mirror of
https://github.com/denoland/deno.git
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411 lines
10 KiB
TypeScript
411 lines
10 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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import {
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assert,
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assertNotEquals,
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assertStringContains,
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assertArrayContains,
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assertMatch,
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assertEquals,
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assertStrictEquals,
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assertThrows,
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assertThrowsAsync,
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AssertionError,
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equal,
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fail,
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unimplemented,
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unreachable,
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} from "./asserts.ts";
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import { red, green, gray, bold, yellow } from "../fmt/colors.ts";
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Deno.test("testingEqual", function (): void {
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assert(equal("world", "world"));
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assert(!equal("hello", "world"));
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assert(equal(5, 5));
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assert(!equal(5, 6));
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assert(equal(NaN, NaN));
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assert(equal({ hello: "world" }, { hello: "world" }));
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assert(!equal({ world: "hello" }, { hello: "world" }));
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assert(
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equal(
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{ hello: "world", hi: { there: "everyone" } },
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{ hello: "world", hi: { there: "everyone" } }
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)
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);
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assert(
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!equal(
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{ hello: "world", hi: { there: "everyone" } },
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{ hello: "world", hi: { there: "everyone else" } }
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)
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);
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assert(equal(/deno/, /deno/));
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assert(!equal(/deno/, /node/));
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assert(equal(new Date(2019, 0, 3), new Date(2019, 0, 3)));
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assert(!equal(new Date(2019, 0, 3), new Date(2019, 1, 3)));
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assert(equal(new Set([1]), new Set([1])));
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assert(!equal(new Set([1]), new Set([2])));
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assert(equal(new Set([1, 2, 3]), new Set([3, 2, 1])));
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assert(equal(new Set([1, new Set([2, 3])]), new Set([new Set([3, 2]), 1])));
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assert(!equal(new Set([1, 2]), new Set([3, 2, 1])));
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assert(!equal(new Set([1, 2, 3]), new Set([4, 5, 6])));
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assert(equal(new Set("denosaurus"), new Set("denosaurussss")));
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assert(equal(new Map(), new Map()));
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assert(
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equal(
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new Map([
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["foo", "bar"],
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["baz", "baz"],
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]),
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new Map([
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["foo", "bar"],
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["baz", "baz"],
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])
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)
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);
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assert(
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equal(
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new Map([["foo", new Map([["bar", "baz"]])]]),
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new Map([["foo", new Map([["bar", "baz"]])]])
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)
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);
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assert(
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equal(
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new Map([["foo", { bar: "baz" }]]),
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new Map([["foo", { bar: "baz" }]])
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)
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);
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assert(
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equal(
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new Map([
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["foo", "bar"],
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["baz", "qux"],
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]),
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new Map([
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["baz", "qux"],
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["foo", "bar"],
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])
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)
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);
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assert(equal(new Map([["foo", ["bar"]]]), new Map([["foo", ["bar"]]])));
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assert(!equal(new Map([["foo", "bar"]]), new Map([["bar", "baz"]])));
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assert(
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!equal(
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new Map([["foo", "bar"]]),
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new Map([
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["foo", "bar"],
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["bar", "baz"],
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])
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)
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);
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assert(
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!equal(
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new Map([["foo", new Map([["bar", "baz"]])]]),
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new Map([["foo", new Map([["bar", "qux"]])]])
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)
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);
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assert(equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 1 }, true]])));
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assert(!equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 1 }, false]])));
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assert(!equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 2 }, true]])));
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assert(equal([1, 2, 3], [1, 2, 3]));
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assert(equal([1, [2, 3]], [1, [2, 3]]));
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assert(!equal([1, 2, 3, 4], [1, 2, 3]));
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assert(!equal([1, 2, 3, 4], [1, 2, 3]));
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assert(!equal([1, 2, 3, 4], [1, 4, 2, 3]));
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assert(equal(new Uint8Array([1, 2, 3, 4]), new Uint8Array([1, 2, 3, 4])));
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assert(!equal(new Uint8Array([1, 2, 3, 4]), new Uint8Array([2, 1, 4, 3])));
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assert(
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equal(new URL("https://example.test"), new URL("https://example.test"))
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);
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assert(
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!equal(
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new URL("https://example.test"),
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new URL("https://example.test/with-path")
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)
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);
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});
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Deno.test("testingNotEquals", function (): void {
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const a = { foo: "bar" };
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const b = { bar: "foo" };
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assertNotEquals(a, b);
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assertNotEquals("Denosaurus", "Tyrannosaurus");
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let didThrow;
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try {
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assertNotEquals("Raptor", "Raptor");
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didThrow = false;
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} catch (e) {
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assert(e instanceof AssertionError);
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didThrow = true;
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}
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assertEquals(didThrow, true);
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});
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Deno.test("testingAssertStringContains", function (): void {
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assertStringContains("Denosaurus", "saur");
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assertStringContains("Denosaurus", "Deno");
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assertStringContains("Denosaurus", "rus");
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let didThrow;
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try {
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assertStringContains("Denosaurus", "Raptor");
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didThrow = false;
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} catch (e) {
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assert(e instanceof AssertionError);
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didThrow = true;
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}
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assertEquals(didThrow, true);
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});
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Deno.test("testingArrayContains", function (): void {
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const fixture = ["deno", "iz", "luv"];
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const fixtureObject = [{ deno: "luv" }, { deno: "Js" }];
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assertArrayContains(fixture, ["deno"]);
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assertArrayContains(fixtureObject, [{ deno: "luv" }]);
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assertThrows(
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(): void => assertArrayContains(fixtureObject, [{ deno: "node" }]),
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AssertionError,
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`actual: "[ { deno: "luv" }, { deno: "Js" } ]" expected to contain: "[ { deno: "node" } ]"\nmissing: [ { deno: "node" } ]`
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);
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});
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Deno.test("testingAssertStringContainsThrow", function (): void {
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let didThrow = false;
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try {
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assertStringContains("Denosaurus from Jurassic", "Raptor");
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} catch (e) {
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assert(
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e.message ===
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`actual: "Denosaurus from Jurassic" expected to contain: "Raptor"`
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);
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assert(e instanceof AssertionError);
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didThrow = true;
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}
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assert(didThrow);
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});
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Deno.test("testingAssertStringMatching", function (): void {
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assertMatch("foobar@deno.com", RegExp(/[a-zA-Z]+@[a-zA-Z]+.com/));
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});
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Deno.test("testingAssertStringMatchingThrows", function (): void {
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let didThrow = false;
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try {
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assertMatch("Denosaurus from Jurassic", RegExp(/Raptor/));
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} catch (e) {
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assert(
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e.message ===
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`actual: "Denosaurus from Jurassic" expected to match: "/Raptor/"`
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);
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assert(e instanceof AssertionError);
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didThrow = true;
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}
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assert(didThrow);
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});
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Deno.test("testingAssertsUnimplemented", function (): void {
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let didThrow = false;
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try {
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unimplemented();
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} catch (e) {
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assert(e.message === "unimplemented");
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assert(e instanceof AssertionError);
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didThrow = true;
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}
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assert(didThrow);
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});
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Deno.test("testingAssertsUnreachable", function (): void {
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let didThrow = false;
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try {
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unreachable();
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} catch (e) {
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assert(e.message === "unreachable");
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assert(e instanceof AssertionError);
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didThrow = true;
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}
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assert(didThrow);
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});
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Deno.test("testingAssertFail", function (): void {
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assertThrows(fail, AssertionError, "Failed assertion.");
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assertThrows(
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(): void => {
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fail("foo");
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},
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AssertionError,
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"Failed assertion: foo"
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);
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});
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Deno.test("testingAssertFailWithWrongErrorClass", function (): void {
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assertThrows(
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(): void => {
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//This next assertThrows will throw an AssertionError due to the wrong
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//expected error class
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assertThrows(
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(): void => {
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fail("foo");
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},
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Error,
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"Failed assertion: foo"
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);
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},
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AssertionError,
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`Expected error to be instance of "Error", but was "AssertionError"`
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);
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});
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Deno.test("testingAssertThrowsWithReturnType", () => {
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assertThrows(() => {
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throw new Error();
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return "a string";
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});
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});
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Deno.test("testingAssertThrowsAsyncWithReturnType", () => {
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assertThrowsAsync(() => {
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throw new Error();
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return Promise.resolve("a Promise<string>");
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});
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});
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const createHeader = (): string[] => [
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"",
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"",
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` ${gray(bold("[Diff]"))} ${red(bold("Actual"))} / ${green(
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bold("Expected")
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)}`,
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"",
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"",
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];
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const added: (s: string) => string = (s: string): string => green(bold(s));
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const removed: (s: string) => string = (s: string): string => red(bold(s));
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Deno.test({
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name: "pass case",
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fn(): void {
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assertEquals({ a: 10 }, { a: 10 });
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assertEquals(true, true);
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assertEquals(10, 10);
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assertEquals("abc", "abc");
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assertEquals({ a: 10, b: { c: "1" } }, { a: 10, b: { c: "1" } });
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},
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});
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Deno.test({
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name: "failed with number",
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fn(): void {
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assertThrows(
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(): void => assertEquals(1, 2),
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AssertionError,
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[
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"Values are not equal:",
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...createHeader(),
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removed(`- ${yellow("1")}`),
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added(`+ ${yellow("2")}`),
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"",
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].join("\n")
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);
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},
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});
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Deno.test({
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name: "failed with number vs string",
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fn(): void {
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assertThrows(
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(): void => assertEquals(1, "1"),
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AssertionError,
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[
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"Values are not equal:",
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...createHeader(),
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removed(`- ${yellow("1")}`),
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added(`+ "1"`),
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].join("\n")
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);
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},
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});
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Deno.test({
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name: "failed with array",
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fn(): void {
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assertThrows(
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(): void => assertEquals([1, "2", 3], ["1", "2", 3]),
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AssertionError,
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[
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"Values are not equal:",
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...createHeader(),
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removed(`- [ ${yellow("1")}, ${green('"2"')}, ${yellow("3")} ]`),
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added(`+ [ ${green('"1"')}, ${green('"2"')}, ${yellow("3")} ]`),
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"",
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].join("\n")
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);
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},
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});
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Deno.test({
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name: "failed with object",
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fn(): void {
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assertThrows(
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(): void => assertEquals({ a: 1, b: "2", c: 3 }, { a: 1, b: 2, c: [3] }),
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AssertionError,
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[
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"Values are not equal:",
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...createHeader(),
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removed(
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`- { a: ${yellow("1")}, b: ${green('"2"')}, c: ${yellow("3")} }`
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),
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added(
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`+ { a: ${yellow("1")}, b: ${yellow("2")}, c: [ ${yellow("3")} ] }`
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),
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"",
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].join("\n")
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);
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},
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});
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Deno.test({
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name: "strict pass case",
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fn(): void {
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assertStrictEquals(true, true);
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assertStrictEquals(10, 10);
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assertStrictEquals("abc", "abc");
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const xs = [1, false, "foo"];
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const ys = xs;
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assertStrictEquals(xs, ys);
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const x = { a: 1 };
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const y = x;
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assertStrictEquals(x, y);
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},
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});
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Deno.test({
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name: "strict failed with structure diff",
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fn(): void {
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assertThrows(
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(): void => assertStrictEquals({ a: 1, b: 2 }, { a: 1, c: [3] }),
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AssertionError,
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[
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"Values are not strictly equal:",
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...createHeader(),
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removed(`- { a: ${yellow("1")}, b: ${yellow("2")} }`),
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added(`+ { a: ${yellow("1")}, c: [ ${yellow("3")} ] }`),
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"",
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].join("\n")
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);
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},
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});
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Deno.test({
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name: "strict failed with reference diff",
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fn(): void {
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assertThrows(
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(): void => assertStrictEquals({ a: 1, b: 2 }, { a: 1, b: 2 }),
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AssertionError,
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[
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"Values have the same structure but are not reference-equal:\n",
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red(` { a: ${yellow("1")}, b: ${yellow("2")} }`),
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].join("\n")
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);
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},
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});
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