docs: add code snippets for imported tensorflow model (#679)

Author: ashleyxuu

samples/snippets/imported_tensorflow_model_test.py

@@ -0,0 +1,43 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (t
+# you may not use this file except in compliance wi
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in
+# distributed under the License is distributed on a
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, eit
+# See the License for the specific language governi
+# limitations under the License.
+
+
+def test_imported_tensorflow_model() -> None:
+    # Determine project id, in this case prefer the one set in the environment
+    # variable GOOGLE_CLOUD_PROJECT (if any)
+    import os
+
+    PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT", "bigframes-dev")
+
+    # [START bigquery_dataframes_imported_tensorflow_tutorial_import_tensorflow_models]
+    import bigframes
+    from bigframes.ml.imported import TensorFlowModel
+
+    bigframes.options.bigquery.project = PROJECT_ID
+    # You can change the location to one of the valid locations: https://cloud.google.com/bigquery/docs/locations#supported_locations
+    bigframes.options.bigquery.location = "US"
+
+    imported_tensorflow_model = TensorFlowModel(
+        model_path="gs://cloud-training-demos/txtclass/export/exporter/1549825580/*"
+    )
+    # [END bigquery_dataframes_imported_tensorflow_tutorial_import_tensorflow_models]
+    assert imported_tensorflow_model is not None
+
+    # [START bigquery_dataframes_imported_tensorflow_tutorial_make_predictions]
+    import bigframes.pandas as bpd
+
+    df = bpd.read_gbq("bigquery-public-data.hacker_news.full")
+    predictions = imported_tensorflow_model.predict(df)
+    predictions.head(5)
+    # [END bigquery_dataframes_imported_tensorflow_tutorial_make_predictions]