Generate deserialize impls for identifiers

test_suite/tests/test_identifier.rs

@@ -0,0 +1,82 @@
+// Copyright 2017 Serde Developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate serde_derive;
+
+extern crate serde;
+
+extern crate serde_test;
+use serde_test::{Token, assert_de_tokens};
+
+#[test]
+fn test_variant_identifier() {
+    #[derive(Deserialize, Debug, PartialEq)]
+    #[serde(variant_identifier)]
+    enum V {
+        Aaa,
+        Bbb,
+    }
+
+    assert_de_tokens(&V::Aaa, &[Token::U32(0)]);
+    assert_de_tokens(&V::Aaa, &[Token::Str("Aaa")]);
+    assert_de_tokens(&V::Aaa, &[Token::Bytes(b"Aaa")]);
+}
+
+#[test]
+fn test_field_identifier() {
+    #[derive(Deserialize, Debug, PartialEq)]
+    #[serde(field_identifier, rename_all = "snake_case")]
+    enum F {
+        Aaa,
+        Bbb,
+    }
+
+    assert_de_tokens(&F::Aaa, &[Token::Str("aaa")]);
+    assert_de_tokens(&F::Aaa, &[Token::Bytes(b"aaa")]);
+}
+
+#[test]
+fn test_unit_fallthrough() {
+    #[derive(Deserialize, Debug, PartialEq)]
+    #[serde(field_identifier, rename_all = "snake_case")]
+    enum F {
+        Aaa,
+        Bbb,
+        #[serde(other)]
+        Other,
+    }
+
+    assert_de_tokens(&F::Other, &[Token::Str("x")]);
+}
+
+#[test]
+fn test_newtype_fallthrough() {
+    #[derive(Deserialize, Debug, PartialEq)]
+    #[serde(field_identifier, rename_all = "snake_case")]
+    enum F {
+        Aaa,
+        Bbb,
+        Other(String),
+    }
+
+    assert_de_tokens(&F::Other("x".to_owned()), &[Token::Str("x")]);
+}
+
+#[test]
+fn test_newtype_fallthrough_generic() {
+    #[derive(Deserialize, Debug, PartialEq)]
+    #[serde(field_identifier, rename_all = "snake_case")]
+    enum F<T> {
+        Aaa,
+        Bbb,
+        Other(T),
+    }
+
+    assert_de_tokens(&F::Other("x".to_owned()), &[Token::Str("x")]);
+}