pdf2htmlEX/test/browser_tests.py

100 lines
3.6 KiB
Python

#!/usr/bin/env python
import os
import subprocess
import shutil
import unittest
from PIL import Image, ImageChops
from test import Common
class BrowserTests(Common):
TEST_DATA_DIR = os.path.join(Common.TEST_DIR, 'browser_tests')
DEFAULT_PDF2HTMLEX_ARGS = [
'--fit-width', 800,
'--last-page', 1,
'--embed', 'fi', # avoid base64 to make it faster
]
BROWSER_WIDTH=800
BROWSER_HEIGHT=1200
@classmethod
def setUpClass(cls):
pass
@classmethod
def tearDownClass(cls):
pass
def run_test_case(self, filename, pdf2htmlEX_args=[], page_must_load=True):
basefilename, extension = os.path.splitext(filename)
htmlfilename = basefilename + '.html'
ref_htmlfolder = os.path.join(self.TEST_DATA_DIR, basefilename)
ref_htmlfilename = os.path.join(ref_htmlfolder, htmlfilename)
out_htmlfilename = os.path.join(self.cur_output_dir, htmlfilename)
self.assertEquals(extension.lower(), '.pdf', 'Input file is not PDF')
pdf2htmlEX_args = self.DEFAULT_PDF2HTMLEX_ARGS \
+ list(pdf2htmlEX_args) + [
os.path.join(self.TEST_DATA_DIR, filename),
htmlfilename
]
result = self.run_pdf2htmlEX(pdf2htmlEX_args)
self.assertIn(htmlfilename, result['output_files'], 'HTML file is not generated')
if self.GENERATING_MODE:
# copy generated html files
shutil.rmtree(ref_htmlfolder, True)
shutil.copytree(self.cur_output_dir, ref_htmlfolder)
return
png_out_dir = os.path.join(self.cur_temp_dir, 'png_out')
os.mkdir(png_out_dir)
pngfilename_out_fullpath = os.path.join(png_out_dir, basefilename + '.out.png')
self.generate_image(out_htmlfilename, pngfilename_out_fullpath)
out_img = Image.open(pngfilename_out_fullpath)
pngfilename_ref_fullpath = os.path.join(png_out_dir, basefilename + '.ref.png')
self.generate_image(ref_htmlfilename, pngfilename_ref_fullpath, page_must_load=page_must_load)
ref_img = Image.open(pngfilename_ref_fullpath)
diff_img = ImageChops.difference(ref_img, out_img);
diff_bbox = diff_img.getbbox()
if diff_bbox is not None:
diff_size = (diff_bbox[2] - diff_bbox[0]) * (diff_bbox[3] - diff_bbox[1])
img_size = ref_img.size[0] * ref_img.size[1]
if self.SAVE_TMP:
# save the diff image
# http://stackoverflow.com/questions/15721484/saving-in-png-using-pil-library-after-taking-imagechops-difference-of-two-png
diff_img.convert('RGB').save(os.path.join(png_out_dir, basefilename + '.diff.png'))
self.fail('PNG files differ by <= %d pixels, (%f%% of %d pixels in total)' % (diff_size, 1.0*diff_size/img_size, img_size))
@unittest.skipIf(Common.GENERATING_MODE, 'Do not auto generate reference for test_fail')
def test_fail(self):
# The HTML reference is generated manually, which mismatches the PDF
# To test if the environment can detect any errors
# E.g. when network is down, 404 message is shown for any HTML message
with self.assertRaises(AssertionError):
self.run_test_case('test_fail.pdf', page_must_load=False)
def test_basic_text(self):
self.run_test_case('basic_text.pdf')
def test_geneve_1564(self):
self.run_test_case('geneve_1564.pdf')
def test_text_visibility(self):
self.run_test_case('text_visibility.pdf', ['--correct-text-visibility', 1])
def test_process_form(self):
self.run_test_case('with_form.pdf', ['--process-form', 1])