feat: refactor to FastAPI architecture v2.0

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

tests/test_api.py

@@ -0,0 +1,180 @@
+"""
+API endpoint tests using FastAPI TestClient.
+"""
+
+import io
+import json
+import pandas as pd
+import pytest
+from fastapi.testclient import TestClient
+
+from app.main import app
+
+
+@pytest.fixture
+def client():
+    return TestClient(app)
+
+
+def make_excel_bytes(df: pd.DataFrame) -> bytes:
+    bio = io.BytesIO()
+    with pd.ExcelWriter(bio, engine='openpyxl') as writer:
+        df.to_excel(writer, index=False)
+    return bio.getvalue()
+
+
+def test_health(client):
+    r = client.get("/api/health")
+    assert r.status_code == 200
+    data = r.json()
+    assert data["status"] == "ok"
+    assert data["version"] == "2.0.0"
+
+
+def test_root_returns_html(client):
+    r = client.get("/")
+    assert r.status_code == 200
+    assert "text/html" in r.headers["content-type"]
+    assert "Scenar Creator" in r.text
+
+
+def test_validate_valid(client):
+    doc = {
+        "event": {"title": "Test", "detail": "Detail"},
+        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
+        "blocks": [{
+            "datum": "2025-11-13",
+            "zacatek": "09:00:00",
+            "konec": "10:00:00",
+            "program": "Opening",
+            "typ": "WS"
+        }]
+    }
+    r = client.post("/api/validate", json=doc)
+    assert r.status_code == 200
+    data = r.json()
+    assert data["valid"] is True
+    assert data["errors"] == []
+
+
+def test_validate_unknown_type(client):
+    doc = {
+        "event": {"title": "Test", "detail": "Detail"},
+        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
+        "blocks": [{
+            "datum": "2025-11-13",
+            "zacatek": "09:00:00",
+            "konec": "10:00:00",
+            "program": "Opening",
+            "typ": "UNKNOWN"
+        }]
+    }
+    r = client.post("/api/validate", json=doc)
+    assert r.status_code == 200
+    data = r.json()
+    assert data["valid"] is False
+    assert any("UNKNOWN" in e for e in data["errors"])
+
+
+def test_validate_bad_time_order(client):
+    doc = {
+        "event": {"title": "Test", "detail": "Detail"},
+        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
+        "blocks": [{
+            "datum": "2025-11-13",
+            "zacatek": "10:00:00",
+            "konec": "09:00:00",
+            "program": "Bad",
+            "typ": "WS"
+        }]
+    }
+    r = client.post("/api/validate", json=doc)
+    assert r.status_code == 200
+    data = r.json()
+    assert data["valid"] is False
+
+
+def test_import_excel(client):
+    df = pd.DataFrame({
+        'Datum': [pd.Timestamp('2025-11-13').date()],
+        'Zacatek': ['09:00'],
+        'Konec': ['10:00'],
+        'Program': ['Test Program'],
+        'Typ': ['WORKSHOP'],
+        'Garant': ['John'],
+        'Poznamka': ['Note']
+    })
+
+    content = make_excel_bytes(df)
+    r = client.post(
+        "/api/import-excel",
+        files={"file": ("test.xlsx", content, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")},
+        data={"title": "Imported Event", "detail": "From Excel"}
+    )
+
+    assert r.status_code == 200
+    data = r.json()
+    assert data["success"] is True
+    assert data["document"] is not None
+    assert data["document"]["event"]["title"] == "Imported Event"
+    assert len(data["document"]["blocks"]) == 1
+
+
+def test_generate_excel(client):
+    doc = {
+        "event": {"title": "Test Event", "detail": "Test Detail"},
+        "program_types": [{"code": "WS", "description": "Workshop", "color": "#0070C0"}],
+        "blocks": [{
+            "datum": "2025-11-13",
+            "zacatek": "09:00:00",
+            "konec": "10:00:00",
+            "program": "Opening",
+            "typ": "WS",
+            "garant": "John",
+            "poznamka": "Note"
+        }]
+    }
+    r = client.post("/api/generate-excel", json=doc)
+    assert r.status_code == 200
+    assert "spreadsheetml" in r.headers["content-type"]
+    assert len(r.content) > 0
+
+
+def test_generate_excel_no_blocks(client):
+    doc = {
+        "event": {"title": "Test", "detail": "Detail"},
+        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
+        "blocks": []
+    }
+    r = client.post("/api/generate-excel", json=doc)
+    assert r.status_code == 422
+
+
+def test_export_json(client):
+    doc = {
+        "event": {"title": "Test", "detail": "Detail"},
+        "program_types": [{"code": "WS", "description": "Workshop", "color": "#FF0000"}],
+        "blocks": [{
+            "datum": "2025-11-13",
+            "zacatek": "09:00:00",
+            "konec": "10:00:00",
+            "program": "Opening",
+            "typ": "WS"
+        }]
+    }
+    r = client.post("/api/export-json", json=doc)
+    assert r.status_code == 200
+    data = r.json()
+    assert data["event"]["title"] == "Test"
+    assert len(data["blocks"]) == 1
+
+
+def test_template_download(client):
+    r = client.get("/api/template")
+    # Template might not exist in test env, but endpoint should work
+    assert r.status_code in [200, 404]
+
+
+def test_swagger_docs(client):
+    r = client.get("/docs")
+    assert r.status_code == 200