test: test on Python 3.9

docs/conf.py

@@ -345,10 +345,10 @@
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {
-    "python": ("http://python.readthedocs.org/en/latest/", None),
-    "google-auth": ("https://google-auth.readthedocs.io/en/stable", None),
+    "python": ("https://python.readthedocs.org/en/latest/", None),
+    "google-auth": ("https://googleapis.dev/python/google-auth/latest/", None),
     "google.api_core": ("https://googleapis.dev/python/google-api-core/latest/", None,),
-    "grpc": ("https://grpc.io/grpc/python/", None),
+    "grpc": ("https://grpc.github.io/grpc/python/", None),
     "proto-plus": ("https://proto-plus-python.readthedocs.io/en/latest/", None),
 }
 

noxfile.py

@@ -28,7 +28,7 @@
 
 DEFAULT_PYTHON_VERSION = "3.8"
 SYSTEM_TEST_PYTHON_VERSIONS = ["3.8"]
-UNIT_TEST_PYTHON_VERSIONS = ["3.6", "3.7", "3.8"]
+UNIT_TEST_PYTHON_VERSIONS = ["3.6", "3.7", "3.8", "3.9"]
 
 
 @nox.session(python=DEFAULT_PYTHON_VERSION)
@@ -75,7 +75,10 @@ def default(session):
     session.install(
         "mock", "pytest", "pytest-cov",
     )
-    session.install("-e", ".[fastavro,pandas,pyarrow]")
+    extras = "fastavro,pandas,pyarrow"
+    if session.python == "3.9":
+        extras = "fastavro,pandas"
+    session.install("-e", f".[{extras}]")
 
     # Run py.test against the unit tests.
     session.run(
@@ -129,7 +132,10 @@ def system(session):
     session.install(
         "mock", "pytest", "google-cloud-testutils",
     )
-    session.install("-e", ".[fastavro,pandas,pyarrow]")
+    extras = "fastavro,pandas,pyarrow"
+    if session.python == "3.9":
+        extras = "fastavro,pandas"
+    session.install("-e", f".[{extras}]")
 
     # Run py.test against the system tests.
     if system_test_exists:

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-bigquery-storage.git",
-        "sha": "7cf4f32abde1436fbe6c0848647b4ff703e60f85"
+        "sha": "994a7c1cb1f8008e630d2325a9c168001e5081b4"
       }
     },
     {
@@ -19,14 +19,14 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "1f1148d3c7a7a52f0c98077f976bd9b3c948ee2b"
+        "sha": "9a7d9fbb7045c34c9d3d22c1ff766eeae51f04c9"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "1f1148d3c7a7a52f0c98077f976bd9b3c948ee2b"
+        "sha": "9a7d9fbb7045c34c9d3d22c1ff766eeae51f04c9"
       }
     }
   ],

tests/unit/helpers.py

@@ -0,0 +1,73 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright 2018 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the 'License');
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an 'AS IS' BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import datetime
+import decimal
+
+import pytz
+
+
+SCALAR_COLUMNS = [
+    {"name": "int_col", "type": "int64"},
+    {"name": "float_col", "type": "float64"},
+    {"name": "num_col", "type": "numeric"},
+    {"name": "bool_col", "type": "bool"},
+    {"name": "str_col", "type": "string"},
+    {"name": "bytes_col", "type": "bytes"},
+    {"name": "date_col", "type": "date"},
+    {"name": "time_col", "type": "time"},
+    {"name": "ts_col", "type": "timestamp"},
+]
+SCALAR_COLUMN_NAMES = [field["name"] for field in SCALAR_COLUMNS]
+SCALAR_BLOCKS = [
+    [
+        {
+            "int_col": 123,
+            "float_col": 3.14,
+            "num_col": decimal.Decimal("9.99"),
+            "bool_col": True,
+            "str_col": "hello world",
+            "bytes_col": b"ascii bytes",
+            "date_col": datetime.date(1998, 9, 4),
+            "time_col": datetime.time(12, 0),
+            "ts_col": datetime.datetime(2000, 1, 1, 5, 0, tzinfo=pytz.utc),
+        },
+        {
+            "int_col": 456,
+            "float_col": 2.72,
+            "num_col": decimal.Decimal("0.99"),
+            "bool_col": False,
+            "str_col": "hallo welt",
+            "bytes_col": b"\xbb\xee\xff",
+            "date_col": datetime.date(1995, 3, 2),
+            "time_col": datetime.time(13, 37),
+            "ts_col": datetime.datetime(1965, 4, 3, 2, 1, tzinfo=pytz.utc),
+        },
+    ],
+    [
+        {
+            "int_col": 789,
+            "float_col": 1.23,
+            "num_col": decimal.Decimal("5.67"),
+            "bool_col": True,
+            "str_col": u"こんにちは世界",
+            "bytes_col": b"\x54\x69\x6d",
+            "date_col": datetime.date(1970, 1, 1),
+            "time_col": datetime.time(16, 20),
+            "ts_col": datetime.datetime(1991, 8, 25, 20, 57, 8, tzinfo=pytz.utc),
+        }
+    ],
+]