node-switchbot/dist/parameter-checker.test.js

The node-switchbot is a Node.js module which allows you to control your Switchbot Devices through Bluetooth (BLE).

import { describe, expect, it } from 'vitest';
import { ParameterChecker } from './parameter-checker.js';
describe('parameterChecker', () => {
    it('should pass with empty rules and no required object', async () => {
        const checker = new ParameterChecker();
        const result = await checker.check({}, {}, false);
        expect(result).toBe(true);
        expect(checker.error).toBeNull();
    });
    it('should fail when required object is missing', async () => {
        const checker = new ParameterChecker();
        const result = await checker.check(undefined, {}, true);
        expect(result).toBe(false);
        expect(checker.error?.code).toBe('MISSING_REQUIRED');
    });
    it('should fail when required field is missing', async () => {
        const checker = new ParameterChecker();
        const rules = {
            name: { type: 'string', required: true },
        };
        const result = await checker.check({}, rules);
        expect(result).toBe(false);
        expect(checker.error?.code).toBe('MISSING_REQUIRED');
    });
    it('should fail on type mismatch for integer', async () => {
        const checker = new ParameterChecker();
        const rules = {
            age: { type: 'integer', required: true },
        };
        const result = await checker.check({ age: 25.5 }, rules);
        expect(result).toBe(false);
        expect(checker.error?.code).toBe('TYPE_INVALID');
    });
    it('should enforce float min and max', async () => {
        const checker = new ParameterChecker();
        const rules = {
            temperature: { type: 'float', min: 0, max: 100 },
        };
        let result = await checker.check({ temperature: -5 }, rules);
        expect(result).toBe(false);
        expect(checker.error?.code).toBe('VALUE_UNDERFLOW');
        result = await checker.check({ temperature: 150 }, rules);
        expect(result).toBe(false);
        expect(checker.error?.code).toBe('VALUE_OVERFLOW');
    });
    it('should ignore extra parameters', async () => {
        const checker = new ParameterChecker();
        const rules = {
            id: { type: 'integer' },
        };
        const result = await checker.check({ id: 1, extra: 'ignored' }, rules);
        expect(result).toBe(true);
        expect(checker.error).toBeNull();
    });
});
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