def testEmptyArchiveAppend(validBidsI, imageMetadata, tmpdir):
# Create in root with no BIDS-I, then append to make non-empty archive
datasetRoot = Path(tmpdir, testEmptyArchiveAppend.__name__)
archive = BidsArchive(datasetRoot)
archive._appendIncremental(validBidsI)
assert not archive.isEmpty()
assert archiveHasMetadata(archive, imageMetadata)
assert appendDataMatches(archive, validBidsI)
assert isValidBidsArchive(datasetRoot)
def testAppendNoOverwriteDatasetMetadata(tmpdir, validBidsI):
rootPath = Path(tmpdir, "new-dataset")
archive = BidsArchive(rootPath)
EXPECTED_README = "The readme we expect"
validBidsI.readme = EXPECTED_README
archive._appendIncremental(validBidsI)
NEW_README = "The readme we don't expect"
validBidsI.readme = NEW_README
validBidsI.setMetadataField('subject', 'newSubject')
archive._appendIncremental(validBidsI)
with open(os.path.join(rootPath, 'README')) as readme:
readmeText = readme.readlines()
assert len(readmeText) == 1
assert readmeText[0] == EXPECTED_README
def testGetEvents(validBidsI, imageMetadata, tmpdir):
archive = BidsArchive(tmpdir)
archive._appendIncremental(validBidsI)
# Get the events from the archive as a pandas data frame
events = archive.getEvents()[0].get_df()
events = correctEventsFileDatatypes(events)
assert events is not None
# Check the required columns are present in the events file data frame
for column in DEFAULT_EVENTS_HEADERS:
assert column in events.columns
# Check the columns are of the proper types
for column, dtype in BIDS_EVENT_COL_TO_DTYPE.items():
if column in events.columns:
assert events[column].dtype == dtype