def test_locate_via_py(monkeypatch):
from tox.interpreters import locate_via_py
def fake_find_exe(exe):
assert exe == "py"
return "py"
def fake_popen(cmd, stdout, stderr):
fake_popen.last_call = cmd[:3]
# need to pipe all stdout to collect the version information & need to
# do the same for stderr output to avoid it being forwarded as the
# current process's output, e.g. when the python launcher reports the
# requested Python interpreter not being installed on the system
assert stdout is subprocess.PIPE
assert stderr is subprocess.PIPE
class proc:
returncode = 0
@staticmethod
def communicate():
return sys.executable.encode(), None
return proc
monkeypatch.setattr(distutils.spawn, "find_executable", fake_find_exe)
monkeypatch.setattr(subprocess, "Popen", fake_popen)
assert locate_via_py("3", "6") == sys.executable
assert fake_popen.last_call == ("py", "-3.6", "-c")
assert locate_via_py("3") == sys.executable
assert fake_popen.last_call == ("py", "-3", "-c")
def test_locate_via_py(monkeypatch):
from tox.interpreters import locate_via_py
def fake_find_exe(exe):
assert exe == 'py'
return 'py'
def fake_popen(cmd, stdout, stderr):
assert cmd[:3] == ('py', '-3.2', '-c')
# need to pipe all stdout to collect the version information & need to
# do the same for stderr output to avoid it being forwarded as the
# current process's output, e.g. when the python launcher reports the
# requested Python interpreter not being installed on the system
assert stdout is subprocess.PIPE
assert stderr is subprocess.PIPE
class proc:
returncode = 0
@staticmethod
def communicate():
return sys.executable.encode(), None
return proc
# Monkeypatch modules to return our faked value
monkeypatch.setattr(distutils.spawn, 'find_executable', fake_find_exe)
monkeypatch.setattr(subprocess, 'Popen', fake_popen)
assert locate_via_py('3', '2') == sys.executable
def test_locate_via_py(monkeypatch):
from tox.interpreters import locate_via_py
def fake_find_exe(exe):
assert exe == 'py'
return 'py'
def fake_popen(cmd, stdout):
assert cmd[:3] == ('py', '-3.2', '-c')
class proc:
returncode = 0
@staticmethod
def communicate():
return sys.executable.encode(), None
return proc
# Monkeypatch modules to return our faked value
monkeypatch.setattr(distutils.spawn, 'find_executable', fake_find_exe)
monkeypatch.setattr(subprocess, 'Popen', fake_popen)
assert locate_via_py('3', '2') == sys.executable