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74 lines
1.8 KiB
74 lines
1.8 KiB
// /*/ // ⚡ |
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export const tests = [] |
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const t = (f) => tests.push(f) |
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//// RACE |
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t(async ({ eq, wait }) => { |
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// empty array should never resolve, just hang, forever... |
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let notCalled = true |
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race([]).then(() => (notCalled = false)) |
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await wait(5) |
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return eq(notCalled, true) |
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}) |
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t(async ({ eq, wait }) => |
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// it should return the first value to resolve |
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eq(await race([Promise.resolve(2), wait(5).then(() => 5)]), 2) |
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) |
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t(async ({ eq, wait }) => { |
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// it should not wait for every results to wait |
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const start = Date.now() |
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const result = await race([Promise.resolve(2), wait(50)]) |
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if (Date.now() - start > 5) throw Error("that's too long !") |
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return eq(result, 2) |
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}) |
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t(async ({ eq, wait }) => |
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// it should fail if the first promise reject |
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eq( |
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await race([wait(5), Promise.reject(Error('oops'))]).catch( |
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(err) => err.message |
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), |
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'oops' |
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) |
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) |
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t(async ({ eq, wait, ctx }) => |
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// it should not fail if the first promise did not reject |
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eq( |
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await race([ |
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wait(5).then(() => Promise.reject(Error('oops'))), |
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Promise.resolve(ctx), |
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]).catch((err) => err.message), |
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ctx |
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) |
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) |
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//// SOME |
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t(async ({ eq }) => |
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// empty array returns an empty array |
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eq(await some([], 10), []) |
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) |
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t(async ({ eq }) => |
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// a count of less than 1 also returns an empty array |
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eq(await some([1, 2, 3], 0), []) |
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) |
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t(async ({ eq, wait }) => |
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// it should return the first value to resolve |
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eq(await some([Promise.resolve(2), wait(5).then(() => 5)], 1), [2]) |
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) |
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t(async ({ eq, wait }) => { |
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// it should not wait for every results to wait, the order should be preserved. |
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const start = Date.now() |
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const result = await some([wait(1), wait(50), Promise.resolve(5)], 2) |
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if (Date.now() - start > 5) throw Error("that's too long !") |
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return eq(result, [undefined, 5]) |
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}) |
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Object.freeze(tests) |
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export const setup = Math.random
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