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import renderPDF from '~/blob/pdf';
import testPDF from '../../fixtures/blob/pdf/test.pdf';
describe('PDF renderer', () => {
let viewer;
let app;
const checkLoaded = done => {
if (app.loading) {
setTimeout(() => {
checkLoaded(done);
}, 100);
} else {
done();
}
};
preloadFixtures('static/pdf_viewer.html.raw');
beforeEach(() => {
loadFixtures('static/pdf_viewer.html.raw');
viewer = document.getElementById('js-pdf-viewer');
viewer.dataset.endpoint = testPDF;
});
it('shows loading icon', () => {
renderPDF();
expect(document.querySelector('.loading')).not.toBeNull();
});
describe('successful response', () => {
beforeEach(done => {
app = renderPDF();
checkLoaded(done);
});
it('does not show loading icon', () => {
expect(document.querySelector('.loading')).toBeNull();
});
it('renders the PDF', () => {
expect(document.querySelector('.pdf-viewer')).not.toBeNull();
});
it('renders the PDF page', () => {
expect(document.querySelector('.pdf-page')).not.toBeNull();
});
});
describe('error getting file', () => {
beforeEach(done => {
viewer.dataset.endpoint = 'invalid/path/to/file.pdf';
app = renderPDF();
checkLoaded(done);
});
it('does not show loading icon', () => {
expect(document.querySelector('.loading')).toBeNull();
});
it('shows error message', () => {
expect(document.querySelector('.md').textContent.trim()).toBe(
'An error occurred whilst loading the file. Please try again later.',
);
});
});
});
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