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Diffstat (limited to 'portage_with_autodep/pym/portage/tests/lazyimport/test_lazy_import_portage_baseline.py')
-rw-r--r--portage_with_autodep/pym/portage/tests/lazyimport/test_lazy_import_portage_baseline.py81
1 files changed, 81 insertions, 0 deletions
diff --git a/portage_with_autodep/pym/portage/tests/lazyimport/test_lazy_import_portage_baseline.py b/portage_with_autodep/pym/portage/tests/lazyimport/test_lazy_import_portage_baseline.py
new file mode 100644
index 0000000..08ccfa7
--- /dev/null
+++ b/portage_with_autodep/pym/portage/tests/lazyimport/test_lazy_import_portage_baseline.py
@@ -0,0 +1,81 @@
+# Copyright 2010-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+import re
+import portage
+from portage import os
+from portage.const import PORTAGE_PYM_PATH
+from portage.tests import TestCase
+
+from _emerge.PollScheduler import PollScheduler
+from _emerge.PipeReader import PipeReader
+from _emerge.SpawnProcess import SpawnProcess
+
+class LazyImportPortageBaselineTestCase(TestCase):
+
+ _module_re = re.compile(r'^(portage|repoman|_emerge)\.')
+
+ _baseline_imports = frozenset([
+ 'portage.const', 'portage.localization',
+ 'portage.proxy', 'portage.proxy.lazyimport',
+ 'portage.proxy.objectproxy',
+ 'portage._selinux',
+ ])
+
+ _baseline_import_cmd = [portage._python_interpreter, '-c', '''
+import os
+import sys
+sys.path.insert(0, os.environ["PORTAGE_PYM_PATH"])
+import portage
+sys.stdout.write(" ".join(k for k in sys.modules
+ if sys.modules[k] is not None))
+''']
+
+ def testLazyImportPortageBaseline(self):
+ """
+ Check what modules are imported by a baseline module import.
+ """
+
+ env = os.environ.copy()
+ pythonpath = env.get('PYTHONPATH')
+ if pythonpath is not None and not pythonpath.strip():
+ pythonpath = None
+ if pythonpath is None:
+ pythonpath = ''
+ else:
+ pythonpath = ':' + pythonpath
+ pythonpath = PORTAGE_PYM_PATH + pythonpath
+ env[pythonpath] = pythonpath
+
+ # If python is patched to insert the path of the
+ # currently installed portage module into sys.path,
+ # then the above PYTHONPATH override doesn't help.
+ env['PORTAGE_PYM_PATH'] = PORTAGE_PYM_PATH
+
+ scheduler = PollScheduler().sched_iface
+ master_fd, slave_fd = os.pipe()
+ master_file = os.fdopen(master_fd, 'rb', 0)
+ slave_file = os.fdopen(slave_fd, 'wb')
+ producer = SpawnProcess(
+ args=self._baseline_import_cmd,
+ env=env, fd_pipes={1:slave_fd},
+ scheduler=scheduler)
+ producer.start()
+ slave_file.close()
+
+ consumer = PipeReader(
+ input_files={"producer" : master_file},
+ scheduler=scheduler)
+
+ consumer.start()
+ consumer.wait()
+ self.assertEqual(producer.wait(), os.EX_OK)
+ self.assertEqual(consumer.wait(), os.EX_OK)
+
+ output = consumer.getvalue().decode('ascii', 'replace').split()
+
+ unexpected_modules = " ".join(sorted(x for x in output \
+ if self._module_re.match(x) is not None and \
+ x not in self._baseline_imports))
+
+ self.assertEqual("", unexpected_modules)