Kit Langton
56 lines
1.6 KiB
TypeScript
56 lines
1.6 KiB
TypeScript
import { expect, jest, test } from "bun:test"
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import { createRoot, createSignal } from "solid-js"
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import { createDelayedPresence } from "../../src/util/delayed-presence"
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test("shows only after the same value remains present for the delay", async () => {
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jest.useFakeTimers()
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const scope = createRoot((dispose) => {
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const [value, setValue] = createSignal<string>()
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return { dispose, setValue, visible: createDelayedPresence(value, 1_000) }
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})
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try {
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scope.setValue("first")
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await Promise.resolve()
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jest.advanceTimersByTime(500)
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expect(scope.visible()).toBe(false)
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scope.setValue("second")
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await Promise.resolve()
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jest.advanceTimersByTime(999)
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expect(scope.visible()).toBe(false)
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jest.advanceTimersByTime(1)
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expect(scope.visible()).toBe(true)
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} finally {
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scope.dispose()
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jest.useRealTimers()
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}
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})
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test("cancels the delay when the value disappears or the owner is disposed", async () => {
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jest.useFakeTimers()
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const scope = createRoot((dispose) => {
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const [value, setValue] = createSignal<string>()
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return { dispose, setValue, visible: createDelayedPresence(value, 1_000) }
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})
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try {
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scope.setValue("running")
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await Promise.resolve()
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jest.advanceTimersByTime(500)
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scope.setValue(undefined)
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await Promise.resolve()
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jest.advanceTimersByTime(1_000)
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expect(scope.visible()).toBe(false)
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scope.setValue("running")
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await Promise.resolve()
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scope.dispose()
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jest.advanceTimersByTime(1_000)
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expect(scope.visible()).toBe(false)
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} finally {
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scope.dispose()
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jest.useRealTimers()
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}
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})
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