1 from clang.cindex import CompilationDatabase 2 from clang.cindex import CompilationDatabaseError 3 from clang.cindex import CompileCommands 4 from clang.cindex import CompileCommand 5 import os 6 import gc 7 8 kInputsDir = os.path.join(os.path.dirname(__file__), 'INPUTS') 9 10 def test_create_fail(): 11 """Check we fail loading a database with an assertion""" 12 path = os.path.dirname(__file__) 13 try: 14 cdb = CompilationDatabase.fromDirectory(path) 15 except CompilationDatabaseError as e: 16 assert e.cdb_error == CompilationDatabaseError.ERROR_CANNOTLOADDATABASE 17 else: 18 assert False 19 20 def test_create(): 21 """Check we can load a compilation database""" 22 cdb = CompilationDatabase.fromDirectory(kInputsDir) 23 24 def test_lookup_fail(): 25 """Check file lookup failure""" 26 cdb = CompilationDatabase.fromDirectory(kInputsDir) 27 assert cdb.getCompileCommands('file_do_not_exist.cpp') == None 28 29 def test_lookup_succeed(): 30 """Check we get some results if the file exists in the db""" 31 cdb = CompilationDatabase.fromDirectory(kInputsDir) 32 cmds = cdb.getCompileCommands('/home/john.doe/MyProject/project.cpp') 33 assert len(cmds) != 0 34 35 def test_all_compilecommand(): 36 """Check we get all results from the db""" 37 cdb = CompilationDatabase.fromDirectory(kInputsDir) 38 cmds = cdb.getAllCompileCommands() 39 assert len(cmds) == 3 40 expected = [ 41 { 'wd': '/home/john.doe/MyProjectA', 42 'line': ['clang++', '-o', 'project2.o', '-c', 43 '/home/john.doe/MyProject/project2.cpp']}, 44 { 'wd': '/home/john.doe/MyProjectB', 45 'line': ['clang++', '-DFEATURE=1', '-o', 'project2-feature.o', '-c', 46 '/home/john.doe/MyProject/project2.cpp']}, 47 { 'wd': '/home/john.doe/MyProject', 48 'line': ['clang++', '-o', 'project.o', '-c', 49 '/home/john.doe/MyProject/project.cpp']} 50 ] 51 for i in range(len(cmds)): 52 assert cmds[i].directory == expected[i]['wd'] 53 for arg, exp in zip(cmds[i].arguments, expected[i]['line']): 54 assert arg == exp 55 56 def test_1_compilecommand(): 57 """Check file with single compile command""" 58 cdb = CompilationDatabase.fromDirectory(kInputsDir) 59 cmds = cdb.getCompileCommands('/home/john.doe/MyProject/project.cpp') 60 assert len(cmds) == 1 61 assert cmds[0].directory == '/home/john.doe/MyProject' 62 expected = [ 'clang++', '-o', 'project.o', '-c', 63 '/home/john.doe/MyProject/project.cpp'] 64 for arg, exp in zip(cmds[0].arguments, expected): 65 assert arg == exp 66 67 def test_2_compilecommand(): 68 """Check file with 2 compile commands""" 69 cdb = CompilationDatabase.fromDirectory(kInputsDir) 70 cmds = cdb.getCompileCommands('/home/john.doe/MyProject/project2.cpp') 71 assert len(cmds) == 2 72 expected = [ 73 { 'wd': '/home/john.doe/MyProjectA', 74 'line': ['clang++', '-o', 'project2.o', '-c', 75 '/home/john.doe/MyProject/project2.cpp']}, 76 { 'wd': '/home/john.doe/MyProjectB', 77 'line': ['clang++', '-DFEATURE=1', '-o', 'project2-feature.o', '-c', 78 '/home/john.doe/MyProject/project2.cpp']} 79 ] 80 for i in range(len(cmds)): 81 assert cmds[i].directory == expected[i]['wd'] 82 for arg, exp in zip(cmds[i].arguments, expected[i]['line']): 83 assert arg == exp 84 85 def test_compilecommand_iterator_stops(): 86 """Check that iterator stops after the correct number of elements""" 87 cdb = CompilationDatabase.fromDirectory(kInputsDir) 88 count = 0 89 for cmd in cdb.getCompileCommands('/home/john.doe/MyProject/project2.cpp'): 90 count += 1 91 assert count <= 2 92 93 def test_compilationDB_references(): 94 """Ensure CompilationsCommands are independent of the database""" 95 cdb = CompilationDatabase.fromDirectory(kInputsDir) 96 cmds = cdb.getCompileCommands('/home/john.doe/MyProject/project.cpp') 97 del cdb 98 gc.collect() 99 workingdir = cmds[0].directory 100 101 def test_compilationCommands_references(): 102 """Ensure CompilationsCommand keeps a reference to CompilationCommands""" 103 cdb = CompilationDatabase.fromDirectory(kInputsDir) 104 cmds = cdb.getCompileCommands('/home/john.doe/MyProject/project.cpp') 105 del cdb 106 cmd0 = cmds[0] 107 del cmds 108 gc.collect() 109 workingdir = cmd0.directory 110 111
