def testGetAppendIncremental(oneImageBidsI):
run = BidsRun()
run.appendIncremental(oneImageBidsI)
assert run.getIncremental(0) == oneImageBidsI
NUM_APPENDS = 20
for i in range(1, NUM_APPENDS):
run.appendIncremental(oneImageBidsI)
assert run.getIncremental(i) == oneImageBidsI
def testAppendConflictingEvents(oneImageBidsI, sampleBidsEntities):
run = BidsRun()
run.appendIncremental(oneImageBidsI)
# This should work, as the previous events file is empty so any new data
# shouldn't have a conflict
newEventsData = [{key: data
for key in DEFAULT_EVENTS_HEADERS} for data in range(1)]
oneImageBidsI.events = oneImageBidsI.events.append(newEventsData,
ignore_index=True)
run.appendIncremental(oneImageBidsI)
# This should also work, as they share the same starting row, and the new
# DataFrame just has 5 additional rows
newRowCount = 5
newEventsData = [{key: data
for key in DEFAULT_EVENTS_HEADERS}
for data in range(1, newRowCount + 1)]
oneImageBidsI.events = oneImageBidsI.events.append(newEventsData,
ignore_index=True)
run.appendIncremental(oneImageBidsI)
# This should fail, as rows for same onset times have different values now
with pytest.raises(MetadataMismatchError):
oneImageBidsI.events.iloc[int(newRowCount / 2):] += 1
run.appendIncremental(oneImageBidsI)
assert oneImageBidsI != run.getIncremental(0)
def testAppendConflictingDatasetDescription(oneImageBidsI, sampleBidsEntities):
run = BidsRun()
run.appendIncremental(oneImageBidsI)
oneImageBidsI.datasetDescription["newKey"] = "totally new data"
with pytest.raises(MetadataMismatchError):
run.appendIncremental(oneImageBidsI)
assert oneImageBidsI != run.getIncremental(0)
def testAppendConflictingReadme(oneImageBidsI, sampleBidsEntities):
run = BidsRun()
run.appendIncremental(oneImageBidsI)
oneImageBidsI.readme += "totally new data"
with pytest.raises(MetadataMismatchError):
run.appendIncremental(oneImageBidsI)
assert oneImageBidsI != run.getIncremental(0)
def testGetOutOfBounds(oneImageBidsI):
run = BidsRun()
NUM_APPENDS = 10
for i in range(NUM_APPENDS):
run.appendIncremental(oneImageBidsI)
# This is inbounds due to how negative indexing works
assert run.getIncremental(0) == run.getIncremental(-1 * NUM_APPENDS)
with pytest.raises(IndexError):
run.getIncremental(NUM_APPENDS)
with pytest.raises(IndexError):
run.getIncremental(NUM_APPENDS + 1)
with pytest.raises(IndexError):
run.getIncremental(-1 * NUM_APPENDS - 1)