import { describe, it, expect } from '@jest/globals';
import {
formatSuccess,
formatError,
formatWarning,
formatInfo,
formatBytes,
formatStorageSize,
formatPercentage,
formatCPU,
formatJson,
truncate,
formatList,
formatBulletList,
formatResourceStatus,
formatKeyValue,
formatTable,
formatSimpleTable
} from '../src/formatters.js';
describe('Formatters', () => {
describe('Message formatters', () => {
it('should format success message', () => {
expect(formatSuccess('Operation completed')).toBe('✅ Operation completed');
});
it('should format error message', () => {
expect(formatError('Something went wrong')).toBe('❌ Error: Something went wrong');
});
it('should format warning message', () => {
expect(formatWarning('Be careful')).toBe('⚠️ Warning: Be careful');
});
it('should format info message', () => {
expect(formatInfo('FYI')).toBe('ℹ️ FYI');
});
});
describe('Size formatters', () => {
it('should format bytes', () => {
expect(formatBytes(0)).toBe('0 B');
expect(formatBytes(1024)).toBe('1 KB');
expect(formatBytes(1048576)).toBe('1 MB');
expect(formatBytes(1073741824)).toBe('1 GB');
});
it('should format storage size for Kubernetes', () => {
expect(formatStorageSize(0)).toBe('0 B');
expect(formatStorageSize(1024)).toBe('1Ki');
expect(formatStorageSize(1048576)).toBe('1Mi');
expect(formatStorageSize(1073741824)).toBe('1Gi');
});
});
describe('Number formatters', () => {
it('should format percentage', () => {
expect(formatPercentage(25, 100)).toBe('25.00%');
expect(formatPercentage(0, 0)).toBe('0%');
expect(formatPercentage(1, 3, 1)).toBe('33.3%');
});
it('should format CPU usage', () => {
expect(formatCPU(0.5)).toBe('50.00%');
expect(formatCPU(1)).toBe('100.00%');
expect(formatCPU(0.123)).toBe('12.30%');
});
});
describe('Text formatters', () => {
it('should format JSON', () => {
const obj = { a: 1, b: 'test' };
expect(formatJson(obj)).toBe('{\n "a": 1,\n "b": "test"\n}');
});
it('should truncate text', () => {
expect(truncate('short', 10)).toBe('short');
expect(truncate('this is a long text', 10)).toBe('this is...');
});
it('should format list', () => {
expect(formatList(['a', 'b', 'c'])).toBe('a, b, c');
expect(formatList(['a', '', 'c'])).toBe('a, c');
expect(formatList(['x', 'y'], ' | ')).toBe('x | y');
});
it('should format bullet list', () => {
expect(formatBulletList(['item1', 'item2'])).toBe('• item1\n• item2');
});
});
describe('Resource formatters', () => {
it('should format resource status', () => {
expect(formatResourceStatus('running')).toBe('🟢 Running');
expect(formatResourceStatus('stopped')).toBe('🔴 Stopped');
expect(formatResourceStatus('UNKNOWN_STATUS')).toBe('❔ UNKNOWN_STATUS');
});
it('should format key-value pairs', () => {
expect(formatKeyValue('name', 'test')).toBe('name: test');
expect(formatKeyValue('enabled', true)).toBe('enabled: True');
expect(formatKeyValue('value', null)).toBe('value: <none>');
});
});
describe('Table formatters', () => {
it('should format table from array of objects', () => {
const data = [
{ name: 'John', age: 30 },
{ name: 'Jane', age: 25 }
];
const result = formatTable(data);
expect(result).toContain('name | age');
expect(result).toContain('John | 30');
expect(result).toContain('Jane | 25');
});
it('should handle empty table', () => {
expect(formatTable([])).toBe('No data');
});
it('should format simple key-value table', () => {
const data = { name: 'test', value: 123 };
const result = formatSimpleTable(data);
expect(result).toContain('name : test');
expect(result).toContain('value : 123');
});
});
});
