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chore: add more tests
Signed-off-by: dhmlau <dhmlau@ca.ibm.com>
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‎examples/soap-calculator/src/__tests__/unit/controllers/calculator.controller.unit.ts‎

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// Copyright IBM Corp. and LoopBack contributors 2018,2026. All Rights Reserved.
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// Node module: @loopback/example-soap-calculator
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// This file is licensed under the MIT License.
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// License text available at https://opensource.org/licenses/MIT
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import {expect} from '@loopback/testlab';
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import {CalculatorController} from '../../../controllers/calculator.controller';
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import {
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AddResponse,
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CalculatorParameters,
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CalculatorService,
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DivideResponse,
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MultiplyResponse,
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SubtractResponse,
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} from '../../../services/calculator.service';
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describe('CalculatorController (unit)', () => {
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let controller: CalculatorController;
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let calculatorService: CalculatorService;
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beforeEach(givenController);
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describe('multiply', () => {
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it('calls the service with correct parameters', async () => {
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const result = await controller.multiply(5, 3);
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expect(result).to.deepEqual({result: {value: 15}});
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});
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it('handles zero multiplication', async () => {
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const result = await controller.multiply(0, 10);
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expect(result).to.deepEqual({result: {value: 0}});
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});
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it('handles negative numbers', async () => {
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const result = await controller.multiply(-5, 3);
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expect(result).to.deepEqual({result: {value: -15}});
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});
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it('handles large numbers', async () => {
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const result = await controller.multiply(1000, 1000);
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expect(result).to.deepEqual({result: {value: 1000000}});
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});
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});
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describe('add', () => {
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it('calls the service with correct parameters', async () => {
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const result = await controller.add(10, 5);
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expect(result).to.deepEqual({result: {value: 15}});
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});
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it('handles zero addition', async () => {
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const result = await controller.add(0, 0);
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expect(result).to.deepEqual({result: {value: 0}});
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});
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it('handles negative numbers', async () => {
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const result = await controller.add(-5, 3);
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expect(result).to.deepEqual({result: {value: -2}});
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});
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it('handles large numbers', async () => {
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const result = await controller.add(999999, 1);
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expect(result).to.deepEqual({result: {value: 1000000}});
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});
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});
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describe('subtract', () => {
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it('calls the service with correct parameters', async () => {
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const result = await controller.subtract(10, 5);
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expect(result).to.deepEqual({result: {value: 5}});
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});
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it('handles zero subtraction', async () => {
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const result = await controller.subtract(10, 0);
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expect(result).to.deepEqual({result: {value: 10}});
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});
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it('handles negative results', async () => {
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const result = await controller.subtract(5, 10);
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expect(result).to.deepEqual({result: {value: -5}});
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});
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it('handles negative numbers', async () => {
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const result = await controller.subtract(-5, -3);
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expect(result).to.deepEqual({result: {value: -2}});
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});
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});
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describe('divide', () => {
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it('calls the service with correct parameters', async () => {
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const result = await controller.divide(10, 2);
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expect(result).to.deepEqual({result: {value: 5}});
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});
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it('throws error when dividing by zero', async () => {
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await expect(controller.divide(10, 0)).to.be.rejectedWith(
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/Cannot divide by zero/,
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);
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});
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it('handles division resulting in decimal', async () => {
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const result = await controller.divide(10, 3);
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expect(result.result.value).to.be.approximately(3.33, 0.01);
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});
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it('handles negative numbers', async () => {
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const result = await controller.divide(-10, 2);
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expect(result).to.deepEqual({result: {value: -5}});
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});
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it('handles division by one', async () => {
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const result = await controller.divide(42, 1);
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expect(result).to.deepEqual({result: {value: 42}});
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});
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it('handles division of zero', async () => {
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const result = await controller.divide(0, 5);
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expect(result).to.deepEqual({result: {value: 0}});
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});
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});
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describe('edge cases', () => {
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it('multiply handles very small numbers', async () => {
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const result = await controller.multiply(1, 1);
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expect(result).to.deepEqual({result: {value: 1}});
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});
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it('add handles same numbers', async () => {
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const result = await controller.add(7, 7);
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expect(result).to.deepEqual({result: {value: 14}});
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});
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it('subtract results in zero', async () => {
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const result = await controller.subtract(5, 5);
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expect(result).to.deepEqual({result: {value: 0}});
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});
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it('divide handles equal numbers', async () => {
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const result = await controller.divide(8, 8);
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expect(result).to.deepEqual({result: {value: 1}});
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});
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});
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function givenController() {
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calculatorService = givenCalculatorService();
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controller = new CalculatorController(calculatorService);
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}
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function givenCalculatorService(): CalculatorService {
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return {
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async multiply(args: CalculatorParameters): Promise<MultiplyResponse> {
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return {result: {value: args.intA * args.intB}};
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},
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async add(args: CalculatorParameters): Promise<AddResponse> {
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return {result: {value: args.intA + args.intB}};
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},
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async subtract(args: CalculatorParameters): Promise<SubtractResponse> {
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return {result: {value: args.intA - args.intB}};
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},
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async divide(args: CalculatorParameters): Promise<DivideResponse> {
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return {result: {value: args.intA / args.intB}};
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},
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};
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}
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});
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// Made with Bob

‎examples/todo/src/__tests__/unit/models/todo.model.unit.ts‎

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// Copyright IBM Corp. and LoopBack contributors 2018,2026. All Rights Reserved.
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// Node module: @loopback/example-todo
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// This file is licensed under the MIT License.
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// License text available at https://opensource.org/licenses/MIT
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import {expect} from '@loopback/testlab';
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import {Todo} from '../../../models';
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describe('Todo (unit)', () => {
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describe('constructor', () => {
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it('creates an instance with no data', () => {
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const todo = new Todo();
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expect(todo).to.be.instanceOf(Todo);
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});
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it('creates an instance with partial data', () => {
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const todo = new Todo({
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title: 'Test Todo',
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});
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expect(todo.title).to.equal('Test Todo');
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expect(todo.id).to.be.undefined();
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expect(todo.desc).to.be.undefined();
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});
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it('creates an instance with complete data', () => {
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const data = {
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id: 1,
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title: 'Test Todo',
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desc: 'Test Description',
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isComplete: false,
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remindAtAddress: '123 Main St, City, 12345',
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remindAtGeo: '40.7128,-74.0060',
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tag: {priority: 'high'},
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};
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const todo = new Todo(data);
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expect(todo.id).to.equal(1);
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expect(todo.title).to.equal('Test Todo');
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expect(todo.desc).to.equal('Test Description');
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expect(todo.isComplete).to.be.false();
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expect(todo.remindAtAddress).to.equal('123 Main St, City, 12345');
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expect(todo.remindAtGeo).to.equal('40.7128,-74.0060');
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expect(todo.tag).to.deepEqual({priority: 'high'});
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});
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});
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describe('properties', () => {
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it('has optional id property', () => {
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const todo = new Todo({title: 'Test'});
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expect(todo).to.not.have.property('id');
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todo.id = 1;
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expect(todo.id).to.equal(1);
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});
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it('has required title property', () => {
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const todo = new Todo({title: 'Required Title'});
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expect(todo.title).to.equal('Required Title');
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});
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it('has optional desc property', () => {
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const todo = new Todo({title: 'Test'});
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expect(todo.desc).to.be.undefined();
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todo.desc = 'Description';
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expect(todo.desc).to.equal('Description');
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});
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it('has optional isComplete property', () => {
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const todo = new Todo({title: 'Test'});
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expect(todo.isComplete).to.be.undefined();
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todo.isComplete = true;
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expect(todo.isComplete).to.be.true();
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});
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it('has optional remindAtAddress property', () => {
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const todo = new Todo({title: 'Test'});
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expect(todo.remindAtAddress).to.be.undefined();
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todo.remindAtAddress = '123 Main St';
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expect(todo.remindAtAddress).to.equal('123 Main St');
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});
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it('has optional remindAtGeo property', () => {
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const todo = new Todo({title: 'Test'});
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expect(todo.remindAtGeo).to.be.undefined();
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todo.remindAtGeo = '40.7128,-74.0060';
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expect(todo.remindAtGeo).to.equal('40.7128,-74.0060');
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});
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it('has optional tag property of any type', () => {
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const todo = new Todo({title: 'Test'});
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expect(todo.tag).to.be.undefined();
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todo.tag = {priority: 'high', category: 'work'};
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expect(todo.tag).to.deepEqual({priority: 'high', category: 'work'});
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todo.tag = 'simple-tag';
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expect(todo.tag).to.equal('simple-tag');
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todo.tag = ['tag1', 'tag2'];
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expect(todo.tag).to.deepEqual(['tag1', 'tag2']);
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});
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});
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describe('data validation', () => {
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it('allows empty description', () => {
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const todo = new Todo({
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title: 'Test',
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desc: '',
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});
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expect(todo.desc).to.equal('');
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});
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it('allows false for isComplete', () => {
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const todo = new Todo({
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title: 'Test',
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isComplete: false,
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});
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expect(todo.isComplete).to.be.false();
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});
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it('allows true for isComplete', () => {
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const todo = new Todo({
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title: 'Test',
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isComplete: true,
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});
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expect(todo.isComplete).to.be.true();
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});
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it('handles complex tag objects', () => {
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const complexTag = {
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priority: 'high',
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labels: ['urgent', 'important'],
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metadata: {
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createdBy: 'user1',
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assignedTo: ['user2', 'user3'],
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},
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};
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const todo = new Todo({
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title: 'Test',
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tag: complexTag,
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});
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expect(todo.tag).to.deepEqual(complexTag);
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});
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});
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describe('edge cases', () => {
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it('handles very long titles', () => {
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const longTitle = 'A'.repeat(1000);
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const todo = new Todo({title: longTitle});
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expect(todo.title).to.equal(longTitle);
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expect(todo.title.length).to.equal(1000);
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});
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it('handles very long descriptions', () => {
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const longDesc = 'B'.repeat(5000);
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const todo = new Todo({
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title: 'Test',
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desc: longDesc,
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});
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expect(todo.desc).to.equal(longDesc);
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expect(todo.desc!.length).to.equal(5000);
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});
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it('handles special characters in title', () => {
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const specialTitle = 'Test @#$%^&*() 测试 🎉';
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const todo = new Todo({title: specialTitle});
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expect(todo.title).to.equal(specialTitle);
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});
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it('handles multiline descriptions', () => {
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const multilineDesc = 'Line 1\nLine 2\nLine 3';
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const todo = new Todo({
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title: 'Test',
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desc: multilineDesc,
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});
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expect(todo.desc).to.equal(multilineDesc);
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});
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it('handles null-like values gracefully', () => {
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const todo = new Todo({
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title: 'Test',
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desc: undefined,
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isComplete: undefined,
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});
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expect(todo.desc).to.be.undefined();
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expect(todo.isComplete).to.be.undefined();
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});
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});
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describe('model inheritance', () => {
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it('extends Entity class', () => {
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const todo = new Todo({title: 'Test'});
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expect(todo).to.have.property('toJSON');
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expect(todo).to.have.property('toObject');
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});
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it('can be serialized to JSON', () => {
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const todo = new Todo({
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id: 1,
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title: 'Test Todo',
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desc: 'Description',
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isComplete: false,
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});
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const json = todo.toJSON();
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expect(json).to.have.property('id', 1);
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expect(json).to.have.property('title', 'Test Todo');
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expect(json).to.have.property('desc', 'Description');
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expect(json).to.have.property('isComplete', false);
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});
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});
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});
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// Made with Bob

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