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Add explicit relative import tests for runpy.run_module

This commit is contained in:
Nick Coghlan 2007-07-22 10:18:07 +00:00
parent 7f4f41255f
commit f17a2e4f87
1 changed files with 66 additions and 5 deletions
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71
Lib/test/test_runpy.py
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@ -87,9 +87,15 @@ class RunModuleTest(unittest.TestCase):
def test_library_module(self):
run_module("runpy")
def _add_pkg_dir(self, pkg_dir):
os.mkdir(pkg_dir)
pkg_fname = os.path.join(pkg_dir, "__init__"+os.extsep+"py")
pkg_file = open(pkg_fname, "w")
pkg_file.close()
return pkg_fname
def _make_pkg(self, source, depth):
pkg_name = "__runpy_pkg__"
init_fname = "__init__"+os.extsep+"py"
test_fname = "runpy_test"+os.extsep+"py"
pkg_dir = sub_dir = tempfile.mkdtemp()
if verbose: print " Package tree in:", sub_dir
@ -97,11 +103,8 @@ class RunModuleTest(unittest.TestCase):
if verbose: print " Updated sys.path:", sys.path[0]
for i in range(depth):
sub_dir = os.path.join(sub_dir, pkg_name)
os.mkdir(sub_dir)
pkg_fname = self._add_pkg_dir(sub_dir)
if verbose: print " Next level in:", sub_dir
pkg_fname = os.path.join(sub_dir, init_fname)
pkg_file = open(pkg_fname, "w")
pkg_file.close()
if verbose: print " Created:", pkg_fname
mod_fname = os.path.join(sub_dir, test_fname)
mod_file = open(mod_fname, "w")
@ -146,23 +149,81 @@ class RunModuleTest(unittest.TestCase):
try:
if verbose: print "Running from source:", mod_name
d1 = run_module(mod_name) # Read from source
self.failUnless("x" in d1)
self.failUnless(d1["x"] == 1)
del d1 # Ensure __loader__ entry doesn't keep file open
__import__(mod_name)
os.remove(mod_fname)
if verbose: print "Running from compiled:", mod_name
d2 = run_module(mod_name) # Read from bytecode
self.failUnless("x" in d2)
self.failUnless(d2["x"] == 1)
del d2 # Ensure __loader__ entry doesn't keep file open
finally:
self._del_pkg(pkg_dir, depth, mod_name)
if verbose: print "Module executed successfully"
def _add_relative_modules(self, base_dir, depth):
if depth <= 1:
raise ValueError("Relative module test needs depth > 1")
pkg_name = "__runpy_pkg__"
module_dir = base_dir
for i in range(depth):
parent_dir = module_dir
module_dir = os.path.join(module_dir, pkg_name)
# Add sibling module
sibling_fname = os.path.join(module_dir, "sibling"+os.extsep+"py")
sibling_file = open(sibling_fname, "w")
sibling_file.close()
if verbose: print " Added sibling module:", sibling_fname
# Add nephew module
uncle_dir = os.path.join(parent_dir, "uncle")
self._add_pkg_dir(uncle_dir)
if verbose: print " Added uncle package:", uncle_dir
cousin_dir = os.path.join(uncle_dir, "cousin")
self._add_pkg_dir(cousin_dir)
if verbose: print " Added cousin package:", cousin_dir
nephew_fname = os.path.join(cousin_dir, "nephew"+os.extsep+"py")
nephew_file = open(nephew_fname, "w")
nephew_file.close()
if verbose: print " Added nephew module:", nephew_fname
def _check_relative_imports(self, depth, run_name=None):
contents = """\
from __future__ import absolute_import
from . import sibling
from ..uncle.cousin import nephew
"""
pkg_dir, mod_fname, mod_name = (
self._make_pkg(contents, depth))
try:
self._add_relative_modules(pkg_dir, depth)
if verbose: print "Running from source:", mod_name
d1 = run_module(mod_name) # Read from source
self.failUnless("sibling" in d1)
self.failUnless("nephew" in d1)
del d1 # Ensure __loader__ entry doesn't keep file open
__import__(mod_name)
os.remove(mod_fname)
if verbose: print "Running from compiled:", mod_name
d2 = run_module(mod_name) # Read from bytecode
self.failUnless("sibling" in d2)
self.failUnless("nephew" in d2)
del d2 # Ensure __loader__ entry doesn't keep file open
finally:
self._del_pkg(pkg_dir, depth, mod_name)
if verbose: print "Module executed successfully"
def test_run_module(self):
for depth in range(4):
if verbose: print "Testing package depth:", depth
self._check_module(depth)
def test_explicit_relative_import(self):
for depth in range(2, 5):
if verbose: print "Testing relative imports at depth:", depth
self._check_relative_imports(depth)
def test_main():
run_unittest(RunModuleCodeTest)