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bomb.sh/docs/clack/basics/getting-started/
cli
command-line
command-line-app
node
prompt
prompts
test: add test utils (#294)
authored by
James Garbutt
and committed by
GitHub
(Apr 16, 2025, 10:01 AM +0100)
fb55d6e9
93d7e44f
+41
-40
+2
-40
packages/prompts/src/index.test.ts
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-40
packages/prompts/src/index.test.ts
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import { EventEmitter, Readable, Writable } from 'node:stream';
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import { EventEmitter } from 'node:stream';
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import colors from 'picocolors';
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import { afterAll, afterEach, beforeAll, beforeEach, describe, expect, test, vi } from 'vitest';
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import * as prompts from './index.js';
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// TODO (43081j): move this into a util?
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class MockWritable extends Writable {
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public buffer: string[] = [];
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_write(
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chunk: any,
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_encoding: BufferEncoding,
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callback: (error?: Error | null | undefined) => void
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): void {
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this.buffer.push(chunk.toString());
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callback();
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}
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}
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class MockReadable extends Readable {
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protected _buffer: unknown[] | null = [];
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_read() {
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if (this._buffer === null) {
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this.push(null);
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return;
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}
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for (const val of this._buffer) {
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this.push(val);
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}
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this._buffer = [];
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}
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pushValue(val: unknown): void {
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this._buffer?.push(val);
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}
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close(): void {
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this._buffer = null;
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}
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}
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import { MockReadable, MockWritable } from './test-utils.js';
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describe.each(['true', 'false'])('prompts (isCI = %s)', (isCI) => {
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let originalCI: string | undefined;
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packages/prompts/src/test-utils.ts
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packages/prompts/src/test-utils.ts
···
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import { Readable, Writable } from 'node:stream';
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export class MockWritable extends Writable {
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public buffer: string[] = [];
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_write(
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chunk: any,
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_encoding: BufferEncoding,
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callback: (error?: Error | null | undefined) => void
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): void {
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this.buffer.push(chunk.toString());
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callback();
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}
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}
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export class MockReadable extends Readable {
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protected _buffer: unknown[] | null = [];
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_read() {
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if (this._buffer === null) {
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this.push(null);
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return;
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}
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for (const val of this._buffer) {
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this.push(val);
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}
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this._buffer = [];
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}
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pushValue(val: unknown): void {
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this._buffer?.push(val);
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}
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close(): void {
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this._buffer = null;
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}
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}