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#!/usr/bin/env python3
# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import unittest
import ninja_parser
class NinjaParserTest(unittest.TestCase):
def _ParseOneFile(self, line, lib, expected_inputs, expected_dep_map):
"""Exercises ninja_parser's ParseOneFile method.
This allows coverage of most parsing capabilities, without having to
synthesize the actual Ninja files expected by the top-level Parse()
method.
"""
dep_map = {}
linker_inputs_map = {lib: []}
ninja_parser.ParseOneFileForTest([line], dep_map, linker_inputs_map)
found_inputs = linker_inputs_map.get(lib)
self.assertEqual(expected_inputs, found_inputs)
self.assertEqual(expected_dep_map, dep_map)
# These cases cover finding ELF outputs with associated inputs:
def test_ExplicitDep(self):
line = 'build libfoo.so: link a.o'
inputs = ['a.o']
self._ParseOneFile(line, 'libfoo.so', inputs, {})
def test_MultipleExplicitDeps(self):
line = 'build libfoo.so: link a.o b.o'
inputs = ['a.o', 'b.o']
self._ParseOneFile(line, 'libfoo.so', inputs, {})
def test_ExplicitDepWithImplicitDep(self):
line = 'build libfoo.so: link a.o | b.o'
inputs = ['a.o']
self._ParseOneFile(line, 'libfoo.so', inputs, {})
def test_ExplicitDepWithOrderDep(self):
line = 'build libfoo.so: link a.o || b.o'
inputs = ['a.o']
self._ParseOneFile(line, 'libfoo.so', inputs, {})
def test_NoExplicitInput(self):
line = 'build libfoo.so: custom_link | custom.py'
inputs = []
self._ParseOneFile(line, 'libfoo.so', inputs, {})
def test_SpacesInPaths(self):
line = 'build libfoo.so: link a\ a.o b\ b.o'
inputs = ['a a.o', 'b b.o']
self._ParseOneFile(line, 'libfoo.so', inputs, {})
# These cases cover Object file outputs that update a dependency map:
def test_ObjectOutputWithExplicitDep(self):
line = 'build libfoo.o: cxx a.cc'
dep_map = {'libfoo.o': 'a.cc'}
self._ParseOneFile(line, 'libfoo.o', [], dep_map)
def test_ObjectOutputWithExplicitDeps(self):
line = 'build libfoo.o: cxx a.cc b.cc'
dep_map = {'libfoo.o': 'a.cc b.cc'}
self._ParseOneFile(line, 'libfoo.o', [], dep_map)
def test_ObjectOutputWithOrderDep(self):
line = 'build libfoo.o: cxx a.cc || a.inputdeps.stamp'
dep_map = {'libfoo.o': 'a.cc'}
self._ParseOneFile(line, 'libfoo.o', [], dep_map)
def test_ObjectOutputWithExplicitDepsAndOrderDep(self):
line = 'build libfoo.o: cxx a.cc b.cc || a.inputdeps.stamp'
dep_map = {'libfoo.o': 'a.cc b.cc'}
self._ParseOneFile(line, 'libfoo.o', [], dep_map)
if __name__ == '__main__':
unittest.main()
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