Add tests using the fastparquet engine.

bigquery/docs/snippets.py

@@ -30,6 +30,10 @@
 import pytest
 import six
 
+try:
+    import fastparquet
+except (ImportError, AttributeError):
+    fastparquet = None
 try:
     import pandas
 except (ImportError, AttributeError):
@@ -3108,8 +3112,15 @@ def test_list_rows_as_dataframe(client):
 
 
 @pytest.mark.skipif(pandas is None, reason="Requires `pandas`")
-@pytest.mark.skipif(pyarrow is None, reason="Requires `pyarrow`")
-def test_load_table_from_dataframe(client, to_delete):
+@pytest.mark.parametrize("parquet_engine", ["pyarrow", "fastparquet"])
+def test_load_table_from_dataframe(client, to_delete, parquet_engine):
+    if parquet_engine == "pyarrow" and pyarrow is None:
+        pytest.skip("Requires `pyarrow`")
+    if parquet_engine == "fastparquet" and fastparquet is None:
+        pytest.skip("Requires `fastparquet`")
+
+    pandas.set_option("io.parquet.engine", parquet_engine)
+
     dataset_id = "load_table_from_dataframe_{}".format(_millis())
     dataset = bigquery.Dataset(client.dataset(dataset_id))
     client.create_dataset(dataset)

bigquery/noxfile.py

@@ -123,7 +123,7 @@ def snippets(session):
         session.install('-e', local_dep)
     session.install('-e', os.path.join('..', 'storage'))
     session.install('-e', os.path.join('..', 'test_utils'))
-    session.install('-e', '.[pandas, pyarrow]')
+    session.install('-e', '.[pandas, pyarrow, fastparquet]')
 
     # Run py.test against the snippets tests.
     session.run(