docs: revise create table cmek sample (#1452)

* docs: revise create table cmek sample

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docs/snippets.py

@@ -168,7 +168,7 @@ def test_create_table_cmek(client, to_delete):
     dataset = bigquery.Dataset(dataset_ref)
     client.create_dataset(dataset)
     to_delete.append(dataset)
-
+    # TODO(Mattix23): When sample is updated in cloud.google.com, delete this one.
     # [START bigquery_create_table_cmek]
     # from google.cloud import bigquery
     # client = bigquery.Client()

samples/snippets/create_table_cmek.py

@@ -0,0 +1,46 @@
+# Copyright 2022 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.
+
+
+def create_table_cmek(table_id: str, kms_key_name: str) -> None:
+    orig_table_id = table_id
+    orig_key_name = kms_key_name
+    # [START bigquery_create_table_cmek]
+    from google.cloud import bigquery
+
+    client = bigquery.Client()
+
+    # TODO(dev): Change table_id to the full name of the table you want to create.
+    table_id = "your-project.your_dataset.your_table_name"
+
+    # Set the encryption key to use for the table.
+    # TODO: Replace this key with a key you have created in Cloud KMS.
+    kms_key_name = "projects/your-project/locations/us/keyRings/test/cryptoKeys/test"
+
+    # [END bigquery_create_table_cmek]
+
+    table_id = orig_table_id
+    kms_key_name = orig_key_name
+
+    # [START bigquery_create_table_cmek]
+    table = bigquery.Table(table_id)
+    table.encryption_configuration = bigquery.EncryptionConfiguration(
+        kms_key_name=kms_key_name
+    )
+    table = client.create_table(table)  # API request
+
+    print(f"Created {table_id}.")
+    print(f"Key: {table.encryption_configuration.kms_key_name}.")
+
+    # [END bigquery_create_table_cmek]

samples/snippets/create_table_cmek_test.py

@@ -0,0 +1,37 @@
+# Copyright 2022 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 typing
+
+import create_table_cmek
+
+if typing.TYPE_CHECKING:
+    import pytest
+
+
+def test_create_table(
+    capsys: "pytest.CaptureFixture[str]",
+    random_table_id: str,
+) -> None:
+
+    kms_key_name = (
+        "projects/cloud-samples-tests/locations/us/keyRings/test/cryptoKeys/test"
+    )
+
+    create_table_cmek.create_table_cmek(random_table_id, kms_key_name)
+
+    out, _ = capsys.readouterr()
+    assert "Created" in out
+    assert random_table_id in out
+    assert kms_key_name in out