def test_qualified_discovery_replaced():
result = QualifiedDiscovery(
preexisting=([
{
"key": "a",
"value": "1"
},
{
"key": "b",
"value": "1"
},
]),
current=([
{
"key": "a",
"value": "1"
},
{
"key": "b",
"value": "2"
},
]),
key=lambda item: item["key"] + ":" + item["value"],
)
assert result.vanished == [{'key': 'b', 'value': '1'}]
assert result.old == [{'key': 'a', 'value': '1'}]
assert result.new == [{'key': 'b', 'value': '2'}]
assert result.present == [{'key': 'a', 'value': '1'}, {'key': 'b', 'value': '2'}]
def test_qualified_discovery():
result = QualifiedDiscovery(
preexisting=(1, 2),
current=(2, 3),
key=lambda x: x,
)
assert result.vanished == [1]
assert result.old == [2]
assert result.new == [3]
assert result.present == [2, 3]
assert list(result.chain_with_qualifier()) == [
("vanished", 1),
("old", 2),
("new", 3),
]
def test_qualified_discovery():
result = QualifiedDiscovery(
preexisting=(1, 2),
current=(2, 3),
key=lambda x: x,
)
assert result.vanished == [1]
assert result.old == [2]
assert result.new == [3]
assert result.present == [2, 3]
def test_qualified_discovery_keeps_old():
# e.g.: same service, different parameters
result = QualifiedDiscovery(
preexisting=["this is old"],
current=["this is new"],
key=lambda x: x[:6],
)
assert not result.vanished
assert result.old == ["this is old"]
assert not result.new
assert result.present == ["this is old"]