48 lines
1.4 KiB
TypeScript
48 lines
1.4 KiB
TypeScript
import { describe, expect, it } from 'vitest';
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import { RecordEngagementInputViewModel } from './RecordEngagementInputViewModel';
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describe('RecordEngagementInputViewModel', () => {
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it('maps basic fields from input data', () => {
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const vm = new RecordEngagementInputViewModel({
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eventType: 'button_click',
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userId: 'user-1',
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metadata: { key: 'value' },
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});
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expect(vm.eventType).toBe('button_click');
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expect(vm.userId).toBe('user-1');
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expect(vm.metadata).toEqual({ key: 'value' });
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});
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it('derives displayEventType from snake_case eventType', () => {
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const vm = new RecordEngagementInputViewModel({
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eventType: 'page_view',
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});
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expect(vm.displayEventType).toBe('Page View');
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});
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it('detects presence of metadata and counts keys', () => {
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const withMetadata = new RecordEngagementInputViewModel({
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eventType: 'test',
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metadata: { a: 1, b: 2 },
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});
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const withoutMetadata = new RecordEngagementInputViewModel({
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eventType: 'test',
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});
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const emptyMetadata = new RecordEngagementInputViewModel({
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eventType: 'test',
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metadata: {},
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});
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expect(withMetadata.hasMetadata).toBe(true);
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expect(withMetadata.metadataKeysCount).toBe(2);
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expect(withoutMetadata.hasMetadata).toBe(false);
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expect(withoutMetadata.metadataKeysCount).toBe(0);
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expect(emptyMetadata.hasMetadata).toBe(false);
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expect(emptyMetadata.metadataKeysCount).toBe(0);
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});
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});
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