Rename the xmpp-parsers directory to parsers

This doesn’t change anything to the name of the crate, just makes
autocompletion easier by not sharing the same prefix as the xmpp crate.

parsers/src/delay.rs

@@ -0,0 +1,119 @@
+// 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::date::DateTime;
+use crate::message::MessagePayload;
+use crate::presence::PresencePayload;
+use crate::util::helpers::PlainText;
+use jid::Jid;
+
+generate_element!(
+    /// Notes when and by whom a message got stored for later delivery.
+    Delay, "delay", DELAY,
+    attributes: [
+        /// The entity which delayed this message.
+        from: Option<Jid> = "from",
+
+        /// The time at which this message got stored.
+        stamp: Required<DateTime> = "stamp"
+    ],
+    text: (
+        /// The optional reason this message got delayed.
+        data: PlainText<Option<String>>
+    )
+);
+
+impl MessagePayload for Delay {}
+impl PresencePayload for Delay {}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::util::error::Error;
+    use crate::Element;
+    use jid::BareJid;
+    use std::convert::TryFrom;
+    use std::str::FromStr;
+
+    #[cfg(target_pointer_width = "32")]
+    #[test]
+    fn test_size() {
+        assert_size!(Delay, 68);
+    }
+
+    #[cfg(target_pointer_width = "64")]
+    #[test]
+    fn test_size() {
+        assert_size!(Delay, 120);
+    }
+
+    #[test]
+    fn test_simple() {
+        let elem: Element =
+            "<delay xmlns='urn:xmpp:delay' from='capulet.com' stamp='2002-09-10T23:08:25Z'/>"
+                .parse()
+                .unwrap();
+        let delay = Delay::try_from(elem).unwrap();
+        assert_eq!(delay.from.unwrap(), BareJid::domain("capulet.com"));
+        assert_eq!(
+            delay.stamp,
+            DateTime::from_str("2002-09-10T23:08:25Z").unwrap()
+        );
+        assert_eq!(delay.data, None);
+    }
+
+    #[test]
+    fn test_unknown() {
+        let elem: Element = "<replace xmlns='urn:xmpp:message-correct:0'/>"
+            .parse()
+            .unwrap();
+        let error = Delay::try_from(elem).unwrap_err();
+        let message = match error {
+            Error::ParseError(string) => string,
+            _ => panic!(),
+        };
+        assert_eq!(message, "This is not a delay element.");
+    }
+
+    #[test]
+    fn test_invalid_child() {
+        let elem: Element = "<delay xmlns='urn:xmpp:delay'><coucou/></delay>"
+            .parse()
+            .unwrap();
+        let error = Delay::try_from(elem).unwrap_err();
+        let message = match error {
+            Error::ParseError(string) => string,
+            _ => panic!(),
+        };
+        assert_eq!(message, "Unknown child in delay element.");
+    }
+
+    #[test]
+    fn test_serialise() {
+        let elem: Element = "<delay xmlns='urn:xmpp:delay' stamp='2002-09-10T23:08:25+00:00'/>"
+            .parse()
+            .unwrap();
+        let delay = Delay {
+            from: None,
+            stamp: DateTime::from_str("2002-09-10T23:08:25Z").unwrap(),
+            data: None,
+        };
+        let elem2 = delay.into();
+        assert_eq!(elem, elem2);
+    }
+
+    #[test]
+    fn test_serialise_data() {
+        let elem: Element = "<delay xmlns='urn:xmpp:delay' from='juliet@example.org' stamp='2002-09-10T23:08:25+00:00'>Reason</delay>".parse().unwrap();
+        let delay = Delay {
+            from: Some(Jid::Bare(BareJid::new("juliet", "example.org"))),
+            stamp: DateTime::from_str("2002-09-10T23:08:25Z").unwrap(),
+            data: Some(String::from("Reason")),
+        };
+        let elem2 = delay.into();
+        assert_eq!(elem, elem2);
+    }
+}