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authorJörg Frings-Fürst <debian@jff-webhosting.net>2019-10-07 17:50:28 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2019-10-07 17:50:28 +0200
commit56337453f0f3fbe34255e636d5d65974f4d17681 (patch)
treef26899d6d2ee33b890cfcb9b371e7177a2508b69 /src/engine/SCons/CacheDirTests.py
parentefdf3fdbcd2f7654cb8d1209a8b040914437bacd (diff)
New upstream version 3.1.1upstream/3.1.1
Diffstat (limited to 'src/engine/SCons/CacheDirTests.py')
-rw-r--r--src/engine/SCons/CacheDirTests.py83
1 files changed, 82 insertions, 1 deletions
diff --git a/src/engine/SCons/CacheDirTests.py b/src/engine/SCons/CacheDirTests.py
index f96dab5..bfdefb3 100644
--- a/src/engine/SCons/CacheDirTests.py
+++ b/src/engine/SCons/CacheDirTests.py
@@ -21,16 +21,19 @@
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
-__revision__ = "src/engine/SCons/CacheDirTests.py e724ae812eb96f4858a132f5b8c769724744faf6 2019-07-21 00:04:47 bdeegan"
+__revision__ = "src/engine/SCons/CacheDirTests.py 72ae09dc35ac2626f8ff711d8c4b30b6138e08e3 2019-08-08 14:50:06 bdeegan"
import os.path
import shutil
import sys
import unittest
+import tempfile
+import stat
from TestCmd import TestCmd
import SCons.CacheDir
+from SCons.Util import PY3
built_it = None
@@ -112,6 +115,84 @@ class CacheDirTestCase(BaseTestCase):
finally:
SCons.Util.MD5collect = save_collect
+class ExceptionTestCase(unittest.TestCase):
+ """Test that the correct exceptions are thrown by CacheDir."""
+
+ # Don't inherit from BaseTestCase, we're by definition trying to
+ # break things so we really want a clean slate for each test.
+ def setUp(self):
+ self.tmpdir = tempfile.mkdtemp()
+ self._CacheDir = SCons.CacheDir.CacheDir(self.tmpdir)
+
+ def tearDown(self):
+ shutil.rmtree(self.tmpdir)
+
+ @unittest.skipIf(sys.platform.startswith("win"), "This fixture will not trigger an OSError on Windows")
+ def test_throws_correct_on_OSError(self):
+ """Test that the correct error is thrown when cache directory cannot be created."""
+ privileged_dir = os.path.join(os.getcwd(), "privileged")
+ try:
+ os.mkdir(privileged_dir)
+ os.chmod(privileged_dir, stat.S_IREAD)
+ cd = SCons.CacheDir.CacheDir(os.path.join(privileged_dir, "cache"))
+ assert False, "Should have raised exception and did not"
+ except SCons.Errors.SConsEnvironmentError as e:
+ assert str(e) == "Failed to create cache directory {}".format(os.path.join(privileged_dir, "cache"))
+ finally:
+ os.chmod(privileged_dir, stat.S_IWRITE | stat.S_IEXEC | stat.S_IREAD)
+ shutil.rmtree(privileged_dir)
+
+
+ def test_throws_correct_when_failed_to_write_configfile(self):
+ class Unserializable:
+ """A class which the JSON should not be able to serialize"""
+
+ def __init__(self, oldconfig):
+ self.something = 1 # Make the object unserializable
+ # Pretend to be the old config just enough
+ self.__dict__["prefix_len"] = oldconfig["prefix_len"]
+
+ def __getitem__(self, name, default=None):
+ if name == "prefix_len":
+ return self.__dict__["prefix_len"]
+ else:
+ return None
+
+ def __setitem__(self, name, value):
+ self.__dict__[name] = value
+
+ oldconfig = self._CacheDir.config
+ self._CacheDir.config = Unserializable(oldconfig)
+ # Remove the config file that got created on object creation
+ # so that _readconfig* will try to rewrite it
+ old_config = os.path.join(self._CacheDir.path, "config")
+ os.remove(old_config)
+
+ try:
+ if PY3:
+ self._CacheDir._readconfig3(self._CacheDir.path)
+ else:
+ self._CacheDir._readconfig2(self._CacheDir.path)
+ assert False, "Should have raised exception and did not"
+ except SCons.Errors.SConsEnvironmentError as e:
+ assert str(e) == "Failed to write cache configuration for {}".format(self._CacheDir.path)
+
+ def test_raise_environment_error_on_invalid_json(self):
+ config_file = os.path.join(self._CacheDir.path, "config")
+ with open(config_file, "r") as cfg:
+ content = cfg.read()
+ # This will make JSON load raise a ValueError
+ content += "{}"
+ with open(config_file, "w") as cfg:
+ cfg.write(content)
+
+ try:
+ # Construct a new cache dir that will try to read the invalid config
+ new_cache_dir = SCons.CacheDir.CacheDir(self._CacheDir.path)
+ assert False, "Should have raised exception and did not"
+ except SCons.Errors.SConsEnvironmentError as e:
+ assert str(e) == "Failed to read cache configuration for {}".format(self._CacheDir.path)
+
class FileTestCase(BaseTestCase):
"""
Test calling CacheDir code through Node.FS.File interfaces.