8000 test(type-utils): add tests for containsAllTypesByName (#9711) · jakebailey/typescript-eslint@fd57da9 · GitHub
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test(type-utils): add tests for containsAllTypesByName (typescript-eslint#9711)
* test: add test case * test: disable automatic single run inference for tests
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‎packages/type-utils/tests/containsAllTypesByName.test.ts

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import { parseForESLint } from '@typescript-eslint/parser';
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import type { TSESTree } from '@typescript-eslint/typescript-estree';
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import path from 'path';
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import type * as ts from 'typescript';
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import { containsAllTypesByName } from '../src';
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import { expectToHaveParserServices } from './test-utils/expectToHaveParserServices';
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describe('containsAllTypesByName', () => {
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const rootDir = path.join(__dirname, 'fixtures');
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function getType(code: string): ts.Type {
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const { ast, services } = parseForESLint(code, {
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disallowAutomaticSingleRunInference: true,
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project: './tsconfig.json',
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filePath: path.join(rootDir, 'file.ts'),
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tsconfigRootDir: rootDir,
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});
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expectToHaveParserServices(services);
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const declaration = ast.body[0] as TSESTree.TSTypeAliasDeclaration;
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return services.getTypeAtLocation(declaration.id);
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}
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describe('allowAny', () => {
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function runTestForAliasDeclaration(
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code: string,
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allowAny: boolean,
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expected: boolean,
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): void {
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const type = getType(code);
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const result = containsAllTypesByName(type, allowAny, new Set());
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expect(result).toBe(expected);
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}
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describe('is true', () => {
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function runTest(code: string, expected: boolean): void {
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runTestForAliasDeclaration(code, true, expected);
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}
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it.each([
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['type Test = unknown;', false],
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['type Test = any;', false],
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['type Test = string;', false],
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])('when code is "%s" expected is %s', runTest);
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});
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describe('is false', () => {
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function runTest(code: string, expected: boolean): void {
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runTestForAliasDeclaration(code, false, expected);
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}
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it.each([
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['type Test = unknown;', true],
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['type Test = any;', true],
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['type Test = string;', false],
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])('when code is "%s" expected is %s', runTest);
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});
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});
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describe('matchAnyInstead', () => {
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function runTestForAliasDeclaration(
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code: string,
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matchAnyInstead: boolean,
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expected: boolean,
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): void {
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const type = getType(code);
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const result = containsAllTypesByName(
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type,
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false,
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new Set(['Promise', 'Object']),
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matchAnyInstead,
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);
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expect(result).toBe(expected);
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}
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describe('is true', () => {
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function runTest(code: string, expected: boolean): void {
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runTestForAliasDeclaration(code, true, expected);
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}
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it.each([
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[`type Test = Promise<void> & string`, true],
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['type Test = Promise<void> | string', true],
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['type Test = Promise<void> | Object', true],
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])('when code is "%s" expected is %s', runTest);
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});
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describe('is false', () => {
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function runTest(code: string, expected: boolean): void {
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runTestForAliasDeclaration(code, false, expected);
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}
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it.each([
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['type Test = Promise<void> & string', false],
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['type Test = Promise<void> | string', false],
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['type Test = Promise<void> | Object', true],
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])('when code is "%s" expected is %s', runTest);
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});
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});
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});

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