chore: add granule_to_sns test

tests/test_granule_to_sns.py

@@ -1,6 +1,7 @@
+import boto3
 import pytest
 
-from granule_to_sns import generate_message
+from granule_to_sns import generate_message, granule_to_sns
 
 
 @pytest.fixture
@@ -91,5 +92,17 @@ def get_message():
     }
 
 
+@pytest.fixture
+def sns_client(mocker):
+    sns_client = boto3.client("sns", region_name="us-west-2")
+    mocker.patch("boto3.client", return_value=sns_client)
+    return sns_client
+
+
 def test_generate_message(get_event, get_message):
     assert generate_message(get_event["input"]["granules"][0]) == get_message
+
+
+def test_granule_to_sns(sns_client, get_event, mocker):
+    mocker.patch.object(sns_client, "publish", return_value={})
+    assert granule_to_sns(get_event, None) == get_event

tox.ini

@@ -5,6 +5,7 @@ minversion = 4.4.6
 [testenv]
 deps =
     pytest>=7
+    pytest-mock>=3.14.0
     -r src/requirements.txt
 commands =
     pytest {tty:--color=yes} {posargs}