1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
"""Common TestCase used for testing llvm.py subcommands."""
import shutil
import os
import subprocess
import unittest
from tempfile import mkdtemp
from uuid import uuid4
from linaropy.cd import cd
# TODO: move this somewhere more public (maybe linaropy?)
def debug(test):
"""
Decorator that dumps the output of any subprocess.CalledProcessError
exception. Use this to decorate a test function when you can't tell what the
problem is.
"""
def wrapper(*args, **kwargs):
# Catch any exceptions so we can dump all the output
try:
test(*args, **kwargs)
except subprocess.CalledProcessError as exc:
print("Error in {}:".format(test.__name__))
print("Command {} exited with error code {}:\n{}".format(
exc.cmd, exc.returncode, exc.output))
return wrapper
class LLVMTestCase(unittest.TestCase):
python = "python3"
script = os.path.join("scripts", "llvm.py")
@classmethod
def create_dummy_commit(cls):
filename = "filethatshouldntexist"
cls.run_quietly(["touch", filename])
cls.run_quietly(["git", "add", filename])
cls.run_quietly(["git", "commit", "-m", "Dummy commit"])
@classmethod
def create_dummy_repo(cls, repopath):
if not os.path.isdir(repopath):
os.makedirs(repopath)
with cd(repopath):
cls.run_quietly(["git", "init"])
cls.create_dummy_commit()
@classmethod
def add_worktree(cls, repopath, worktreepath, branch):
with cd(repopath):
cls.run_quietly(["git", "worktree", "add", worktreepath,
"-b", branch])
@classmethod
def get_subproj_repo(cls, subproj):
return os.path.join(cls.repos, subproj)
@staticmethod
def run_with_output(*args, **kwargs):
"""Helper for running a command and capturing stdout and stderr"""
kwargs["stderr"] = subprocess.STDOUT
return str(subprocess.check_output(*args, **kwargs), 'utf-8')
@staticmethod
def run_quietly(*args, **kwargs):
"""
Helper for running a command and ignoring stdout and stderr. Exceptions
are still thrown if something goes wrong
"""
kwargs["stdout"] = subprocess.DEVNULL
kwargs["stderr"] = subprocess.DEVNULL
return subprocess.check_call(*args, **kwargs)
@classmethod
def command_with_defaults(cls, subcommand, *args, **kwargs):
"""
Build a list representing a llvm subcommand with the given
args. Unless otherwise specified in kwargs, this uses the values for
repos and env that it finds in cls.
"""
command = [cls.python, cls.script]
repos = cls.repos
if "repos" in kwargs:
repos = kwargs["repos"]
if repos:
command.append("--repos")
command.append(repos)
env = cls.env
if "env" in kwargs:
env = kwargs["env"]
if env:
command.append("--env")
command.append(env)
command.append(subcommand)
if len(args):
command.extend(args)
return command
|
