# -*- coding: utf-8 -*- from __future__ import absolute_import import os import sys import warnings from django.test import TestCase from django.test.client import RequestFactory from .subprocess import CalledProcessError from .utils import (override_settings, _options_to_args, template_to_temp_file, wkhtmltopdf) from .views import (PDFResponse, PdfResponse, PDFTemplateResponse, PDFTemplateView, PdfTemplateView) class TestUtils(TestCase): def setUp(self): # Clear standard error self._stderr = sys.stderr sys.stderr = open(os.devnull, 'w') def tearDown(self): sys.stderr = self._stderr def test_options_to_args(self): self.assertEqual(_options_to_args(), []) self.assertEqual(_options_to_args(heart=u'♥', verbose=True, file_name='file-name'), ['--file-name', 'file-name', '--heart', u'♥', '--verbose']) def test_wkhtmltopdf(self): """Should run wkhtmltopdf to generate a PDF""" title = 'A test template.' temp_file = template_to_temp_file('sample.html', {'title': title}) pdf_output = None try: # Standard call pdf_output = wkhtmltopdf(pages=[temp_file]) self.assertTrue(pdf_output.startswith('%PDF'), pdf_output) # Single page pdf_output = wkhtmltopdf(pages=temp_file) self.assertTrue(pdf_output.startswith('%PDF'), pdf_output) # Unicode pdf_output = wkhtmltopdf(pages=[temp_file], title=u'♥') self.assertTrue(pdf_output.startswith('%PDF'), pdf_output) # Invalid arguments self.assertRaises(CalledProcessError, wkhtmltopdf, pages=[]) finally: if os.path.exists(temp_file): os.remove(temp_file) def test_template_to_temp_file(self): """Should render a template to a temporary file.""" title = 'A test template.' temp_file = template_to_temp_file('sample.html', {'title': title}) try: with open(temp_file, 'r') as f: saved_content = f.read() self.assertTrue(title in saved_content) finally: if os.path.exists(temp_file): os.remove(temp_file) class TestViews(TestCase): def test_pdf_response(self): """Should generate the correct HttpResponse object and mimetype""" # 404 response = PDFResponse(content='', status=404) self.assertEqual(response.status_code, 404) self.assertEqual(response.content, '') self.assertEqual(response['Content-Type'], 'application/pdf') self.assertFalse(response.has_header('Content-Disposition')) content = '%PDF-1.4\n%%EOF' # Without filename response = PDFResponse(content=content) self.assertEqual(response.status_code, 200) self.assertEqual(response.content, content) self.assertEqual(response['Content-Type'], 'application/pdf') self.assertFalse(response.has_header('Content-Disposition')) # With filename response = PDFResponse(content=content, filename="nospace.pdf") self.assertEqual(response['Content-Disposition'], 'attachment; filename="nospace.pdf"') response = PDFResponse(content=content, filename="one space.pdf") self.assertEqual(response['Content-Disposition'], 'attachment; filename="one space.pdf"') response = PDFResponse(content=content, filename="4'5\".pdf") self.assertEqual(response['Content-Disposition'], 'attachment; filename="4\'5.pdf"') response = PDFResponse(content=content, filename=u"♥.pdf") self.assertEqual(response['Content-Disposition'], 'attachment; filename="?.pdf"') # Content-Type response = PDFResponse(content=content, content_type='application/x-pdf') self.assertEqual(response['Content-Type'], 'application/x-pdf') response = PDFResponse(content=content, mimetype='application/x-pdf') self.assertEqual(response['Content-Type'], 'application/x-pdf') def test_pdf_template_response(self): """Test PDFTemplateResponse.""" from django.conf import settings with override_settings( MEDIA_URL='/media/', STATIC_URL='/static/', TEMPLATE_LOADERS=['django.template.loaders.filesystem.Loader'], TEMPLATE_DIRS=[os.path.join(os.path.dirname(__file__), '_testproject', 'templates')], WKHTMLTOPDF_DEBUG=False, ): # Setup sample.html template = 'sample.html' context = {'title': 'Heading'} request = RequestFactory().get('/') response = PDFTemplateResponse(request=request, template=template, context=context) self.assertEqual(response._request, request) self.assertEqual(response.template_name, template) self.assertEqual(response.context_data, context) self.assertEqual(response.filename, None) self.assertEqual(response.header_template, None) self.assertEqual(response.footer_template, None) self.assertEqual(response.cmd_options, {}) self.assertFalse(response.has_header('Content-Disposition')) # Render to temporary file tempfile = response.render_to_temporary_file(template) tempfile.seek(0) html_content = tempfile.read() self.assertTrue(html_content.startswith('')) self.assertTrue('

{title}

'.format(**context) in html_content) pdf_content = response.rendered_content self.assertTrue(pdf_content.startswith('%PDF-')) self.assertTrue(pdf_content.endswith('%%EOF\n')) # Header filename = 'output.pdf' footer_template = 'footer.html' cmd_options = {'title': 'Test PDF'} response = PDFTemplateResponse(request=request, template=template, context=context, filename=filename, footer_template=footer_template, cmd_options=cmd_options) self.assertEqual(response.filename, filename) self.assertEqual(response.header_template, None) self.assertEqual(response.footer_template, footer_template) self.assertEqual(response.cmd_options, cmd_options) self.assertTrue(response.has_header('Content-Disposition')) tempfile = response.render_to_temporary_file(footer_template) tempfile.seek(0) footer_content = tempfile.read() self.assertTrue('MEDIA_URL = {}'.format(settings.MEDIA_URL) in footer_content) self.assertTrue('STATIC_URL = {}'.format(settings.STATIC_URL) in footer_content) pdf_content = response.rendered_content self.assertTrue('\0'.join('{title}'.format(**cmd_options)) in pdf_content) def test_pdf_template_view(self): """Test PDFTemplateView.""" with override_settings( MEDIA_URL='/media/', STATIC_URL='/static/', TEMPLATE_LOADERS=['django.template.loaders.filesystem.Loader'], TEMPLATE_DIRS=[os.path.join(os.path.dirname(__file__), '_testproject', 'templates')], WKHTMLTOPDF_DEBUG=False, ): # Setup sample.html template = 'sample.html' filename = 'output.pdf' view = PDFTemplateView.as_view(filename=filename, template_name=template) # As PDF request = RequestFactory().get('/') response = view(request) self.assertEqual(response.status_code, 200) response.render() self.assertEqual(response['Content-Disposition'], 'attachment; filename="{}"'.format(filename)) self.assertTrue(response.content.startswith('%PDF-')) self.assertTrue(response.content.endswith('%%EOF\n')) # As HTML request = RequestFactory().get('/?as=html') response = view(request) self.assertEqual(response.status_code, 200) response.render() self.assertFalse(response.has_header('Content-Disposition')) self.assertTrue(response.content.startswith('')) # POST request = RequestFactory().post('/') response = view(request) self.assertEqual(response.status_code, 405) def test_get_cmd_options(self): # Default cmd_options view = PDFTemplateView() self.assertEqual(view.cmd_options, PDFTemplateView.cmd_options) self.assertEqual(PDFTemplateView.cmd_options, {}) # Instantiate with new cmd_options cmd_options = {'orientation': 'landscape'} view = PDFTemplateView(cmd_options=cmd_options) self.assertEqual(view.cmd_options, cmd_options) self.assertEqual(PDFTemplateView.cmd_options, {}) # Update local instance of cmd_options view = PDFTemplateView() view.cmd_options.update(cmd_options) self.assertEqual(view.cmd_options, cmd_options) self.assertEqual(PDFTemplateView.cmd_options, {}) def test_deprecated(self): """Should warn when using deprecated views.""" with warnings.catch_warnings(record=True) as w: warnings.simplefilter('always') PdfTemplateView() self.assertEqual(len(w), 1) self.assertEqual(w[0].category, PendingDeprecationWarning) self.assertTrue( 'PDFTemplateView' in str(w[0].message), "'PDFTemplateView' not in {!r}".format(w[0].message)) with warnings.catch_warnings(record=True) as w: warnings.simplefilter('always') PdfResponse(None, None) self.assertEqual(len(w), 1) self.assertEqual(w[0].category, PendingDeprecationWarning) self.assertTrue( 'PDFResponse' in str(w[0].message), "'PDFResponse' not in {!r}".format(w[0].message)) with warnings.catch_warnings(record=True) as w: warnings.simplefilter('always') PDFTemplateView().get_pdf_kwargs() self.assertEqual(len(w), 1) self.assertEqual(w[0].category, PendingDeprecationWarning) self.assertTrue( 'get_pdf_kwargs()' in str(w[0].message), "'get_pdf_kwargs()' not in {!r}".format(w[0].message))