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test(typescript-estree): add unit tests for inferSingleRun function #8710

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test(typescript-estree): add unit tests for inferSingleRun function #8710

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14e809a
test: add testCase
y-hsgw Mar 18, 2024
adeef1f
Merge branch 'main' of https://github.com/y-hsgw/typescript-eslint in…
y-hsgw Mar 19, 2024
545c267
Merge branch 'main' into test/inferSingleRun
y-hsgw Mar 19, 2024
a48a8da
fix:Restore location of environment variable list
y-hsgw Mar 23, 2024
baf2f1f
test: add testCase
y-hsgw Mar 23, 2024
321dfe3
Merge branch 'main' into test/inferSingleRun
y-hsgw Apr 5, 2024
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99 changes: 99 additions & 0 deletions packages/typescript-estree/tests/lib/inferSingleRun.test.ts
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Original file line number Diff line number Diff line change
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import * as path from 'path';

import { inferSingleRun } from '../../src/parseSettings/inferSingleRun';

describe('inferSingleRun', () => {
const originalEnvCI = process.env.CI;
const originalProcessArgv = process.argv;
const originalTSESTreeSingleRun = process.env.TSESTREE_SINGLE_RUN;

afterEach(() => {
process.env.CI = originalEnvCI;
process.argv = originalProcessArgv;
process.env.TSESTREE_SINGLE_RUN = originalTSESTreeSingleRun;
});

it.each(['project', 'programs'])(
'returns false when given %j is null',
key => {
const actual = inferSingleRun({ [key]: null });

expect(actual).toBe(false);
},
);

it.each([
['true', true],
['false', false],
])('return %s when given TSESTREE_SINGLE_RUN is "%s"', (run, expected) => {
process.env.TSESTREE_SINGLE_RUN = run;

const actual = inferSingleRun({
programs: null,
project: './tsconfig.json',
});

expect(actual).toBe(expected);
});

it.each(['node_modules/.bin/eslint', 'node_modules/eslint/bin/eslint.js'])(
'returns true when singleRun is inferred from process.argv',
pathName => {
process.argv = ['', path.normalize(pathName), ''];

const actual = inferSingleRun({
programs: null,
project: './tsconfig.json',
allowAutomaticSingleRunInference: true,
});

expect(actual).toBe(true);
},
);

it('returns true when singleRun is inferred from CI=true', () => {
process.env.CI = 'true';

const actual = inferSingleRun({
programs: null,
project: './tsconfig.json',
allowAutomaticSingleRunInference: true,
});

expect(actual).toBe(true);
});

it('returns false when there is no way to infer singleRun', () => {
const actual = inferSingleRun({
programs: null,
project: './tsconfig.json',
});

expect(actual).toBe(false);
});

it('returns false even if CI=true when allowAutomaticSingleRunInference is not true', () => {
process.env.CI = 'true';

const actual = inferSingleRun({
programs: null,
project: './tsconfig.json',
});

expect(actual).toBe(false);
});

it.each(['node_modules/.bin/eslint', 'node_modules/eslint/bin/eslint.js'])(
'returns false even if singleRun is inferred from process.argv when allowAutomaticSingleRunInference is not true',
pathName => {
process.argv = ['', path.normalize(pathName), ''];

const actual = inferSingleRun({
programs: null,
project: './tsconfig.json',
});

expect(actual).toBe(false);
},
);
});