feat: add unit test for LDAPSearch

Signed-off-by: Nicolas <32845761+nicoklaus@users.noreply.github.com>

Author: nicoklaus

dje/tests/test_ldap_config.py

@@ -0,0 +1,74 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# DejaCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: AGPL-3.0-only
+# See https://github.com/aboutcode-org/dejacode for support or download.
+# See https://aboutcode.org for more information about AboutCode FOSS projects.
+#
+
+from django.core.exceptions import ImproperlyConfigured
+from django.test import SimpleTestCase
+
+from django_auth_ldap.config import LDAPSearch
+from django_auth_ldap.config import LDAPSearchUnion
+
+from dejacode.ldap_config import build_user_search
+
+
+class BuildUserSearchTestCase(SimpleTestCase):
+    def test_build_user_search_fallback_to_single_search_when_empty(self):
+        result = build_user_search("", "ou=users,dc=example,dc=com", "(uid=%(user)s)")
+        self.assertIsInstance(result, LDAPSearch)
+
+    def test_build_user_search_valid_json_returns_union(self):
+        raw = (
+            '[{"base": "ou=a,dc=example,dc=com", "filter": "(uid=%(user)s)"},'
+            ' {"base": "ou=b,dc=example,dc=com", "filter": "(uid=%(user)s)"}]'
+        )
+        result = build_user_search(raw, "", "")
+        self.assertIsInstance(result, LDAPSearchUnion)
+
+    def test_build_user_search_single_entry_still_returns_union(self):
+        raw = '[{"base": "ou=a,dc=example,dc=com", "filter": "(uid=%(user)s)"}]'
+        result = build_user_search(raw, "", "")
+        self.assertIsInstance(result, LDAPSearchUnion)
+
+    def test_build_user_search_invalid_json_raises(self):
+        with self.assertRaisesMessage(ImproperlyConfigured, "Invalid JSON"):
+            build_user_search("{not json", "", "")
+
+    def test_build_user_search_not_a_list_raises(self):
+        with self.assertRaisesMessage(ImproperlyConfigured, "must be a JSON list"):
+            build_user_search('{"base": "x", "filter": "y"}', "", "")
+
+    def test_build_user_search_empty_list_raises(self):
+        with self.assertRaisesMessage(ImproperlyConfigured, "cannot be empty"):
+            build_user_search("[]", "", "")
+
+    def test_build_user_search_entry_not_object_raises(self):
+        with self.assertRaisesMessage(ImproperlyConfigured, "[0] must be a JSON object"):
+            build_user_search('["not an object"]', "", "")
+
+    def test_build_user_search_missing_base_raises(self):
+        raw = '[{"filter": "(uid=%(user)s)"}]'
+        with self.assertRaisesMessage(
+            ImproperlyConfigured, "[0] must define 'base' and 'filter'"
+        ):
+            build_user_search(raw, "", "")
+
+    def test_build_user_search_missing_filter_raises(self):
+        raw = '[{"base": "ou=a,dc=example,dc=com"}]'
+        with self.assertRaisesMessage(
+            ImproperlyConfigured, "[0] must define 'base' and 'filter'"
+        ):
+            build_user_search(raw, "", "")
+
+    def test_build_user_search_error_index_points_to_bad_entry(self):
+        raw = (
+            '[{"base": "ou=a,dc=example,dc=com", "filter": "(uid=%(user)s)"},'
+            ' {"base": "ou=b,dc=example,dc=com"}]'
+        )
+        with self.assertRaisesMessage(
+            ImproperlyConfigured, "[1] must define 'base' and 'filter'"
+        ):
+            build_user_search(raw, "", "")