Redmine

  def test_paste_image_from_clipboard

    set_tmp_attachments_directory

    log_user('jsmith', 'jsmith')

    visit '/projects/ecookbook/issues/new'

    page.execute_script(<<~JS)

      // 1x1 1-bit grayscale PNG image

      const png = Uint8Array.from(atob('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQAAAAA3bvkkAAAACklEQVR42mNgAAAAAgAB5Sfe/AAAAABJRU5ErkJggg=='), c => c.charCodeAt(0));

      const clipboardData = new DataTransfer();

      clipboardData.items.add(new File([png], 'image.png', { type: 'image/png' }));

      const event = new Event('paste', { bubbles: true, cancelable: true });

      Object.defineProperty(event, 'clipboardData', { value: clipboardData });

      document.getElementById('issue_description').dispatchEvent(event);

    JS

    filename = find('.attachments_fields input.filename').value

    assert_match /\Aclipboard-\d{12}-[a-z0-9]{5}\.png\z/, filename

    assert_field 'issue_description', :with => %(<img style="width: 1px;" src="#{filename}"><br>\n)

  end