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https://gitee.com/ByteDance/flowgram.ai.git
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cbefaa54fb
* chore: add license-header * chore: add precommit * chore: add license header * fix: only js & shell style
64 lines
1.7 KiB
TypeScript
64 lines
1.7 KiB
TypeScript
/**
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* Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
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* SPDX-License-Identifier: MIT
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*/
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import { describe, it, expect } from 'vitest';
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import { ReactiveBaseState, Tracker } from '../src';
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describe('reactive-base-state', () => {
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it('base', () => {
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const state = new ReactiveBaseState(0);
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let autorunTimes = -1;
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const compute = Tracker.autorun<number>(() => {
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autorunTimes++;
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return autorunTimes <= 2 ? state.value : -1;
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});
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expect(state.hasDependents()).toEqual(true);
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expect(autorunTimes).toEqual(0);
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expect(compute.result).toEqual(0);
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state.value = 1;
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expect(compute.result).toEqual(0);
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expect(autorunTimes).toEqual(0);
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Tracker.flush();
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expect(compute.result).toEqual(1);
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expect(autorunTimes).toEqual(1);
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Tracker.flush();
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// Still 1!
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expect(compute.result).toEqual(1);
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expect(autorunTimes).toEqual(1);
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state.value = 1;
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Tracker.flush();
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expect(compute.result).toEqual(1);
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expect(autorunTimes).toEqual(1);
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state.value = 2;
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Tracker.flush();
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expect(compute.result).toEqual(2);
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expect(autorunTimes).toEqual(2);
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state.value = 3;
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Tracker.flush();
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expect(compute.result).toEqual(-1);
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expect(autorunTimes).toEqual(3);
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state.value = 4;
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Tracker.flush();
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// Still 1!
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expect(compute.result).toEqual(-1);
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expect(autorunTimes).toEqual(3);
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});
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it('custom isEqual', () => {
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const state = new ReactiveBaseState(0, {
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isEqual: () => false,
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});
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let autorunTimes = 0;
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Tracker.autorun<number>(() => {
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autorunTimes++;
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return state.value;
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});
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// isEqual 不再判断是否相等, 所以会触发刷新
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state.value = 0;
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Tracker.flush();
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expect(autorunTimes).toEqual(2);
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});
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});
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