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f2407cd511
For example, a few ref tests have a match like this:
```
<link rel="match"
href="/css/reference/ref-filled-green-100px-square-only.html">
```
Previously we'd interpret this as `http://css/reference/...` which made
the test runner sad.
250 lines
8.3 KiB
Python
Executable file
250 lines
8.3 KiB
Python
Executable file
#!/usr/bin/env python3
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import os
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import sys
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from html.parser import HTMLParser
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from pathlib import Path
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from urllib.parse import urljoin
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from urllib.request import urlopen
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from collections import namedtuple
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from enum import Enum
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import re
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wpt_base_url = 'https://wpt.live/'
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class TestType(Enum):
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TEXT = 1, 'Tests/LibWeb/Text/input/wpt-import', 'Tests/LibWeb/Text/expected/wpt-import'
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REF = 2, 'Tests/LibWeb/Ref/input/wpt-import', 'Tests/LibWeb/Ref/expected/wpt-import'
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def __new__(cls, *args, **kwds):
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obj = object.__new__(cls)
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obj._value_ = args[0]
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return obj
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def __init__(self, _: str, input_path: str, expected_path: str):
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self.input_path = input_path
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self.expected_path = expected_path
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PathMapping = namedtuple('PathMapping', ['source', 'destination'])
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test_type = TestType.TEXT
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raw_reference_path = None # As specified in the test HTML
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reference_path = None # With parent directories
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src_values = []
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class LinkedResourceFinder(HTMLParser):
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def __init__(self):
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super().__init__()
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self._tag_stack_ = []
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self._match_css_url_ = re.compile(r"url\(\"?(?P<url>[^\")]+)\"?\)")
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self._match_css_import_string_ = re.compile(r"@import\s+\"(?P<url>[^\")]+)\"")
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def handle_starttag(self, tag, attrs):
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self._tag_stack_.append(tag)
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if tag == "script":
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attr_dict = dict(attrs)
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if "src" in attr_dict:
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src_values.append(attr_dict["src"])
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if tag == "link":
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attr_dict = dict(attrs)
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if attr_dict["rel"] == "stylesheet":
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src_values.append(attr_dict["href"])
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def handle_endtag(self, tag):
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self._tag_stack_.pop()
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def handle_data(self, data):
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if self._tag_stack_ and self._tag_stack_[-1] == "style":
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# Look for uses of url()
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url_iterator = self._match_css_url_.finditer(data)
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for match in url_iterator:
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src_values.append(match.group("url"))
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# Look for @imports that use plain strings - we already found the url() ones
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import_iterator = self._match_css_import_string_.finditer(data)
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for match in import_iterator:
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src_values.append(match.group("url"))
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class TestTypeIdentifier(HTMLParser):
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"""Identifies what kind of test the page is, and stores it in self.test_type
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For reference tests, the URL of the reference page is saved as self.reference_path
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"""
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def __init__(self, url):
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super().__init__()
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self.url = url
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self.test_type = TestType.TEXT
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self.reference_path = None
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def handle_starttag(self, tag, attrs):
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if tag == "link":
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attr_dict = dict(attrs)
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if attr_dict["rel"] == "match":
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self.test_type = TestType.REF
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self.reference_path = attr_dict["href"]
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def map_to_path(sources, is_resource=True, resource_path=None):
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if is_resource:
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# Add it as a sibling path if it's a relative resource
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sibling_location = Path(resource_path).parent.__str__()
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sibling_import_path = test_type.input_path + '/' + sibling_location
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def remapper(x):
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if x.startswith('/'):
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return test_type.input_path + x
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return sibling_import_path + '/' + x
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filepaths = list(map(remapper, sources))
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filepaths = list(map(lambda x: Path(x), filepaths))
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else:
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# Add the test_type.input_path to the sources if root files
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def remapper(x):
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if x.startswith('/'):
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return test_type.input_path + x
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return test_type.input_path + '/' + x
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filepaths = list(map(lambda x: Path(remapper(x)), sources))
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# Map to source and destination
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def path_mapper(x):
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output_path = wpt_base_url + x.__str__().replace(test_type.input_path, '')
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return PathMapping(output_path, x.absolute())
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filepaths = list(map(path_mapper, filepaths))
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return filepaths
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def modify_sources(files):
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for file in files:
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# Get the distance to the wpt-imports folder
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folder_index = str(file).find(test_type.input_path)
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if folder_index == -1:
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folder_index = str(file).find(test_type.expected_path)
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non_prefixed_path = str(file)[folder_index + len(test_type.expected_path):]
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else:
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non_prefixed_path = str(file)[folder_index + len(test_type.input_path):]
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parent_folder_count = len(Path(non_prefixed_path).parent.parts) - 1
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parent_folder_path = '../' * parent_folder_count
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with open(file, 'r') as f:
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page_source = f.read()
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# Iterate all scripts and overwrite the src attribute
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for i, src_value in enumerate(src_values):
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if src_value.startswith('/'):
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new_src_value = parent_folder_path + src_value[1::]
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page_source = page_source.replace(src_value, new_src_value)
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# Look for mentions of the reference page, and update their href
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if raw_reference_path is not None:
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new_reference_path = parent_folder_path + '../../expected/wpt-import/' + reference_path[::]
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page_source = page_source.replace(raw_reference_path, new_reference_path)
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with open(file, 'w') as f:
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f.write(str(page_source))
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def download_files(filepaths):
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downloaded_files = []
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for file in filepaths:
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source = urljoin(file.source, "/".join(file.source.split('/')[3:]))
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destination = Path(os.path.normpath(file.destination))
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if destination.exists():
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print(f"Skipping {destination} as it already exists")
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continue
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print(f"Downloading {source} to {destination}")
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connection = urlopen(source)
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if connection.status != 200:
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print(f"Failed to download {file.source}")
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continue
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os.makedirs(destination.parent, exist_ok=True)
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with open(destination, 'wb') as f:
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f.write(connection.read())
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downloaded_files.append(destination)
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return downloaded_files
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def create_expectation_files(files):
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# Ref tests don't have an expectation text file
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if test_type == TestType.REF:
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return
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for file in files:
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new_path = str(file.destination).replace(test_type.input_path, test_type.expected_path)
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new_path = new_path.rsplit(".", 1)[0] + '.txt'
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expected_file = Path(new_path)
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if expected_file.exists():
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print(f"Skipping {expected_file} as it already exists")
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continue
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os.makedirs(expected_file.parent, exist_ok=True)
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expected_file.touch()
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def main():
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if len(sys.argv) != 2:
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print("Usage: import-wpt-test.py <url>")
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return
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url_to_import = sys.argv[1]
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resource_path = '/'.join(Path(url_to_import).parts[2::])
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with urlopen(url_to_import) as response:
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page = response.read().decode("utf-8")
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global test_type, reference_path, raw_reference_path
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identifier = TestTypeIdentifier(url_to_import)
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identifier.feed(page)
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test_type = identifier.test_type
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raw_reference_path = identifier.reference_path
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print(f"Identified {url_to_import} as type {test_type}, ref {raw_reference_path}")
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main_file = [resource_path]
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main_paths = map_to_path(main_file, False)
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if test_type == TestType.REF and raw_reference_path is None:
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raise RuntimeError('Failed to file reference path in ref test')
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if raw_reference_path is not None:
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if raw_reference_path.startswith('/'):
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reference_path = raw_reference_path
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main_paths.append(PathMapping(
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wpt_base_url + raw_reference_path,
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Path(test_type.expected_path + raw_reference_path).absolute()
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))
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else:
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reference_path = Path(resource_path).parent.joinpath(raw_reference_path).__str__()
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main_paths.append(PathMapping(
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wpt_base_url + '/' + reference_path,
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Path(test_type.expected_path + '/' + reference_path).absolute()
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))
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files_to_modify = download_files(main_paths)
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create_expectation_files(main_paths)
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parser = LinkedResourceFinder()
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parser.feed(page)
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modify_sources(files_to_modify)
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script_paths = map_to_path(src_values, True, resource_path)
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download_files(script_paths)
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if __name__ == "__main__":
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main()
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