/
test-utils.ts
50 lines (43 loc) · 1.29 KB
/
test-utils.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
import { resolve } from 'path';
import { TSESLint } from '@typescript-eslint/utils';
const DEFAULT_TEST_CASE_CONFIG = {
filename: 'MyComponent.test.js',
};
class TestingLibraryRuleTester extends TSESLint.RuleTester {
run<TMessageIds extends string, TOptions extends Readonly<unknown[]>>(
ruleName: string,
rule: TSESLint.RuleModule<TMessageIds, TOptions>,
tests: TSESLint.RunTests<TMessageIds, TOptions>
): void {
const { valid, invalid } = tests;
const finalValid = valid.map((testCase) => {
if (typeof testCase === 'string') {
return {
...DEFAULT_TEST_CASE_CONFIG,
code: testCase,
};
}
return { ...DEFAULT_TEST_CASE_CONFIG, ...testCase };
});
const finalInvalid = invalid.map((testCase) => ({
...DEFAULT_TEST_CASE_CONFIG,
...testCase,
}));
super.run(ruleName, rule, { valid: finalValid, invalid: finalInvalid });
}
}
export const createRuleTester = (
parserOptions: Partial<TSESLint.ParserOptions> = {}
): TSESLint.RuleTester => {
return new TestingLibraryRuleTester({
parser: resolve('./node_modules/@typescript-eslint/parser'),
parserOptions: {
ecmaVersion: 2018,
sourceType: 'module',
ecmaFeatures: {
jsx: true,
},
...parserOptions,
},
});
};