def test_InstallerContext_ctor():
from xylem.installers import InstallerContext
from .os_detect import OsDetect
context = InstallerContext()
assert context.get_os_detect() is not None
assert isinstance(context.get_os_detect(), OsDetect)
detect = OsDetect()
context = InstallerContext(detect)
assert context.get_os_detect() == detect
assert [] == context.get_installer_keys()
assert [] == context.get_os_keys()
context.verbose = True
assert context.get_os_detect() == detect
assert [] == context.get_installer_keys()
assert [] == context.get_os_keys()
def test_InstallerContext_ctor():
from xylem.installers import InstallerContext
from .os_detect import OsDetect
context = InstallerContext()
assert context.get_os_detect() is not None
assert isinstance(context.get_os_detect(), OsDetect)
detect = OsDetect()
context = InstallerContext(detect)
assert context.get_os_detect() == detect
assert [] == context.get_installer_keys()
assert [] == context.get_os_keys()
context.verbose = True
assert context.get_os_detect() == detect
assert [] == context.get_installer_keys()
assert [] == context.get_os_keys()
def test_InstallerContext_installers():
from xylem.installers import InstallerContext, Installer
from .os_detect import OsDetect
detect = OsDetect()
context = InstallerContext(detect)
context.verbose = True
key = 'fake-apt'
try:
installer = context.get_installer(key)
assert False, "should have raised: %s" % (installer)
except KeyError:
pass
class Foo:
pass
class FakeInstaller(Installer):
pass
class FakeInstaller2(Installer):
pass
# test TypeError on set_installer
try:
context.set_installer(key, 1)
assert False, "should have raised"
except TypeError:
pass
try:
context.set_installer(key, Foo())
assert False, "should have raised"
except TypeError:
pass
try:
# must be instantiated
context.set_installer(key, FakeInstaller)
assert False, "should have raised"
except TypeError:
pass
installer = FakeInstaller()
installer2 = FakeInstaller2()
context.set_installer(key, installer)
assert context.get_installer(key) == installer
assert context.get_installer_keys() == [key]
# repeat with same args
context.set_installer(key, installer)
assert context.get_installer(key) == installer
assert context.get_installer_keys() == [key]
# repeat with new installer
context.set_installer(key, installer2)
assert context.get_installer(key) == installer2
assert context.get_installer_keys() == [key]
# repeat with new key
key2 = 'fake-port'
context.set_installer(key2, installer2)
assert context.get_installer(key2) == installer2
assert set(context.get_installer_keys()) == set([key, key2])
# test installer deletion
key3 = 'fake3'
context.set_installer(key3, installer2)
assert context.get_installer(key3) == installer2
assert set(context.get_installer_keys()) == set([key, key2, key3])
context.set_installer(key3, None)
try:
context.get_installer(key3)
assert False
except KeyError:
pass
assert set(context.get_installer_keys()) == set([key, key2])
def test_InstallerContext_installers():
from xylem.installers import InstallerContext, Installer
from .os_detect import OsDetect
detect = OsDetect()
context = InstallerContext(detect)
context.verbose = True
key = 'fake-apt'
try:
installer = context.get_installer(key)
assert False, "should have raised: %s"%(installer)
except KeyError: pass
class Foo: pass
class FakeInstaller(Installer):
pass
class FakeInstaller2(Installer):
pass
# test TypeError on set_installer
try:
context.set_installer(key, 1)
assert False, "should have raised"
except TypeError: pass
try:
context.set_installer(key, Foo())
assert False, "should have raised"
except TypeError: pass
try:
# must be instantiated
context.set_installer(key, FakeInstaller)
assert False, "should have raised"
except TypeError: pass
installer = FakeInstaller()
installer2 = FakeInstaller2()
context.set_installer(key, installer)
assert context.get_installer(key) == installer
assert context.get_installer_keys() == [key]
# repeat with same args
context.set_installer(key, installer)
assert context.get_installer(key) == installer
assert context.get_installer_keys() == [key]
# repeat with new installer
context.set_installer(key, installer2)
assert context.get_installer(key) == installer2
assert context.get_installer_keys() == [key]
# repeat with new key
key2 = 'fake-port'
context.set_installer(key2, installer2)
assert context.get_installer(key2) == installer2
assert set(context.get_installer_keys()) == set([key, key2])
# test installer deletion
key3 = 'fake3'
context.set_installer(key3, installer2)
assert context.get_installer(key3) == installer2
assert set(context.get_installer_keys()) == set([key, key2, key3])
context.set_installer(key3, None)
try:
context.get_installer(key3)
assert False
except KeyError:
pass
assert set(context.get_installer_keys()) == set([key, key2])
