fix: ensure created_after_date is string before date comparison

Fixes #92

This will handle ensure the value is never None.  If the string
does not match %Y-%m-%d format it will throw a ValueError as expected.

- [x] add tests to specifically cover case with string is 2020-01-01

Signed-off-by: jmeridth <[email protected]>

Author: jmeridth

env.py

@@ -54,7 +54,7 @@ def get_env_vars() -> tuple[
     str,
     str,
     str,
-    str | None,
+    str,
     bool,
     str,
     str | None,
@@ -184,7 +184,7 @@ def get_env_vars() -> tuple[
     else:
         commit_message = "Create dependabot.yaml"
 
-    created_after_date = os.getenv("CREATED_AFTER_DATE")
+    created_after_date = os.getenv("CREATED_AFTER_DATE", "")
     # make sure that created_after_date is a date in the format YYYY-MM-DD
     if created_after_date and len(created_after_date) != 10:
         raise ValueError("CREATED_AFTER_DATE environment variable not in YYYY-MM-DD")

test_env.py

@@ -140,7 +140,7 @@ def test_get_env_vars_optional_values(self):
             "Dependabot could be enabled for this repository. \
 Please enable it by merging this pull request so that \
 we can keep our dependencies up to date and secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -192,7 +192,7 @@ def test_get_env_vars_auth_with_github_app_installation(self):
             "Dependabot could be enabled for this repository. Please enable it by merging "
             "this pull request so that we can keep our dependencies up to date and "
             "secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -252,7 +252,7 @@ def test_get_env_vars_with_repos_no_dry_run(self):
             "Dependabot could be enabled for this repository. \
 Please enable it by merging this pull request so that \
 we can keep our dependencies up to date and secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -290,7 +290,7 @@ def test_get_env_vars_with_repos_disabled_security_updates(self):
             "Dependabot could be enabled for this repository. \
 Please enable it by merging this pull request so that \
 we can keep our dependencies up to date and secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -329,7 +329,7 @@ def test_get_env_vars_with_repos_filter_visibility_multiple_values(self):
             "Dependabot could be enabled for this repository. \
 Please enable it by merging this pull request so that \
 we can keep our dependencies up to date and secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -368,7 +368,7 @@ def test_get_env_vars_with_repos_filter_visibility_single_value(self):
             "Dependabot could be enabled for this repository. \
 Please enable it by merging this pull request so that \
 we can keep our dependencies up to date and secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -437,7 +437,7 @@ def test_get_env_vars_with_repos_filter_visibility_no_duplicates(self):
             "Dependabot could be enabled for this repository. \
 Please enable it by merging this pull request so that \
 we can keep our dependencies up to date and secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -477,7 +477,7 @@ def test_get_env_vars_with_repos_exempt_ecosystems(self):
             "Dependabot could be enabled for this repository. \
 Please enable it by merging this pull request so that \
 we can keep our dependencies up to date and secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -516,7 +516,7 @@ def test_get_env_vars_with_no_batch_size(self):
             "Dependabot could be enabled for this repository. \
 Please enable it by merging this pull request so that \
 we can keep our dependencies up to date and secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -556,7 +556,7 @@ def test_get_env_vars_with_batch_size(self):
             "Dependabot could be enabled for this repository. \
 Please enable it by merging this pull request so that \
 we can keep our dependencies up to date and secure.",
-            None,
+            "",
             False,
             "Create dependabot.yaml",
             None,
@@ -601,6 +601,44 @@ def test_get_env_vars_with_invalid_batch_size_str(self):
         with self.assertRaises(ValueError):
             get_env_vars()
 
+    @patch.dict(
+        os.environ,
+        {
+            "ORGANIZATION": "my_organization",
+            "GH_TOKEN": "my_token",
+            "CREATED_AFTER_DATE": "2020-01-01",
+        },
+        clear=True,
+    )
+    def test_get_env_vars_with_created_after_date_of_2020_01_01(self):
+        """Test that filter_visibility is set correctly when there are duplicate values"""
+        expected_result = (
+            "my_organization",
+            [],
+            None,
+            None,
+            b"",
+            "my_token",
+            "",
+            [],
+            "pull",
+            "Enable Dependabot",
+            "Dependabot could be enabled for this repository. \
+Please enable it by merging this pull request so that \
+we can keep our dependencies up to date and secure.",
+            "2020-01-01",
+            False,
+            "Create dependabot.yaml",
+            None,
+            False,
+            ["internal", "private", "public"],
+            None,
+            True,
+            [],
+        )
+        result = get_env_vars()
+        self.assertEqual(result, expected_result)
+
 
 if __name__ == "__main__":
     unittest.main()

test_evergreen.py

@@ -584,7 +584,7 @@ class TestIsRepoCreateDateBeforeCreatedAfterDate(unittest.TestCase):
     """Test the is_repo_create_date_before_created_after_date function in evergreen.py"""
 
     def test_is_repo_create_date_before_created_after_date(self):
-        """Test the repo.created_at date is before created_after_date."""
+        """Test the repo.created_at date is before created_after_date and has timezone."""
         repo_created_at = "2020-01-01T05:00:00Z"
         created_after_date = "2021-01-01"
 
@@ -593,7 +593,7 @@ def test_is_repo_create_date_before_created_after_date(self):
         self.assertTrue(result)
 
     def test_is_repo_create_date_is_after_created_after_date(self):
-        """Test the repo.created_at date is after created_after_date."""
+        """Test the repo.created_at date is after created_after_date and has timezone."""
         repo_created_at = "2022-01-01T05:00:00Z"
         created_after_date = "2021-01-01"
 
@@ -602,7 +602,7 @@ def test_is_repo_create_date_is_after_created_after_date(self):
         self.assertFalse(result)
 
     def test_is_repo_created_date_has_no_time_zone(self):
-        """Test the repo.created_at date is after created_after_date."""
+        """Test the repo.created_at date is before created_after_date with no timezone."""
         repo_created_at = "2020-01-01"
         created_after_date = "2021-01-01"
 
@@ -619,6 +619,25 @@ def test_is_created_after_date_is_empty_string(self):
 
         self.assertFalse(result)
 
+    def test_is_repo_created_date_is_before_created_after_date_without_timezene_again(
+        self,
+    ):
+        """Test the repo.created_at date is before created_after_date without timezone again."""
+        repo_created_at = "2018-01-01"
+        created_after_date = "2020-01-01"
+
+        result = is_repo_created_date_before(repo_created_at, created_after_date)
+
+        self.assertTrue(result)
+
+    def test_is_repo_created_date_and_created_after_date_is_not_a_date(self):
+        """Test the repo.created_at date and the created_after_date argument is not a date."""
+        repo_created_at = "2018-01-01"
+        created_after_date = "Not a date"
+
+        with self.assertRaises(ValueError):
+            is_repo_created_date_before(repo_created_at, created_after_date)
+
 
 if __name__ == "__main__":
     unittest.main()