1 files changed, 125 insertions, 0 deletions
diff --git a/vendor/uuid/src/serde_support.rs b/vendor/uuid/src/serde_support.rs
new file mode 100644
index 000000000..4ec2ffbc0
--- /dev/null
+++ b/vendor/uuid/src/serde_support.rs
@@ -0,0 +1,125 @@
+// Copyright 2013-2014 The Rust Project Developers.
+// Copyright 2018 The Uuid Project Developers.
+//
+// See the COPYRIGHT file at the top-level directory of this distribution.
+//
+// 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.
+
+use crate::prelude::*;
+use core::fmt;
+use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+
+impl Serialize for Uuid {
+    fn serialize<S: Serializer>(
+        &self,
+        serializer: S,
+    ) -> Result<S::Ok, S::Error> {
+        if serializer.is_human_readable() {
+            serializer
+                .serialize_str(&self.to_hyphenated().encode_lower(&mut [0; 36]))
+        } else {
+            serializer.serialize_bytes(self.as_bytes())
+        }
+    }
+}
+
+impl<'de> Deserialize<'de> for Uuid {
+    fn deserialize<D: Deserializer<'de>>(
+        deserializer: D,
+    ) -> Result<Self, D::Error> {
+        fn de_error<E: de::Error>(e: crate::Error) -> E {
+            E::custom(format_args!("UUID parsing failed: {}", e))
+        }
+
+        if deserializer.is_human_readable() {
+            struct UuidStringVisitor;
+
+            impl<'vi> de::Visitor<'vi> for UuidStringVisitor {
+                type Value = Uuid;
+
+                fn expecting(
+                    &self,
+                    formatter: &mut fmt::Formatter<'_>,
+                ) -> fmt::Result {
+                    write!(formatter, "a UUID string")
+                }
+
+                fn visit_str<E: de::Error>(
+                    self,
+                    value: &str,
+                ) -> Result<Uuid, E> {
+                    value.parse::<Uuid>().map_err(de_error)
+                }
+
+                fn visit_bytes<E: de::Error>(
+                    self,
+                    value: &[u8],
+                ) -> Result<Uuid, E> {
+                    Uuid::from_slice(value).map_err(de_error)
+                }
+            }
+
+            deserializer.deserialize_str(UuidStringVisitor)
+        } else {
+            struct UuidBytesVisitor;
+
+            impl<'vi> de::Visitor<'vi> for UuidBytesVisitor {
+                type Value = Uuid;
+
+                fn expecting(
+                    &self,
+                    formatter: &mut fmt::Formatter<'_>,
+                ) -> fmt::Result {
+                    write!(formatter, "bytes")
+                }
+
+                fn visit_bytes<E: de::Error>(
+                    self,
+                    value: &[u8],
+                ) -> Result<Uuid, E> {
+                    Uuid::from_slice(value).map_err(de_error)
+                }
+            }
+
+            deserializer.deserialize_bytes(UuidBytesVisitor)
+        }
+    }
+}
+
+#[cfg(test)]
+mod serde_tests {
+    use serde_test::{Compact, Configure, Readable, Token};
+
+    use crate::prelude::*;
+
+    #[test]
+    fn test_serialize_readable() {
+        let uuid_str = "f9168c5e-ceb2-4faa-b6bf-329bf39fa1e4";
+        let u = Uuid::parse_str(uuid_str).unwrap();
+        serde_test::assert_tokens(&u.readable(), &[Token::Str(uuid_str)]);
+    }
+
+    #[test]
+    fn test_serialize_compact() {
+        let uuid_bytes = b"F9168C5E-CEB2-4F";
+        let u = Uuid::from_slice(uuid_bytes).unwrap();
+        serde_test::assert_tokens(&u.compact(), &[Token::Bytes(uuid_bytes)]);
+    }
+
+    #[test]
+    fn test_de_failure() {
+        serde_test::assert_de_tokens_error::<Readable<Uuid>>(
+            &[Token::Str("hello_world")],
+            "UUID parsing failed: invalid length: expected one of [36, 32], found 11",
+        );
+
+        serde_test::assert_de_tokens_error::<Compact<Uuid>>(
+            &[Token::Bytes(b"hello_world")],
+            "UUID parsing failed: invalid bytes length: expected 16, found 11",
+        );
+    }
+}