def _check_nodes_have_same_collection(self):
"""Return True if all nodes have collected the same items.
If collections differ, this method returns False while logging
the collection differences and posting collection errors to
pytest_collectreport hook.
"""
node_collection_items = list(self.registered_collections.items())
first_node, col = node_collection_items[0]
same_collection = True
for node, collection in node_collection_items[1:]:
msg = report_collection_diff(
col, collection, first_node.gateway.id, node.gateway.id
)
if not msg:
continue
same_collection = False
self.log(msg)
if self.config is None:
continue
rep = CollectReport(node.gateway.id, "failed", longrepr=msg, result=[])
self.config.hook.pytest_collectreport(report=rep)
return same_collection
def add_node_collection(self, node, collection):
"""Add the collected test items from a node
Collection is complete once all nodes have submitted their
collection. In this case its pending list is set to an empty
list. When the collection is already completed this
submission is from a node which was restarted to replace a
dead node. In this case we already assign the pending items
here. In either case ``.schedule()`` will instruct the
node to start running the required tests.
"""
assert node in self.node2pending
if not self.collection_is_completed:
self.node2collection[node] = list(collection)
self.node2pending[node] = []
if len(self.node2collection) >= self.numnodes:
self.collection_is_completed = True
elif self._removed2pending:
for deadnode in self._removed2pending:
if deadnode.gateway.spec == node.gateway.spec:
dead_collection = self.node2collection[deadnode]
if collection != dead_collection:
msg = report_collection_diff(dead_collection,
collection,
deadnode.gateway.id,
node.gateway.id)
self.log(msg)
return
pending = self._removed2pending.pop(deadnode)
self.node2pending[node] = pending
break
def add_node_collection(self, node, collection):
"""Add the collected test items from a node.
The collection is stored in the ``.registered_collections`` dictionary.
Called by the hook:
- ``DSession.worker_collectionfinish``.
"""
# Check that add_node() was called on the node before
assert node in self.assigned_work
# A new node has been added later, perhaps an original one died.
if self.collection_is_completed:
# Assert that .schedule() should have been called by now
assert self.collection
# Check that the new collection matches the official collection
if collection != self.collection:
other_node = next(iter(self.registered_collections.keys()))
msg = report_collection_diff(
self.collection, collection, other_node.gateway.id, node.gateway.id
)
self.log(msg)
return
self.registered_collections[node] = list(collection)
def add_node_collection(self, node, collection):
"""Add the collected test items from a node
The collection is stored in the ``.node2collection`` map.
Called by the ``DSession.worker_collectionfinish`` hook.
"""
assert node in self.node2pending
if self.collection_is_completed:
# A new node has been added later, perhaps an original one died.
# .schedule() should have
# been called by now
assert self.collection
if collection != self.collection:
other_node = next(iter(self.node2collection.keys()))
msg = report_collection_diff(self.collection, collection,
other_node.gateway.id,
node.gateway.id)
self.log(msg)
return
self.node2collection[node] = list(collection)
def test_report_collection_diff_different():
"""Test reporting of different collections."""
from_collection = ['aaa', 'bbb', 'ccc', 'YYY']
to_collection = ['aZa', 'bbb', 'XXX', 'ccc']
error_message = (
'Different tests were collected between 1 and 2. The difference is:\n'
'--- 1\n'
'\n'
'+++ 2\n'
'\n'
'@@ -1,4 +1,4 @@\n'
'\n'
'-aaa\n'
'+aZa\n'
' bbb\n'
'+XXX\n'
' ccc\n'
'-YYY')
msg = report_collection_diff(from_collection, to_collection, '1', '2')
assert msg == error_message
def test_report_collection_diff_different() -> None:
"""Test reporting of different collections."""
from_collection = ["aaa", "bbb", "ccc", "YYY"]
to_collection = ["aZa", "bbb", "XXX", "ccc"]
error_message = (
"Different tests were collected between 1 and 2. The difference is:\n"
"--- 1\n"
"\n"
"+++ 2\n"
"\n"
"@@ -1,4 +1,4 @@\n"
"\n"
"-aaa\n"
"+aZa\n"
" bbb\n"
"+XXX\n"
" ccc\n"
"-YYY")
msg = report_collection_diff(from_collection, to_collection, "1", "2")
assert msg == error_message
def test_report_collection_diff_equal():
"""Test reporting of equal collections."""
from_collection = to_collection = ['aaa', 'bbb', 'ccc']
assert report_collection_diff(from_collection, to_collection, 1, 2) is None
def test_report_collection_diff_equal():
"""Test reporting of equal collections."""
from_collection = to_collection = ["aaa", "bbb", "ccc"]
assert report_collection_diff(from_collection, to_collection, 1, 2) is None