MCP Color Server
by keyurgolani
response.test.ts•6.13 kB
/**
* Tests for response utility functions
*/
import {
createSuccessResponse,
createErrorResponse,
createValidationErrorResponse,
createInternalErrorResponse,
} from '../../src/utils/response';
describe('Response Utilities', () => {
describe('createSuccessResponse', () => {
it('should create basic success response', () => {
const response = createSuccessResponse(
'test_tool',
{ result: 'success' },
100
);
expect(response.success).toBe(true);
expect(response.data).toEqual({ result: 'success' });
expect(response.metadata.tool).toBe('test_tool');
expect(response.metadata.execution_time).toBe(100);
expect(response.metadata.timestamp).toBeDefined();
});
it('should include optional metadata', () => {
const response = createSuccessResponse(
'test_tool',
{ result: 'success' },
100,
{
colorSpaceUsed: 'sRGB',
accessibilityNotes: ['Note 1', 'Note 2'],
recommendations: ['Rec 1', 'Rec 2'],
}
);
expect(response.metadata.color_space_used).toBe('sRGB');
expect(response.metadata.accessibility_notes).toEqual([
'Note 1',
'Note 2',
]);
expect(response.metadata.recommendations).toEqual(['Rec 1', 'Rec 2']);
});
it('should include visualizations', () => {
const visualizations = {
html: '<html></html>',
png_base64: 'base64data',
svg: '<svg></svg>',
};
const response = createSuccessResponse('test_tool', {}, 100, {
visualizations,
});
expect(response.visualizations).toEqual(visualizations);
});
it('should include export formats', () => {
const exportFormats = {
css: '.color { color: red; }',
scss: '$color: red;',
tailwind: 'bg-red-500',
json: { color: 'red' },
};
const response = createSuccessResponse('test_tool', {}, 100, {
exportFormats,
});
expect(response.export_formats).toEqual(exportFormats);
});
});
describe('createErrorResponse', () => {
it('should create basic error response', () => {
const response = createErrorResponse(
'test_tool',
'TEST_ERROR',
'Test error message',
50
);
expect(response.success).toBe(false);
expect(response.error.code).toBe('TEST_ERROR');
expect(response.error.message).toBe('Test error message');
expect(response.metadata.tool).toBe('test_tool');
expect(response.metadata.execution_time).toBe(50);
expect(response.metadata.timestamp).toBeDefined();
});
it('should include optional error details', () => {
const response = createErrorResponse(
'test_tool',
'TEST_ERROR',
'Test error',
50,
{
details: { field: 'invalid' },
suggestions: ['Try this', 'Or that'],
}
);
expect(response.error.details).toEqual({ field: 'invalid' });
expect(response.error.suggestions).toEqual(['Try this', 'Or that']);
});
});
describe('createValidationErrorResponse', () => {
it('should create validation error response', () => {
const response = createValidationErrorResponse(
'test_tool',
'Invalid input',
25
);
expect(response.success).toBe(false);
expect(response.error.code).toBe('VALIDATION_ERROR');
expect(response.error.message).toBe('Invalid input');
expect(response.metadata.execution_time).toBe(25);
});
it('should include default suggestions', () => {
const response = createValidationErrorResponse(
'test_tool',
'Invalid input',
25
);
expect(response.error.suggestions).toContain(
'Check the input format and try again'
);
expect(response.error.suggestions).toContain(
'Refer to the tool documentation for valid parameter formats'
);
});
it('should use custom suggestions', () => {
const customSuggestions = ['Custom suggestion 1', 'Custom suggestion 2'];
const response = createValidationErrorResponse(
'test_tool',
'Invalid input',
25,
customSuggestions
);
expect(response.error.suggestions).toEqual(customSuggestions);
});
});
describe('createInternalErrorResponse', () => {
it('should create internal error response', () => {
const error = new Error('Internal error occurred');
const response = createInternalErrorResponse('test_tool', error, 75);
expect(response.success).toBe(false);
expect(response.error.code).toBe('INTERNAL_ERROR');
expect(response.error.message).toBe(
'An internal error occurred while processing the request'
);
expect(response.metadata.execution_time).toBe(75);
});
it('should include error details in development', () => {
const originalEnv = process.env['NODE_ENV'];
process.env['NODE_ENV'] = 'development';
const error = new Error('Internal error occurred');
const response = createInternalErrorResponse('test_tool', error, 75);
expect(response.error.details).toBe('Internal error occurred');
process.env['NODE_ENV'] = originalEnv;
});
it('should not include error details in production', () => {
const originalEnv = process.env['NODE_ENV'];
process.env['NODE_ENV'] = 'production';
const error = new Error('Internal error occurred');
const response = createInternalErrorResponse('test_tool', error, 75);
expect(response.error.details).toBeUndefined();
process.env['NODE_ENV'] = originalEnv;
});
it('should include default suggestions', () => {
const error = new Error('Internal error occurred');
const response = createInternalErrorResponse('test_tool', error, 75);
expect(response.error.suggestions).toContain('Please try again');
expect(response.error.suggestions).toContain(
'If the problem persists, check the server logs for more details'
);
});
});
});
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