def test_validate_link_bad_bandwidth():
"""Test validation of a demand YAML document containing a link with a bad bandwidth."""
document = io.StringIO("paths:\n"
"- name: alice-to-bob\n"
" end-point-1: alice\n"
" end-point-2: bob\n"
" bandwidth: -10\n"
" fidelity: 0.95\n")
network = network_yaml.read_network_from_yaml_file("tests/network-valid.yaml")
with pytest.raises(demand_yaml.ReadDemandYamlError):
_demand = demand_yaml.read_demand_from_yaml_stream(document, network)
document = io.StringIO("paths:\n"
"- name: alice-to-bob\n"
" end-point-1: alice\n"
" end-point-2: bob\n"
" bandwidth: 0\n"
" fidelity: 0.95\n")
with pytest.raises(demand_yaml.ReadDemandYamlError):
_demand = demand_yaml.read_demand_from_yaml_stream(document, network)
def test_valid_demand_string():
"""Test reading a valid demand YAML string."""
document = io.StringIO("paths:\n"
"- name: alice-to-bob\n"
" end-point-1: alice\n"
" end-point-2: bob\n"
" bandwidth: 100\n"
" fidelity: 0.95\n")
network = network_yaml.read_network_from_yaml_file("tests/network-valid.yaml")
_demand = demand_yaml.read_demand_from_yaml_stream(document, network)
def test_validate_link_bad_fidelity():
"""Test validation of a demand YAML document containing a link with a bad fidelity."""
document = io.StringIO("paths:\n"
"- name: alice-to-bob\n"
" end-point-1: alice\n"
" end-point-2: bob\n"
" bandwidth: 100\n"
" fidelity: -0.1\n")
network = network_yaml.read_network_from_yaml_file("tests/network-valid.yaml")
# TODO: Be consistent in what exception is raides
with pytest.raises(AssertionError):
_demand = demand_yaml.read_demand_from_yaml_stream(document, network)
document = io.StringIO("paths:\n"
"- name: alice-to-bob\n"
" end-point-1: alice\n"
" end-point-2: bob\n"
" bandwidth: 100\n"
" fidelity: 0.0\n")
with pytest.raises(AssertionError):
_demand = demand_yaml.read_demand_from_yaml_stream(document, network)
def test_validate_link_bad_end_point_2():
"""Test validation of a demand YAML document containing a link with a bad end-point-2."""
document = io.StringIO("paths:\n"
"- name: path-with-bad-end-point-2\n"
" end-point-1: alice\n"
" end-point-2: non-existing-router\n"
" bandwidth: 100\n"
" fidelity: 0.95\n")
network = network_yaml.read_network_from_yaml_file("tests/network-valid.yaml")
with pytest.raises(demand_yaml.ReadDemandYamlError):
_demand = demand_yaml.read_demand_from_yaml_stream(document, network)
def test_validate_bad_attribute():
"""Test validation of a demand YAML document with a bad attribute."""
document = io.StringIO("paths:\n"
"- name: alice-to-bob\n"
" a-bad-attribute: alice\n"
" end-point-2: bob\n"
" bandwidth: 100\n"
" fidelity: 0.95\n")
network = network_yaml.read_network_from_yaml_file("tests/network-valid.yaml")
with pytest.raises(demand_yaml.ReadDemandYamlError):
_demand = demand_yaml.read_demand_from_yaml_stream(document, network)
def test_parse_bad_yaml():
"""Test parsing of an demand YAML document which is not valid YAML."""
document = io.StringIO("paths:\n"
"- name: alice-to-bob\n"
" This is not valid YAML\n"
" end-point-2: bob\n"
" bandwidth: 100\n"
" fidelity: 0.95\n")
network = network_yaml.read_network_from_yaml_file("tests/network-valid.yaml")
with pytest.raises(demand_yaml.ReadDemandYamlError):
_demand = demand_yaml.read_demand_from_yaml_stream(document, network)