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mirror of https://github.com/pdf2htmlEX/pdf2htmlEX.git synced 2024-12-22 04:50:09 +00:00
pdf2htmlEX/test/browser_tests.py
2016-12-11 14:37:19 +01:00

103 lines
3.8 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,
# 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, args=[], page_must_load=True):
basefilename, extension = os.path.splitext(filename)
self.assertEquals(extension.lower(), '.pdf', 'Input file is not PDF')
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.OUTDIR, htmlfilename)
pdf2htmlEX_args = self.DEFAULT_PDF2HTMLEX_ARGS + 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.OUTDIR, ref_htmlfolder)
return
pngfilename_out = os.path.join(self.PNGDIR, basefilename + '.out.png')
self.generate_image(out_htmlfilename, pngfilename_out)
out_img = Image.open(pngfilename_out)
pngfilename_ref = os.path.join(self.PNGDIR, basefilename + '.ref.png')
self.generate_image(ref_htmlfilename, pngfilename_ref, page_must_load=page_must_load)
ref_img = Image.open(pngfilename_ref)
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]
# save the diff image (http://stackoverflow.com/questions/15721484):
diff_file_name = os.path.join(self.PNGDIR, basefilename + '.diff.png')
diff_img.convert('RGB').save(diff_file_name)
self.fail(('PNG files %s and %s differ by at most %d pixels, '+
'(%f%% of %d pixels in total), difference: %s') %
(pngfilename_out, pngfilename_ref,
diff_size, 100.0*diff_size/img_size, img_size, diff_file_name))
@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])
def test_invalid_unicode_issue477(self):
self.run_test_case('invalid_unicode_issue477.pdf')
def test_svg_background_with_page_rotation_issue402(self):
self.run_test_case('svg_background_with_page_rotation_issue402.pdf', ['--bg-format', 'svg'])
def test_fontfile3_opentype(self):
self.run_test_case('fontfile3_opentype.pdf', ['-l', 1])