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/* 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
/**
* Tests the change detection of the invitation panel attendee and attachment
* lists.
*/
"use strict";
const REMOVED = -1;
const UNCHANGED = 0;
const ADDED = 1;
const MODIFIED = 2;
function createAttachment(spec, filename = "file.txt") {
const attach = new CalAttachment();
attach.uri = Services.io.newURI(spec);
attach.setParameter("FILENAME", filename);
return attach;
}
function createAttendee(email, partStat = "NEEDS-ACTION") {
const att = new CalAttendee();
att.id = email;
att.participationStatus = partStat;
return att;
}
function getAttachmentChanges(oldValue, newValue) {
const list = document.createElement("ul", { is: "calendar-invitation-panel-attachment-list" });
return list.getChanges(oldValue, newValue).map(([attach, status]) => [attach.uri.spec, status]);
}
function getAttendeeChanges(oldValue, newValue) {
const list = document.createElement("ul", { is: "calendar-invitation-panel-attendee-list" });
return list.getChanges(oldValue, newValue).map(([att, status]) => [att.id, status]);
}
/**
* Tests attachment changes are detected and removed attachments are shown at
* their previous position.
*/
add_task(function testAttachmentChanges() {
const createBinary = () => {
const attach = new CalAttachment();
attach.setParameter("VALUE", "BINARY");
attach.rawData = "AAAA";
return attach;
};
Assert.deepEqual(
getAttachmentChanges(
[
createBinary(),
],
[
]
),
[
],
"attachment changes should be listed in order"
);
Assert.deepEqual(
getAttachmentChanges(
[
createBinary(),
createBinary(),
],
),
[
],
"removed attachments past the end of the new list should be appended"
);
});
/**
* Tests attendee changes are detected and removed attendees are shown at
* their previous position.
*/
add_task(function testAttendeeChanges() {
Assert.deepEqual(
getAttendeeChanges(
[
createAttendee("mailto:a@example.com"),
createAttendee("mailto:b@example.com"),
createAttendee("mailto:c@example.com"),
],
[
createAttendee("mailto:a@example.com"),
createAttendee("mailto:c@example.com", "ACCEPTED"),
createAttendee("mailto:d@example.com"),
]
),
[
["mailto:a@example.com", UNCHANGED],
["mailto:b@example.com", REMOVED],
["mailto:c@example.com", MODIFIED],
["mailto:d@example.com", ADDED],
],
"attendee changes should be listed in order"
);
Assert.deepEqual(
getAttendeeChanges(
[
createAttendee("mailto:a@example.com"),
createAttendee("mailto:b@example.com"),
createAttendee("mailto:c@example.com"),
],
[createAttendee("mailto:d@example.com")]
),
[
["mailto:a@example.com", REMOVED],
["mailto:b@example.com", REMOVED],
["mailto:c@example.com", REMOVED],
["mailto:d@example.com", ADDED],
],
"removed attendees should keep their position before added ones"
);
});
/**
* Counts reads of a getter on the given objects.
*
* @param {object[]} objects
* @param {string} name - Name of the getter on the objects' prototype.
* @returns {{ reads: number }}
*/
function countReads(objects, name) {
const counter = { reads: 0 };
for (const obj of objects) {
const { get } = Object.getOwnPropertyDescriptor(Object.getPrototypeOf(obj), name);
Object.defineProperty(obj, name, {
get() {
counter.reads++;
return get.call(this);
},
});
}
return counter;
}
/**
* Tests that comparing disjoint lists includes every entry, with a number of
* comparisons that grows linearly with the length of the lists.
*/
add_task(function testDisjointListsLinear() {
const count = 200;
const range = prefix => Array.from({ length: count }, (_, i) => `${prefix}${i}`);
const uriCounter = countReads([...oldAttachments, ...newAttachments], "uri");
const attachmentList = document.createElement("ul", {
is: "calendar-invitation-panel-attachment-list",
});
const attachmentChanges = attachmentList.getChanges(oldAttachments, newAttachments);
Assert.lessOrEqual(
uriCounter.reads,
10 * count,
"attachment URIs should be read a linear number of times"
);
Assert.deepEqual(
attachmentChanges.map(([attach, status]) => [attach.uri.spec, status]),
[
],
"all attachments should be listed as removed or added"
);
const oldAttendees = range("mailto:old").map(email => createAttendee(`${email}@example.com`));
const newAttendees = range("mailto:new").map(email => createAttendee(`${email}@example.com`));
const idCounter = countReads([...oldAttendees, ...newAttendees], "id");
const attendeeList = document.createElement("ul", {
is: "calendar-invitation-panel-attendee-list",
});
const attendeeChanges = attendeeList.getChanges(oldAttendees, newAttendees);
Assert.lessOrEqual(
idCounter.reads,
10 * count,
"attendee ids should be read a linear number of times"
);
Assert.deepEqual(
attendeeChanges.map(([att, status]) => [att.id, status]),
[
...range("mailto:old").map(email => [`${email}@example.com`, REMOVED]),
...range("mailto:new").map(email => [`${email}@example.com`, ADDED]),
],
"all attendees should be listed as removed or added"
);
});