| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "fmt" |
| 6 | "os" |
| 7 | "strings" |
| 8 | "testing" |
| 9 | |
| 10 | "github.com/charmbracelet/colorprofile" |
| 11 | ) |
| 12 | |
| 13 | func TestFrameLines(t *testing.T) { |
| 14 | tests := []struct { |
| 15 | name string |
| 16 | filtered int |
| 17 | termRows int |
| 18 | searching bool |
| 19 | wantLines int |
| 20 | }{ |
| 21 | { |
| 22 | name: "small list no search", |
| 23 | filtered: 5, |
| 24 | termRows: 24, |
| 25 | searching: false, |
| 26 | wantLines: 4 + 5, // fixed(4) + items(5) |
| 27 | }, |
| 28 | { |
| 29 | name: "small list with search", |
| 30 | filtered: 5, |
| 31 | termRows: 24, |
| 32 | searching: true, |
| 33 | wantLines: 5 + 5, // fixed(5 search) + items(5) |
| 34 | }, |
| 35 | { |
| 36 | name: "list exceeds terminal height", |
| 37 | filtered: 100, |
| 38 | termRows: 24, |
| 39 | searching: false, |
| 40 | wantLines: 4 + 20, // fixed(4) + viewport(24-4=20) |
| 41 | }, |
| 42 | { |
| 43 | name: "list exceeds terminal with search", |
| 44 | filtered: 100, |
| 45 | termRows: 24, |
| 46 | searching: true, |
| 47 | wantLines: 5 + 19, // fixed(5) + viewport(24-5=19) |
| 48 | }, |
| 49 | { |
| 50 | name: "empty list", |
| 51 | filtered: 0, |
| 52 | termRows: 24, |
| 53 | searching: false, |
| 54 | wantLines: 4 + 0, // fixed(4) + viewport(0 items) |
| 55 | }, |
| 56 | { |
| 57 | name: "tiny terminal", |
| 58 | filtered: 10, |
| 59 | termRows: 8, |
| 60 | searching: false, |
| 61 | wantLines: 4 + 4, // fixed(4) + viewport(8-4=4) |
| 62 | }, |
| 63 | { |
| 64 | name: "tiny terminal with search", |
| 65 | filtered: 10, |
| 66 | termRows: 8, |
| 67 | searching: true, |
| 68 | wantLines: 5 + 3, // fixed(5) + viewport(8-5=3) |
| 69 | }, |
| 70 | } |
| 71 | for _, tt := range tests { |
| 72 | t.Run(tt.name, func(t *testing.T) { |
| 73 | got := FrameLines(tt.filtered, tt.termRows, tt.searching) |
| 74 | if got != tt.wantLines { |
| 75 | t.Errorf("FrameLines(%d, %d, %v) = %d, want %d", |
| 76 | tt.filtered, tt.termRows, tt.searching, got, tt.wantLines) |
| 77 | } |
| 78 | }) |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | func TestFrameLinesNeverExceedsTerminal(t *testing.T) { |
| 83 | // The frame must never print more lines than the terminal has rows. |
| 84 | // Otherwise the terminal scrolls and cursor repositioning drifts. |
| 85 | termRows := 24 |
| 86 | for _, searching := range []bool{false, true} { |
| 87 | for n := range 201 { |
| 88 | lines := FrameLines(n, termRows, searching) |
| 89 | if lines > termRows { |
| 90 | t.Errorf("FrameLines(%d, %d, searching=%v) = %d, exceeds terminal", |
| 91 | n, termRows, searching, lines) |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | func TestMaxViewportBounds(t *testing.T) { |
| 98 | // Viewport must be at least 1 even on impossibly small terminals. |
| 99 | vp := maxViewport(10, 3, false) |
| 100 | if vp < 1 { |
| 101 | t.Errorf("maxViewport(10, 3, false) = %d, want >= 1", vp) |
| 102 | } |
| 103 | // When items < available rows, viewport equals items. |
| 104 | vp = maxViewport(3, 24, false) |
| 105 | if vp != 3 { |
| 106 | t.Errorf("maxViewport(3, 24, false) = %d, want 3", vp) |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | func TestFilterMenuItems(t *testing.T) { |
| 111 | items := []menuItem{ |
| 112 | {name: "deepseek-v4", desc: "DeepSeek V4"}, |
| 113 | {name: "gpt-4o", desc: "OpenAI GPT-4o"}, |
| 114 | {name: "mimo-pro", desc: "MiMo Pro"}, |
| 115 | } |
| 116 | // Empty query returns all. |
| 117 | if got := filterMenuItems(items, ""); len(got) != 3 { |
| 118 | t.Errorf("empty query: got %d, want 3", len(got)) |
| 119 | } |
| 120 | // Case-insensitive match on name. |
| 121 | if got := filterMenuItems(items, "GPT"); len(got) != 1 || got[0].name != "gpt-4o" { |
| 122 | t.Errorf("GPT: got %v", got) |
| 123 | } |
| 124 | // Case-insensitive match on desc. |
| 125 | if got := filterMenuItems(items, "mimo"); len(got) != 1 || got[0].name != "mimo-pro" { |
| 126 | t.Errorf("mimo: got %v", got) |
| 127 | } |
| 128 | // No match. |
| 129 | if got := filterMenuItems(items, "claude"); len(got) != 0 { |
| 130 | t.Errorf("claude: got %d, want 0", len(got)) |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | // A frame line that soft-wraps occupies more rows than redraw counts, so a |
| 135 | // narrow terminal used to stack a fresh copy of the header and the wrapped |
| 136 | // rows on every keypress. Every line the frame emits must fit its width. |
| 137 | func TestMenuFrameLinesFitTerminalWidth(t *testing.T) { |
| 138 | prev := activeColorProfile |
| 139 | activeColorProfile = colorprofile.ANSI256 |
| 140 | t.Cleanup(func() { activeColorProfile = prev }) |
| 141 | |
| 142 | items := []menuItem{ |
| 143 | {name: "deepseek-pro", desc: "openai · 1 models · key missing"}, |
| 144 | {name: "Add Anthropic-compatible provider", desc: "Add third-party Anthropic compatible model"}, |
| 145 | {name: "中转站", desc: "自定义 OpenAI 兼容模型 · 密钥缺失"}, |
| 146 | } |
| 147 | for _, cols := range []int{1, 8, 40, 60} { |
| 148 | var buf bytes.Buffer |
| 149 | f := menuFrame{w: &buf, cols: cols} |
| 150 | f.header("Provider configuration", "(↑/↓ · Enter · q to cancel; / to search)") |
| 151 | f.searchBar("a query that is much longer than the narrowest terminal") |
| 152 | for i, it := range items { |
| 153 | f.row(i == 0, fmt.Sprintf("%-10s", it.name), it.desc) |
| 154 | } |
| 155 | out := buf.String() |
| 156 | if strings.Count(out, "\n") != strings.Count(out, "\r\n") { |
| 157 | t.Errorf("cols=%d: a line ends with a bare LF, which leaves the cursor mid-row in raw mode", cols) |
| 158 | } |
| 159 | lines := strings.Split(strings.TrimSuffix(out, "\r\n"), "\r\n") |
| 160 | if got, want := len(lines), 3+len(items); got != want { |
| 161 | t.Fatalf("cols=%d: wrote %d lines, want %d", cols, got, want) |
| 162 | } |
| 163 | for _, line := range lines { |
| 164 | if !strings.HasPrefix(line, "\r\033[K") { |
| 165 | t.Errorf("cols=%d: line %q does not start on a cleared row", cols, line) |
| 166 | } |
| 167 | if w := visibleWidth(line); w > cols { |
| 168 | t.Errorf("cols=%d: line %q spans %d cells and would wrap", cols, line, w) |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | func TestMenuFrameClipsLongLinesWithEllipsis(t *testing.T) { |
| 175 | prev := activeColorProfile |
| 176 | activeColorProfile = colorprofile.ANSI256 |
| 177 | t.Cleanup(func() { activeColorProfile = prev }) |
| 178 | |
| 179 | var buf bytes.Buffer |
| 180 | f := menuFrame{w: &buf, cols: 24} |
| 181 | f.row(true, "deepseek-pro", "openai · 1 models · key missing") |
| 182 | got := strings.TrimSuffix(buf.String(), "\r\n") |
| 183 | if !strings.HasSuffix(got, "…"+ansiReset) { |
| 184 | t.Errorf("clipped row %q should end with an ellipsis inside the reverse-video span", got) |
| 185 | } |
| 186 | if w := visibleWidth(got); w != 24 { |
| 187 | t.Errorf("clipped row spans %d cells, want 24", w) |
| 188 | } |
| 189 | |
| 190 | buf.Reset() |
| 191 | f.row(false, "deepseek-pro", "openai") |
| 192 | if got := buf.String(); strings.Contains(got, "…") { |
| 193 | t.Errorf("row that fits was clipped: %q", got) |
| 194 | } |
| 195 | |
| 196 | buf.Reset() |
| 197 | menuFrame{w: &buf, cols: 0}.row(true, "deepseek-pro", "openai · 1 models · key missing") |
| 198 | if got := buf.String(); strings.Contains(got, "…") { |
| 199 | t.Errorf("unknown width must leave the row unclipped: %q", got) |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | func TestTermSizeFallsBackToVT100(t *testing.T) { |
| 204 | r, w, err := os.Pipe() |
| 205 | if err != nil { |
| 206 | t.Fatal(err) |
| 207 | } |
| 208 | defer r.Close() |
| 209 | defer w.Close() |
| 210 | if cols, rows := termSize(int(r.Fd())); cols != 80 || rows != 24 { |
| 211 | t.Errorf("termSize(pipe) = %d×%d, want 80×24", cols, rows) |
| 212 | } |
| 213 | } |
| 214 |