cpython/Lib/packaging/tests/test_command_build_py.py

147 lines
5.1 KiB
Python

"""Tests for distutils.command.build_py."""
import os
import sys
import imp
from packaging.command.build_py import build_py
from packaging.dist import Distribution
from packaging.errors import PackagingFileError
from packaging.tests import unittest, support
class BuildPyTestCase(support.TempdirManager,
support.LoggingCatcher,
unittest.TestCase):
def test_package_data(self):
sources = self.mkdtemp()
pkg_dir = os.path.join(sources, 'pkg')
os.mkdir(pkg_dir)
f = open(os.path.join(pkg_dir, "__init__.py"), "w")
try:
f.write("# Pretend this is a package.")
finally:
f.close()
# let's have two files to make sure globbing works
f = open(os.path.join(pkg_dir, "README.txt"), "w")
try:
f.write("Info about this package")
finally:
f.close()
f = open(os.path.join(pkg_dir, "HACKING.txt"), "w")
try:
f.write("How to contribute")
finally:
f.close()
destination = self.mkdtemp()
dist = Distribution({"packages": ["pkg"],
"package_dir": sources})
dist.command_obj["build"] = support.DummyCommand(
force=False,
build_lib=destination,
use_2to3_fixers=None,
convert_2to3_doctests=None,
use_2to3=False)
dist.packages = ["pkg"]
dist.package_data = {"pkg": ["*.txt"]}
dist.package_dir = sources
cmd = build_py(dist)
cmd.compile = True
cmd.ensure_finalized()
self.assertEqual(cmd.package_data, dist.package_data)
cmd.run()
# This makes sure the list of outputs includes byte-compiled
# files for Python modules but not for package data files
# (there shouldn't *be* byte-code files for those!).
# FIXME the test below is not doing what the comment above says, and
# if it did it would show a code bug: if we add a demo.py file to
# package_data, it gets byte-compiled!
outputs = cmd.get_outputs()
self.assertEqual(len(outputs), 4, outputs)
pkgdest = os.path.join(destination, "pkg")
files = os.listdir(pkgdest)
pycache_dir = os.path.join(pkgdest, "__pycache__")
self.assertIn("__init__.py", files)
self.assertIn("README.txt", files)
self.assertIn("HACKING.txt", files)
pyc_files = os.listdir(pycache_dir)
self.assertEqual(["__init__.%s.pyc" % imp.get_tag()], pyc_files)
def test_empty_package_dir(self):
# See SF 1668596/1720897.
# create the distribution files.
sources = self.mkdtemp()
pkg = os.path.join(sources, 'pkg')
os.mkdir(pkg)
open(os.path.join(pkg, "__init__.py"), "wb").close()
testdir = os.path.join(pkg, "doc")
os.mkdir(testdir)
open(os.path.join(testdir, "testfile"), "wb").close()
os.chdir(sources)
dist = Distribution({"packages": ["pkg"],
"package_dir": sources,
"package_data": {"pkg": ["doc/*"]}})
dist.script_args = ["build"]
dist.parse_command_line()
try:
dist.run_commands()
except PackagingFileError:
self.fail("failed package_data test when package_dir is ''")
def test_byte_compile(self):
project_dir, dist = self.create_dist(py_modules=['boiledeggs'])
os.chdir(project_dir)
self.write_file('boiledeggs.py', 'import antigravity')
cmd = build_py(dist)
cmd.compile = True
cmd.build_lib = 'here'
cmd.finalize_options()
cmd.run()
found = os.listdir(cmd.build_lib)
self.assertEqual(sorted(found), ['__pycache__', 'boiledeggs.py'])
found = os.listdir(os.path.join(cmd.build_lib, '__pycache__'))
self.assertEqual(found, ['boiledeggs.%s.pyc' % imp.get_tag()])
def test_byte_compile_optimized(self):
project_dir, dist = self.create_dist(py_modules=['boiledeggs'])
os.chdir(project_dir)
self.write_file('boiledeggs.py', 'import antigravity')
cmd = build_py(dist)
cmd.compile = True
cmd.optimize = 1
cmd.build_lib = 'here'
cmd.finalize_options()
cmd.run()
found = os.listdir(cmd.build_lib)
self.assertEqual(sorted(found), ['__pycache__', 'boiledeggs.py'])
found = os.listdir(os.path.join(cmd.build_lib, '__pycache__'))
self.assertEqual(sorted(found), ['boiledeggs.%s.pyc' % imp.get_tag(),
'boiledeggs.%s.pyo' % imp.get_tag()])
def test_byte_compile_under_B(self):
# make sure byte compilation works under -B (dont_write_bytecode)
self.addCleanup(setattr, sys, 'dont_write_bytecode',
sys.dont_write_bytecode)
sys.dont_write_bytecode = True
self.test_byte_compile()
self.test_byte_compile_optimized()
def test_suite():
return unittest.makeSuite(BuildPyTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")