1from __future__ import absolute_import
2import os
3
4import subprocess
5import sys
6
7import lit.Test
8import lit.TestRunner
9import lit.util
10from lit.formats.base import TestFormat
11
12def getBuildDir(cmd):
13    found = False
14    for arg in cmd:
15        if found:
16            return arg
17        if arg == '--build-dir':
18            found = True
19    return None
20
21def mkdir_p(path):
22    import errno
23    try:
24        os.makedirs(path)
25    except OSError as e:
26        if e.errno != errno.EEXIST:
27            raise
28    if not os.path.isdir(path):
29        raise OSError(errno.ENOTDIR, "%s is not a directory"%path)
30
31class LLDBTest(TestFormat):
32    def __init__(self, dotest_cmd):
33        self.dotest_cmd = dotest_cmd
34
35    def getTestsInDirectory(self, testSuite, path_in_suite, litConfig,
36                            localConfig):
37        source_path = testSuite.getSourcePath(path_in_suite)
38        for filename in os.listdir(source_path):
39            # Ignore dot files and excluded tests.
40            if (filename.startswith('.') or filename in localConfig.excludes):
41                continue
42
43            # Ignore files that don't start with 'Test'.
44            if not filename.startswith('Test'):
45                continue
46
47            filepath = os.path.join(source_path, filename)
48            if not os.path.isdir(filepath):
49                base, ext = os.path.splitext(filename)
50                if ext in localConfig.suffixes:
51                    yield lit.Test.Test(testSuite, path_in_suite +
52                                        (filename, ), localConfig)
53
54    def execute(self, test, litConfig):
55        if litConfig.noExecute:
56            return lit.Test.PASS, ''
57
58        if test.config.lldb_disable_python:
59            return (lit.Test.UNSUPPORTED, 'Python module disabled')
60
61        if test.config.unsupported:
62            return (lit.Test.UNSUPPORTED, 'Test is unsupported')
63
64        testPath, testFile = os.path.split(test.getSourcePath())
65        # On Windows, the system does not always correctly interpret
66        # shebang lines.  To make sure we can execute the tests, add
67        # python exe as the first parameter of the command.
68        cmd = [sys.executable] + self.dotest_cmd + [testPath, '-p', testFile]
69
70        # The macOS system integrity protection (SIP) doesn't allow injecting
71        # libraries into system binaries, but this can be worked around by
72        # copying the binary into a different location.
73        if 'DYLD_INSERT_LIBRARIES' in test.config.environment and \
74                (sys.executable.startswith('/System/') or \
75                sys.executable.startswith('/usr/bin/')):
76            builddir = getBuildDir(cmd)
77            mkdir_p(builddir)
78            copied_python = os.path.join(builddir, 'copied-system-python')
79            if not os.path.isfile(copied_python):
80                import shutil, subprocess
81                python = subprocess.check_output([
82                    sys.executable,
83                    '-c',
84                    'import sys; print(sys.executable)'
85                ]).decode('utf-8').strip()
86                shutil.copy(python, copied_python)
87            cmd[0] = copied_python
88
89        try:
90            out, err, exitCode = lit.util.executeCommand(
91                cmd,
92                env=test.config.environment,
93                timeout=litConfig.maxIndividualTestTime)
94        except lit.util.ExecuteCommandTimeoutException:
95            return (lit.Test.TIMEOUT, 'Reached timeout of {} seconds'.format(
96                litConfig.maxIndividualTestTime))
97
98        if exitCode:
99            # Match FAIL but not XFAIL.
100            for line in out.splitlines() + err.splitlines():
101                if line.startswith('FAIL:'):
102                    return lit.Test.FAIL, out + err
103
104            if 'XPASS:' in out or 'XPASS:' in err:
105                return lit.Test.XPASS, out + err
106
107        has_unsupported_tests = 'UNSUPPORTED:' in out or 'UNSUPPORTED:' in err
108        has_passing_tests = 'PASS:' in out or 'PASS:' in err
109        if has_unsupported_tests and not has_passing_tests:
110            return lit.Test.UNSUPPORTED, out + err
111
112        passing_test_line = 'RESULT: PASSED'
113        if passing_test_line not in out and passing_test_line not in err:
114            msg = ('Unable to find %r in dotest output (exit code %d):\n\n%s%s'
115                   % (passing_test_line, exitCode, out, err))
116            return lit.Test.UNRESOLVED, msg
117
118        return lit.Test.PASS, ''
119