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GH-103224: Resolve paths properly in test_sysconfig
To pass tests when executed through a Python symlink.

Co-authored-by: Miro Hrončok <miro@hroncok.cz>
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artemmukhin and hroncok committed Apr 5, 2023
commit 51f02362c45f39f514eb954633202d071725c280
37 changes: 23 additions & 14 deletions Lib/test/test_sysconfig.py
Original file line number Diff line number Diff line change
Expand Up @@ -149,17 +149,21 @@ def test_posix_venv_scheme(self):
'python%d.%d' % sys.version_info[:2],
'site-packages')

# Resolve the paths in prefix
binpath = os.path.join(sys.prefix, binpath)
incpath = os.path.join(sys.prefix, incpath)
libpath = os.path.join(sys.prefix, libpath)
# Resolve the paths in an imaginary venv/ directory
binpath = os.path.join('venv', binpath)
incpath = os.path.join('venv', incpath)
libpath = os.path.join('venv', libpath)

self.assertEqual(binpath, sysconfig.get_path('scripts', scheme='posix_venv'))
self.assertEqual(libpath, sysconfig.get_path('purelib', scheme='posix_venv'))
# Mimic the venv module, set all bases to the venv directory
bases = ('base', 'platbase', 'installed_base', 'installed_platbase')
vars = {base: 'venv' for base in bases}

self.assertEqual(binpath, sysconfig.get_path('scripts', scheme='posix_venv', vars=vars))
self.assertEqual(libpath, sysconfig.get_path('purelib', scheme='posix_venv', vars=vars))

# The include directory on POSIX isn't exactly the same as before,
# but it is "within"
sysconfig_includedir = sysconfig.get_path('include', scheme='posix_venv')
sysconfig_includedir = sysconfig.get_path('include', scheme='posix_venv', vars=vars)
self.assertTrue(sysconfig_includedir.startswith(incpath + os.sep))

def test_nt_venv_scheme(self):
Expand All @@ -169,14 +173,19 @@ def test_nt_venv_scheme(self):
incpath = 'Include'
libpath = os.path.join('Lib', 'site-packages')

# Resolve the paths in prefix
binpath = os.path.join(sys.prefix, binpath)
incpath = os.path.join(sys.prefix, incpath)
libpath = os.path.join(sys.prefix, libpath)
# Resolve the paths in an imaginary venv\ directory
venv = 'venv'
binpath = os.path.join(venv, binpath)
incpath = os.path.join(venv, incpath)
libpath = os.path.join(venv, libpath)

# Mimic the venv module, set all bases to the venv directory
bases = ('base', 'platbase', 'installed_base', 'installed_platbase')
vars = {base: 'venv' for base in bases}

self.assertEqual(binpath, sysconfig.get_path('scripts', scheme='nt_venv'))
self.assertEqual(incpath, sysconfig.get_path('include', scheme='nt_venv'))
self.assertEqual(libpath, sysconfig.get_path('purelib', scheme='nt_venv'))
self.assertEqual(binpath, sysconfig.get_path('scripts', scheme='nt_venv', vars=vars))
self.assertEqual(incpath, sysconfig.get_path('include', scheme='nt_venv', vars=vars))
self.assertEqual(libpath, sysconfig.get_path('purelib', scheme='nt_venv', vars=vars))

def test_venv_scheme(self):
if sys.platform == 'win32':
Expand Down