assertSnapshot | /testing/snapshot.ts | std@0.208.0

Module

std/testing/snapshot.ts>assertSnapshot

Deno standard library

denoland/deno_std

Latest

assertNotStrictEquals

Spy

spy

Has

function assertSnapshot

import { assertSnapshot } from "https://deno.land/std@0.208.0/testing/snapshot.ts";

assertSnapshot<T>(

context: Deno.TestContext,

actual: T,

options: SnapshotOptions<T>,

): Promise<void>

Make an assertion that actual matches a snapshot. If the snapshot and actual do not a match, then throw.

assertSnapshot<T>(

context: Deno.TestContext,

actual: T,

message?: string,

): Promise<void>

Make an assertion that actual matches a snapshot. If the snapshot and actual do not a match, then throw.

Type parameter can be specified to ensure values under comparison have the same type.

Examples

Example 1

import { assertSnapshot } from "https://deno.land/std@0.208.0/testing/snapshot.ts";

Deno.test("snapshot", async (test) => {
 await assertSnapshot<number>(test, 2);
});

Type Parameters

Parameters

context: Deno.TestContext

actual: T

options: SnapshotOptions<T>

Returns

Promise<void>