Add tests for tags endpoint

tests/api/routes/test_tags.py

@@ -0,0 +1,20 @@
+import pytest
+from httpx import AsyncClient
+
+from conduit.domain.dtos.article import ArticleDTO
+
+
+@pytest.mark.anyio
+async def test_empty_list_when_no_tags_exist(test_client: AsyncClient) -> None:
+    response = await test_client.get(url="/tags")
+    assert response.json() == {"tags": []}
+
+
+@pytest.mark.anyio
+async def test_list_of_tags_when_article_with_tags_exists(
+    authorized_test_client: AsyncClient, test_article: ArticleDTO
+) -> None:
+    response = await authorized_test_client.get(url="/tags")
+    response_tags = response.json()["tags"]
+    assert len(response_tags) == len(set(test_article.tags))
+    assert all(tag in test_article.tags for tag in response_tags)