@furystack/rest-service/esm/schema-validator/schema-validator.test.js

Repository implementation for FuryStack

import { SchemaValidator } from './schema-validator.js';
import { exampleSchema } from './validate-examples.js';
import { SchemaValidationError } from './schema-validation-error.js';
import { describe, it, expect } from 'vitest';
describe('ValidateSchema', () => {
    describe('String Literal checks', () => {
        it('Should pass on valid string literal parameters', () => {
            expect(new SchemaValidator(exampleSchema).isValid('en', { schemaName: 'Language' })).toBeTruthy();
        });
        it('Should throw a ValidationError on Age parameters', () => {
            try {
                const result = new SchemaValidator(exampleSchema).isValid('foo', { schemaName: 'Language' });
                expect(result).toBeFalsy(); // should not hit
            }
            catch (error) {
                expect(error).toBeInstanceOf(SchemaValidationError);
                const { errors } = error;
                expect(errors).toHaveLength(1);
                expect(errors[0].message).toEqual('must be equal to one of the allowed values');
            }
        });
    });
    describe('Object checks', () => {
        it('Should fail when string is passed instead of object', () => {
            try {
                new SchemaValidator(exampleSchema).isValid('foo', { schemaName: 'BodyParameters' });
            }
            catch (error) {
                expect(error).toBeInstanceOf(SchemaValidationError);
                const { errors } = error;
                expect(errors).toHaveLength(1);
                expect(errors[0].message).toEqual('must be object');
            }
        });
        it('Should fail when an additional property is present', () => {
            try {
                new SchemaValidator(exampleSchema).isValid({ age: '3', foo: 2 }, { schemaName: 'BodyParameters' });
            }
            catch (error) {
                expect(error).toBeInstanceOf(SchemaValidationError);
                const { errors } = error;
                expect(errors).toHaveLength(1);
                expect(errors[0].message).toEqual('must NOT have additional properties');
            }
        });
        it('Should pass with empty objects', () => {
            expect(new SchemaValidator(exampleSchema).isValid({}, { schemaName: 'BodyParameters' })).toBeTruthy();
        });
        it('Should pass with valid partial objects', () => {
            expect(new SchemaValidator(exampleSchema).isValid({ age: '3' }, { schemaName: 'BodyParameters' })).toBeTruthy();
        });
    });
    describe('Multiple checks per validator instance', () => {
        it('Should pass with multiple types from schema per validator instance', () => {
            const validator = new SchemaValidator(exampleSchema);
            expect(validator.isValid('en', { schemaName: 'Language' })).toBeTruthy();
            expect(new SchemaValidator(exampleSchema).isValid({}, { schemaName: 'BodyParameters' })).toBeTruthy();
        });
    });
});
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