import os
import glob
import shutil
from os import path
TEST_FILE_PATTERN = "support/**.test"
TEST_OUTPUT_PATH = "tests"
TEMPLATE = """\
<!doctype html>
<!-- DO NOT EDIT! This file and %vtt_file_rel_path are generated. -->
<!-- See /webvtt/parsing/file-parsing/README.md -->
<meta charset=utf-8>
<title>WebVTT parser test: %test_name</title>
%test_headers
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
var t = async_test('%test_name');
t.step(function(){
var video = document.createElement('video');
var track = document.createElement('track');
assert_true('src' in track, 'track element not supported');
track.src = '%vtt_file_rel_path';
track['default'] = true;
track.kind = 'subtitles';
track.onload = this.step_func(trackLoaded);
track.onerror = this.step_func(trackError);
video.appendChild(track);
document.body.appendChild(video);
});
function trackLoaded(event) {
var track = event.target;
var video = track.parentNode;
var cues = video.textTracks[0].cues;
{
%test_js
}
this.done();
}
function trackError(e) {
assert_unreached('got unexpected error event');
}
</script>
"""
def generate_test(test_path, output_dir):
# Read test file
test_filename = path.basename(test_path)
test_basefilename = path.splitext(test_filename)[0]
with open(test_path, 'r') as test:
test_source = test.read()
# Split test header
splits = test_source.split('\n\n', 1)
if len(splits) != 2:
raise ValueError("Leave an empty line between the test header and body")
test_header, test_body = splits
# Split header into name + html headers
splits = test_header.split('\n', 1)
test_name = splits[0]
if len(splits) == 2:
test_headers = splits[1]
# Split body into js + vtt
splits = test_body.split('\n===\n', 1)
if len(splits) != 2:
raise ValueError("Use === to separate the js and vtt parts")
test_js, test_vtt = splits
# Get output paths
os.makedirs(output_dir, exist_ok=True)
html_file_path = path.join(output_dir, test_basefilename + '.html')
vtt_file_dir = path.join(output_dir, 'support')
os.makedirs(vtt_file_dir, exist_ok=True)
vtt_file_name = test_basefilename + '.vtt'
vtt_file_path = path.join(vtt_file_dir, vtt_file_name)
vtt_file_rel_path = path.join('support', vtt_file_name)
# Write html file
with open(html_file_path, 'w') as output:
html = (TEMPLATE.replace('%test_name', test_name)
.replace('%test_headers', test_headers)
.replace('%test_js', test_js)
.replace('%vtt_file_rel_path', vtt_file_rel_path))
output.write(html)
# Write vtt file
with open(vtt_file_path, 'w') as output:
encoded = bytes(test_vtt, "utf-8").decode("unicode_escape")
output.write(encoded)
def main():
file_parsing_path = path.normpath(path.join(path.dirname(__file__), ".."))
test_output_path = path.join(file_parsing_path, TEST_OUTPUT_PATH)
tests_pattern = path.join(file_parsing_path, TEST_FILE_PATTERN)
# Clean test directory
shutil.rmtree(test_output_path)
# Generate tests
for file in glob.glob(tests_pattern):
print('Building test files for: ' + file)
generate_test(file, test_output_path)
if __name__ == '__main__':
main()
Codebase Browser
chromium