fix bugs

tests/conftest.py

@@ -1,10 +1,10 @@
 import io
-import json
 import os
 import tempfile
 from pathlib import Path
 
 import pytest
+import yaml
 from PIL import Image as PILImage
 
 from spectra.web.server import create_app
@@ -18,11 +18,16 @@ def app():
     with tempfile.TemporaryDirectory() as tmpdir:
         tmp = Path(tmpdir)
         cache_dir = tmp / "cache"
+        config_path = tmp / "config.yaml"
+
+        # Write a minimal config so ConfigManager writes into the temp dir
+        with open(config_path, "w") as f:
+            yaml.dump({"display": {"saturation": 0.5}}, f)
 
         old_environ = os.environ.get("SPECTRA_CACHE_DIR")
         os.environ["SPECTRA_CACHE_DIR"] = str(cache_dir)
 
-        app = create_app()
+        app = create_app(config_path=str(config_path))
 
         yield app
 

tests/test_api.py

@@ -203,7 +203,6 @@ class TestDisplayAPI:
         resp = client.get("/api/display/status")
         assert resp.status_code == 200
         data = resp.get_json()
-        assert "simulate" in data
         assert "resolution" in data
         assert "pending_trigger" in data
 
@@ -318,12 +317,14 @@ class TestCORSAndErrors:
         data = resp.get_json()
         assert "error" in data
 
-    def test_url_encoded_form_not_accepted(self, client):
+    def test_url_encoded_form_accepted(self, client):
         resp = client.put(
             "/api/config/display/saturation",
             data={"value": "0.5"},
         )
-        assert resp.status_code == 400 or resp.status_code == 200
+        assert resp.status_code == 200
+        resp = client.get("/api/config/display")
+        assert resp.get_json()["saturation"] == 0.5
 
 
 class TestGallery: