test: verify section 3.3.11 text escaping

examples/custom_property_parsed.rs

@@ -5,7 +5,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let event = Event::new()
         .summary("test event")
         .append_property(
-            "TEST;IMPORTANCE=very;DUE=tomorrow:FOOBAR\n"
+            r#"TEST;IMPORTANCE=very;DUE=tomorrow:FOOBAR;COMPLEX=\n"#
                 .parse::<Property>()
                 .unwrap(),
         )

examples/full_circle.rs

@@ -6,15 +6,18 @@ use icalendar::*;
 
 fn main() {
     let event = Event::new()
-        .summary("test event")
-        .description("here I have something really important to do")
+        .summary(";IMPORTANCE=very;test event")
+        .description("here; I have something; really important to do")
         .starts(Utc::now())
         .class(Class::Confidential)
         .ends(Utc::now() + Duration::days(1))
         .append_property(
             Property::new("TEST", "FOOBAR")
                 .add_parameter("IMPORTANCE", "very")
                 .add_parameter("DUE", "tomorrow")
+                .add_parameter("COMPLEX", r#"this is code; I think"#)
+                .add_parameter("keyval", "color:red")
+                .add_parameter("CODE", "this is code; so I quote")
                 .done(),
         )
         .uid("my.own.id")
@@ -34,10 +37,10 @@ fn main() {
 
     println!("{}", &ical); // print what we built
     println!("{}", from_parsed); // print what parsed
-    println!("{:#?}", built_calendar); // inner representation of what we built
-    println!("{:#?}", from_parsed); // inner representation of what we built and then parsed
+    println!("built calendar:\n{:#?}", built_calendar); // inner representation of what we built
+    println!("from parsed:\n{:#?}", from_parsed); // inner representation of what we built and then parsed
     println!(
-        "{:#?}",
+        "read_calenar:\n{:#?}",
         parser::read_calendar(&parser::unfold(&ical)).unwrap()
     ); // inner presentation of the parser's data structure
 }

tests/full_circle.rs

@@ -0,0 +1,109 @@
+#![cfg(feature = "parser")]
+use std::str::FromStr;
+
+use chrono::*;
+use icalendar::*;
+// use pretty_assertions::assert_eq;
+
+fn get_summary(calendar: &Calendar) -> &str {
+    calendar.components[0]
+        .as_event()
+        .unwrap()
+        .get_summary()
+        .unwrap()
+}
+fn get_description(calendar: &Calendar) -> &str {
+    calendar.components[0]
+        .as_event()
+        .unwrap()
+        .get_description()
+        .unwrap()
+}
+
+fn init_test_event() -> (&'static str, &'static str, Calendar) {
+    let summary = ";IMPORTANCE=very;test event";
+    let description = "this, contains: many escapeworthy->\n<-;characters";
+
+    let event = Event::new()
+        .summary(summary)
+        .description(description)
+        .starts(Utc::now())
+        .class(Class::Confidential)
+        .ends(Utc::now() + Duration::days(1))
+        .append_property(
+            Property::new("TEST", "FOOBAR")
+                .add_parameter("IMPORTANCE", "very")
+                .add_parameter("COMPLEX", r#"this is code; I think"#)
+                .add_parameter("keyval", "color:red")
+                .done(),
+        )
+        .uid("my.own.id")
+        .done();
+
+    let todo = Todo::new().summary("Buy some: milk").done();
+
+    let mut built_calendar = Calendar::new();
+    built_calendar.push(event);
+    built_calendar.push(todo);
+    (summary, description, built_calendar)
+}
+
+#[test]
+#[ignore = "equality difficult"]
+fn serializes_correctly() {
+    let (_, _, built_calendar) = init_test_event();
+    println!("built calendar:\n{:#?}", built_calendar); // inner representation of what we built
+
+    let serialized = built_calendar.to_string();
+    println!("serialized: {}", &serialized); // print what we built
+
+    let from_parsed = Calendar::from_str(&serialized).unwrap();
+    println!("parsed again:\n{:#?}", from_parsed); // inner representation of what we built and then parsed
+
+    assert_eq!(built_calendar, from_parsed)
+}
+
+#[test]
+fn escape_late() {
+    let (summary, description, built_calendar) = init_test_event();
+    println!("built calendar:\n{:#?}", built_calendar); // inner representation of what we built
+
+    let serialized = built_calendar.to_string();
+    println!("serialized: {}", &serialized); // print what we built
+
+    let from_parsed = Calendar::from_str(&serialized).unwrap();
+    println!("parsed again:\n{:#?}", from_parsed); // inner representation of what we built and then parsed
+
+    // these should not be escaped
+    assert_eq!(get_summary(&built_calendar), summary);
+    assert_eq!(get_description(&built_calendar), description);
+}
+
+#[test]
+fn unescape_text() {
+    let (summary, description, built_calendar) = init_test_event();
+    println!("built calendar:\n{:#?}", built_calendar); // inner representation of what we built
+
+    let serialized = built_calendar.to_string();
+    println!("serialized:\n {}", &serialized); // print what we built
+
+    let from_parsed = Calendar::from_str(&serialized).unwrap();
+    println!("parsed again:\n{:#?}", from_parsed); // inner representation of what we built and then parsed
+
+    assert_eq!(get_summary(&from_parsed), summary);
+    assert_eq!(get_description(&from_parsed), description);
+}
+
+#[test]
+fn reparse_equivalence() {
+    let (_summary, _description, built_calendar) = init_test_event();
+    println!("built calendar:\n{:#?}", built_calendar); // inner representation of what we built
+
+    let serialized = built_calendar.to_string();
+    println!("serialized: {}", &serialized); // print what we built
+
+    let from_parsed = Calendar::from_str(&serialized).unwrap();
+    println!("parsed again:\n{:#?}", from_parsed); // inner representation of what we built and then parsed
+
+    assert_eq!(get_summary(&built_calendar), get_summary(&from_parsed),);
+}

tests/reserialize.rs

@@ -30,7 +30,7 @@ END:VTODO\r
 BEGIN:VALARM\r
 TRIGGER;RELATED=END:-P2D\r
 ACTION:EMAIL\r
-ATTENDEE:mailto:john_doe@example.com\r
+ATTENDEE:\"mailto:john_doe@example.com\"\r
 SUMMARY:*** REMINDER: SEND AGENDA FOR WEEKLY STAFF MEETING ***\r
 DESCRIPTION:A draft agenda needs to be sent out to the attendees to the wee\r
  kly managers meeting (MGR-LIST). Attached is a pointer the document templat\r