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https://github.com/denoland/deno.git
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d8afd56838
This commit adds 4 more overloads to "Deno.test()" API.
```
// Deno.test(function testName() { });
export function test(fn: (t: TestContext) => void | Promise<void>): void;
// Deno.test("test name", { only: true }, function() { });
export function test(
name: string,
options: Omit<TestDefinition, "name">,
fn: (t: TestContext) => void | Promise<void>,
): void;
// Deno.test({ name: "test name" }, function() { });
export function test(
options: Omit<TestDefinition, "fn">,
fn: (t: TestContext) => void | Promise<void>,
): void;
// Deno.test({ only: true }, function testName() { });
export function test(
options: Omit<TestDefinition, "fn" | "name">,
fn: (t: TestContext) => void | Promise<void>,
): void;
```
119 lines
2.8 KiB
TypeScript
119 lines
2.8 KiB
TypeScript
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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import { assertRejects, assertThrows, unitTest } from "./test_util.ts";
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unitTest(function testWrongOverloads() {
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assertThrows(
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() => {
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// @ts-ignore Testing invalid overloads
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Deno.test("some name", { fn: () => {} }, () => {});
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},
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TypeError,
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"Unexpected 'fn' field in options, test function is already provided as the third argument.",
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);
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assertThrows(
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() => {
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// @ts-ignore Testing invalid overloads
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Deno.test("some name", { name: "some name2" }, () => {});
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},
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TypeError,
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"Unexpected 'name' field in options, test name is already provided as the first argument.",
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);
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assertThrows(
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() => {
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// @ts-ignore Testing invalid overloads
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Deno.test(() => {});
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},
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TypeError,
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"The test function must have a name",
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);
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assertThrows(
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() => {
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// @ts-ignore Testing invalid overloads
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Deno.test(function foo() {}, {});
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},
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TypeError,
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"Unexpected second argument to Deno.test()",
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);
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assertThrows(
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() => {
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// @ts-ignore Testing invalid overloads
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Deno.test({ fn: () => {} }, function foo() {});
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},
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TypeError,
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"Unexpected 'fn' field in options, test function is already provided as the second argument.",
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);
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assertThrows(
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() => {
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// @ts-ignore Testing invalid overloads
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Deno.test({});
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},
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TypeError,
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"Expected 'fn' field in the first argument to be a test function.",
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);
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assertThrows(
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() => {
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// @ts-ignore Testing invalid overloads
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Deno.test({ fn: "boo!" });
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},
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TypeError,
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"Expected 'fn' field in the first argument to be a test function.",
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);
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});
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unitTest(function nameOfTestCaseCantBeEmpty() {
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assertThrows(
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() => {
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Deno.test("", () => {});
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},
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TypeError,
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"The test name can't be empty",
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);
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assertThrows(
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() => {
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Deno.test({
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name: "",
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fn: () => {},
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});
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},
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TypeError,
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"The test name can't be empty",
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);
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});
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unitTest(function invalidStepArguments(t) {
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assertRejects(
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async () => {
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// deno-lint-ignore no-explicit-any
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await (t as any).step("test");
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},
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TypeError,
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"Expected function for second argument.",
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);
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assertRejects(
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async () => {
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// deno-lint-ignore no-explicit-any
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await (t as any).step("test", "not a function");
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},
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TypeError,
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"Expected function for second argument.",
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);
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assertRejects(
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async () => {
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// deno-lint-ignore no-explicit-any
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await (t as any).step();
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},
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TypeError,
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"Expected a test definition or name and function.",
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);
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assertRejects(
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async () => {
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// deno-lint-ignore no-explicit-any
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await (t as any).step(() => {});
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},
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TypeError,
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"Expected a test definition or name and function.",
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);
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});
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