def test_command_substitutions():
alice = Host('alice', ip='192.168.6.1')
alice.add_interface('i0', loss='0.1')
node1 = Device('node1', hostname='device1')
node1.add_interface('eth0', type='ethernet', loss='66')
alice.bind(node1)
node1.bind(alice)
alice.interface('i0').bind(node1.interface('eth0'))
node1.interface('eth0').bind(alice.interface('i0'))
host = ConfiguredHost()
host.model = alice
host.device = node1
ct = ConfiguredTest()
ct.hosts = {'alice': host}
g = Generator()
def substitute(input, expect):
assert expect == g._substitute_for_host('alice', input, ct)
yield substitute, 'foo @{alice.ip}', 'foo 192.168.6.1'
yield substitute, 'foo @{alice.bogus}', 'foo @{alice.bogus}'
yield substitute, 'foo @{alice}', 'foo @{alice}'
yield substitute, 'foo @{alice.hostname}', 'foo device1'
yield substitute, 'foo @{node1}', 'foo @{node1}'
yield substitute, 'foo @{node1.hostname}', 'foo @{node1.hostname}'
yield substitute, 'foo @{alice.eth0}', 'foo @{alice.eth0}'
yield substitute, 'foo @{alice.eth0.type}', 'foo @{alice.eth0.type}'
yield substitute, 'foo @{alice.i0.type}', 'foo ethernet'
yield substitute, 'foo @{alice.i0.loss}', 'foo 0.1'
# the name attribute is treated differently, we don't want model names in
# commands, so it should use bound object's name instead
yield substitute, 'foo @{alice.name}', 'foo node1'
yield substitute, 'foo @{alice.i0.name}', 'foo eth0'
yield substitute, 'foo @{alice.i0.loss} @{alice.ip}', 'foo 0.1 192.168.6.1'
yield substitute, 'foo @{}', 'foo @{}'
yield substitute, 'foo @{#$#}', 'foo @{#$#}'
yield substitute, 'foo @{alice.}', 'foo @{alice.}'
yield substitute, 'foo @{...}', 'foo @{...}'
yield substitute, 'foo @{alice.i0.loss.}', 'foo @{alice.i0.loss.}'
def test_host_interface():
h = Host('alice', arg='value')
assert h['name'] == 'alice'
assert h['arg'] == 'value'
i = h.add_interface('eth0', arg='value')
assert i['name'] == 'eth0'
assert i['arg'] == 'value'
assert i == h.interface('eth0')
def test_no_dublicated_interfaces():
h = Host('alice')
h.add_interface('eth0')
py.test.raises(Exceptions.NameExistsError, h.add_interface, 'eth0')