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Implement InspectLoader for BuiltinImporter.

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This commit is contained in:
Brett Cannon 2009-03-15 01:41:33 +00:00
parent 7aa21f75c1
commit a113ac58be
7 changed files with 91 additions and 32 deletions
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43
Lib/importlib/test/builtin/test_loader.py
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@ -2,6 +2,7 @@ import importlib
from importlib import machinery
from .. import abc
from .. import util
from . import util as builtin_util
import sys
import types
@ -12,9 +13,6 @@ class LoaderTests(abc.LoaderTests):
"""Test load_module() for built-in modules."""
assert 'errno' in sys.builtin_module_names
name = 'errno'
verification = {'__name__': 'errno', '__package__': '',
'__loader__': machinery.BuiltinImporter}
@ -30,8 +28,8 @@ class LoaderTests(abc.LoaderTests):
def test_module(self):
# Common case.
with util.uncache(self.name):
module = self.load_module(self.name)
with util.uncache(builtin_util.NAME):
module = self.load_module(builtin_util.NAME)
self.verify(module)
def test_package(self):
@ -48,9 +46,9 @@ class LoaderTests(abc.LoaderTests):
def test_module_reuse(self):
# Test that the same module is used in a reload.
with util.uncache(self.name):
module1 = self.load_module(self.name)
module2 = self.load_module(self.name)
with util.uncache(builtin_util.NAME):
module1 = self.load_module(builtin_util.NAME)
module2 = self.load_module(builtin_util.NAME)
self.assert_(module1 is module2)
def test_unloadable(self):
@ -65,9 +63,36 @@ class LoaderTests(abc.LoaderTests):
self.assertRaises(ImportError, self.load_module, 'importlib')
class InspectLoaderTests(unittest.TestCase):
"""Tests for InspectLoader methods for BuiltinImporter."""
def test_get_code(self):
# There is no code object.
result = machinery.BuiltinImporter.get_code(builtin_util.NAME)
self.assert_(result is None)
def test_get_source(self):
# There is no source.
result = machinery.BuiltinImporter.get_source(builtin_util.NAME)
self.assert_(result is None)
def test_is_package(self):
# Cannot be a package.
result = machinery.BuiltinImporter.is_package(builtin_util.NAME)
self.assert_(not result)
def test_not_builtin(self):
# Modules not built-in should raise ImportError.
for meth_name in ('get_code', 'get_source', 'is_package'):
method = getattr(machinery.BuiltinImporter, meth_name)
self.assertRaises(ImportError, method, builtin_util.BAD_NAME)
def test_main():
from test.support import run_unittest
run_unittest(LoaderTests)
run_unittest(LoaderTests, InspectLoaderTests)
if __name__ == '__main__':