diff options
Diffstat (limited to '')
-rw-r--r-- | tests/common.py | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/tests/common.py b/tests/common.py index 65af63b..29dcfb9 100644 --- a/tests/common.py +++ b/tests/common.py @@ -14,15 +14,17 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. import contextlib +from io import StringIO import os import shutil +import sys import tempfile import unittest import yaml -from yamllint.config import YamlLintConfig from yamllint import linter +from yamllint.config import YamlLintConfig class RuleTestCase(unittest.TestCase): @@ -54,6 +56,33 @@ class RuleTestCase(unittest.TestCase): self.assertEqual(real_problems, expected_problems) +class RunContext: + """Context manager for ``cli.run()`` to capture exit code and streams.""" + + def __init__(self, case): + self.stdout = self.stderr = None + self._raises_ctx = case.assertRaises(SystemExit) + + def __enter__(self): + self._raises_ctx.__enter__() + self.old_sys_stdout = sys.stdout + self.old_sys_stderr = sys.stderr + sys.stdout = self.outstream = StringIO() + sys.stderr = self.errstream = StringIO() + return self + + def __exit__(self, *exc_info): + self.stdout = self.outstream.getvalue() + self.stderr = self.errstream.getvalue() + sys.stdout = self.old_sys_stdout + sys.stderr = self.old_sys_stderr + return self._raises_ctx.__exit__(*exc_info) + + @property + def returncode(self): + return self._raises_ctx.exception.code + + def build_temp_workspace(files): tempdir = tempfile.mkdtemp(prefix='yamllint-tests-') @@ -62,8 +91,10 @@ def build_temp_workspace(files): if not os.path.exists(os.path.dirname(path)): os.makedirs(os.path.dirname(path)) - if type(content) is list: + if isinstance(content, list): os.mkdir(path) + elif isinstance(content, str) and content.startswith('symlink://'): + os.symlink(content[10:], path) else: mode = 'wb' if isinstance(content, bytes) else 'w' with open(path, mode) as f: |