fixed remove issue, made items avaiable for available view

trade-hub/backend/tests/test_inventory.py

@@ -60,6 +60,7 @@ def test_add_creates_enriched_entry():
     assert entry["name"] == "Anvil Carrack"
     assert entry["category"] == "ships"
     assert entry["quantity"] == 1
+    assert entry["visibility"] == "private"
     assert entry["available"] is True
     assert entry["manufacturer"]["code"] == "ANVL"
 
@@ -105,6 +106,43 @@ def test_patch_updates_quantity_and_notes():
     assert body["notes"] == "hangar 3"
 
 
+def test_visibility_toggles_between_private_and_available():
+    client = authed_client()
+    assert add(client, CARROCK).status_code == 201
+
+    resp = client.patch(
+        f"/api/v1/me/inventory/{CARROCK}", json={"visibility": "available"}
+    )
+    assert resp.status_code == 200
+    assert resp.json()["visibility"] == "available"
+    listed = client.get("/api/v1/me/inventory").json()["items"]
+    assert listed[0]["visibility"] == "available"
+
+    back = client.patch(
+        f"/api/v1/me/inventory/{CARROCK}", json={"visibility": "private"}
+    )
+    assert back.json()["visibility"] == "private"
+
+
+def test_patch_rejects_unknown_visibility():
+    client = authed_client()
+    assert add(client, CARROCK).status_code == 201
+    resp = client.patch(f"/api/v1/me/inventory/{CARROCK}", json={"visibility": "public"})
+    assert resp.status_code == 422
+
+
+def test_visibility_is_kept_when_quantity_changes_and_item_is_readded():
+    client = authed_client()
+    add(client, CARROCK)
+    client.patch(f"/api/v1/me/inventory/{CARROCK}", json={"visibility": "available"})
+
+    client.patch(f"/api/v1/me/inventory/{CARROCK}", json={"quantity": 3})
+    assert add(client, CARROCK, quantity=1).status_code == 200
+    entry = client.get("/api/v1/me/inventory").json()["items"][0]
+    assert entry["quantity"] == 4
+    assert entry["visibility"] == "available"
+
+
 def test_patch_unknown_entry_is_not_found():
     client = authed_client()
     assert client.patch(f"/api/v1/me/inventory/{CARROCK}", json={"quantity": 2}).status_code == 404