/**
* YAML Parser Tests
*/
import { describe, it, expect, beforeEach } from 'vitest';
import { YamlParser } from '../../../../src/infrastructure/parsers/YamlParser.js';
describe('YamlParser', () => {
let parser: YamlParser;
beforeEach(() => {
parser = new YamlParser();
});
describe('parse', () => {
it('should parse simple YAML', async () => {
const yaml = `
theme: dark
logLevel: info
developmentEnabled: true
`;
const result = await parser.parse(yaml);
expect(result).toEqual({
theme: 'dark',
logLevel: 'info',
developmentEnabled: true
});
});
it('should parse nested YAML', async () => {
const yaml = `
ui:
theme: dark
animations: true
server:
port: 3000
`;
const result = await parser.parse(yaml);
expect(result).toEqual({
ui: {
theme: 'dark',
animations: true
},
server: {
port: 3000
}
});
});
it('should parse arrays', async () => {
const yaml = `
fileExtensions:
- .txt
- .md
- .pdf
`;
const result = await parser.parse(yaml);
expect(result.fileExtensions).toEqual(['.txt', '.md', '.pdf']);
});
it('should handle empty YAML', async () => {
const result = await parser.parse('');
expect(result).toEqual({});
});
it('should throw on invalid YAML', async () => {
const invalidYaml = `
theme: dark
invalid: indentation
`;
await expect(parser.parse(invalidYaml)).rejects.toThrow('Failed to parse YAML');
});
});
describe('stringify', () => {
it('should stringify simple objects', async () => {
const data = {
theme: 'dark',
logLevel: 'info',
developmentEnabled: true
};
const result = await parser.stringify(data);
expect(result).toContain('theme: dark');
expect(result).toContain('logLevel: info');
expect(result).toContain('developmentEnabled: true');
});
it('should stringify nested objects', async () => {
const data = {
ui: {
theme: 'dark',
animations: true
}
};
const result = await parser.stringify(data);
expect(result).toContain('ui:');
expect(result).toContain('theme: dark');
expect(result).toContain('animations: true');
});
it('should stringify arrays', async () => {
const data = {
fileExtensions: ['.txt', '.md', '.pdf']
};
const result = await parser.stringify(data);
expect(result).toContain('fileExtensions:');
expect(result).toContain('- .txt');
expect(result).toContain('- .md');
expect(result).toContain('- .pdf');
});
it('should sort keys for consistent output', async () => {
const data = {
zed: 'last',
alpha: 'first',
beta: 'middle'
};
const result = await parser.stringify(data);
const lines = result.split('\n').filter(line => line.trim());
expect(lines[0]).toContain('alpha');
expect(lines[1]).toContain('beta');
expect(lines[2]).toContain('zed');
});
});
});
