27 lines
666 B
TypeScript
27 lines
666 B
TypeScript
|
import { expect } from 'chai';
|
||
|
|
|
||
|
|
export async function expectDeprecationMessages (func: () => any, ...expected: string[]) {
|
||
|
|
const messages: string[] = [];
|
||
|
|
|
||
|
|
const originalWarn = console.warn;
|
||
|
|
console.warn = (message) => {
|
||
|
|
messages.push(message);
|
||
|
|
};
|
||
|
|
|
||
|
|
const warningListener = (error: Error) => {
|
||
|
|
messages.push(error.message);
|
||
|
|
};
|
||
|
|
|
||
|
|
process.on('warning', warningListener);
|
||
|
|
|
||
|
|
try {
|
||
|
|
return await func();
|
||
|
|
} finally {
|
||
|
|
// process.emitWarning seems to need us to wait a tick
|
||
|
|
await new Promise(process.nextTick);
|
||
|
|
console.warn = originalWarn;
|
||
|
|
process.off('warning', warningListener);
|
||
|
|
expect(messages).to.deep.equal(expected);
|
||
|
|
}
|
||
|
|
}
|