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#! /usr/bin/env python3
# Copyright 2007 Google Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
"""Tests for parse_file."""
__author__ = "opensource@google.com"
import unittest
import basics
import cache_basics
import parse_file
import include_server
import include_analyzer
class parse_file_Test(unittest.TestCase):
def setUp(self):
include_server.print_statistics = False
client_root_keeper = basics.ClientRootKeeper()
include_server.write_include_closure_file = True
self.include_analyzer = include_analyzer.IncludeAnalyzer(client_root_keeper)
def tearDown(self):
pass
def test_RegularExpressions(self):
self.assertEqual(parse_file.POUND_SIGN_RE.match(
""" #\tinclude blah. blah."""
).group(0), " #\tinclude blah. blah.")
self.assertEqual(parse_file.POUND_SIGN_RE.match(
""" # gggg include blah. blah."""
), None)
self.assertEqual(parse_file.POUND_SIGN_RE.match(
""" */ /**/ /* a */ # include blah. blah."""
).group(0), ' */ /**/ /* a */ # \tinclude blah. blah.')
self.assertEqual(
parse_file.MACRO_EXPR_RE.search("m(a, b) + c + n(d)").groupdict(),
{'args': 'a, b', 'symbol': 'm'})
# The expression we recognize do not include nested parenthesis
self.assertEqual(
parse_file.MACRO_EXPR_RE.search("m(a, (b)) + c + n(d)").groupdict(),
{'args': None, 'symbol': 'm'})
self.assertEqual(parse_file.MACRO_EXPR_RE.match("random()").group('symbol'),
"random")
self.assertTrue(parse_file.DIRECTIVE_RE.match(
""" # include <a.c>""").group('angle') == 'a.c')
self.assertTrue(parse_file.DIRECTIVE_RE.match(
""" # include mac(a.c, mic)""").group('expr') == 'mac(a.c, mic)')
self.assertTrue(parse_file.DIRECTIVE_RE.match(
""" # include "a.c" """).group('quote') == 'a.c')
self.assertTrue(parse_file.DIRECTIVE_RE.match(
""" #include "a.c" """).group('quote') == 'a.c')
self.assertTrue(parse_file.DIRECTIVE_RE.match(
""" #include"a.c" """).group('quote') == 'a.c')
self.assertEqual(parse_file.DIRECTIVE_RE.match(
""" #define m(a) <a##_post.c> """).group('rhs'),
'<a##_post.c>')
self.assertEqual(
parse_file.DIRECTIVE_RE.match("#define xmlRealloc(ptr, size)"
+ " xmlReallocLoc((ptr), (size),"
+ " __FILE__, __LINE__)").group('lhs'),
"xmlRealloc(ptr, size)")
self.assertEqual(
parse_file.DIRECTIVE_RE.match("#define random() rand()").group('lhs'),
"random()")
self.assertEqual(
parse_file.DIRECTIVE_RE.match("#define ABBA ").group('lhs'),
"ABBA")
self.assertEqual(
parse_file.DIRECTIVE_RE.match("#define ABBA").group('lhs'),
"ABBA")
self.assertEqual(parse_file.BACKSLASH_RE.sub("",
"""a\
b\
c\
d"""), "abcd")
self.assertEqual(parse_file.BACKSLASH_RE.sub("", """a
b
"""),
"""a
b
""")
self.assertEqual(parse_file.PAIRED_COMMENT_RE.sub("", "ab/*./*..*/cd"), "abcd")
self.assertEqual(parse_file.PAIRED_COMMENT_RE.sub("", "ab/*/cd"), "ab/*/cd")
self.assertEqual(parse_file.COMMENT_RE.match("ab/*cd").group(), "ab")
self.assertEqual(parse_file.COMMENT_RE.match("ab//cd").group(), "ab")
self.assertEqual(parse_file.COMMENT_RE.match("ab/cd").group(), "ab/cd")
self.assertEqual(parse_file.
INCLUDE_STRING_RE.match(""" < ab.c>""").group('angle'),
"ab.c")
def test_ParseFile(self):
includepath_map = cache_basics.MapToIndex()
canonical_path = cache_basics.CanonicalPath()
parse_file_obj = parse_file.ParseFile(includepath_map)
symbol_table = {}
self.assertEqual(parse_file_obj.Parse(
"test_data/more_macros.c", symbol_table),
([], [], ['TEMPLATE_VARNAME(foo)'], []))
symbol_table_keys = list(symbol_table.keys())
symbol_table_keys.sort()
self.assertEqual(symbol_table_keys,
['AS_STRING', 'AS_STRING_INTERNAL',
'ILLFORMED', 'TEMPLATE_VARNAME'])
[([arg], val)] = symbol_table['TEMPLATE_VARNAME']
self.assertEqual(arg, '_filename_')
self.assertEqual(val, 'AS_STRING(maps/_filename_.tpl.varnames.h)')
self.assertEqual(parse_file_obj.Parse(
"test_data/computed_includes.c", symbol_table),
([],
[],
[ 'A' , 'm(abc)' ],
[]))
self.assertEqual(symbol_table['A'], ['"p1.h"'])
[val] = symbol_table['ILLFORMED']
self.assertEqual(val, "(_filename_,(x)) "
+ "AS_STRING(maps/_filename_.tpl.varnames.h, "
+ "NOTHANDLED(_filename_))")
unittest.main()
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