chore: initial commit — existing single-user document scanner codebase

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/tests/test_topics.py

@@ -0,0 +1,72 @@
+def test_list_topics_empty(client):
+    resp = client.get("/api/topics")
+    assert resp.status_code == 200
+    assert resp.json()["topics"] == []
+
+
+def test_create_topic(client):
+    resp = client.post("/api/topics", json={"name": "Finance", "description": "Financial docs", "color": "#ff0000"})
+    assert resp.status_code == 200
+    data = resp.json()
+    assert data["name"] == "Finance"
+    assert data["color"] == "#ff0000"
+    assert "id" in data
+
+
+def test_create_topic_deduplication(client):
+    client.post("/api/topics", json={"name": "Finance"})
+    resp = client.post("/api/topics", json={"name": "finance"})  # case-insensitive
+    assert resp.status_code == 200
+    topics = client.get("/api/topics").json()["topics"]
+    assert len(topics) == 1
+
+
+def test_update_topic(client):
+    create = client.post("/api/topics", json={"name": "Old Name"}).json()
+    resp = client.patch(f"/api/topics/{create['id']}", json={"name": "New Name"})
+    assert resp.status_code == 200
+    assert resp.json()["name"] == "New Name"
+
+
+def test_update_topic_not_found(client):
+    resp = client.patch("/api/topics/nonexistent", json={"name": "X"})
+    assert resp.status_code == 404
+
+
+def test_delete_topic(client):
+    create = client.post("/api/topics", json={"name": "ToDelete"}).json()
+    resp = client.delete(f"/api/topics/{create['id']}")
+    assert resp.status_code == 200
+    assert resp.json()["success"] is True
+
+    topics = client.get("/api/topics").json()["topics"]
+    assert not any(t["name"] == "ToDelete" for t in topics)
+
+
+def test_delete_topic_cascades_to_documents(client, sample_txt):
+    # Create a topic
+    topic = client.post("/api/topics", json={"name": "Legal"}).json()
+
+    # Upload doc (no auto classify to control topics manually)
+    with open(sample_txt, "rb") as f:
+        upload = client.post(
+            "/api/documents/upload",
+            files={"file": ("sample.txt", f, "text/plain")},
+            data={"auto_classify": "false"},
+        ).json()
+
+    # Manually set topic on the document via classify endpoint
+    import services.storage as st
+    st.update_document_topics(upload["id"], ["Legal"])
+
+    # Delete topic
+    client.delete(f"/api/topics/{topic['id']}")
+
+    # Verify document no longer has the topic
+    doc = client.get(f"/api/documents/{upload['id']}").json()
+    assert "Legal" not in doc["topics"]
+
+
+def test_delete_topic_not_found(client):
+    resp = client.delete("/api/topics/nonexistent")
+    assert resp.status_code == 404