WIP: Add an end-to-end GGNN test.

programl/task/dataflow/BUILD

@@ -161,6 +161,16 @@ py_binary(
     ],
 )
 
+py_test(
+    name = "train_ggnn_test",
+    srcs = ["train_ggnn_test.py"],
+    data = ["//programl/test/data:reachability_dataflow_dataset"],
+    deps = [
+        ":train_ggnn",
+        "//third_party/py/labm8",
+    ],
+)
+
 py_binary(
     name = "train_lstm",
     srcs = ["train_lstm.py"],

programl/task/dataflow/train_ggnn_test.py

@@ -0,0 +1,51 @@
+# Copyright 2019-2020 the ProGraML authors.
+#
+# Contact Chris Cummins <[email protected]>.
+#
+# 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
+#
+#    http://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 subprocess
+import sys
+
+from labm8.py import bazelutil, test
+
+TRAIN_GGNN = bazelutil.DataPath("programl/programl/task/dataflow/train_ggnn")
+
+
+REACHABILITY_DATAFLOW_DATASET = bazelutil.DataArchive(
+    "programl/programl/test/data/reachability_dataflow_dataset.tar.bz2"
+)
+
+
+def test_reachability_end_to_end():
+    with REACHABILITY_DATAFLOW_DATASET as d:
+        p = subprocess.Popen(
+            [
+                TRAIN_GGNN,
+                f"--path={d}",
+                "--analysis",
+                "reachability",
+                "--limit_max_data_flow_steps",
+                "--layer_timesteps=10",
+                "--val_graph_count=10",
+                "--val_seed=204",
+                "--train_graph_counts=10,20",
+                "--batch_size=8",
+            ]
+        )
+        p.communicate()
+        if p.returncode:
+            sys.exit(1)
+
+
+if __name__ == "__main__":
+    test.Main()