ktx/packages/cli/src/prompt-navigation.test.ts

import { describe, expect, it } from 'vitest';
import { withMenuOptionSpacing, withMultiselectNavigation, withTextInputNavigation } from './prompt-navigation.js';

describe('prompt navigation helpers', () => {
  it('leaves compact single-line menu prompts unchanged', () => {
    expect(withMenuOptionSpacing('What do you want to do?')).toBe('What do you want to do?');
  });

  it('adds a blank separator between multiline menu copy and the option list', () => {
    expect(withMenuOptionSpacing('Which embedding option should KTX use?\n\nKTX uses embeddings for search.')).toBe(
      'Which embedding option should KTX use?\n\nKTX uses embeddings for search.\n',
    );
  });

  it('does not duplicate an existing option-list separator', () => {
    expect(withMenuOptionSpacing('Question\n\nContext\n')).toBe('Question\n\nContext\n');
  });

  it('keeps multiselect navigation copy multiline so menu renderers can separate it from options', () => {
    expect(withMultiselectNavigation('Which sources?')).toBe(
      'Which sources?\nUse Up/Down to move, Space to select or unselect, Enter to confirm, Escape to go back, or Ctrl+C to exit.',
    );
  });

  it('adds a blank separator between text input helper copy and the editable value', () => {
    expect(
      withTextInputNavigation(
        'Name this PostgreSQL connection\nKTX will use this short name in commands and config. You can rename it now.',
      ),
    ).toBe(
      'Name this PostgreSQL connection\n\nKTX will use this short name in commands and config. You can rename it now.\nPress Escape to go back.\n',
    );
  });

  it('adds a blank separator before compact text input values', () => {
    expect(withTextInputNavigation('Project folder path')).toBe('Project folder path\nPress Escape to go back.\n');
  });

  it('normalizes already hinted text input prompts without duplicating the hint', () => {
    expect(
      withTextInputNavigation(
        'Name this PostgreSQL connection\nKTX will use this short name in commands and config. You can rename it now.\nPress Escape to go back.',
      ),
    ).toBe(
      'Name this PostgreSQL connection\n\nKTX will use this short name in commands and config. You can rename it now.\nPress Escape to go back.\n',
    );
  });
});