mentat/edn/tests/serde_support.rs

// Copyright 2018 Mozilla
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
// this file except in compliance with the License. You may obtain a copy of the
// License at http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

#![cfg(feature = "serde_support")]

extern crate serde_json;
extern crate serde_test;

extern crate edn;
use edn::symbols::Keyword;
use serde_test::{assert_tokens, Token};

#[cfg(feature = "serde_support")]
#[test]
fn test_serialize_keyword() {
    let kw = Keyword::namespaced("foo", "bar");
    assert_tokens(
        &kw,
        &[
            Token::NewtypeStruct { name: "Keyword" },
            Token::Struct {
                name: "NamespaceableName",
                len: 2,
            },
            Token::Str("namespace"),
            Token::Some,
            Token::BorrowedStr("foo"),
            Token::Str("name"),
            Token::BorrowedStr("bar"),
            Token::StructEnd,
        ],
    );
}

#[cfg(feature = "serde_support")]
#[test]
fn test_deserialize_keyword() {
    let json = r#"{"name": "foo", "namespace": "bar"}"#;
    let kw = serde_json::from_str::<Keyword>(json).unwrap();
    assert_eq!(kw.name(), "foo");
    assert_eq!(kw.namespace(), Some("bar"));

    let bad_ns_json = r#"{"name": "foo", "namespace": ""}"#;
    let not_kw = serde_json::from_str::<Keyword>(bad_ns_json);
    assert!(not_kw.is_err());

    let bad_ns_json = r#"{"name": "", "namespace": "bar"}"#;
    let not_kw = serde_json::from_str::<Keyword>(bad_ns_json);
    assert!(not_kw.is_err());
}