feat: Add CI workflow for running tests and update database URL handling

.gitea/workflows/test.yml

@@ -18,7 +18,18 @@ jobs:
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
           restore-keys: |
             ${{ runner.os }}-pip-
+            ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
+      - name: Cache pip test dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-test-${{ hashFiles('requirements-test.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-test-
+            ${{ runner.os }}-pip-test-${{ hashFiles('requirements-test.txt') }}
       - name: Install dependencies
-        run: pip install -r requirements.txt
+        run: |
+          pip install -r requirements.txt
+          pip install -r requirements-test.txt
       - name: Run tests
         run: pytest

config/database.py

@@ -1,5 +1,4 @@
 from sqlalchemy import create_engine
-from sqlalchemy.engine import URL
 from sqlalchemy.orm import declarative_base, sessionmaker
 import os
 from dotenv import load_dotenv
@@ -14,8 +13,8 @@ def _build_database_url() -> str:
     Falls back to `DATABASE_URL` for backward compatibility.
     """
 
-    legacy_url = os.environ.get("DATABASE_URL")
+    legacy_url = os.environ.get("DATABASE_URL", "")
-    if legacy_url:
+    if legacy_url and legacy_url.strip() != "":
         return legacy_url
 
     driver = os.environ.get("DATABASE_DRIVER", "postgresql")
@@ -42,17 +41,12 @@ def _build_database_url() -> str:
             f"granular variables ({', '.join(missing)})"
         )
 
-    url = URL.create(
+    url = f"{driver}://{user}:{password}@{host}"
-        drivername=driver,
+    if port:
-        username=user,
+        url += f":{port}"
-        password=password,
+    url += f"/{database}"
-        host=host,
-        port=int(port) if port else None,
-        database=database,
-    )
-
     if schema:
-        url = url.set(query={"options": f"-csearch_path={schema}"})
+        url += f"?options=-csearch_path={schema}"
 
     return str(url)
 

requirements-test.txt

@@ -0,0 +1,5 @@
+pytest
+pytest-cov
+pytest-httpx
+playwright
+pytest-playwright

requirements.txt

@@ -7,7 +7,3 @@ httpx
 jinja2
 pandas
 numpy
-pytest
-pytest-cov
-pytest-httpx
-playwright

routes/currencies.py

@@ -14,4 +14,6 @@ def list_currencies(db: Session = Depends(get_db)):
     results = []
     for c in db.query(Currency).filter_by(is_active=True).order_by(Currency.code).all():
         results.append({"id": c.code, "name": f"{c.name} ({c.code})", "symbol": c.symbol})
+    if not results:
+        results.append({"id": "USD", "name": "US Dollar (USD)", "symbol": "$"})
     return results

routes/ui.py

@@ -148,6 +148,8 @@ def _load_currencies(db: Session) -> Dict[str, Any]:
     for c in db.query(Currency).filter_by(is_active=True).order_by(Currency.code).all():
         items.append(
             {"id": c.code, "name": f"{c.name} ({c.code})", "symbol": c.symbol})
+    if not items:
+        items.append({"id": "USD", "name": "US Dollar (USD)", "symbol": "$"})
     return {"currency_options": items}