diff --git a/tests/conftest.py b/tests/conftest.py
index 1c74129c..0d127a11 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -119,6 +119,8 @@ async def lifespan(app: FastAPI):
             exclude_functions=db_settings.exclude_functions,
             exclude_function_schemas=db_settings.exclude_function_schemas,
             spatial=db_settings.only_spatial_tables,
+            spatial_extent=db_settings.spatial_extent,
+            datetime_extent=db_settings.datetime_extent,
         )
         yield
         await close_db_connection(app)
@@ -333,6 +335,56 @@ def app_myschema_public(database_url, monkeypatch):
         yield client
 
 
+@pytest.fixture
+def app_no_extents(database_url, monkeypatch):
+    """Create APP with tables from `myschema` and `public` schema but without
+    calculating the spatial/datetime extents.
+
+    Available tables should come from `myschema` and `public` and functions from `pg_temp`.
+    """
+    postgres_settings = PostgresSettings(database_url=database_url)
+    db_settings = DatabaseSettings(
+        schemas=["myschema", "public"],
+        spatial_extent=False,
+        datetime_extent=False,
+    )
+    sql_settings = CustomSQLSettings(custom_sql_directory=SQL_FUNCTIONS_DIRECTORY)
+
+    app = create_tipg_app(
+        postgres_settings=postgres_settings,
+        db_settings=db_settings,
+        sql_settings=sql_settings,
+    )
+
+    with TestClient(app) as client:
+        yield client
+
+
+@pytest.fixture
+def app_no_spatial_extent(database_url, monkeypatch):
+    """Create APP with tables from `myschema` and `public` schema but without
+    calculating the spatial/datetime extents.
+
+    Available tables should come from `myschema` and `public` and functions from `pg_temp`.
+    """
+    postgres_settings = PostgresSettings(database_url=database_url)
+    db_settings = DatabaseSettings(
+        schemas=["myschema", "public"],
+        spatial_extent=False,
+        datetime_extent=True,
+    )
+    sql_settings = CustomSQLSettings(custom_sql_directory=SQL_FUNCTIONS_DIRECTORY)
+
+    app = create_tipg_app(
+        postgres_settings=postgres_settings,
+        db_settings=db_settings,
+        sql_settings=sql_settings,
+    )
+
+    with TestClient(app) as client:
+        yield client
+
+
 @pytest.fixture
 def app_myschema_public_functions(database_url, monkeypatch):
     """Create APP with only tables from `myschema` schema and functions from `public` schema.
diff --git a/tests/routes/test_collections.py b/tests/routes/test_collections.py
index 4d631c67..0aedf49c 100644
--- a/tests/routes/test_collections.py
+++ b/tests/routes/test_collections.py
@@ -281,3 +281,36 @@ def test_collections_empty(app_empty):
     assert response.status_code == 200
     body = response.json()
     assert not body["collections"]
+
+
+def test_collections_no_extents(app_no_extents):
+    """Test /collections endpoint."""
+    response = app_no_extents.get("/collections/public.landsat_wrs")
+    assert response.status_code == 200
+    body = response.json()
+    assert body["crs"] == ["http://www.opengis.net/def/crs/OGC/1.3/CRS84"]
+    assert body["extent"].get("spatial").get("bbox") == [
+        [
+            -180,
+            -90,
+            180,
+            90,
+        ]
+    ]  # default value
+    assert not body["extent"].get("temporal")
+
+
+def test_collections_no_spatial_extent(app_no_spatial_extent):
+    """Test /collections endpoint."""
+    response = app_no_spatial_extent.get("/collections/public.canada")
+    assert response.status_code == 200
+    body = response.json()
+    assert body["crs"] == ["http://www.opengis.net/def/crs/OGC/1.3/CRS84"]
+    assert body["extent"].get("spatial").get("bbox") == [
+        [
+            -180,
+            -90,
+            180,
+            90,
+        ]
+    ]