30 lines
937 B
TypeScript
30 lines
937 B
TypeScript
import { AnsiTerminalDisplay } from "./ansi.ts";
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import { Buffer, describe, expect, it } from "./testing.ts";
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describe(AnsiTerminalDisplay, () => {
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it("clears the screen", async () => {
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const stdout = new Buffer();
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const display = new AnsiTerminalDisplay(stdout);
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await display.clear();
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checkSequence(stdout, "![2J");
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});
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it("writes colored characters", async () => {
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const stdout = new Buffer();
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const display = new AnsiTerminalDisplay(stdout);
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await display.setupPalette([
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{ r: 0.0, g: 0.0, b: 0.0 },
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{ r: 0.5, g: 0.1, b: 1.0 },
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]);
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await display.setChar({ x: 0, y: 0 }, { ch: "$", fg: 1, bg: 0 });
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checkSequence(stdout, "![38;2;128;26;255m![48;2;0;0;0m![0;0H$");
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});
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});
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function checkSequence(buffer: Buffer, expected: string) {
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const decoded = new TextDecoder().decode(
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buffer.bytes().map((x) => x == 0x1B ? 0x21 : x),
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);
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expect(decoded).toEqual(expected);
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}
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