svb/lib/modules/template/__tests__/read-template.test.js

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const readTemplate = require('../read-template.js');
const { read } = require('../../../utils/fs.js');


jest.mock('../../../utils/fs.js');


describe('modules/template/readTemplate', () => {
  const mockFilename = 'some-template.html';
  it('should return an contents and fileName', async () => {
    const mockTemplateContents = 'template contents';
    read.mockImplementationOnce(() => Promise.resolve(mockTemplateContents));
    const results = await readTemplate(mockFilename);
    expect(results).toHaveProperty('contents', mockTemplateContents);
    expect(results).toHaveProperty('fileName', mockFilename);
  });
  it('should return an error if reading template fails', async () => {
    const error = 'Ya done goofed!';
    read.mockImplementationOnce(() => Promise.reject(new Error(error)));
    const results = await readTemplate(mockFilename);
    expect(results).toHaveProperty('error');
  });
});