feature.spec.unit.ts•1.85 kB
import { createWorkItem } from './feature';
import { AzureDevOpsError } from '../../../shared/errors';
// Unit tests should only focus on isolated logic
// No real connections, HTTP requests, or dependencies
describe('createWorkItem unit', () => {
// Test for required title validation
test('should throw error when title is not provided', async () => {
// Arrange - mock connection, never used due to validation error
const mockConnection: any = {
getWorkItemTrackingApi: jest.fn(),
};
// Act & Assert
await expect(
createWorkItem(
mockConnection,
'TestProject',
'Task',
{ title: '' }, // Empty title
),
).rejects.toThrow('Title is required');
});
// Test for error propagation
test('should propagate custom errors when thrown internally', async () => {
// Arrange
const mockConnection: any = {
getWorkItemTrackingApi: jest.fn().mockImplementation(() => {
throw new AzureDevOpsError('Custom error');
}),
};
// Act & Assert
await expect(
createWorkItem(mockConnection, 'TestProject', 'Task', {
title: 'Test Task',
}),
).rejects.toThrow(AzureDevOpsError);
await expect(
createWorkItem(mockConnection, 'TestProject', 'Task', {
title: 'Test Task',
}),
).rejects.toThrow('Custom error');
});
test('should wrap unexpected errors in a friendly error message', async () => {
// Arrange
const mockConnection: any = {
getWorkItemTrackingApi: jest.fn().mockImplementation(() => {
throw new Error('Unexpected error');
}),
};
// Act & Assert
await expect(
createWorkItem(mockConnection, 'TestProject', 'Task', {
title: 'Test Task',
}),
).rejects.toThrow('Failed to create work item: Unexpected error');
});
});