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test
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Add a parallel option to groups.

This commit is contained in:
Bauke 2022-12-27 15:25:04 +01:00
parent 035cac86cc
commit a0d46f7018
Signed by: Bauke
GPG Key ID: C1C0F29952BCF558
2 changed files with 47 additions and 23 deletions
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30
source/group.ts
View File

@ -4,23 +4,32 @@ import {type Result, Test, TestContext} from "./test.js";
export async function setup(
name: string,
fn: (group: Group) => Promise<void>,
options?: GroupOptions,
): Promise<Group> {
const group = new Group(name);
const group = new Group(name, options);
await fn(group);
await group.run();
return group;
}
/** Options for test groups. */
export type GroupOptions = {
parallel?: boolean;
};
/** A collection of tests. */
export class Group {
export class Group implements GroupOptions {
public context: TestContext = new TestContext();
public parallel: boolean;
public results: Result[] = [];
public tests: Test[] = [];
private _afterAll: (() => Promise<void>) | undefined;
private _beforeAll: (() => Promise<void>) | undefined;
constructor(public name: string) {}
constructor(public name: string, options?: GroupOptions) {
this.parallel = options?.parallel ?? false;
}
/** Set a function to run after all tests have finished. */
afterAll(fn: Group["_afterAll"]): void {
@ -48,9 +57,18 @@ export class Group {
await this._beforeAll();
}
const results = await Promise.all(
this.tests.map(async (test) => test.run(this.context)),
);
let results: Result[];
if (this.parallel) {
results = await Promise.all(
this.tests.map(async (test) => test.run(this.context)),
);
} else {
results = [];
for (const test of this.tests) {
// eslint-disable-next-line no-await-in-loop
results.push(await test.run(this.context));
}
}
if (this._afterAll !== undefined) {
await this._afterAll();

40
tests/index.ts
View File

@ -34,24 +34,30 @@ void setup("add", async (group) => {
});
});
void setup("subtract", async (group) => {
group.beforeAll(async () => {
console.log("subtract beforeAll hook");
});
void setup(
"subtract",
async (group) => {
group.beforeAll(async () => {
console.log("subtract beforeAll hook");
});
group.afterAll(async () => {
console.log("subtract afterAll hook");
});
group.afterAll(async () => {
console.log("subtract afterAll hook");
});
group.test("subtract(1, 1) = 0", async (test) => {
test.equals(await subtract(1, 1), 0);
});
group.test("subtract(1, 1) = 0", async (test) => {
test.equals(await subtract(1, 1), 0);
});
group.skip("subtract(1, 1) = 1", async (test) => {
test.equals(await subtract(1, 1), 1);
});
group.skip("subtract(1, 1) = 1", async (test) => {
test.equals(await subtract(1, 1), 1);
});
group.test("subtract(1, 1) = 2", async (test) => {
test.equals(await subtract(1, 1), 2, "extra title");
});
});
group.test("subtract(1, 1) = 2", async (test) => {
test.equals(await subtract(1, 1), 2, "extra title");
});
},
{
parallel: false,
},
);