mirror of https://github.com/nodejs/node.git
83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
'use strict';
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const common = require('../common');
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const fixtures = require('../common/fixtures');
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const tmpdir = require('../common/tmpdir');
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const { suite, test } = require('node:test');
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tmpdir.refresh();
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suite('t.assert.fileSnapshot() validation', () => {
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test('path must be a string', (t) => {
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t.assert.throws(() => {
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t.assert.fileSnapshot({}, 5);
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}, /The "path" argument must be of type string/);
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});
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test('options must be an object', (t) => {
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t.assert.throws(() => {
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t.assert.fileSnapshot({}, '', null);
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}, /The "options" argument must be of type object/);
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});
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test('options.serializers must be an array if present', (t) => {
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t.assert.throws(() => {
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t.assert.fileSnapshot({}, '', { serializers: 5 });
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}, /The "options\.serializers" property must be an instance of Array/);
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});
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test('options.serializers must only contain functions', (t) => {
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t.assert.throws(() => {
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t.assert.fileSnapshot({}, '', { serializers: [() => {}, ''] });
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}, /The "options\.serializers\[1\]" property must be of type function/);
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});
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});
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suite('t.assert.fileSnapshot() update/read flow', () => {
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const fixture = fixtures.path(
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'test-runner', 'snapshots', 'file-snapshots.js'
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);
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test('fails prior to snapshot generation', async (t) => {
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const child = await common.spawnPromisified(
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process.execPath,
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[fixture],
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{ cwd: tmpdir.path },
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);
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t.assert.strictEqual(child.code, 1);
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t.assert.strictEqual(child.signal, null);
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t.assert.match(child.stdout, /tests 3/);
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t.assert.match(child.stdout, /pass 0/);
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t.assert.match(child.stdout, /fail 3/);
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t.assert.match(child.stdout, /Missing snapshots can be generated/);
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});
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test('passes when regenerating snapshots', async (t) => {
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const child = await common.spawnPromisified(
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process.execPath,
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['--test-update-snapshots', fixture],
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{ cwd: tmpdir.path },
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);
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t.assert.strictEqual(child.code, 0);
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t.assert.strictEqual(child.signal, null);
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t.assert.match(child.stdout, /tests 3/);
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t.assert.match(child.stdout, /pass 3/);
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t.assert.match(child.stdout, /fail 0/);
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});
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test('passes when snapshots exist', async (t) => {
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const child = await common.spawnPromisified(
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process.execPath,
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[fixture],
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{ cwd: tmpdir.path },
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);
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t.assert.strictEqual(child.code, 0);
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t.assert.strictEqual(child.signal, null);
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t.assert.match(child.stdout, /tests 3/);
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t.assert.match(child.stdout, /pass 3/);
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t.assert.match(child.stdout, /fail 0/);
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});
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});
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