181 | |
| 182 | _, loaded := loadProjectSettings(jslang.Profile()) |
| 183 | |
| 184 | if loaded != settings.Default() { |
| 185 | t.Errorf("loadProjectSettings() = %+v, want the defaults", loaded) |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | func TestABrokenSettingsFileDoesNotStopTheEditor(t *testing.T) { |
| 190 | // The editor is how you would fix the file, so it has to open. |
| 191 | project := t.TempDir() |
| 192 | t.Chdir(project) |
| 193 | if err := os.MkdirAll(settings.Dir(jslang.Profile(), project), 0o755); err != nil { |
| 194 | t.Fatalf("creating the settings directory: %v", err) |
| 195 | } |
| 196 | if err := os.WriteFile(settings.Path(jslang.Profile(), project), []byte("[editor\nnot toml"), 0o644); err != nil { |
| 197 | t.Fatalf("writing the settings file: %v", err) |
| 198 | } |
| 199 | |
| 200 | _, loaded := loadProjectSettings(jslang.Profile()) |
| 201 | |
| 202 | if loaded != settings.Default() { |
| 203 | t.Errorf("loadProjectSettings() = %+v, want the defaults", loaded) |
| 204 | } |
| 205 | } |