Fix duplicated links in resources (#1034)

* Add test for duplicate links

* Remove duplicated links

Closes #1022.
Closes #1023.
Closes #1024.

1 files changed, 25 insertions, 0 deletions

diff --git a/pydis_site/apps/resources/tests/test_resource_data.py b/pydis_site/apps/resources/tests/test_resource_data.py
new file mode 100644
index 00000000..3a96e8b9
--- /dev/null
+++ b/pydis_site/apps/resources/tests/test_resource_data.py
@@ -0,0 +1,25 @@
+import yaml
+from django.test import TestCase
+
+from pydis_site.apps.resources.views import RESOURCES_PATH
+
+
+class TestResourceData(TestCase):
+    """Test data validity of resources."""
+
+    def test_no_duplicate_links(self):
+        """Test that there are no duplicate links in each resource."""
+        for path in RESOURCES_PATH.rglob('*.yaml'):
+            with self.subTest(resource=path.stem):
+                content = yaml.safe_load(path.read_text())
+                url_links = tuple(item['url'] for item in content.get('urls', ()))
+                if 'title_url' in content:
+                    all_links = url_links + (content['title_url'],)
+                else:
+                    all_links = url_links
+
+                self.assertCountEqual(
+                    all_links,
+                    set(all_links),
+                    msg="One or more links are duplicated on the resource",
+                )