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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import io
import os
import re
import six
RE_COMMENT = re.compile(r"\s+#")
RE_HTTP = re.compile(r"HTTP\((\.\.(\/\.\.)*)\)")
RE_PROTOCOL = re.compile(r"^\w+:")
FAILURE_TYPES = (
"fails",
"fails-if",
"needs-focus",
"random",
"random-if",
"silentfail",
"silentfail-if",
"skip",
"skip-if",
"slow",
"slow-if",
"fuzzy",
"fuzzy-if",
"require-or",
"asserts",
"asserts-if",
)
PREF_ITEMS = (
"pref",
"test-pref",
"ref-pref",
)
RE_ANNOTATION = re.compile(r"(.*)\((.*)\)")
class ReftestManifest(object):
"""Represents a parsed reftest manifest."""
def __init__(self, finder=None):
self.path = None
self.dirs = set()
self.files = set()
self.manifests = set()
self.tests = []
self.finder = finder
def load(self, path):
"""Parse a reftest manifest file."""
def add_test(file, annotations, referenced_test=None):
# We can't package about:, data:, or chrome: URIs.
# Discarding data isn't correct for a parser. But retaining
# all data isn't currently a requirement.
if RE_PROTOCOL.match(file):
return
test = os.path.normpath(os.path.join(mdir, urlprefix + file))
if test in self.files:
# if test path has already been added, make no changes, to
# avoid duplicate paths in self.tests
return
self.files.add(test)
self.dirs.add(os.path.dirname(test))
test_dict = {
"path": test,
"here": os.path.dirname(test),
"manifest": normalized_path,
"name": os.path.basename(test),
"head": "",
"support-files": "",
"subsuite": "",
}
if referenced_test:
test_dict["referenced-test"] = referenced_test
for annotation in annotations:
m = RE_ANNOTATION.match(annotation)
if m:
if m.group(1) not in test_dict:
test_dict[m.group(1)] = m.group(2)
else:
test_dict[m.group(1)] += ";" + m.group(2)
else:
test_dict[annotation] = None
self.tests.append(test_dict)
normalized_path = os.path.normpath(os.path.abspath(path))
self.manifests.add(normalized_path)
if not self.path:
self.path = normalized_path
mdir = os.path.dirname(normalized_path)
self.dirs.add(mdir)
if self.finder:
lines = self.finder.get(path).read().splitlines()
else:
with io.open(path, "r", encoding="utf-8") as fh:
lines = fh.read().splitlines()
urlprefix = ""
defaults = []
for i, line in enumerate(lines):
lineno = i + 1
line = six.ensure_text(line)
# Entire line is a comment.
if line.startswith("#"):
continue
# Comments can begin mid line. Strip them.
m = RE_COMMENT.search(line)
if m:
line = line[: m.start()]
line = line.strip()
if not line:
continue
items = line.split()
if items[0] == "defaults":
defaults = items[1:]
continue
items = defaults + items
annotations = []
for i in range(len(items)):
item = items[i]
if item.startswith(FAILURE_TYPES) or item.startswith(PREF_ITEMS):
annotations += [item]
continue
if item == "HTTP":
continue
m = RE_HTTP.match(item)
if m:
# Need to package the referenced directory.
self.dirs.add(os.path.normpath(os.path.join(mdir, m.group(1))))
continue
if i < len(defaults):
raise ValueError(
"Error parsing manifest {}, line {}: "
"Invalid defaults token '{}'".format(path, lineno, item)
)
if item == "url-prefix":
urlprefix = items[i + 1]
break
if item == "include":
self.load(os.path.join(mdir, items[i + 1]))
break
if item == "load" or item == "script":
add_test(items[i + 1], annotations)
break
if item == "==" or item == "!=" or item == "print":
add_test(items[i + 1], annotations)
add_test(items[i + 2], annotations, items[i + 1])
break
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