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Originally we planned to have a JS class for each error code. But it seems better to just have a single DenoError class with a "kind" property. One nice thing about using an enum instead of classes for errors is that switch() can be used during error handling instead of a bunch of instanceof branches.
20 lines
632 B
TypeScript
20 lines
632 B
TypeScript
// Copyright 2018 the Deno authors. All rights reserved. MIT license.
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import { test, testPerm, assert, assertEqual } from "./test_util.ts";
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import * as deno from "deno";
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testPerm({ net: true }, async function fetchJsonSuccess() {
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const response = await fetch("http://localhost:4545/package.json");
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const json = await response.json();
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assertEqual(json.name, "deno");
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});
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test(async function fetchPerm() {
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let err;
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try {
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await fetch("http://localhost:4545/package.json");
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} catch (err_) {
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err = err_;
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}
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assertEqual(err.kind, deno.ErrorKind.PermissionDenied);
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assertEqual(err.name, "PermissionDenied");
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});
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