100 lines
3.4 KiB
TypeScript
100 lines
3.4 KiB
TypeScript
import { describe, expect, test } from "bun:test";
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import { createTerminal, disposeTerminal, serializeAsHTML } from "./terminal";
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// Helper to write to terminal and wait for completion
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function writeSync(
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term: ReturnType<typeof createTerminal>,
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data: string,
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): Promise<void> {
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return new Promise((resolve) => {
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term.terminal.write(data, resolve);
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});
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}
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describe("terminal", () => {
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test("creates terminal with correct dimensions", () => {
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const term = createTerminal(80, 24);
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expect(term.terminal.cols).toBe(80);
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expect(term.terminal.rows).toBe(24);
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disposeTerminal(term);
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});
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test("writes data to terminal buffer", async () => {
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const term = createTerminal(80, 24);
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await writeSync(term, "Hello, world!");
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const html = serializeAsHTML(term);
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expect(html).toContain("Hello, world!");
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disposeTerminal(term);
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});
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test("handles ANSI cursor movement", async () => {
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const term = createTerminal(80, 24);
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await writeSync(term, "AAA\x1b[3D"); // Write AAA, move cursor back 3
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await writeSync(term, "BBB"); // Overwrite with BBB
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const html = serializeAsHTML(term);
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expect(html).toContain("BBB");
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expect(html).not.toContain("AAA");
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disposeTerminal(term);
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});
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test("handles carriage return correctly", async () => {
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const term = createTerminal(80, 24);
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await writeSync(term, "Old text\rNew"); // CR should move to col 0
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const html = serializeAsHTML(term);
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expect(html).toContain("New");
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expect(html).not.toContain("Old");
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disposeTerminal(term);
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});
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test("handles incomplete ANSI sequences across writes", async () => {
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const term = createTerminal(80, 24);
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await writeSync(term, "Hello\x1b["); // Incomplete CSI
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await writeSync(term, "31mRed\x1b[0m"); // Complete it
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const html = serializeAsHTML(term);
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expect(html).toContain("Red");
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// Check for red styling (color may vary in format)
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expect(html).toMatch(/color|red|#[a-f0-9]{6}/i);
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disposeTerminal(term);
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});
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test("handles screen clearing", async () => {
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const term = createTerminal(80, 24);
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await writeSync(term, "First line\n");
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await writeSync(term, "Second line");
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await writeSync(term, "\x1b[2J"); // Clear screen
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await writeSync(term, "\x1b[H"); // Cursor home
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await writeSync(term, "After clear");
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const html = serializeAsHTML(term);
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expect(html).toContain("After clear");
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// "First line" should be in scrollback but not current screen
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disposeTerminal(term);
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});
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test("handles cursor position command", async () => {
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const term = createTerminal(80, 24);
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await writeSync(term, "\x1b[5;10H"); // Move cursor to row 5, col 10
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await writeSync(term, "Positioned");
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const html = serializeAsHTML(term);
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expect(html).toContain("Positioned");
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// CSI H should not leak through as literal characters
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expect(html).not.toMatch(/^[HJ]$/m);
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disposeTerminal(term);
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});
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test("handles resize", () => {
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const term = createTerminal(80, 24);
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term.terminal.resize(120, 40);
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expect(term.terminal.cols).toBe(120);
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expect(term.terminal.rows).toBe(40);
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disposeTerminal(term);
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});
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test("serialize returns valid HTML structure", async () => {
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const term = createTerminal(80, 24);
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await writeSync(term, "Test content");
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const html = serializeAsHTML(term);
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// Should be valid HTML (has span structure from xterm serialize addon)
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expect(html).toMatch(/<span|<div|Test content/);
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disposeTerminal(term);
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});
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});
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