lonc/tests/api/labels.test.js

import { beforeEach, describe, expect, it, vi } from 'vitest';

const apiRequestMock = vi.fn();

vi.mock('../../src/api/client.js', () => ({
  getPath(key) {
    const paths = {
      items: 'kitchen/items',
    };
    return paths[key];
  },
  apiRequest: (...args) => apiRequestMock(...args),
}));

const {
  formatPrintErrorMessage,
  getItemLabel,
  previewLabel,
} = await import('../../src/api/labels.js');

describe('api/labels', () => {
  beforeEach(() => {
    apiRequestMock.mockReset();
  });

  it('previewLabel uses boolean label/preview query flags', async () => {
    apiRequestMock.mockResolvedValueOnce({
      label: 'YWJj',
    });

    const response = await previewLabel({ config: { database: 'db' } }, { name: 'Rice' });

    expect(apiRequestMock).toHaveBeenCalledWith(
      { config: { database: 'db' } },
      'kitchen/items',
      {
        method: 'POST',
        body: { name: 'Rice' },
        accept: 'image/svg+xml, image/png, application/json',
        query: { label: true, preview: true },
      },
    );
    expect(response).toEqual({
      objectUrl: 'data:image/png;base64,YWJj',
      contentType: 'image/png',
    });
  });

  it('getItemLabel fetches PNG from /label endpoint', async () => {
    apiRequestMock.mockResolvedValueOnce({
      label: 'YWJj',
    });

    const response = await getItemLabel({ config: { database: 'db' } }, 'item-1');

    expect(apiRequestMock).toHaveBeenCalledWith(
      { config: { database: 'db' } },
      'kitchen/items/item-1/label',
      {
        method: 'GET',
        accept: 'image/png, application/json',
      },
    );
    expect(response).toEqual({
      objectUrl: 'data:image/png;base64,YWJj',
      contentType: 'image/png',
    });
  });
});

describe('api/labels formatPrintErrorMessage', () => {
  it('maps printer_unavailable payload to user-friendly message', () => {
    const message = formatPrintErrorMessage({
      status: 503,
      payload: {
        code: 'printer_unavailable',
        message: 'Backend says unavailable',
        details: { printer: 'Office Zebra' },
      },
    });

    expect(message).toBe('Printer is unavailable. (printer: Office Zebra)');
  });

  it('falls back to generic message when payload is missing', () => {
    const message = formatPrintErrorMessage(new Error('Something failed'));
    expect(message).toBe('Something failed');
  });
});