mcp-rand
Version:
MCP server providing random generation utilities including UUID, numbers, strings, passwords, Gaussian distribution, dice rolling, and card drawing
61 lines • 2.34 kB
JavaScript
import { generateRandomNumberHandler } from '../generate-random-number.handler.js';
describe('generateRandomNumberHandler', () => {
it('should generate a random number within the specified range', async () => {
const request = {
method: 'tools/call',
params: {
name: 'generate_random_number',
arguments: {
min: 1,
max: 100
}
}
};
const result = await generateRandomNumberHandler(request);
const number = parseInt(result.content[0].text);
expect(number).toBeGreaterThanOrEqual(1);
expect(number).toBeLessThanOrEqual(100);
});
it('should generate different numbers on subsequent calls', async () => {
const request = {
method: 'tools/call',
params: {
name: 'generate_random_number',
arguments: {
min: 1,
max: 1000000 // Large range to minimize chance of random same numbers
}
}
};
const result1 = await generateRandomNumberHandler(request);
const result2 = await generateRandomNumberHandler(request);
expect(result1.content[0].text).not.toBe(result2.content[0].text);
});
it('should handle default values when no arguments provided', async () => {
const request = {
method: 'tools/call',
params: {
name: 'generate_random_number',
arguments: {}
}
};
const result = await generateRandomNumberHandler(request);
const number = parseInt(result.content[0].text);
expect(number).toBeGreaterThanOrEqual(0);
expect(number).toBeLessThanOrEqual(100);
});
it('should throw error if min is greater than max', async () => {
const request = {
method: 'tools/call',
params: {
name: 'generate_random_number',
arguments: {
min: 100,
max: 1
}
}
};
await expect(generateRandomNumberHandler(request)).rejects.toThrow('Min value cannot be greater than max value');
});
});
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