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advanced-camera-card/tests/condition-trigger/triggers/triggers/expand.test.ts
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TypeScript

import { describe, expect, it, vi, type Mock } from 'vitest';
import { ConditionStateManager } from '../../../../src/condition-trigger/conditions/state-manager';
import { ExpandTrigger } from '../../../../src/condition-trigger/triggers/triggers/expand';
import type { TriggerOfType } from '../../../../src/condition-trigger/triggers/triggers/types';
import { createTriggerEvaluatorContext } from './test-utils';
describe('ExpandTrigger', () => {
const create = (
trigger: TriggerOfType<'expand'>,
): { stateManager: ConditionStateManager; callback: Mock } => {
const stateManager = new ConditionStateManager();
const callback = vi.fn();
new ExpandTrigger(
trigger,
createTriggerEvaluatorContext({ stateManager }),
).subscribe(callback);
return { stateManager, callback };
};
it('should trigger on any change without a value', () => {
const { stateManager, callback } = create({ trigger: 'expand' });
stateManager.setState({ expand: true });
stateManager.setState({ expand: false });
expect(callback).toHaveBeenCalledTimes(2);
});
it('should trigger only on changes to the given value', () => {
const { stateManager, callback } = create({ trigger: 'expand', expand: true });
stateManager.setState({ expand: true });
stateManager.setState({ expand: false });
expect(callback).toHaveBeenCalledTimes(1);
});
it('should trigger on the falling edge to a false value', () => {
const { stateManager, callback } = create({ trigger: 'expand', expand: false });
stateManager.setState({ expand: true });
expect(callback).not.toHaveBeenCalled();
stateManager.setState({ expand: false });
expect(callback).toHaveBeenCalledTimes(1);
});
});