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341import { describe, expect, it } from 'vitest';
import { nextTick, ref } from 'vue';
import { useCollapse } from './use-collapse';
describe('useCollapse', () => {
it('should return expected methods and properties', () => {
const collapsed = ref(false);
const sizePercentage = ref(50);
const options = { transitionDuration: 300, collapsedSize: 0 };
const result = useCollapse(collapsed, sizePercentage, options);
expect(result).toHaveProperty('collapse');
expect(result).toHaveProperty('expand');
expect(result).toHaveProperty('toggle');
expect(result).toHaveProperty('collapseTransitionState');
expect(result).toHaveProperty('transitionDurationCss');
expect(typeof result.collapse).toBe('function');
expect(typeof result.expand).toBe('function');
expect(typeof result.toggle).toBe('function');
expect(result.collapseTransitionState.value).toBeNull();
expect(result.transitionDurationCss.value).toBe('300ms');
});
describe('collapse method', () => {
it('should set collapsed to true', () => {
const collapsed = ref(false);
const sizePercentage = ref(50);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { collapse } = useCollapse(collapsed, sizePercentage, options);
collapse();
expect(collapsed.value).toBe(true);
});
});
describe('expand method', () => {
it('should set collapsed to false', () => {
const collapsed = ref(true);
const sizePercentage = ref(0);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { expand } = useCollapse(collapsed, sizePercentage, options);
expand();
expect(collapsed.value).toBe(false);
});
});
describe('toggle method', () => {
it('should set collapsed to the provided value', () => {
const collapsed = ref(false);
const sizePercentage = ref(50);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { toggle } = useCollapse(collapsed, sizePercentage, options);
toggle(true);
expect(collapsed.value).toBe(true);
toggle(false);
expect(collapsed.value).toBe(false);
});
});
describe('collapsed watcher behavior', () => {
it('should store size and set to collapsedSize when collapsing', async () => {
const collapsed = ref(false);
const sizePercentage = ref(75);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { collapseTransitionState } = useCollapse(collapsed, sizePercentage, options);
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(0);
expect(collapseTransitionState.value).toBe('collapsing');
});
it('should restore size when expanding', async () => {
const collapsed = ref(false);
const sizePercentage = ref(60);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { collapseTransitionState } = useCollapse(collapsed, sizePercentage, options);
// First collapse to store the size
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(0);
// Then expand to restore
collapsed.value = false;
await nextTick();
expect(sizePercentage.value).toBe(60);
expect(collapseTransitionState.value).toBe('expanding');
});
it('should preserve original size through multiple collapse/expand cycles', async () => {
const collapsed = ref(false);
const sizePercentage = ref(42);
const options = { transitionDuration: 300, collapsedSize: 0 };
useCollapse(collapsed, sizePercentage, options);
// First cycle
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(0);
collapsed.value = false;
await nextTick();
expect(sizePercentage.value).toBe(42);
// Second cycle
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(0);
collapsed.value = false;
await nextTick();
expect(sizePercentage.value).toBe(42);
});
it('should handle size changes between collapse cycles', async () => {
const collapsed = ref(false);
const sizePercentage = ref(30);
const options = { transitionDuration: 300, collapsedSize: 0 };
useCollapse(collapsed, sizePercentage, options);
// First collapse
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(0);
// Expand and change size
collapsed.value = false;
await nextTick();
expect(sizePercentage.value).toBe(30);
// Manually change size while expanded
sizePercentage.value = 80;
// Collapse again - should store new size
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(0);
// Expand - should restore new size
collapsed.value = false;
await nextTick();
expect(sizePercentage.value).toBe(80);
});
});
describe('transition state management', () => {
it('should start with null transition state', () => {
const collapsed = ref(false);
const sizePercentage = ref(50);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { collapseTransitionState } = useCollapse(collapsed, sizePercentage, options);
expect(collapseTransitionState.value).toBeNull();
});
it('should set collapsing state when collapsed becomes true', async () => {
const collapsed = ref(false);
const sizePercentage = ref(50);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { collapseTransitionState } = useCollapse(collapsed, sizePercentage, options);
collapsed.value = true;
await nextTick();
expect(collapseTransitionState.value).toBe('collapsing');
});
it('should set expanding state when collapsed becomes false', async () => {
const collapsed = ref(true);
const sizePercentage = ref(0);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { collapseTransitionState } = useCollapse(collapsed, sizePercentage, options);
collapsed.value = false;
await nextTick();
expect(collapseTransitionState.value).toBe('expanding');
});
});
describe('transitionDurationCss', () => {
it('should return CSS transition duration', () => {
const collapsed = ref(false);
const sizePercentage = ref(50);
const options = { transitionDuration: 500, collapsedSize: 0 };
const { transitionDurationCss } = useCollapse(collapsed, sizePercentage, options);
expect(transitionDurationCss.value).toBe('500ms');
});
it('should be reactive to transition duration changes', () => {
const collapsed = ref(false);
const sizePercentage = ref(50);
const transitionDuration = ref(300);
const options = { transitionDuration, collapsedSize: 0 };
const { transitionDurationCss } = useCollapse(collapsed, sizePercentage, options);
expect(transitionDurationCss.value).toBe('300ms');
transitionDuration.value = 600;
expect(transitionDurationCss.value).toBe('600ms');
});
});
describe('integration scenarios', () => {
it('should handle rapid collapse/expand operations', async () => {
const collapsed = ref(false);
const sizePercentage = ref(65);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { collapseTransitionState } = useCollapse(collapsed, sizePercentage, options);
// Rapid collapse
collapsed.value = true;
await nextTick();
expect(collapseTransitionState.value).toBe('collapsing');
expect(sizePercentage.value).toBe(0);
// Immediate expand before transition ends
collapsed.value = false;
await nextTick();
expect(collapseTransitionState.value).toBe('expanding');
expect(sizePercentage.value).toBe(65);
});
it('should work with methods triggering state changes', async () => {
const collapsed = ref(false);
const sizePercentage = ref(45);
const options = { transitionDuration: 300, collapsedSize: 0 };
const { collapse, expand, toggle, collapseTransitionState } = useCollapse(collapsed, sizePercentage, options);
// Use collapse method
collapse();
await nextTick();
expect(collapsed.value).toBe(true);
expect(sizePercentage.value).toBe(0);
expect(collapseTransitionState.value).toBe('collapsing');
// Use expand method
expand();
await nextTick();
expect(collapsed.value).toBe(false);
expect(sizePercentage.value).toBe(45);
expect(collapseTransitionState.value).toBe('expanding');
// Use toggle method
toggle(true);
await nextTick();
expect(collapsed.value).toBe(true);
expect(sizePercentage.value).toBe(0);
expect(collapseTransitionState.value).toBe('collapsing');
});
it('should work with zero initial size', async () => {
const collapsed = ref(false);
const sizePercentage = ref(0);
const options = { transitionDuration: 300, collapsedSize: 0 };
useCollapse(collapsed, sizePercentage, options);
// Collapse when already at 0
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(0);
// Expand - should restore to 0
collapsed.value = false;
await nextTick();
expect(sizePercentage.value).toBe(0);
});
it('should use custom collapsedSize value', async () => {
const collapsed = ref(false);
const sizePercentage = ref(60);
const options = { transitionDuration: 300, collapsedSize: 10 };
const { collapseTransitionState } = useCollapse(collapsed, sizePercentage, options);
// Collapse to custom size
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(10);
expect(collapseTransitionState.value).toBe('collapsing');
// Expand should restore original size
collapsed.value = false;
await nextTick();
expect(sizePercentage.value).toBe(60);
expect(collapseTransitionState.value).toBe('expanding');
});
it('should support reactive collapsedSize value', async () => {
const collapsed = ref(false);
const sizePercentage = ref(70);
const collapsedSize = ref(5);
const options = { transitionDuration: 300, collapsedSize };
useCollapse(collapsed, sizePercentage, options);
// Collapse with initial collapsedSize
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(5);
// Change collapsedSize while collapsed
collapsedSize.value = 15;
// Expand and collapse again with new collapsedSize
collapsed.value = false;
await nextTick();
expect(sizePercentage.value).toBe(70);
collapsed.value = true;
await nextTick();
expect(sizePercentage.value).toBe(15);
});
});
});