chore: use const

Author: ovr

rust/cubesql/pg-srv/src/protocol.rs

@@ -1309,8 +1309,7 @@ mod tests {
                 );
 
                 assert_eq!(
-                    body.to_bind_values(&ParameterDescription::new(vec![PgTypeId::FLOAT8]))
-                        .unwrap(),
+                    body.to_bind_values(&ParameterDescription::new(vec![PgTypeId::FLOAT8]))?,
                     vec![BindValue::Float64(3.14)]
                 );
             }
@@ -1332,16 +1331,13 @@ mod tests {
             FrontendMessage::Bind(body) => {
                 assert_eq!(body.parameter_formats, vec![Format::Binary]);
 
-                let values = body
-                    .to_bind_values(&ParameterDescription::new(vec![PgTypeId::FLOAT8]))
-                    .unwrap();
+                let values =
+                    body.to_bind_values(&ParameterDescription::new(vec![PgTypeId::FLOAT8]))?;
 
-                match &values[0] {
-                    BindValue::Float64(val) => {
-                        assert!((val - 3.14).abs() < 0.0001);
-                    }
-                    _ => panic!("Expected Float64 bind value"),
-                }
+                assert_eq!(
+                    body.to_bind_values(&ParameterDescription::new(vec![PgTypeId::FLOAT8]))?,
+                    vec![BindValue::Float64(3.14)]
+                );
             }
             _ => panic!("Wrong message, must be Bind"),
         }