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fix: add before and after to test case types #20049

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Merged
merged 1 commit into from
Aug 28, 2025
+21 −0
Merged

fix: add before and after to test case types #20049

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2 changes: 2 additions & 0 deletions lib/types/index.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2259,6 +2259,8 @@ export namespace RuleTester {
only?: boolean;
languageOptions?: Linter.LanguageOptions | undefined;
settings?: { [name: string]: any } | undefined;
before?: () => void;
after?: () => void;
}

interface SuggestionOutput {
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19 changes: 19 additions & 0 deletions tests/lib/types/types.test.ts
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Expand Up @@ -1924,6 +1924,15 @@ ruleTester.run("my-rule", rule, {
{ code: "foo", filename: "test.js" },
{ code: "foo", languageOptions: { globals: { foo: true } } },
{ code: "foo", settings: { foo: true } },
{
code: "foo",
before() {
/* do something */
},
after() {
/* undo something */
},
},
RuleTester.only("foo"),
],

Expand Down Expand Up @@ -1954,6 +1963,12 @@ ruleTester.run("my-rule", rule, {
],
},
{ code: "foo", errors: 1, only: true },
{
code: "foo",
errors: [{ messageId: "bar" }],
before: () => {},
after: () => {},
},
// @ts-expect-error // `message` cannot be `undefined`
{ code: "foo", errors: [{ message: undefined }], only: true },
// @ts-expect-error // `messageId` cannot be `undefined`
Expand All @@ -1972,6 +1987,10 @@ ruleTester.run("my-rule", rule, {
},
],
},
// @ts-expect-error // `before` should be a function
{ code: "foo", errors: [{ messageId: "bar" }], before: {} },
// @ts-expect-error // `after` should be a function
{ code: "foo", errors: [{ messageId: "bar" }], after: void 0 },
],
});

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