120 lines
5.1 KiB
Python
120 lines
5.1 KiB
Python
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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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kInputsDir = os.path.join(os.path.dirname(__file__), 'INPUTS')
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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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with self.assertRaises(CompilationDatabaseError) as cm:
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cdb = CompilationDatabase.fromDirectory(path)
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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_fail(self):
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"""Check file lookup failure"""
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cdb = CompilationDatabase.fromDirectory(kInputsDir)
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self.assertIsNone(cdb.getCompileCommands('file_do_not_exist.cpp'))
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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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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++', '-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++', '-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++', '-DFEATURE=1', '-o', '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++', '-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++', '-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++', '-DFEATURE=1', '-o', '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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