/
prefer-ts-expect-error.test.ts
85 lines (82 loc) · 1.64 KB
/
prefer-ts-expect-error.test.ts
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import rule from '../../src/rules/prefer-ts-expect-error';
import { RuleTester } from '../RuleTester';
const ruleTester = new RuleTester({
parser: '@typescript-eslint/parser',
});
ruleTester.run('prefer-ts-expect-error', rule, {
valid: [
'// @ts-nocheck',
'// @ts-check',
'// just a comment containing @ts-ignore somewhere',
'/* @ts-ignore */',
'/** @ts-ignore */',
`
/*
// @ts-ignore in a block
*/
`,
'// @ts-expect-error',
`
if (false) {
// @ts-expect-error: Unreachable code error
console.log('hello');
}
`,
],
invalid: [
{
code: '// @ts-ignore',
output: '// @ts-expect-error',
errors: [
{
messageId: 'preferExpectErrorComment',
line: 1,
column: 1,
},
],
},
{
code: '// @ts-ignore: Suppress next line',
output: '// @ts-expect-error: Suppress next line',
errors: [
{
messageId: 'preferExpectErrorComment',
line: 1,
column: 1,
},
],
},
{
code: '/////@ts-ignore: Suppress next line',
output: '/////@ts-expect-error: Suppress next line',
errors: [
{
messageId: 'preferExpectErrorComment',
line: 1,
column: 1,
},
],
},
{
code: `
if (false) {
// @ts-ignore: Unreachable code error
console.log('hello');
}
`,
output: `
if (false) {
// @ts-expect-error: Unreachable code error
console.log('hello');
}
`,
errors: [
{
messageId: 'preferExpectErrorComment',
line: 3,
column: 3,
},
],
},
],
});