308 lines
11 KiB
Python
308 lines
11 KiB
Python
#!/usr/bin/env python3
|
|
#
|
|
# Copyright (C) 2021 The Android Open Source Project
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import io
|
|
import re
|
|
import unittest
|
|
import xml.etree.ElementTree as ET
|
|
import zipfile
|
|
|
|
import api_versions_trimmer
|
|
|
|
|
|
def create_in_memory_zip_file(files):
|
|
f = io.BytesIO()
|
|
with zipfile.ZipFile(f, "w") as z:
|
|
for fname in files:
|
|
with z.open(fname, mode="w") as class_file:
|
|
class_file.write(b"")
|
|
return f
|
|
|
|
|
|
def indent(elem, level=0):
|
|
i = "\n" + level * " "
|
|
j = "\n" + (level - 1) * " "
|
|
if len(elem):
|
|
if not elem.text or not elem.text.strip():
|
|
elem.text = i + " "
|
|
if not elem.tail or not elem.tail.strip():
|
|
elem.tail = i
|
|
for subelem in elem:
|
|
indent(subelem, level + 1)
|
|
if not elem.tail or not elem.tail.strip():
|
|
elem.tail = j
|
|
else:
|
|
if level and (not elem.tail or not elem.tail.strip()):
|
|
elem.tail = j
|
|
return elem
|
|
|
|
|
|
def pretty_print(s):
|
|
tree = ET.parse(io.StringIO(s))
|
|
el = indent(tree.getroot())
|
|
res = ET.tostring(el).decode("utf-8")
|
|
# remove empty lines inside the result because this still breaks some
|
|
# comparisons
|
|
return re.sub(r"\n\s*\n", "\n", res, re.MULTILINE)
|
|
|
|
|
|
class ApiVersionsTrimmerUnittests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
# so it prints diffs in long strings (xml files)
|
|
self.maxDiff = None
|
|
|
|
def test_read_classes(self):
|
|
f = create_in_memory_zip_file(
|
|
["a/b/C.class",
|
|
"a/b/D.class",
|
|
]
|
|
)
|
|
res = api_versions_trimmer.read_classes(f)
|
|
self.assertEqual({"a/b/C", "a/b/D"}, res)
|
|
|
|
def test_read_classes_ignore_dex(self):
|
|
f = create_in_memory_zip_file(
|
|
["a/b/C.class",
|
|
"a/b/D.class",
|
|
"a/b/E.dex",
|
|
"f.dex",
|
|
]
|
|
)
|
|
res = api_versions_trimmer.read_classes(f)
|
|
self.assertEqual({"a/b/C", "a/b/D"}, res)
|
|
|
|
def test_read_classes_ignore_manifest(self):
|
|
f = create_in_memory_zip_file(
|
|
["a/b/C.class",
|
|
"a/b/D.class",
|
|
"META-INFO/G.class"
|
|
]
|
|
)
|
|
res = api_versions_trimmer.read_classes(f)
|
|
self.assertEqual({"a/b/C", "a/b/D"}, res)
|
|
|
|
def test_filter_method_signature(self):
|
|
xml = """
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureResultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
"""
|
|
method = ET.fromstring(xml)
|
|
classes_to_remove = {"android/accessibilityservice/GestureDescription"}
|
|
expected = "dispatchGesture(Ljava/lang/Object;Landroid/accessibilityservice/AccessibilityService$GestureResultCallback;Landroid/os/Handler;)Z"
|
|
api_versions_trimmer.filter_method_tag(method, classes_to_remove)
|
|
self.assertEqual(expected, method.get("name"))
|
|
|
|
def test_filter_method_signature_with_L_in_method(self):
|
|
xml = """
|
|
<method name="dispatchLeftGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureResultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
"""
|
|
method = ET.fromstring(xml)
|
|
classes_to_remove = {"android/accessibilityservice/GestureDescription"}
|
|
expected = "dispatchLeftGesture(Ljava/lang/Object;Landroid/accessibilityservice/AccessibilityService$GestureResultCallback;Landroid/os/Handler;)Z"
|
|
api_versions_trimmer.filter_method_tag(method, classes_to_remove)
|
|
self.assertEqual(expected, method.get("name"))
|
|
|
|
def test_filter_method_signature_with_L_in_class(self):
|
|
xml = """
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/LeftGestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureResultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
"""
|
|
method = ET.fromstring(xml)
|
|
classes_to_remove = {"android/accessibilityservice/LeftGestureDescription"}
|
|
expected = "dispatchGesture(Ljava/lang/Object;Landroid/accessibilityservice/AccessibilityService$GestureResultCallback;Landroid/os/Handler;)Z"
|
|
api_versions_trimmer.filter_method_tag(method, classes_to_remove)
|
|
self.assertEqual(expected, method.get("name"))
|
|
|
|
def test_filter_method_signature_with_inner_class(self):
|
|
xml = """
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription$Inner;Landroid/accessibilityservice/AccessibilityService$GestureResultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
"""
|
|
method = ET.fromstring(xml)
|
|
classes_to_remove = {"android/accessibilityservice/GestureDescription$Inner"}
|
|
expected = "dispatchGesture(Ljava/lang/Object;Landroid/accessibilityservice/AccessibilityService$GestureResultCallback;Landroid/os/Handler;)Z"
|
|
api_versions_trimmer.filter_method_tag(method, classes_to_remove)
|
|
self.assertEqual(expected, method.get("name"))
|
|
|
|
def _run_filter_db_test(self, database_str, expected):
|
|
"""Performs the pattern of testing the filter_lint_database method.
|
|
|
|
Filters instances of the class "a/b/C" (hard-coded) from the database string
|
|
and compares the result with the expected result (performs formatting of
|
|
the xml of both inputs)
|
|
|
|
Args:
|
|
database_str: string, the contents of the lint database (api-versions.xml)
|
|
expected: string, the expected result after filtering the original
|
|
database
|
|
"""
|
|
database = io.StringIO(database_str)
|
|
classes_to_remove = {"a/b/C"}
|
|
output = io.BytesIO()
|
|
api_versions_trimmer.filter_lint_database(
|
|
database,
|
|
classes_to_remove,
|
|
output
|
|
)
|
|
expected = pretty_print(expected)
|
|
res = pretty_print(output.getvalue().decode("utf-8"))
|
|
self.assertEqual(expected, res)
|
|
|
|
def test_filter_lint_database_updates_method_signature_params(self):
|
|
self._run_filter_db_test(
|
|
database_str="""
|
|
<api version="2">
|
|
<!-- will be removed -->
|
|
<class name="a/b/C" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
</class>
|
|
|
|
<class name="a/b/E" since="1">
|
|
<!-- extends will be modified -->
|
|
<extends name="a/b/C"/>
|
|
<!-- first parameter will be modified -->
|
|
<method name="dispatchGesture(La/b/C;Landroid/os/Handler;)Z" since="24"/>
|
|
<!-- second should remain untouched -->
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureRe
|
|
sultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
</class>
|
|
</api>
|
|
""",
|
|
expected="""
|
|
<api version="2">
|
|
<class name="a/b/E" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
<method name="dispatchGesture(Ljava/lang/Object;Landroid/os/Handler;)Z" since="24"/>
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureRe
|
|
sultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
</class>
|
|
</api>
|
|
""")
|
|
|
|
def test_filter_lint_database_updates_method_signature_return(self):
|
|
self._run_filter_db_test(
|
|
database_str="""
|
|
<api version="2">
|
|
<!-- will be removed -->
|
|
<class name="a/b/C" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
</class>
|
|
|
|
<class name="a/b/E" since="1">
|
|
<!-- extends will be modified -->
|
|
<extends name="a/b/C"/>
|
|
<!-- return type should be changed -->
|
|
<method name="gestureIdToString(I)La/b/C;" since="24"/>
|
|
</class>
|
|
</api>
|
|
""",
|
|
expected="""
|
|
<api version="2">
|
|
<class name="a/b/E" since="1">
|
|
|
|
<extends name="java/lang/Object"/>
|
|
|
|
<method name="gestureIdToString(I)Ljava/lang/Object;" since="24"/>
|
|
</class>
|
|
</api>
|
|
""")
|
|
|
|
def test_filter_lint_database_removes_implements(self):
|
|
self._run_filter_db_test(
|
|
database_str="""
|
|
<api version="2">
|
|
<!-- will be removed -->
|
|
<class name="a/b/C" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
</class>
|
|
|
|
<class name="a/b/D" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
<implements name="a/b/C"/>
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureRe
|
|
sultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
</class>
|
|
</api>
|
|
""",
|
|
expected="""
|
|
<api version="2">
|
|
|
|
<class name="a/b/D" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureRe
|
|
sultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
</class>
|
|
</api>
|
|
""")
|
|
|
|
def test_filter_lint_database_updates_extends(self):
|
|
self._run_filter_db_test(
|
|
database_str="""
|
|
<api version="2">
|
|
<!-- will be removed -->
|
|
<class name="a/b/C" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
</class>
|
|
|
|
<class name="a/b/E" since="1">
|
|
<!-- extends will be modified -->
|
|
<extends name="a/b/C"/>
|
|
<method name="dispatchGesture(Ljava/lang/Object;Landroid/os/Handler;)Z" since="24"/>
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureRe
|
|
sultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
</class>
|
|
</api>
|
|
""",
|
|
expected="""
|
|
<api version="2">
|
|
<class name="a/b/E" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
<method name="dispatchGesture(Ljava/lang/Object;Landroid/os/Handler;)Z" since="24"/>
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureRe
|
|
sultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
</class>
|
|
</api>
|
|
""")
|
|
|
|
def test_filter_lint_database_removes_class(self):
|
|
self._run_filter_db_test(
|
|
database_str="""
|
|
<api version="2">
|
|
<!-- will be removed -->
|
|
<class name="a/b/C" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
</class>
|
|
|
|
<class name="a/b/D" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureRe
|
|
sultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
</class>
|
|
</api>
|
|
""",
|
|
expected="""
|
|
<api version="2">
|
|
|
|
<class name="a/b/D" since="1">
|
|
<extends name="java/lang/Object"/>
|
|
<method name="dispatchGesture(Landroid/accessibilityservice/GestureDescription;Landroid/accessibilityservice/AccessibilityService$GestureRe
|
|
sultCallback;Landroid/os/Handler;)Z" since="24"/>
|
|
</class>
|
|
</api>
|
|
""")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|