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50 lines
2.2 KiB
TypeScript
50 lines
2.2 KiB
TypeScript
import { RuleTester } from 'eslint';
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const rule = require('./describeFilename');
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// RuleTester emits its own describe/test blocks, so it must be called at the
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// top level rather than from inside a test().
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const ruleTester = new RuleTester({
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languageOptions: { ecmaVersion: 2021, sourceType: 'module' },
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});
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const filename = '/repo/packages/lib/models/Tag.test.ts';
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ruleTester.run('describe-filename', rule, {
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valid: [
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// The file name, or any path suffix ending with it.
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{ code: 'describe(\'Tag\', () => {});', filename },
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{ code: 'describe(\'models/Tag\', () => {});', filename },
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{ code: 'describe(\'lib/models/Tag\', () => {});', filename },
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// Supported describe variants.
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{ code: 'describe.skip(\'Tag\', () => {});', filename },
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{ code: 'describe.only(\'Tag\', () => {});', filename },
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// describe.each builds the title from the test data, so a printf
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// placeholder or a $tag may follow the file name.
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{ code: 'describe.each([1])(\'Tag (%j)\', () => {});', filename },
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{ code: 'describe.each([1])(\'Tag $name\', () => {});', filename },
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{ code: 'describe.each`\\na\\n${1}\\n`(\'Tag $a\', () => {});', filename },
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// Nested describes are unrestricted.
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{ code: 'describe(\'Tag\', () => { describe(\'anything\', () => {}); });', filename },
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// Non-test files are not checked.
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{ code: 'describe(\'anything\', () => {});', filename: '/repo/packages/lib/models/Tag.ts' },
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],
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invalid: [
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{ code: 'describe(\'something\', () => {});', filename, errors: [{ messageId: 'mismatch' }] },
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{ code: 'describe(\'Tag rule\', () => {});', filename, errors: [{ messageId: 'mismatch' }] },
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{ code: 'describe(\'services/Tag\', () => {});', filename, errors: [{ messageId: 'mismatch' }] },
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{ code: 'describe.skip(\'nope\', () => {});', filename, errors: [{ messageId: 'mismatch' }] },
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{ code: 'describe.each([1])(\'nope (%j)\', () => {});', filename, errors: [{ messageId: 'mismatch' }] },
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{ code: 'describe.each`\\na\\n${1}\\n`(\'nope $a\', () => {});', filename, errors: [{ messageId: 'mismatch' }] },
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// Dynamic titles cannot be validated, so they are reported.
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{ code: 'describe(`Tag ${x}`, () => {});', filename, errors: [{ messageId: 'dynamic' }] },
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{ code: 'describe(title, () => {});', filename, errors: [{ messageId: 'dynamic' }] },
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],
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});
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