| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "strings" |
| 5 | "testing" |
| 6 | |
| 7 | tea "charm.land/bubbletea/v2" |
| 8 | "github.com/charmbracelet/x/ansi" |
| 9 | |
| 10 | "reasonix/internal/control" |
| 11 | "reasonix/internal/event" |
| 12 | "reasonix/internal/i18n" |
| 13 | ) |
| 14 | |
| 15 | // conhostCJKCells is what a legacy conhost window with the default Chinese |
| 16 | // console font measured through WriteConsoleW + cursor read-back (#10540). |
| 17 | var conhostCJKCells = map[rune]int{ |
| 18 | '·': 2, '…': 2, '“': 2, '”': 2, '‘': 2, '’': 2, '—': 2, '–': 2, |
| 19 | '●': 2, '○': 2, '←': 2, '↑': 2, '→': 2, '↓': 2, '※': 2, '★': 2, |
| 20 | '■': 2, '◆': 2, 'α': 2, 'β': 2, 'Ω': 2, 'Ж': 2, 'ж': 2, '°': 2, |
| 21 | '±': 2, '×': 2, '€': 2, |
| 22 | '─': 1, '│': 1, '┌': 1, '•': 1, '█': 1, 'ü': 1, 'é': 1, '™': 1, |
| 23 | '￩': 1, '￪': 1, '￫': 1, '￬': 1, '￭': 1, '￮': 1, '￨': 1, |
| 24 | } |
| 25 | |
| 26 | // conhostBestFit is the same machine's WideCharToMultiByte(20127) answer. |
| 27 | var conhostBestFit = map[rune]rune{ |
| 28 | '·': '.', '…': '.', '“': '"', '”': '"', '‘': '\'', '’': '\'', '—': '-', '–': '-', |
| 29 | '•': '.', 'ü': 'u', 'é': 'e', '™': 'T', |
| 30 | } |
| 31 | |
| 32 | func conhostTableFit() *glyphFit { |
| 33 | return newGlyphFit(conhostCellsOf, func(r rune) rune { |
| 34 | if c, ok := conhostBestFit[r]; ok { |
| 35 | return c |
| 36 | } |
| 37 | return '?' |
| 38 | }) |
| 39 | } |
| 40 | |
| 41 | func conhostCellsOf(r rune) int { |
| 42 | if w, ok := conhostCJKCells[r]; ok { |
| 43 | return w |
| 44 | } |
| 45 | if r < 0x80 { |
| 46 | return 1 |
| 47 | } |
| 48 | return ansi.StringWidth(string(r)) |
| 49 | } |
| 50 | |
| 51 | func conhostRowCells(row string) int { |
| 52 | n := 0 |
| 53 | for _, r := range ansi.Strip(row) { |
| 54 | n += conhostCellsOf(r) |
| 55 | } |
| 56 | return n |
| 57 | } |
| 58 | |
| 59 | func TestChatFrameFitsConhostMeasuredWidths(t *testing.T) { |
| 60 | i18n.DetectLanguage("en") |
| 61 | const cols = 120 |
| 62 | ctrl := newOwnedTestController(t, control.Options{}) |
| 63 | m := newChatTUI(ctrl, "", make(chan event.Event, 1), cols) |
| 64 | m.glyphs = conhostTableFit() |
| 65 | m.notice(strings.Repeat("“引号”…—→·", 12)) |
| 66 | next, _ := m.Update(tea.WindowSizeMsg{Width: cols, Height: 30}) |
| 67 | m = next.(chatTUI) |
| 68 | |
| 69 | frame := m.View().Content |
| 70 | for i, row := range strings.Split(frame, "\n") { |
| 71 | if got := conhostRowCells(row); got > cols { |
| 72 | t.Fatalf("row %d draws %d cells on conhost, terminal has %d:\n%s", i, got, cols, ansi.Strip(row)) |
| 73 | } |
| 74 | } |
| 75 | if !strings.Contains(ansi.Strip(frame), `"引号".-￫.`) { |
| 76 | t.Fatalf("notice should carry the measured stand-ins:\n%s", ansi.Strip(frame)) |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | func TestGlyphFitLeavesEscapePayloadsAlone(t *testing.T) { |
| 81 | link := ansi.SetHyperlink("https://example.com/·") + "a·b" + ansi.ResetHyperlink() |
| 82 | got := conhostTableFit().apply(link) |
| 83 | want := ansi.SetHyperlink("https://example.com/·") + "a.b" + ansi.ResetHyperlink() |
| 84 | if got != want { |
| 85 | t.Fatalf("apply(%q) = %q, want %q", link, got, want) |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | func TestGlyphFitKeepsRunesTheConsoleAgreesOn(t *testing.T) { |
| 90 | in := "│─┌ 中文 • ü" |
| 91 | if got := conhostTableFit().apply(in); got != in { |
| 92 | t.Fatalf("apply(%q) = %q, want it unchanged", in, got) |
| 93 | } |
| 94 | } |
| 95 |