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JoinByKey.ts
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JoinByKey.ts
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import { asAsync, itAsync, itEnumerable, itParallel } from "../TestHelpers"
import { EqualityComparer } from "linq-to-typescript"
describe("joinByKey", () => {
itEnumerable("basic", (asEnumerable) => {
const joinBy = asEnumerable([1, 2, 3]).joinByKey(asEnumerable([1, 2, 3]),
(x) => x,
(x) => x,
(x, y) => ( { x, y } ))
.toArray()
expect(joinBy.length).toBe(3)
expect(joinBy[0].x).toBe(1)
expect(joinBy[1].x).toBe(2)
expect(joinBy[2].x).toBe(3)
expect(joinBy[0].x).toBe(joinBy[0].y)
expect(joinBy[1].x).toBe(joinBy[1].y)
expect(joinBy[2].x).toBe(joinBy[2].y)
})
itAsync("basic", async () => {
const joinBy = await asAsync([1, 2, 3]).joinByKey(asAsync([1, 2, 3]),
(x) => x,
(x) => x,
(x, y) => ( { x, y } ))
.toArray()
expect(joinBy.length).toBe(3)
expect(joinBy[0].x).toBe(1)
expect(joinBy[1].x).toBe(2)
expect(joinBy[2].x).toBe(3)
expect(joinBy[0].x).toBe(joinBy[0].y)
expect(joinBy[1].x).toBe(joinBy[1].y)
expect(joinBy[2].x).toBe(joinBy[2].y)
})
itParallel("basic", async (asParallel) => {
const joinBy = await asParallel([1, 2, 3]).joinByKey(asAsync([1, 2, 3]),
(x) => x,
(x) => x,
(x, y) => ( { x, y } ))
.toArray()
expect(joinBy.length).toBe(3)
expect(joinBy[0].x).toBe(1)
expect(joinBy[1].x).toBe(2)
expect(joinBy[2].x).toBe(3)
expect(joinBy[0].x).toBe(joinBy[0].y)
expect(joinBy[1].x).toBe(joinBy[1].y)
expect(joinBy[2].x).toBe(joinBy[2].y)
})
// tslint:disable:triple-equals
itEnumerable<string | number>("With Comparer", (asEnumerable) => {
const joinBy = asEnumerable(["1", 2, 3]).joinByKey(asEnumerable([1, "2", 3]),
(x) => x,
(x) => x,
(x, y) => ( { x, y } ),
EqualityComparer)
.toArray()
expect(joinBy.length).toBe(3)
// expect(joinBy[0].x).toBe(1)
// expect(joinBy[1].x).toBe(2)
// expect(joinBy[2].x).toBe(3)
expect(joinBy[0].x == joinBy[0].y)
expect(joinBy[1].x == joinBy[1].y)
expect(joinBy[2].x == joinBy[2].y)
})
itAsync("With Comparer", async () => {
const joinBy = await asAsync([1, "2", 3]).joinByKey(asAsync([1, 2, "3"]),
(x) => x,
(x) => x,
(x, y) => ( { x, y } ),
EqualityComparer)
.toArray()
expect(joinBy.length).toBe(3)
// expect(joinBy[0].x).toBe(1)
// expect(joinBy[1].x).toBe(2)
// expect(joinBy[2].x).toBe(3)
expect(joinBy[0].x == joinBy[0].y)
expect(joinBy[1].x == joinBy[1].y)
expect(joinBy[2].x == joinBy[2].y)
})
itParallel<string | number>("With Comparer", async (asParallel) => {
const joinBy = await asParallel([1, "2", 3]).joinByKey(asAsync([1, 2, "3"]),
(x) => x,
(x) => x,
(x, y) => ( { x, y } ),
EqualityComparer)
.toArray()
expect(joinBy.length).toBe(3)
// expect(joinBy[0].x).toBe(1)
// expect(joinBy[1].x).toBe(2)
// expect(joinBy[2].x).toBe(3)
expect(joinBy[0].x == joinBy[0].y)
expect(joinBy[1].x == joinBy[1].y)
expect(joinBy[2].x == joinBy[2].y)
})
})