platform_build/tools/test_post_process_props.py

278 lines
9.3 KiB
Python

#!/usr/bin/env python3
#
# Copyright (C) 2020 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 contextlib
import io
import unittest
from unittest.mock import *
from post_process_props import *
class PropTestCase(unittest.TestCase):
def test_createFromLine(self):
p = Prop.from_line("# this is comment")
self.assertTrue(p.is_comment())
self.assertEqual("", p.name)
self.assertEqual("", p.value)
self.assertFalse(p.is_optional())
self.assertEqual("# this is comment", str(p))
for line in ["a=b", "a = b", "a= b", "a =b", " a=b "]:
p = Prop.from_line(line)
self.assertFalse(p.is_comment())
self.assertEqual("a", p.name)
self.assertEqual("b", p.value)
self.assertFalse(p.is_optional())
self.assertEqual("a=b", str(p))
for line in ["a?=b", "a ?= b", "a?= b", "a ?=b", " a?=b "]:
p = Prop.from_line(line)
self.assertFalse(p.is_comment())
self.assertEqual("a", p.name)
self.assertEqual("b", p.value)
self.assertTrue(p.is_optional())
self.assertEqual("a?=b", str(p))
def test_makeAsComment(self):
p = Prop.from_line("a=b")
p.comments.append("# a comment")
self.assertFalse(p.is_comment())
p.make_as_comment()
self.assertTrue(p.is_comment())
self.assertEqual("# a comment\n#a=b", str(p))
class PropListTestcase(unittest.TestCase):
def setUp(self):
content = """
# comment
foo=true
bar=false
qux?=1
# another comment
foo?=false
"""
self.patcher = patch("post_process_props.open", mock_open(read_data=content))
self.mock_open = self.patcher.start()
self.props = PropList("file")
def tearDown(self):
self.patcher.stop()
self.props = None
def test_readFromFile(self):
self.assertEqual(4, len(self.props.get_all_props()))
expected = [
("foo", "true", False),
("bar", "false", False),
("qux", "1", True),
("foo", "false", True)
]
for i,p in enumerate(self.props.get_all_props()):
self.assertEqual(expected[i][0], p.name)
self.assertEqual(expected[i][1], p.value)
self.assertEqual(expected[i][2], p.is_optional())
self.assertFalse(p.is_comment())
self.assertEqual(set(["foo", "bar", "qux"]), self.props.get_all_names())
self.assertEqual("true", self.props.get_value("foo"))
self.assertEqual("false", self.props.get_value("bar"))
self.assertEqual("1", self.props.get_value("qux"))
# there are two assignments for 'foo'
self.assertEqual(2, len(self.props.get_props("foo")))
def test_putNewProp(self):
self.props.put("new", "30")
self.assertEqual(5, len(self.props.get_all_props()))
last_prop = self.props.get_all_props()[-1]
self.assertEqual("new", last_prop.name)
self.assertEqual("30", last_prop.value)
self.assertFalse(last_prop.is_optional())
def test_putExistingNonOptionalProp(self):
self.props.put("foo", "NewValue")
self.assertEqual(4, len(self.props.get_all_props()))
foo_prop = self.props.get_props("foo")[0]
self.assertEqual("foo", foo_prop.name)
self.assertEqual("NewValue", foo_prop.value)
self.assertFalse(foo_prop.is_optional())
self.assertEqual("# Value overridden by post_process_props.py. " +
"Original value: true\nfoo=NewValue", str(foo_prop))
def test_putExistingOptionalProp(self):
self.props.put("qux", "2")
self.assertEqual(5, len(self.props.get_all_props()))
last_prop = self.props.get_all_props()[-1]
self.assertEqual("qux", last_prop.name)
self.assertEqual("2", last_prop.value)
self.assertFalse(last_prop.is_optional())
self.assertEqual("# Auto-added by post_process_props.py\nqux=2",
str(last_prop))
def test_deleteNonOptionalProp(self):
props_to_delete = self.props.get_props("foo")[0]
props_to_delete.delete(reason="testing")
self.assertEqual(3, len(self.props.get_all_props()))
self.assertEqual("# Removed by post_process_props.py because testing\n" +
"#foo=true", str(props_to_delete))
def test_deleteOptionalProp(self):
props_to_delete = self.props.get_props("qux")[0]
props_to_delete.delete(reason="testing")
self.assertEqual(3, len(self.props.get_all_props()))
self.assertEqual("# Removed by post_process_props.py because testing\n" +
"#qux?=1", str(props_to_delete))
def test_overridingNonOptional(self):
props_to_be_overridden = self.props.get_props("foo")[1]
self.assertTrue("true", props_to_be_overridden.value)
self.assertTrue(override_optional_props(self.props))
# size reduced to 3 because foo?=false was overridden by foo=true
self.assertEqual(3, len(self.props.get_all_props()))
self.assertEqual(1, len(self.props.get_props("foo")))
self.assertEqual("true", self.props.get_props("foo")[0].value)
self.assertEqual("# Removed by post_process_props.py because " +
"overridden by foo=true\n#foo?=false",
str(props_to_be_overridden))
def test_overridingOptional(self):
content = """
# comment
qux?=2
foo=true
bar=false
qux?=1
# another comment
foo?=false
"""
with patch('post_process_props.open', mock_open(read_data=content)) as m:
props = PropList("hello")
props_to_be_overridden = props.get_props("qux")[0]
self.assertEqual("2", props_to_be_overridden.value)
self.assertTrue(override_optional_props(props))
self.assertEqual(1, len(props.get_props("qux")))
self.assertEqual("1", props.get_props("qux")[0].value)
# the only left optional assignment becomes non-optional
self.assertFalse(props.get_props("qux")[0].is_optional())
self.assertEqual("# Removed by post_process_props.py because " +
"overridden by qux?=1\n#qux?=2",
str(props_to_be_overridden))
def test_overridingDuplicated(self):
content = """
# comment
foo=true
bar=false
qux?=1
foo=false
# another comment
foo?=false
"""
with patch("post_process_props.open", mock_open(read_data=content)) as m:
stderr_redirect = io.StringIO()
with contextlib.redirect_stderr(stderr_redirect):
props = PropList("hello")
# fails due to duplicated foo=true and foo=false
self.assertFalse(override_optional_props(props))
self.assertEqual("error: found duplicate sysprop assignments:\n" +
"foo=true\nfoo=false\n", stderr_redirect.getvalue())
def test_overridingDuplicatedWithSameValue(self):
content = """
# comment
foo=true
bar=false
qux?=1
foo=true
# another comment
foo?=false
"""
with patch("post_process_props.open", mock_open(read_data=content)) as m:
stderr_redirect = io.StringIO()
with contextlib.redirect_stderr(stderr_redirect):
props = PropList("hello")
optional_prop = props.get_props("foo")[2] # the last foo?=false one
# we have duplicated foo=true and foo=true, but that's allowed
# since they have the same value
self.assertTrue(override_optional_props(props))
# foo?=false should be commented out
self.assertEqual("# Removed by post_process_props.py because " +
"overridden by foo=true\n#foo?=false",
str(optional_prop))
def test_allowDuplicates(self):
content = """
# comment
foo=true
bar=false
qux?=1
foo=false
# another comment
foo?=false
"""
with patch("post_process_props.open", mock_open(read_data=content)) as m:
stderr_redirect = io.StringIO()
with contextlib.redirect_stderr(stderr_redirect):
props = PropList("hello")
# we have duplicated foo=true and foo=false, but that's allowed
# because it's explicitly allowed
self.assertTrue(override_optional_props(props, allow_dup=True))
def test_validateGrfProps(self):
stderr_redirect = io.StringIO()
with contextlib.redirect_stderr(stderr_redirect):
props = PropList("hello")
props.put("ro.board.first_api_level","25")
# ro.board.first_api_level must be less than or equal to the sdk version
self.assertFalse(validate_grf_props(props, 20))
self.assertTrue(validate_grf_props(props, 26))
self.assertTrue(validate_grf_props(props, 35))
# manually set ro.board.api_level to an invalid value
props.put("ro.board.api_level","20")
self.assertFalse(validate_grf_props(props, 26))
props.get_all_props()[-1].make_as_comment()
# manually set ro.board.api_level to a valid value
props.put("ro.board.api_level","26")
self.assertTrue(validate_grf_props(props, 26))
# ro.board.api_level must be less than or equal to the sdk version
self.assertFalse(validate_grf_props(props, 25))
if __name__ == '__main__':
unittest.main(verbosity=2)