massdash.testing.PandasSnapshotExtension

class massdash.testing.PandasSnapshotExtension

Bases: SingleFileSnapshotExtension

Handles Pandas Snapshots. Snapshots are stored as hdf files and the dataframes are compared using pandas testing methods

matches(*, serialized_data, snapshot_data)

Compares serialized data and snapshot data and returns whether they match.

read_snapshot_data_from_location(*, snapshot_location: str, snapshot_name: str, session_id: str)

Get only the snapshot data from location for assertion

serialize(data: Any, **kwargs: Any) → str

Serializes a python object / data structure into a string to be used for comparison with snapshot data from disk.

classmethod write_snapshot_collection(*, snapshot_collection: SnapshotCollection) → None

Adds the snapshot data to the snapshots in collection location