142 lines
5.9 KiB
Python
142 lines
5.9 KiB
Python
import os
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from clang.cindex import Config
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if 'CLANG_LIBRARY_PATH' in os.environ:
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Config.set_library_path(os.environ['CLANG_LIBRARY_PATH'])
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from clang.cindex import CompilationDatabase
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from clang.cindex import CompilationDatabaseError
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from clang.cindex import CompileCommands
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from clang.cindex import CompileCommand
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import os
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import gc
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import unittest
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import sys
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from .util import skip_if_no_fspath
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from .util import str_to_path
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kInputsDir = os.path.join(os.path.dirname(__file__), 'INPUTS')
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@unittest.skipIf(sys.platform == 'win32', "TODO: Fix these tests on Windows")
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class TestCDB(unittest.TestCase):
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def test_create_fail(self):
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"""Check we fail loading a database with an assertion"""
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path = os.path.dirname(__file__)
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# clang_CompilationDatabase_fromDirectory calls fprintf(stderr, ...)
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# Suppress its output.
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stderr = os.dup(2)
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with open(os.devnull, 'wb') as null:
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os.dup2(null.fileno(), 2)
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with self.assertRaises(CompilationDatabaseError) as cm:
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cdb = CompilationDatabase.fromDirectory(path)
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os.dup2(stderr, 2)
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os.close(stderr)
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e = cm.exception
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self.assertEqual(e.cdb_error,
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CompilationDatabaseError.ERROR_CANNOTLOADDATABASE)
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def test_create(self):
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"""Check we can load a compilation database"""
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cdb = CompilationDatabase.fromDirectory(kInputsDir)
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def test_lookup_succeed(self):
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"""Check we get some results if the file exists in the db"""
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cdb = CompilationDatabase.fromDirectory(kInputsDir)
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cmds = cdb.getCompileCommands('/home/john.doe/MyProject/project.cpp')
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self.assertNotEqual(len(cmds), 0)
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@skip_if_no_fspath
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def test_lookup_succeed_pathlike(self):
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"""Same as test_lookup_succeed, but with PathLikes"""
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cdb = CompilationDatabase.fromDirectory(str_to_path(kInputsDir))
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cmds = cdb.getCompileCommands(str_to_path('/home/john.doe/MyProject/project.cpp'))
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self.assertNotEqual(len(cmds), 0)
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def test_all_compilecommand(self):
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"""Check we get all results from the db"""
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cdb = CompilationDatabase.fromDirectory(kInputsDir)
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cmds = cdb.getAllCompileCommands()
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self.assertEqual(len(cmds), 3)
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expected = [
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{ 'wd': '/home/john.doe/MyProject',
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'file': '/home/john.doe/MyProject/project.cpp',
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'line': ['clang++', '--driver-mode=g++', '-o', 'project.o', '-c',
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'/home/john.doe/MyProject/project.cpp']},
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{ 'wd': '/home/john.doe/MyProjectA',
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'file': '/home/john.doe/MyProject/project2.cpp',
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'line': ['clang++', '--driver-mode=g++', '-o', 'project2.o', '-c',
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'/home/john.doe/MyProject/project2.cpp']},
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{ 'wd': '/home/john.doe/MyProjectB',
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'file': '/home/john.doe/MyProject/project2.cpp',
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'line': ['clang++', '--driver-mode=g++', '-DFEATURE=1', '-o',
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'project2-feature.o', '-c',
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'/home/john.doe/MyProject/project2.cpp']},
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]
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for i in range(len(cmds)):
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self.assertEqual(cmds[i].directory, expected[i]['wd'])
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self.assertEqual(cmds[i].filename, expected[i]['file'])
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for arg, exp in zip(cmds[i].arguments, expected[i]['line']):
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self.assertEqual(arg, exp)
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def test_1_compilecommand(self):
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"""Check file with single compile command"""
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cdb = CompilationDatabase.fromDirectory(kInputsDir)
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file = '/home/john.doe/MyProject/project.cpp'
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cmds = cdb.getCompileCommands(file)
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self.assertEqual(len(cmds), 1)
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self.assertEqual(cmds[0].directory, os.path.dirname(file))
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self.assertEqual(cmds[0].filename, file)
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expected = [ 'clang++', '--driver-mode=g++', '-o', 'project.o', '-c',
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'/home/john.doe/MyProject/project.cpp']
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for arg, exp in zip(cmds[0].arguments, expected):
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self.assertEqual(arg, exp)
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def test_2_compilecommand(self):
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"""Check file with 2 compile commands"""
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cdb = CompilationDatabase.fromDirectory(kInputsDir)
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cmds = cdb.getCompileCommands('/home/john.doe/MyProject/project2.cpp')
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self.assertEqual(len(cmds), 2)
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expected = [
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{ 'wd': '/home/john.doe/MyProjectA',
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'line': ['clang++', '--driver-mode=g++', '-o', 'project2.o', '-c',
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'/home/john.doe/MyProject/project2.cpp']},
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{ 'wd': '/home/john.doe/MyProjectB',
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'line': ['clang++', '--driver-mode=g++', '-DFEATURE=1', '-o',
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'project2-feature.o', '-c',
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'/home/john.doe/MyProject/project2.cpp']}
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]
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for i in range(len(cmds)):
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self.assertEqual(cmds[i].directory, expected[i]['wd'])
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for arg, exp in zip(cmds[i].arguments, expected[i]['line']):
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self.assertEqual(arg, exp)
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def test_compilecommand_iterator_stops(self):
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"""Check that iterator stops after the correct number of elements"""
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cdb = CompilationDatabase.fromDirectory(kInputsDir)
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count = 0
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for cmd in cdb.getCompileCommands('/home/john.doe/MyProject/project2.cpp'):
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count += 1
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self.assertLessEqual(count, 2)
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def test_compilationDB_references(self):
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"""Ensure CompilationsCommands are independent of the database"""
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cdb = CompilationDatabase.fromDirectory(kInputsDir)
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cmds = cdb.getCompileCommands('/home/john.doe/MyProject/project.cpp')
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del cdb
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gc.collect()
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workingdir = cmds[0].directory
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def test_compilationCommands_references(self):
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"""Ensure CompilationsCommand keeps a reference to CompilationCommands"""
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cdb = CompilationDatabase.fromDirectory(kInputsDir)
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cmds = cdb.getCompileCommands('/home/john.doe/MyProject/project.cpp')
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del cdb
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cmd0 = cmds[0]
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del cmds
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gc.collect()
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workingdir = cmd0.directory
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