dovenest

dovenest/pimdav/tests/report.rs
report.rs
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1//! REPORT parsing, query filters, calendar-data rendering and free-busy.
2
3use chrono::{DateTime, Utc};
4use pimdav::calcard::icalendar::ICalendar;
5use pimdav::calcard::vcard::VCard;
6use pimdav::filter::{matches_calendar, matches_card};
7use pimdav::freebusy::{Busy, busy, merge};
8use pimdav::render::{AddressData, address_data, calendar_data};
9use pimdav::report::{Refused, Report, parse};
10use pimdav::xml::{CALDAV, Name};
11use pimdav::zone::{Zone, named};
12
13fn utc(s: &str) -> DateTime<Utc> {
14 format!("{s}Z").parse().unwrap()
15}
16
17fn cal(body: &str) -> ICalendar {
18 ICalendar::parse(format!(
19 "BEGIN:VCALENDAR\r\nVERSION:2.0\r\n{body}END:VCALENDAR\r\n"
20 ))
21 .unwrap()
22}
23
24fn query(filter: &str) -> String {
25 format!(
26 r#"<c:calendar-query xmlns:d="DAV:" xmlns:c="urn:ietf:params:xml:ns:caldav">
27 <d:prop><d:getetag/></d:prop>
28 <c:filter><c:comp-filter name="VCALENDAR">{filter}</c:comp-filter></c:filter>
29 </c:calendar-query>"#
30 )
31}
32
33/// Whether `body` matches `filter` inside the VCALENDAR comp-filter.
34fn hit(body: &str, filter: &str) -> bool {
35 let Ok(Report::CalendarQuery { filter, .. }) = parse(query(filter).as_bytes()) else {
36 panic!("bad query {filter}");
37 };
38 matches_calendar(&cal(body), &filter, &Zone::Utc)
39}
40
41fn range(comp: &str, start: &str, end: &str) -> String {
42 format!(
43 r#"<c:comp-filter name="{comp}"><c:time-range start="{start}" end="{end}"/></c:comp-filter>"#
44 )
45}
46
47#[test]
48fn todo_time_ranges() {
49 let day = |comp| range(comp, "20260110T000000Z", "20260111T000000Z");
50 let todo = |props: &str| format!("BEGIN:VTODO\r\nUID:t\r\n{props}END:VTODO\r\n");
51 assert!(hit(&todo("DUE:20260110T170000Z\r\n"), &day("VTODO")));
52 // RFC 4791 counts a DUE on the range end as inside.
53 assert!(hit(&todo("DUE:20260111T000000Z\r\n"), &day("VTODO")));
54 assert!(!hit(&todo("DUE:20260111T000001Z\r\n"), &day("VTODO")));
55 assert!(hit(&todo("COMPLETED:20260110T100000Z\r\n"), &day("VTODO")));
56 assert!(hit(&todo("CREATED:20260101T000000Z\r\n"), &day("VTODO")));
57 assert!(!hit(&todo("CREATED:20260201T000000Z\r\n"), &day("VTODO")));
58 assert!(hit(&todo(""), &day("VTODO")));
59 // DTSTART with DUE spanning the range.
60 assert!(hit(
61 &todo("DTSTART:20260101T000000Z\r\nDUE:20260201T000000Z\r\n"),
62 &day("VTODO")
63 ));
64 assert!(!hit(&todo("DTSTART:20260111T000000Z\r\n"), &day("VTODO")));
65}
66
67#[test]
68fn alarms_fire_per_instance() {
69 let body = "BEGIN:VEVENT\r\nUID:a\r\nDTSTART:20260105T090000Z\r\nDURATION:PT1H\r\nRRULE:FREQ=DAILY\r\n\
70 BEGIN:VALARM\r\nACTION:DISPLAY\r\nTRIGGER:-PT15M\r\nEND:VALARM\r\nEND:VEVENT\r\n";
71 let alarm = |start, end| {
72 format!(
73 r#"<c:comp-filter name="VEVENT">{}</c:comp-filter>"#,
74 range("VALARM", start, end)
75 )
76 };
77 assert!(hit(body, &alarm("20260110T084000Z", "20260110T085000Z")));
78 assert!(!hit(body, &alarm("20260110T085000Z", "20260110T090000Z")));
79 let from_end = body.replace("TRIGGER:-PT15M", "TRIGGER;RELATED=END:PT5M");
80 assert!(hit(
81 &from_end,
82 &alarm("20260110T100000Z", "20260110T101000Z")
83 ));
84}
85
86#[test]
87fn freebusy_components_and_properties() {
88 let fb = "BEGIN:VFREEBUSY\r\nUID:f\r\nDTSTART:20260101T000000Z\r\nDTEND:20260102T000000Z\r\n\
89 FREEBUSY:20260101T100000Z/PT1H\r\nEND:VFREEBUSY\r\n";
90 assert!(hit(
91 fb,
92 &range("VFREEBUSY", "20260101T103000Z", "20260101T120000Z")
93 ));
94 assert!(!hit(
95 fb,
96 &range("VFREEBUSY", "20260101T120000Z", "20260101T130000Z")
97 ));
98
99 let event = "BEGIN:VEVENT\r\nUID:e\r\nDTSTART;TZID=Europe/Berlin:20260101T100000\r\n\
100 ATTENDEE;PARTSTAT=ACCEPTED;CN=\"Bob, B\":mailto:bob@example.com\r\nEND:VEVENT\r\n";
101 let prop = |inner: &str| format!(r#"<c:comp-filter name="VEVENT">{inner}</c:comp-filter>"#);
102 let partstat = r#"<c:prop-filter name="ATTENDEE"><c:param-filter name="PARTSTAT"><c:text-match collation="i;octet">ACCEPTED</c:text-match></c:param-filter></c:prop-filter>"#;
103 assert!(hit(event, &prop(partstat)));
104 let cn = r#"<c:prop-filter name="ATTENDEE"><c:param-filter name="CN"><c:text-match>bob, b</c:text-match></c:param-filter></c:prop-filter>"#;
105 assert!(hit(event, &prop(cn)));
106 let missing = r#"<c:prop-filter name="LOCATION"><c:is-not-defined/></c:prop-filter>"#;
107 assert!(hit(event, &prop(missing)));
108 let dtstart = r#"<c:prop-filter name="DTSTART"><c:time-range start="20260101T090000Z" end="20260101T090001Z"/></c:prop-filter>"#;
109 assert!(hit(event, &prop(dtstart)));
110 let no_todo = r#"<c:comp-filter name="VTODO"><c:is-not-defined/></c:comp-filter>"#;
111 assert!(hit(event, no_todo));
112}
113
114#[test]
115fn floating_times_use_the_query_zone() {
116 let body =
117 "BEGIN:VEVENT\r\nUID:f\r\nDTSTART:20260101T100000\r\nDURATION:PT1H\r\nEND:VEVENT\r\n";
118 let filter = range("VEVENT", "20260101T090000Z", "20260101T093000Z");
119 let Ok(Report::CalendarQuery { filter, .. }) = parse(query(&filter).as_bytes()) else {
120 panic!();
121 };
122 assert!(!matches_calendar(&cal(body), &filter, &Zone::Utc));
123 let berlin = named("Europe/Berlin").unwrap();
124 assert!(matches_calendar(&cal(body), &filter, &berlin));
125}
126
127#[test]
128fn report_bodies() {
129 let body = br#"<d:sync-collection xmlns:d="DAV:"><d:sync-token/><d:sync-level>1</d:sync-level>
130 <d:limit><d:nresults>5</d:nresults></d:limit><d:prop><d:getetag/></d:prop></d:sync-collection>"#;
131 let Ok(Report::SyncCollection { token, limit, .. }) = parse(body) else {
132 panic!();
133 };
134 assert_eq!((token.as_str(), limit), ("", Some(5)));
135
136 let body = br#"<d:sync-collection xmlns:d="DAV:"><d:sync-token/><d:sync-level>1</d:sync-level>
137 <d:limit><d:nresults>0</d:nresults></d:limit><d:prop><d:getetag/></d:prop></d:sync-collection>"#;
138 let Ok(Report::SyncCollection { limit, .. }) = parse(body) else {
139 panic!();
140 };
141 assert_eq!(limit, None);
142
143 let body = br#"<c:calendar-query xmlns:c="urn:ietf:params:xml:ns:caldav"><c:filter><c:comp-filter name="VEVENT"/></c:filter></c:calendar-query>"#;
144 assert_eq!(
145 parse(body).unwrap_err(),
146 Refused::Condition(Name::new(CALDAV, "valid-filter"))
147 );
148 let body = br#"<c:calendar-query xmlns:c="urn:ietf:params:xml:ns:caldav"><c:timezone-id>Nowhere/Else</c:timezone-id><c:filter><c:comp-filter name="VCALENDAR"/></c:filter></c:calendar-query>"#;
149 assert_eq!(
150 parse(body).unwrap_err(),
151 Refused::Condition(Name::new(CALDAV, "valid-timezone"))
152 );
153 let body = br#"<c:free-busy-query xmlns:c="urn:ietf:params:xml:ns:caldav"><c:time-range start="20260101T000000Z"/></c:free-busy-query>"#;
154 assert_eq!(parse(body).unwrap_err(), Refused::Invalid);
155 assert!(matches!(
156 parse(b"<x:nope xmlns:x=\"urn:x\"/>"),
157 Err(Refused::Condition(_))
158 ));
159}
160
161#[test]
162fn expand_keeps_dates_and_limit_keeps_used_overrides() {
163 let body = "BEGIN:VCALENDAR\r\nVERSION:2.0\r\n\
164 BEGIN:VEVENT\r\nUID:d\r\nDTSTART;VALUE=DATE:20260101\r\nRRULE:FREQ=DAILY;COUNT=5\r\nEND:VEVENT\r\n\
165 BEGIN:VEVENT\r\nUID:d\r\nRECURRENCE-ID;VALUE=DATE:20260102\r\nDTSTART;VALUE=DATE:20260102\r\nSUMMARY:moved\r\nEND:VEVENT\r\n\
166 BEGIN:VEVENT\r\nUID:d\r\nRECURRENCE-ID;VALUE=DATE:20260104\r\nDTSTART;VALUE=DATE:20260104\r\nSUMMARY:later\r\nEND:VEVENT\r\n\
167 END:VCALENDAR\r\n";
168 let req = |inner: &str| {
169 let xml = format!(
170 r#"<c:calendar-multiget xmlns:d="DAV:" xmlns:c="urn:ietf:params:xml:ns:caldav"><d:prop><c:calendar-data>{inner}</c:calendar-data></d:prop></c:calendar-multiget>"#
171 );
172 let Ok(Report::CalendarMultiget { props, .. }) = parse(xml.as_bytes()) else {
173 panic!();
174 };
175 props.calendar.unwrap()
176 };
177 let out = calendar_data(
178 body,
179 &req(r#"<c:expand start="20260102T000000Z" end="20260104T000000Z"/>"#),
180 &Zone::Utc,
181 )
182 .unwrap()
183 .0;
184 assert!(out.contains("DTSTART;VALUE=DATE:20260102"), "{out}");
185 assert!(out.contains("RECURRENCE-ID;VALUE=DATE:20260103"), "{out}");
186 assert!(!out.contains("RRULE") && !out.contains("20260104"), "{out}");
187
188 let out = calendar_data(
189 body,
190 &req(r#"<c:limit-recurrence-set start="20260102T000000Z" end="20260103T000000Z"/>"#),
191 &Zone::Utc,
192 )
193 .unwrap()
194 .0;
195 assert!(
196 out.contains("RRULE") && out.contains("moved") && !out.contains("later"),
197 "{out}"
198 );
199}
200
201#[test]
202fn address_data_converts_versions() {
203 let card =
204 "BEGIN:VCARD\r\nVERSION:3.0\r\nUID:c\r\nFN:Bob\r\nTEL;TYPE=CELL:123\r\nEND:VCARD\r\n";
205 let same = AddressData::default();
206 assert_eq!(address_data(card, &same), card);
207 let v4 = AddressData {
208 props: None,
209 version: Some(pimdav::calcard::vcard::VCardVersion::V4_0),
210 };
211 assert!(address_data(card, &v4).contains("VERSION:4.0"));
212}
213
214#[test]
215fn groups_and_companies_in_apple_forms() {
216 use pimdav::calcard::vcard::VCardVersion::{V3_0, V4_0};
217 let to = |v| AddressData {
218 props: None,
219 version: Some(v),
220 };
221 let group = "BEGIN:VCARD\r\nVERSION:4.0\r\nUID:g\r\nFN:Team\r\nKIND:group\r\n\
222 MEMBER:urn:uuid:m1\r\nEMAIL;PREF=1;TYPE=work:t@example.com\r\nEND:VCARD\r\n";
223 let v3 = address_data(group, &to(V3_0));
224 assert!(v3.contains("VERSION:3.0"), "{v3}");
225 assert!(v3.contains("X-ADDRESSBOOKSERVER-KIND:group\r\n"), "{v3}");
226 assert!(
227 v3.contains("X-ADDRESSBOOKSERVER-MEMBER:urn:uuid:m1\r\n"),
228 "{v3}"
229 );
230 assert!(
231 !v3.contains("\r\nKIND") && !v3.contains("\r\nMEMBER"),
232 "{v3}"
233 );
234 assert!(v3.contains("TYPE=pref") && !v3.contains("PREF=1"), "{v3}");
235
236 // Back to 4.0, as a client asking for it gets an Apple-made card.
237 let back = address_data(&v3, &to(V4_0));
238 assert!(
239 back.to_ascii_lowercase().contains("\r\nkind:group\r\n"),
240 "{back}"
241 );
242 assert!(back.contains("MEMBER:urn:uuid:m1\r\n"), "{back}");
243 assert!(
244 back.contains("PREF=1") && !back.contains("X-ADDRESSBOOKSERVER"),
245 "{back}"
246 );
247
248 let ranked = "BEGIN:VCARD\r\nVERSION:4.0\r\nUID:r\r\nFN:R\r\n\
249 EMAIL;PREF=3:c@example.com\r\nEMAIL;PREF=2:b@example.com\r\nEND:VCARD\r\n";
250 let v3 = address_data(ranked, &to(V3_0));
251 assert!(v3.contains("EMAIL;TYPE=pref:b@example.com"), "{v3}");
252 assert!(v3.contains("EMAIL:c@example.com"), "{v3}");
253
254 let org = "BEGIN:VCARD\r\nVERSION:4.0\r\nUID:o\r\nFN:ACME\r\nKIND:org\r\nEND:VCARD\r\n";
255 assert!(address_data(org, &to(V3_0)).contains("X-ABSHOWAS:COMPANY\r\n"));
256 let apple = "BEGIN:VCARD\r\nVERSION:3.0\r\nUID:o\r\nFN:ACME\r\nX-ABSHOWAS:COMPANY\r\n\
257 TEL;TYPE=\"CELL,pref\":1\r\nEND:VCARD\r\n";
258 let v4 = address_data(apple, &to(V4_0));
259 assert!(v4.to_ascii_lowercase().contains("\r\nkind:org\r\n"), "{v4}");
260 assert!(v4.contains("TYPE=CELL") && v4.contains("PREF=1"), "{v4}");
261}
262
263#[test]
264fn vcard_three_is_the_default() {
265 use pimdav::calcard::vcard::VCardVersion::{V3_0, V4_0};
266 use pimdav::render::{accepted_version, address_request};
267 use pimdav::xml::{CARDDAV, el};
268 assert_eq!(
269 address_request(&el(CARDDAV, "address-data"))
270 .unwrap()
271 .version,
272 Some(V3_0)
273 );
274 assert_eq!(accepted_version(None), V3_0);
275 assert_eq!(accepted_version(Some("text/vcard")), V3_0);
276 assert_eq!(accepted_version(Some("text/vcard; version=4.0")), V4_0);
277}
278
279#[test]
280fn card_filters() {
281 let card = VCard::parse(
282 "BEGIN:VCARD\r\nVERSION:4.0\r\nFN:Zoë\r\nEMAIL:z@example.com\r\nEND:VCARD\r\n",
283 )
284 .unwrap();
285 let parse_filter = |f: &str| {
286 let xml = format!(
287 r#"<card:addressbook-query xmlns:card="urn:ietf:params:xml:ns:carddav">{f}</card:addressbook-query>"#
288 );
289 let Ok(Report::AddressbookQuery { filter, .. }) = parse(xml.as_bytes()) else {
290 panic!("{f}");
291 };
292 filter
293 };
294 let f = parse_filter(
295 r#"<card:filter><card:prop-filter name="FN"><card:text-match match-type="starts-with">ZO</card:text-match></card:prop-filter></card:filter>"#,
296 );
297 assert!(matches_card(&card, &f));
298 let f = parse_filter(
299 r#"<card:filter><card:prop-filter name="FN"><card:text-match collation="i;octet">zoë</card:text-match></card:prop-filter></card:filter>"#,
300 );
301 assert!(!matches_card(&card, &f));
302 let f = parse_filter(
303 r#"<card:filter test="allof"><card:prop-filter name="FN"/><card:prop-filter name="TEL"/></card:filter>"#,
304 );
305 assert!(!matches_card(&card, &f));
306 let f = parse_filter(
307 r#"<card:filter><card:prop-filter name="FN"/><card:prop-filter name="TEL"/></card:filter>"#,
308 );
309 assert!(matches_card(&card, &f));
310}
311
312#[test]
313fn busy_time() {
314 let body = "BEGIN:VEVENT\r\nUID:a\r\nDTSTART:20260101T100000Z\r\nDTEND:20260101T110000Z\r\nEND:VEVENT\r\n\
315 BEGIN:VEVENT\r\nUID:b\r\nDTSTART:20260101T103000Z\r\nDTEND:20260101T120000Z\r\nEND:VEVENT\r\n\
316 BEGIN:VEVENT\r\nUID:c\r\nDTSTART:20260101T130000Z\r\nDTEND:20260101T140000Z\r\nSTATUS:TENTATIVE\r\nEND:VEVENT\r\n\
317 BEGIN:VEVENT\r\nUID:d\r\nDTSTART:20260101T150000Z\r\nDTEND:20260101T160000Z\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\n\
318 BEGIN:VEVENT\r\nUID:e\r\nDTSTART:20260101T170000Z\r\nDTEND:20260101T180000Z\r\nSTATUS:CANCELLED\r\nEND:VEVENT\r\n";
319 let range = utc("2026-01-01T00:00:00")..utc("2026-01-01T13:30:00");
320 let got = merge(busy(&cal(body), &range, &Zone::Utc, None));
321 let got: Vec<_> = got.iter().map(|p| (p.kind, p.start, p.end)).collect();
322 assert_eq!(
323 got,
324 [
325 (
326 Busy::Busy,
327 utc("2026-01-01T10:00:00"),
328 utc("2026-01-01T12:00:00")
329 ),
330 (
331 Busy::Tentative,
332 utc("2026-01-01T13:00:00"),
333 utc("2026-01-01T13:30:00")
334 ),
335 ]
336 );
337}
338
339#[test]
340fn unicode_casemap_folds_after_nfkd() {
341 use pimdav::filter::{Collation, MatchType, TextMatch};
342 let m = |text: &str, collation| TextMatch {
343 text: text.to_string(),
344 collation,
345 match_type: MatchType::Equals,
346 negate: false,
347 };
348 let unicode = Collation::UnicodeCasemap;
349 assert!(m("Müller", unicode).matches("Mu\u{0308}ller"));
350 assert!(m("file", unicode).matches("FILE"));
351 assert!(m("ix", unicode).matches("\u{2168}"));
352 assert!(m("é", Collation::AsciiCasemap).matches("é"));
353 assert!(!m("é", Collation::AsciiCasemap).matches("É"));
354}
355
356#[test]
357fn bad_filters_are_valid_filter_conditions() {
358 let bad_range = query(
359 r#"<c:comp-filter name="VEVENT"><c:time-range start="20260102T000000Z" end="20260101T000000Z"/></c:comp-filter>"#,
360 );
361 assert!(matches!(
362 parse(bad_range.as_bytes()),
363 Err(Refused::Condition(n)) if n == Name::new(CALDAV, "valid-filter")
364 ));
365 let bad_test = r#"<card:addressbook-query xmlns:d="DAV:" xmlns:card="urn:ietf:params:xml:ns:carddav">
366 <card:filter test="sometimes"/></card:addressbook-query>"#;
367 assert!(matches!(
368 parse(bad_test.as_bytes()),
369 Err(Refused::Condition(n)) if n == Name::new(pimdav::xml::CARDDAV, "valid-filter")
370 ));
371}
372
373#[test]
374fn busy_time_follows_own_answer() {
375 const ME: &str = "mailto:room@rooms.dovenest.invalid";
376 let me = |a: &str| a.eq_ignore_ascii_case(ME);
377 let body = format!(
378 "BEGIN:VEVENT\r\nUID:a\r\nDTSTART:20260101T100000Z\r\nDTEND:20260101T110000Z\r\nATTENDEE;PARTSTAT=DECLINED:{ME}\r\nEND:VEVENT\r\n\
379 BEGIN:VEVENT\r\nUID:b\r\nDTSTART:20260101T120000Z\r\nDTEND:20260101T130000Z\r\nATTENDEE:{ME}\r\nEND:VEVENT\r\n\
380 BEGIN:VEVENT\r\nUID:c\r\nDTSTART:20260101T140000Z\r\nDTEND:20260101T150000Z\r\nATTENDEE;PARTSTAT=ACCEPTED:{ME}\r\nEND:VEVENT\r\n"
381 );
382 let range = utc("2026-01-01T00:00:00")..utc("2026-01-02T00:00:00");
383 let got: Vec<_> = merge(busy(&cal(&body), &range, &Zone::Utc, Some(&me)))
384 .iter()
385 .map(|p| (p.kind, p.start))
386 .collect();
387 assert_eq!(
388 got,
389 [
390 (Busy::Busy, utc("2026-01-01T14:00:00")),
391 (Busy::Tentative, utc("2026-01-01T12:00:00")),
392 ]
393 );
394 // Without a calendar user, the answers do not count (RFC 4791).
395 assert_eq!(merge(busy(&cal(&body), &range, &Zone::Utc, None)).len(), 3);
396}
397
398#[test]
399fn outbox_free_busy_request() {
400 use pimdav::freebusy::{reply, request, schedule_response};
401 let body = "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//t//EN\r\nMETHOD:REQUEST\r\n\
402 BEGIN:VFREEBUSY\r\nUID:fb-1\r\nDTSTAMP:20260101T000000Z\r\n\
403 DTSTART:20260105T000000Z\r\nDTEND:20260106T000000Z\r\n\
404 ORGANIZER:mailto:alice@dovenest.invalid\r\n\
405 ATTENDEE:mailto:bob@dovenest.invalid\r\n\
406 ATTENDEE:mailto:BOB@dovenest.invalid\r\n\
407 ATTENDEE:mailto:dave@example.com\r\n\
408 END:VFREEBUSY\r\nEND:VCALENDAR\r\n";
409 let req = request(body.as_bytes()).unwrap();
410 assert_eq!(
411 req.range,
412 utc("2026-01-05T00:00:00")..utc("2026-01-06T00:00:00")
413 );
414 assert_eq!(req.organizer, "mailto:alice@dovenest.invalid");
415 assert_eq!(
416 req.attendees,
417 ["mailto:bob@dovenest.invalid", "mailto:dave@example.com"]
418 );
419
420 let busy = [pimdav::freebusy::Period {
421 kind: Busy::Busy,
422 start: utc("2026-01-05T10:00:00"),
423 end: utc("2026-01-05T11:00:00"),
424 }];
425 let text = reply(&busy, &req, &req.attendees[0], utc("2026-01-01T00:00:00"));
426 let got = ICalendar::parse(&text).unwrap().to_string();
427 for line in [
428 "METHOD:REPLY",
429 "UID:fb-1",
430 "ATTENDEE:mailto:bob@dovenest.invalid",
431 "FREEBUSY;FBTYPE=BUSY:20260105T100000Z/20260105T110000Z",
432 ] {
433 assert!(got.contains(line), "{line} in {got}");
434 }
435
436 let xml = schedule_response(&[(
437 req.attendees[1].clone(),
438 "5.2;Invalid calendar service",
439 None,
440 )]);
441 assert!(xml.contains("<c:schedule-response"), "{xml}");
442 assert!(xml.contains("<c:request-status>5.2;Invalid calendar service</c:request-status>"));
443
444 // Not a request, or a request without the parts it needs.
445 for bad in [
446 body.replace("METHOD:REQUEST", "METHOD:PUBLISH"),
447 body.replace("DTEND:20260106T000000Z\r\n", ""),
448 body.replace("ORGANIZER:mailto:alice@dovenest.invalid\r\n", ""),
449 ] {
450 let err = request(bad.as_bytes()).unwrap_err();
451 assert!(err.is(CALDAV, "valid-scheduling-message"), "{bad}");
452 }
453}
454