WP Navigator MCP

/** * Terminal Detection Tests * * @package WP_Navigator_Pro * @since 2.5.0 */ import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'; import { DEFAULT_WIDTH, DEFAULT_HEIGHT, MIN_PAGE_WIDTH, MIN_PAGE_HEIGHT, getTerminalSize, isDumbTerminal, supportsAnsi, getCapabilities, isSmallTerminal, supportsPageTUI, getContentArea, truncateToWidth, wrapText, } from './terminal.js'; describe('Terminal detection', () => { describe('constants', () => { it('should define DEFAULT_WIDTH as 80', () => { expect(DEFAULT_WIDTH).toBe(80); }); it('should define DEFAULT_HEIGHT as 24', () => { expect(DEFAULT_HEIGHT).toBe(24); }); it('should define MIN_PAGE_WIDTH as 40', () => { expect(MIN_PAGE_WIDTH).toBe(40); }); it('should define MIN_PAGE_HEIGHT as 10', () => { expect(MIN_PAGE_HEIGHT).toBe(10); }); }); describe('getTerminalSize', () => { const originalIsTTY = process.stdout.isTTY; const originalColumns = process.stdout.columns; const originalRows = process.stdout.rows; afterEach(() => { // Restore original values Object.defineProperty(process.stdout, 'isTTY', { value: originalIsTTY, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: originalColumns, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: originalRows, writable: true }); }); it('should return actual dimensions when TTY', () => { Object.defineProperty(process.stdout, 'isTTY', { value: true, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: 120, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: 40, writable: true }); const size = getTerminalSize(); expect(size.width).toBe(120); expect(size.height).toBe(40); }); it('should return defaults when not TTY', () => { Object.defineProperty(process.stdout, 'isTTY', { value: false, writable: true }); const size = getTerminalSize(); expect(size.width).toBe(DEFAULT_WIDTH); expect(size.height).toBe(DEFAULT_HEIGHT); }); it('should return defaults when isTTY is undefined', () => { Object.defineProperty(process.stdout, 'isTTY', { value: undefined, writable: true }); const size = getTerminalSize(); expect(size.width).toBe(DEFAULT_WIDTH); expect(size.height).toBe(DEFAULT_HEIGHT); }); }); describe('isDumbTerminal', () => { const originalTerm = process.env.TERM; afterEach(() => { if (originalTerm === undefined) { delete process.env.TERM; } else { process.env.TERM = originalTerm; } }); it('should return true for TERM=dumb', () => { process.env.TERM = 'dumb'; expect(isDumbTerminal()).toBe(true); }); it('should return true for TERM=DUMB (case insensitive)', () => { process.env.TERM = 'DUMB'; expect(isDumbTerminal()).toBe(true); }); it('should return true for empty TERM', () => { process.env.TERM = ''; expect(isDumbTerminal()).toBe(true); }); it('should return true for undefined TERM', () => { delete process.env.TERM; expect(isDumbTerminal()).toBe(true); }); it('should return false for xterm', () => { process.env.TERM = 'xterm'; expect(isDumbTerminal()).toBe(false); }); it('should return false for xterm-256color', () => { process.env.TERM = 'xterm-256color'; expect(isDumbTerminal()).toBe(false); }); }); describe('getCapabilities', () => { it('should return all capability flags', () => { const caps = getCapabilities(); expect(caps).toHaveProperty('isTTY'); expect(caps).toHaveProperty('isDumb'); expect(caps).toHaveProperty('supportsAnsi'); expect(caps).toHaveProperty('supportsColor'); expect(caps).toHaveProperty('supportsHyperlinks'); expect(typeof caps.isTTY).toBe('boolean'); expect(typeof caps.isDumb).toBe('boolean'); expect(typeof caps.supportsAnsi).toBe('boolean'); expect(typeof caps.supportsColor).toBe('boolean'); expect(typeof caps.supportsHyperlinks).toBe('boolean'); }); }); describe('isSmallTerminal', () => { const originalIsTTY = process.stdout.isTTY; const originalColumns = process.stdout.columns; const originalRows = process.stdout.rows; afterEach(() => { Object.defineProperty(process.stdout, 'isTTY', { value: originalIsTTY, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: originalColumns, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: originalRows, writable: true }); }); it('should return true when width is too small', () => { Object.defineProperty(process.stdout, 'isTTY', { value: true, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: 30, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: 24, writable: true }); expect(isSmallTerminal()).toBe(true); }); it('should return true when height is too small', () => { Object.defineProperty(process.stdout, 'isTTY', { value: true, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: 80, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: 8, writable: true }); expect(isSmallTerminal()).toBe(true); }); it('should return false when terminal is large enough', () => { Object.defineProperty(process.stdout, 'isTTY', { value: true, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: 80, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: 24, writable: true }); expect(isSmallTerminal()).toBe(false); }); it('should accept custom minimum dimensions', () => { Object.defineProperty(process.stdout, 'isTTY', { value: true, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: 50, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: 15, writable: true }); expect(isSmallTerminal(60, 20)).toBe(true); expect(isSmallTerminal(40, 10)).toBe(false); }); }); describe('getContentArea', () => { const originalIsTTY = process.stdout.isTTY; const originalColumns = process.stdout.columns; const originalRows = process.stdout.rows; afterEach(() => { Object.defineProperty(process.stdout, 'isTTY', { value: originalIsTTY, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: originalColumns, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: originalRows, writable: true }); }); it('should calculate content area with default header/footer', () => { Object.defineProperty(process.stdout, 'isTTY', { value: true, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: 80, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: 24, writable: true }); const area = getContentArea(); expect(area.width).toBe(80); expect(area.height).toBe(24 - 3 - 2); // height - header(3) - footer(2) expect(area.startRow).toBe(4); // header(3) + 1 }); it('should calculate content area with custom header/footer', () => { Object.defineProperty(process.stdout, 'isTTY', { value: true, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: 100, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: 30, writable: true }); const area = getContentArea(5, 3); expect(area.width).toBe(100); expect(area.height).toBe(30 - 5 - 3); // height - header(5) - footer(3) expect(area.startRow).toBe(6); // header(5) + 1 }); it('should ensure minimum height of 1', () => { Object.defineProperty(process.stdout, 'isTTY', { value: true, writable: true }); Object.defineProperty(process.stdout, 'columns', { value: 80, writable: true }); Object.defineProperty(process.stdout, 'rows', { value: 5, writable: true }); const area = getContentArea(3, 2); expect(area.height).toBe(1); }); }); describe('truncateToWidth', () => { it('should not truncate short text', () => { expect(truncateToWidth('Hello', 10)).toBe('Hello'); }); it('should truncate long text with ellipsis', () => { expect(truncateToWidth('Hello World!', 8)).toBe('Hello...'); }); it('should use custom ellipsis', () => { expect(truncateToWidth('Hello World!', 10, '…')).toBe('Hello Wor…'); }); it('should handle exact length', () => { expect(truncateToWidth('Hello', 5)).toBe('Hello'); }); }); describe('wrapText', () => { it('should not wrap short text', () => { const lines = wrapText('Hello', 20); expect(lines).toEqual(['Hello']); }); it('should wrap text at word boundaries', () => { const lines = wrapText('Hello World Test', 10); expect(lines).toEqual(['Hello', 'World Test']); }); it('should handle long words by breaking them', () => { const lines = wrapText('Supercalifragilisticexpialidocious', 10); expect(lines.length).toBeGreaterThan(1); expect(lines[0].length).toBeLessThanOrEqual(10); }); it('should handle multiple lines', () => { const lines = wrapText('This is a longer text that should wrap across multiple lines', 15); expect(lines.length).toBeGreaterThan(1); lines.forEach((line) => { expect(line.length).toBeLessThanOrEqual(15); }); }); it('should handle empty string', () => { const lines = wrapText('', 10); expect(lines).toEqual([]); }); }); });