| 📦 Turbo MoonBit cc1f595 k33g 15h ago | 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "flag" |
| 5 | "os" |
| 6 | "path/filepath" |
| 7 | "slices" |
| 8 | "testing" |
| 9 | |
| 10 | "rickub.com/turbo-editors/turbo-core/app" |
| 11 | "rickub.com/turbo-editors/turbo-core/settings" |
| 12 | |
| 13 | "rickub.com/turbo-editors/turbo-moonbit/internal/moonbitlang" |
| 14 | ) |
| 15 | |
| 16 | // withArgs runs the command line parser against a fixed argument list, and |
| 17 | // restores the real one afterwards so tests do not affect each other. |
| 18 | func withArgs(t *testing.T, args ...string) options { |
| 19 | t.Helper() |
| 20 | |
| 21 | realArgs, realFlags := os.Args, flag.CommandLine |
| 22 | t.Cleanup(func() { os.Args, flag.CommandLine = realArgs, realFlags }) |
| 23 | |
| 24 | os.Args = append([]string{"turbo-moonbit"}, args...) |
| 25 | flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ContinueOnError) |
| 26 | return parseFlags() |
| 27 | } |
| 28 | |
| 29 | func TestFilesAreWhatIsLeftAfterTheFlags(t *testing.T) { |
| 30 | opts := withArgs(t, "-no-lsp", "main.mbt", "lib/x.mbt") |
| 31 | |
| 32 | if !opts.noLSP { |
| 33 | t.Error("-no-lsp was not read") |
| 34 | } |
| 35 | if want := []string{"main.mbt", "lib/x.mbt"}; !slices.Equal(opts.files, want) { |
| 36 | t.Errorf("files = %v, want %v", opts.files, want) |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | func TestTheThemeFlagDefaultsToEmptyRatherThanToAName(t *testing.T) { |
| 41 | // Empty is what lets "was -theme given?" still be answered afterwards, and |
| 42 | // that is what lets the project's settings fill it in without overriding an |
| 43 | // explicit choice. |
| 44 | if opts := withArgs(t); opts.theme != "" { |
| 45 | t.Errorf("theme = %q with no flag, want the empty string", opts.theme) |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | func TestTheThemeFlagBeatsTheProjectSettings(t *testing.T) { |
| 50 | project := settings.Default() |
| 51 | project.Theme = "cobalt" |
| 52 | |
| 53 | if got := themeName(options{theme: "monochrome"}, project); got != "monochrome" { |
| 54 | t.Errorf("themeName() = %q, want the flag's %q", got, "monochrome") |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | func TestTheProjectSettingsBeatTheBuiltInDefault(t *testing.T) { |
| 59 | project := settings.Default() |
| 60 | project.Theme = "cobalt" |
| 61 | |
| 62 | if got := themeName(options{}, project); got != "cobalt" { |
| 63 | t.Errorf("themeName() = %q, want the project's %q", got, "cobalt") |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | func TestTheBuiltInDefaultIsUsedWhenNobodySaysOtherwise(t *testing.T) { |
| 68 | if got := themeName(options{}, settings.Default()); got == "" { |
| 69 | t.Error("themeName() = \"\" with nothing set, want the library's default") |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | func TestTheProjectRootIsTheNearestMoonModule(t *testing.T) { |
| 74 | // app.ProjectRoot walks up looking for the profile's RootMarkers. This is |
| 75 | // what decides the directory moon-lsp is started in, and starting it |
| 76 | // anywhere else is how a server answers nothing for a whole session. |
| 77 | root := t.TempDir() |
| 78 | nested := filepath.Join(root, "cmd", "main") |
| 79 | if err := os.MkdirAll(nested, 0o755); err != nil { |
| 80 | t.Fatal(err) |
| 81 | } |
| 82 | if err := os.WriteFile(filepath.Join(root, "moon.mod"), []byte(`name = "u/m"`), 0o644); err != nil { |
| 83 | t.Fatal(err) |
| 84 | } |
| 85 | |
| 86 | file := filepath.Join(nested, "main.mbt") |
| 87 | if got := app.ProjectRoot(moonbitlang.Profile(), []string{file}); got != root { |
| 88 | t.Errorf("ProjectRoot(%q) = %q, want %q", file, got, root) |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | func TestTheLegacyJSONModuleFileIsAlsoARoot(t *testing.T) { |
| 93 | root := t.TempDir() |
| 94 | if err := os.WriteFile(filepath.Join(root, "moon.mod.json"), []byte(`{"name":"u/m"}`), 0o644); err != nil { |
| 95 | t.Fatal(err) |
| 96 | } |
| 97 | |
| 98 | file := filepath.Join(root, "main.mbt") |
| 99 | if got := app.ProjectRoot(moonbitlang.Profile(), []string{file}); got != root { |
| 100 | t.Errorf("ProjectRoot(%q) = %q, want %q", file, got, root) |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | func TestTheNearestModuleWinsOverTheOneAboveIt(t *testing.T) { |
| 105 | // A workspace holds several modules. The server belongs to the one the |
| 106 | // file is in, not to the outermost directory that happens to have a |
| 107 | // manifest. |
| 108 | outer := t.TempDir() |
| 109 | inner := filepath.Join(outer, "member") |
| 110 | if err := os.MkdirAll(inner, 0o755); err != nil { |
| 111 | t.Fatal(err) |
| 112 | } |
| 113 | for _, dir := range []string{outer, inner} { |
| 114 | if err := os.WriteFile(filepath.Join(dir, "moon.mod"), []byte(`name = "u/m"`), 0o644); err != nil { |
| 115 | t.Fatal(err) |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | file := filepath.Join(inner, "lib.mbt") |
| 120 | if got := app.ProjectRoot(moonbitlang.Profile(), []string{file}); got != inner { |
| 121 | t.Errorf("ProjectRoot(%q) = %q, want the nearer %q", file, got, inner) |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | func TestLoadingSettingsFromADirectoryWithNoneGivesTheDefaults(t *testing.T) { |
| 126 | // A directory somebody merely started the editor in has said nothing, and |
| 127 | // the editor must not write to it. The starter file turns autosave on; the |
| 128 | // default leaves it off. |
| 129 | dir := t.TempDir() |
| 130 | t.Chdir(dir) |
| 131 | |
| 132 | project, loaded := loadProjectSettings(moonbitlang.Profile()) |
| 133 | if project == "" { |
| 134 | t.Error("loadProjectSettings returned no project directory") |
| 135 | } |
| 136 | if loaded.Autosave { |
| 137 | t.Error("autosave is on with no settings file, want it off") |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | func TestABrokenSettingsFileDoesNotStopTheEditorOpening(t *testing.T) { |
| 142 | // A broken settings file must not stop the editor opening, because the |
| 143 | // editor is how you would fix it. |
| 144 | dir := t.TempDir() |
| 145 | p := moonbitlang.Profile() |
| 146 | if err := os.MkdirAll(filepath.Join(dir, p.ProjectDir()), 0o755); err != nil { |
| 147 | t.Fatal(err) |
| 148 | } |
| 149 | if err := os.WriteFile(settings.Path(p, dir), []byte("this is not ["), 0o644); err != nil { |
| 150 | t.Fatal(err) |
| 151 | } |
| 152 | t.Chdir(dir) |
| 153 | |
| 154 | if _, loaded := loadProjectSettings(p); loaded != settings.Default() { |
| 155 | t.Errorf("loadProjectSettings() = %+v with a broken file, want the defaults", loaded) |
| 156 | } |
| 157 | } |