/
require-await.test.ts
114 lines (107 loc) · 3.01 KB
/
require-await.test.ts
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import rule from '../../src/rules/require-await';
import { RuleTester, getFixturesRootDir } from '../RuleTester';
const rootDir = getFixturesRootDir();
const ruleTester = new RuleTester({
parserOptions: {
ecmaVersion: 2018,
tsconfigRootDir: rootDir,
project: './tsconfig.json',
},
parser: '@typescript-eslint/parser',
});
const noAwaitFunctionDeclaration: any = {
message: "Async function 'numberOne' has no 'await' expression.",
};
const noAwaitFunctionExpression: any = {
message: "Async function has no 'await' expression.",
};
const noAwaitAsyncFunctionExpression: any = {
message: "Async arrow function has no 'await' expression.",
};
ruleTester.run('require-await', rule, {
valid: [
{
// Non-async function declaration
code: `function numberOne(): number {
return 1;
}`,
},
{
// Non-async function expression
code: `const numberOne = function(): number {
return 1;
}`,
},
{
// Non-async arrow function expression
code: `const numberOne = (): number => 1;`,
},
{
// Async function declaration with await
code: `async function numberOne(): Promise<number> {
return await 1;
}`,
},
{
// Async function expression with await
code: `const numberOne = async function(): Promise<number> {
return await 1;
}`,
},
{
// Async arrow function expression with await
code: `const numberOne = async (): Promise<number> => await 1;`,
},
{
// Async function declaration with promise return
code: `async function numberOne(): Promise<number> {
return Promise.resolve(1);
}`,
},
{
// Async function expression with promise return
code: `const numberOne = async function(): Promise<number> {
return Promise.resolve(1);
}`,
},
{
// Async function declaration with async function return
code: `async function numberOne(): Promise<number> {
return getAsyncNumber(1);
}
async function getAsyncNumber(x: number): Promise<number> {
return Promise.resolve(x);
}`,
},
{
// Async function expression with async function return
code: `const numberOne = async function(): Promise<number> {
return getAsyncNumber(1);
}
const getAsyncNumber = async function(x: number): Promise<number> {
return Promise.resolve(x);
}`,
},
],
invalid: [
{
// Async function declaration with no await
code: `async function numberOne(): Promise<number> {
return 1;
}`,
errors: [noAwaitFunctionDeclaration],
},
{
// Async function expression with no await
code: `const numberOne = async function(): Promise<number> {
return 1;
}`,
errors: [noAwaitFunctionExpression],
},
{
// Async arrow function expression with no await
code: `const numberOne = async (): Promise<number> => 1;`,
errors: [noAwaitAsyncFunctionExpression],
},
],
});