bernsteinbear.com
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1#!/usr/bin/env python3
2# Copyright (c) Facebook, Inc. and its affiliates. (http://www.facebook.com)
3
4import os
5import re
6import shutil
7import subprocess
8import sys
9
10
11LLDB_CMDS = os.path.join(os.path.dirname(__file__), "test_lldb_support.lldb")
12CPP_FILE = os.path.join(os.path.dirname(__file__), "test_lldb_support.cpp")
13EXP_LINE_RE = re.compile(r"^// (exp|re): (.+)$")
14
15
16def main():
17 if not shutil.which("lldb"):
18 print("lldb not found; not running tests")
19 return 0
20
21 if len(sys.argv) != 2:
22 print(f"Usage: {sys.argv[0]} <build root>", file=sys.stderr)
23 return 1
24
25 build_root = sys.argv[1]
26 lldb_command = [
27 "lldb",
28 "-x",
29 "-s",
30 LLDB_CMDS,
31 "--",
32 os.path.join(build_root, "test_lldb_support"),
33 ]
34 proc = subprocess.run(
35 lldb_command, encoding="utf-8", stdout=subprocess.PIPE, stdin=subprocess.DEVNULL
36 )
37
38 failed = []
39 found = 0
40 stdout = proc.stdout
41 for line in open(CPP_FILE, "r"):
42 line = line.strip()
43 match = EXP_LINE_RE.match(line)
44 if not match:
45 continue
46 kind = match[1]
47 pattern = match[2]
48 if kind == "exp":
49 pattern = f"^{re.escape(pattern)}$"
50 else:
51 pattern = f"^{pattern}$"
52 if re.search(pattern, stdout, re.MULTILINE):
53 found += 1
54 else:
55 failed.append(pattern)
56
57 if failed:
58 print(f"Missing {len(failed)} patterns:", file=sys.stderr)
59 for pattern in failed:
60 print(f" {pattern}", file=sys.stderr)
61 print(
62 f"\nRun the following command to reproduce:\n > {' '.join(lldb_command)}",
63 file=sys.stderr,
64 )
65 return 1
66
67 print(f"{found} patterns found")
68 return 0
69
70
71if __name__ == "__main__":
72 sys.exit(main())