Prepare for merge: Move all xmpp-parsers files into xmpp-parsers/

Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>

xmpp-parsers/src/eme.rs

@@ -0,0 +1,96 @@
+// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+use crate::message::MessagePayload;
+
+generate_element!(
+    /// Structure representing an `<encryption xmlns='urn:xmpp:eme:0'/>` element.
+    ExplicitMessageEncryption, "encryption", EME,
+    attributes: [
+        /// Namespace of the encryption scheme used.
+        namespace: Required<String> = "namespace",
+
+        /// User-friendly name for the encryption scheme, should be `None` for OTR,
+        /// legacy OpenPGP and OX.
+        name: Option<String> = "name",
+    ]
+);
+
+impl MessagePayload for ExplicitMessageEncryption {}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::util::error::Error;
+    use crate::Element;
+    use std::convert::TryFrom;
+
+    #[cfg(target_pointer_width = "32")]
+    #[test]
+    fn test_size() {
+        assert_size!(ExplicitMessageEncryption, 24);
+    }
+
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn test_size() {
+        assert_size!(ExplicitMessageEncryption, 48);
+    }
+
+    #[test]
+    fn test_simple() {
+        let elem: Element = "<encryption xmlns='urn:xmpp:eme:0' namespace='urn:xmpp:otr:0'/>"
+            .parse()
+            .unwrap();
+        let encryption = ExplicitMessageEncryption::try_from(elem).unwrap();
+        assert_eq!(encryption.namespace, "urn:xmpp:otr:0");
+        assert_eq!(encryption.name, None);
+
+        let elem: Element = "<encryption xmlns='urn:xmpp:eme:0' namespace='some.unknown.mechanism' name='SuperMechanism'/>".parse().unwrap();
+        let encryption = ExplicitMessageEncryption::try_from(elem).unwrap();
+        assert_eq!(encryption.namespace, "some.unknown.mechanism");
+        assert_eq!(encryption.name, Some(String::from("SuperMechanism")));
+    }
+
+    #[test]
+    fn test_unknown() {
+        let elem: Element = "<replace xmlns='urn:xmpp:message-correct:0'/>"
+            .parse()
+            .unwrap();
+        let error = ExplicitMessageEncryption::try_from(elem).unwrap_err();
+        let message = match error {
+            Error::ParseError(string) => string,
+            _ => panic!(),
+        };
+        assert_eq!(message, "This is not a encryption element.");
+    }
+
+    #[test]
+    fn test_invalid_child() {
+        let elem: Element = "<encryption xmlns='urn:xmpp:eme:0'><coucou/></encryption>"
+            .parse()
+            .unwrap();
+        let error = ExplicitMessageEncryption::try_from(elem).unwrap_err();
+        let message = match error {
+            Error::ParseError(string) => string,
+            _ => panic!(),
+        };
+        assert_eq!(message, "Unknown child in encryption element.");
+    }
+
+    #[test]
+    fn test_serialise() {
+        let elem: Element = "<encryption xmlns='urn:xmpp:eme:0' namespace='coucou'/>"
+            .parse()
+            .unwrap();
+        let eme = ExplicitMessageEncryption {
+            namespace: String::from("coucou"),
+            name: None,
+        };
+        let elem2 = eme.into();
+        assert_eq!(elem, elem2);
+    }
+}