diff --git a/backend/src/routes/test_tags.py b/backend/src/routes/test_tags.py
new file mode 100644
index 0000000..c8fbc52
--- /dev/null
+++ b/backend/src/routes/test_tags.py
@@ -0,0 +1,76 @@
+from datetime import datetime
+
+from fastapi.testclient import TestClient
+from fastapi import status
+from sqlmodel import Session, select
+
+from src.models.tag import Tag
+
+
+def test_tag_create(client: TestClient):
+    tag = {"name": "Uni"}
+    response = client.post("/tags/", json=tag)
+    response_data: dict = response.json()
+    assert response.status_code == status.HTTP_201_CREATED
+    assert tag.items() <= response_data.items()  # Is subset, i.e. was all send data saved?
+    assert response_data["id"]  # Not empty?
+
+
+def test_tag_get(client: TestClient, session: Session):
+    # Fill database
+    tag = Tag(name="Uni")
+    session.add(tag)
+    session.commit()
+    # Request data from API
+    response = client.get("/tags/Uni")
+    response_data = response.json()
+    assert response.status_code == status.HTTP_200_OK
+    assert response_data["id"]  # Not empty?
+    assert response_data["name"] == tag.name
+
+
+def test_tag_update(client: TestClient, session: Session):
+    # Fill database
+    tag = Tag(name="Uni")
+    session.add(tag)
+    session.commit()
+    # Perform update via API
+    tag_updates = {"name": "UNI"}
+    response = client.patch("/tags/Uni", json=tag_updates)
+    response_data = response.json()
+    assert response.status_code == status.HTTP_200_OK
+    assert response_data["id"]  # Not empty?
+    assert response_data["name"] == tag_updates["name"]
+
+
+def test_tag_delete(client: TestClient, session: Session):
+    # Fill database
+    tag = Tag(name="Uni")
+    session.add(tag)
+    session.commit()
+    # Delete via API
+    response = client.delete("/tags/Uni")
+    response_data = response.json()
+    assert response.status_code == status.HTTP_204_NO_CONTENT
+    assert session.exec(select(Tag).where(Tag.name == "Uni")).first() is None  # Element deleted from database?
+
+
+def test_tag_get_list(client: TestClient, session: Session):
+    pass
+    # Fill database
+    tag_uni = Tag(name="Uni", creation_date=datetime.now())
+    tag_sport = Tag(name="Sport", creation_date=datetime.now())
+    session.add(tag_uni)
+    session.add(tag_sport)
+    session.commit()
+    # Request data from API
+    response = client.get("/tags/")
+    response_data = response.json()
+    assert response.status_code == status.HTTP_200_OK
+    assert len(response_data) == 2
+
+    assert response_data[0]["name"] == tag_uni.name
+    assert response_data[0]["id"]  # Not empty?
+
+    assert response_data[1]["name"] == tag_sport.name
+    assert response_data[1]["id"]  # Not empty?