foster/denoland-deno
0
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-10-29 08:58:01 -04:00
Code Issues Wiki Activity

feat(std/testing): Allow non-void promises in assertThrowsAsync (#6052)

Browse source
This commit is contained in:
Jon Short 2020-06-04 15:43:05 +01:00 committed by GitHub
parent e3cc3db20f
commit 4b1638dccc
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 19 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
std/testing/asserts.ts
View file

@ -325,8 +325,8 @@ export function fail(msg?: string): void {
* throws. An error class and a string that should be included in the
* error message can also be asserted.
*/
export function assertThrows(
fn: () => void,
export function assertThrows<T = void>(
fn: () => T,
ErrorClass?: Constructor,
msgIncludes = "",
msg?: string
@ -361,8 +361,8 @@ export function assertThrows(
return error;
}
export async function assertThrowsAsync(
fn: () => Promise<void>,
export async function assertThrowsAsync<T = void>(
fn: () => Promise<T>,
ErrorClass?: Constructor,
msgIncludes = "",
msg?: string

15
std/testing/asserts_test.ts
View file

@ -9,6 +9,7 @@ import {
assertEquals,
assertStrictEq,
assertThrows,
assertThrowsAsync,
AssertionError,
equal,
fail,
@ -245,6 +246,20 @@ test("testingAssertFailWithWrongErrorClass", function (): void {
);
});
test("testingAssertThrowsWithReturnType", () => {
assertThrows(() => {
throw new Error();
return "a string";
});
});
test("testingAssertThrowsAsyncWithReturnType", () => {
assertThrowsAsync(() => {
throw new Error();
return Promise.resolve("a Promise<string>");
});
});
const createHeader = (): string[] => [
"",
"",