"use strict";
const assert = require("node:assert/strict");
const {mock_esm, zrequire} = require("./lib/namespace.cjs");
const {run_test} = require("./lib/test.cjs");
const blueslip = require("./lib/zblueslip.cjs");
const $ = require("./lib/zjquery.cjs");
const {page_params} = require("./lib/zpage_params.cjs");
const hash_util = zrequire("hash_util");
const compose_state = zrequire("compose_state");
const narrow_banner = zrequire("narrow_banner");
const people = zrequire("people");
const stream_data = zrequire("stream_data");
const {Filter} = zrequire("../src/filter");
const message_view = zrequire("message_view");
const narrow_title = zrequire("narrow_title");
const recent_view_util = zrequire("recent_view_util");
const inbox_util = zrequire("inbox_util");
const message_lists = zrequire("message_lists");
const {set_current_user, set_realm} = zrequire("state_data");
const user_groups = zrequire("user_groups");
const {initialize_user_settings} = zrequire("user_settings");
set_current_user({});
const realm = {};
set_realm(realm);
initialize_user_settings({user_settings: {}});
mock_esm("../src/compose_banner", {
clear_errors() {},
clear_search_view_banner() {},
});
const compose_pm_pill = mock_esm("../src/compose_pm_pill");
mock_esm("../src/settings_data", {
user_can_access_all_other_users: () => true,
});
mock_esm("../src/spectators", {
login_to_access() {},
});
function empty_narrow_html(title, html, search_data) {
const opts = {
title,
html,
search_data,
};
return require("../templates/empty_feed_notice.hbs")(opts);
}
function set_filter(terms) {
terms = terms.map((op) => ({
operator: op[0],
operand: op[1],
}));
message_lists.set_current({
data: {
filter: new Filter(terms),
fetch_status: {
has_found_newest: () => true,
},
},
});
}
const me = {
email: "me@example.com",
user_id: 5,
full_name: "Me Myself",
};
const alice = {
email: "alice@example.com",
user_id: 23,
full_name: "Alice Smith",
};
const ray = {
email: "ray@example.com",
user_id: 22,
full_name: "Raymond",
};
const bot = {
email: "bot@example.com",
user_id: 25,
full_name: "Example Bot",
is_bot: true,
};
const nobody = {
name: "role:nobody",
id: 1,
members: new Set([]),
is_system_group: true,
direct_subgroup_ids: new Set([]),
};
const everyone = {
name: "role:everyone",
id: 2,
members: new Set([5]),
is_system_group: true,
direct_subgroup_ids: new Set([]),
};
user_groups.initialize({realm_user_groups: [nobody, everyone]});
run_test("empty_narrow_html", ({mock_template}) => {
mock_template("empty_feed_notice.hbs", true, (_data, html) => html);
let actual_html = empty_narrow_html("This is a title", "
This is the html
");
assert.equal(
actual_html,
`
This is a title
This is the html
`,
);
const search_data_with_all_search_types = {
topic_query: "test",
stream_query: "new",
has_stop_word: true,
query_words: [
{query_word: "search", is_stop_word: false},
{query_word: "a", is_stop_word: true},
],
};
actual_html = empty_narrow_html(
"This is a title",
undefined,
search_data_with_all_search_types,
);
assert.equal(
actual_html,
`
This is a title
Some common words were excluded from your search.
You searched for:
stream: new
topic: test
search
a
`,
);
const search_data_with_stream_without_stop_words = {
has_stop_word: false,
stream_query: "hello world",
query_words: [{query_word: "searchA", is_stop_word: false}],
};
actual_html = empty_narrow_html(
"This is a title",
undefined,
search_data_with_stream_without_stop_words,
);
assert.equal(
actual_html,
`
This is a title
You searched for:
stream: hello world
searchA
`,
);
const search_data_with_topic_without_stop_words = {
has_stop_word: false,
topic_query: "hello",
query_words: [{query_word: "searchB", is_stop_word: false}],
};
actual_html = empty_narrow_html(
"This is a title",
undefined,
search_data_with_topic_without_stop_words,
);
assert.equal(
actual_html,
`
This is a title
You searched for:
topic: hello
searchB
`,
);
});
run_test("urls", () => {
people.add_active_user(ray);
people.add_active_user(alice);
people.add_active_user(me);
people.initialize_current_user(me.user_id);
let url = hash_util.pm_with_url(ray.email);
assert.equal(url, "#narrow/dm/22-Raymond");
url = hash_util.direct_message_group_with_url("22,23");
assert.equal(url, "#narrow/dm/22,23-group");
url = hash_util.by_sender_url(ray.email);
assert.equal(url, "#narrow/sender/22-Raymond");
let emails = hash_util.decode_operand("dm", "22,23-group");
assert.equal(emails, "alice@example.com,ray@example.com");
emails = hash_util.decode_operand("dm", "5,22,23-group");
assert.equal(emails, "alice@example.com,ray@example.com");
emails = hash_util.decode_operand("dm", "5-group");
assert.equal(emails, "me@example.com");
// Even though we renamed "pm-with" to "dm", preexisting
// links/URLs with "pm-with" operator are decoded correctly.
emails = hash_util.decode_operand("pm-with", "22,23-group");
assert.equal(emails, "alice@example.com,ray@example.com");
emails = hash_util.decode_operand("pm-with", "5,22,23-group");
assert.equal(emails, "alice@example.com,ray@example.com");
emails = hash_util.decode_operand("pm-with", "5-group");
assert.equal(emails, "me@example.com");
});
run_test("show_empty_narrow_message", ({mock_template, override}) => {
override(realm, "stop_words", []);
mock_template("empty_feed_notice.hbs", true, (_data, html) => html);
message_lists.set_current(undefined);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: There are no messages here.",
'translated HTML: Why not start the conversation?',
),
);
// for non-existent or private stream
set_filter([["stream", "999"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: This channel doesn't exist, or you are not allowed to view it.",
),
);
set_filter([
["stream", "999"],
["topic", "foo"],
["near", "99"],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: This channel doesn't exist, or you are not allowed to view it.",
),
);
// for non-subbed public stream
const rome_id = 99;
stream_data.add_sub({name: "ROME", stream_id: rome_id});
set_filter([["stream", rome_id.toString()]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: There are no messages here.",
'translated HTML: Why not start the conversation?',
),
);
// for non-web-public stream for spectator
page_params.is_spectator = true;
set_filter([["stream", rome_id.toString()]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"",
'translated HTML: This is not a publicly accessible conversation.',
),
);
set_filter([
["stream", rome_id.toString()],
["topic", "foo"],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"",
'translated HTML: This is not a publicly accessible conversation.',
),
);
// for web-public stream for spectator
const web_public_id = 1231;
stream_data.add_sub({name: "web-public-stream", stream_id: web_public_id, is_web_public: true});
set_filter([
["stream", web_public_id.toString()],
["topic", "foo"],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: There are no messages here."),
);
page_params.is_spectator = false;
set_filter([["is", "starred"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: You have no starred messages.",
'translated HTML: Starring messages is a good way to keep track of important messages, such as tasks you need to go back to, or useful references. To star a message, hover over a message and click the . Learn more',
),
);
set_filter([["is", "mentioned"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: This view will show messages where you are mentioned.",
'translated HTML: To call attention to a message, you can mention a user, a group, topic participants, or all subscribers to a channel. Type @ in the compose box, and choose who you\'d like to mention from the list of suggestions. Learn more',
),
);
override(realm, "realm_direct_message_permission_group", everyone.id);
override(realm, "realm_direct_message_initiator_group", everyone.id);
set_filter([["is", "dm"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: You have no direct messages yet!",
'translated HTML: Why not start the conversation?',
),
);
set_filter([["is", "unread"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: You have no unread messages!"),
);
set_filter([["is", "resolved"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: No topics are marked as resolved."),
);
set_filter([["is", "followed"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: You aren't following any topics."),
);
// organization has disabled sending direct messages
override(realm, "realm_direct_message_permission_group", nobody.id);
// prioritize information about invalid user(s) in narrow/search
set_filter([["dm", ["Yo"]]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: This user does not exist!"),
);
people.add_active_user(alice);
set_filter([["dm", ["alice@example.com", "Yo"]]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: One or more of these users do not exist!"),
);
set_filter([["dm", "alice@example.com"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: Direct messages are disabled in this organization.",
'translated HTML: Learn more.',
),
);
// direct messages with a bot are possible even though
// the organization has disabled sending direct messages
people.add_active_user(bot);
set_filter([["dm", "bot@example.com"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: You have no direct messages with Example Bot yet.",
'translated HTML: Why not start the conversation?',
),
);
// group direct messages with bots are not possible when
// sending direct messages is disabled
set_filter([["dm", bot.email + "," + alice.email]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: Direct messages are disabled in this organization.",
'translated HTML: Learn more.',
),
);
// sending direct messages enabled
override(realm, "realm_direct_message_permission_group", everyone.id);
set_filter([["dm", "alice@example.com"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: You have no direct messages with Alice Smith yet.",
'translated HTML: Why not start the conversation?',
),
);
// sending direct messages to deactivated user
override(realm, "realm_direct_message_permission_group", everyone.id);
people.deactivate(alice);
set_filter([["dm", alice.email]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: You have no direct messages with Alice Smith."),
);
people.add_active_user(alice);
people.add_active_user(me);
people.initialize_current_user(me.user_id);
set_filter([["dm", me.email]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: You have not sent any direct messages to yourself yet!",
"translated HTML: Use this space for personal notes, or to test out Zulip features.",
),
);
set_filter([["dm", me.email + "," + alice.email]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: You have no direct messages with these users yet.",
'translated HTML: Why not start the conversation?',
),
);
// group dm with a deactivated user
people.deactivate(alice);
set_filter([["dm", ray.email + "," + alice.email]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: You have no direct messages with these users."),
);
people.add_active_user(alice);
// organization has disabled sending direct messages
override(realm, "realm_direct_message_permission_group", nobody.id);
// prioritize information about invalid user in narrow/search
set_filter([["dm-including", ["Yo"]]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: This user does not exist!"),
);
set_filter([["dm-including", "alice@example.com"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: Direct messages are disabled in this organization.",
'translated HTML: Learn more.',
),
);
// direct messages with a bot are possible even though
// the organization has disabled sending direct messages
set_filter([["dm-including", "bot@example.com"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: You have no direct messages including Example Bot yet."),
);
// sending direct messages enabled
override(realm, "realm_direct_message_permission_group", everyone.id);
override(realm, "realm_direct_message_permission_group", everyone.id);
set_filter([["dm-including", "alice@example.com"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: You have no direct messages including Alice Smith yet."),
);
set_filter([["dm-including", me.email]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: You don't have any direct message conversations yet."),
);
set_filter([["sender", "ray@example.com"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: You haven't received any messages sent by Raymond yet."),
);
set_filter([["sender", "sinwar@example.com"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: This user does not exist!"),
);
set_filter([
["sender", "alice@example.com"],
["stream", rome_id.toString()],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: No search results."),
);
set_filter([["is", "invalid"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: There are no messages here.",
'translated HTML: Why not start the conversation?',
),
);
const my_stream_id = 103;
const my_stream = {
name: "my stream",
stream_id: my_stream_id,
};
stream_data.add_sub(my_stream);
stream_data.subscribe_myself(my_stream);
set_filter([["stream", my_stream_id.toString()]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: There are no messages here.",
'translated HTML: Why not start the conversation?',
),
);
set_filter([["stream", ""]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: This channel doesn't exist, or you are not allowed to view it.",
),
);
set_filter([
["has", "reaction"],
["sender", "me"],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: None of your messages have emoji reactions yet.",
'translated HTML: Learn more about emoji reactions here.',
),
);
});
run_test("show_empty_narrow_message_with_search", ({mock_template, override}) => {
override(realm, "stop_words", []);
mock_template("empty_feed_notice.hbs", true, (_data, html) => html);
message_lists.set_current(undefined);
set_filter([["search", "grail"]]);
narrow_banner.show_empty_narrow_message();
assert.match($(".empty_feed_notice_main").html(), /grail<\/span>/);
});
run_test("hide_empty_narrow_message", () => {
narrow_banner.hide_empty_narrow_message();
assert.equal($(".empty_feed_notice").text(), "never-been-set");
});
run_test("show_search_stopwords", ({mock_template, override}) => {
override(realm, "stop_words", ["what", "about"]);
mock_template("empty_feed_notice.hbs", true, (_data, html) => html);
const expected_search_data = {
has_stop_word: true,
query_words: [
{query_word: "what", is_stop_word: true},
{query_word: "about", is_stop_word: true},
{query_word: "grail", is_stop_word: false},
],
};
message_lists.set_current(undefined);
set_filter([["search", "what about grail"]]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: No search results.", undefined, expected_search_data),
);
const streamA_id = 88;
stream_data.add_sub({name: "streamA", stream_id: streamA_id});
const expected_stream_search_data = {
has_stop_word: true,
stream_query: "streamA",
query_words: [
{query_word: "what", is_stop_word: true},
{query_word: "about", is_stop_word: true},
{query_word: "grail", is_stop_word: false},
],
};
set_filter([
["stream", streamA_id.toString()],
["search", "what about grail"],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html("translated: No search results.", undefined, expected_stream_search_data),
);
const expected_stream_topic_search_data = {
has_stop_word: true,
stream_query: "streamA",
topic_query: "topicA",
query_words: [
{query_word: "what", is_stop_word: true},
{query_word: "about", is_stop_word: true},
{query_word: "grail", is_stop_word: false},
],
};
set_filter([
["stream", streamA_id.toString()],
["topic", "topicA"],
["search", "what about grail"],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: No search results.",
undefined,
expected_stream_topic_search_data,
),
);
});
run_test("show_invalid_narrow_message", ({mock_template}) => {
message_lists.set_current(undefined);
mock_template("empty_feed_notice.hbs", true, (_data, html) => html);
const streamA_id = 88;
const streamB_id = 77;
stream_data.add_sub({name: "streamA", stream_id: streamA_id});
stream_data.add_sub({name: "streamB", stream_id: streamB_id});
set_filter([
["stream", streamA_id.toString()],
["stream", streamB_id.toString()],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: No search results.",
"translated HTML: You are searching for messages that belong to more than one channel, which is not possible.
",
),
);
set_filter([
["topic", "topicA"],
["topic", "topicB"],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: No search results.",
"translated HTML: You are searching for messages that belong to more than one topic, which is not possible.
",
),
);
people.add_active_user(ray);
people.add_active_user(alice);
set_filter([
["sender", "alice@example.com"],
["sender", "ray@example.com"],
]);
narrow_banner.show_empty_narrow_message();
assert.equal(
$(".empty_feed_notice_main").html(),
empty_narrow_html(
"translated: No search results.",
"translated HTML: You are searching for messages that are sent by more than one person, which is not possible.
",
),
);
});
run_test("narrow_to_compose_target errors", ({disallow_rewire}) => {
disallow_rewire(message_view, "show");
// No-op when not composing.
compose_state.set_message_type(undefined);
message_view.to_compose_target();
// No-op when empty stream.
compose_state.set_message_type("stream");
compose_state.set_stream_id("");
message_view.to_compose_target();
});
run_test("narrow_to_compose_target streams", ({override_rewire}) => {
const args = {called: false};
override_rewire(message_view, "show", (terms, opts) => {
args.terms = terms;
args.opts = opts;
args.called = true;
});
compose_state.set_message_type("stream");
const rome_id = 99;
stream_data.add_sub({name: "ROME", stream_id: rome_id});
compose_state.set_stream_id(99);
// Test with existing topic
compose_state.topic("one");
args.called = false;
message_view.to_compose_target();
assert.equal(args.called, true);
assert.equal(args.opts.trigger, "narrow_to_compose_target");
assert.deepEqual(args.terms, [
{operator: "channel", operand: rome_id.toString()},
{operator: "topic", operand: "one"},
]);
// Test with new topic
compose_state.topic("four");
args.called = false;
message_view.to_compose_target();
assert.equal(args.called, true);
assert.deepEqual(args.terms, [
{operator: "channel", operand: rome_id.toString()},
{operator: "topic", operand: "four"},
]);
// Test with blank topic
compose_state.topic("");
args.called = false;
message_view.to_compose_target();
assert.equal(args.called, true);
assert.deepEqual(args.terms, [{operator: "channel", operand: rome_id.toString()}]);
// Test with no topic
compose_state.topic(undefined);
args.called = false;
message_view.to_compose_target();
assert.equal(args.called, true);
assert.deepEqual(args.terms, [{operator: "channel", operand: rome_id.toString()}]);
});
run_test("narrow_to_compose_target direct messages", ({override, override_rewire}) => {
const args = {called: false};
override_rewire(message_view, "show", (terms, opts) => {
args.terms = terms;
args.opts = opts;
args.called = true;
});
let emails;
override(compose_pm_pill, "get_emails", () => emails);
compose_state.set_message_type("private");
people.add_active_user(ray);
people.add_active_user(alice);
people.add_active_user(me);
// Test with valid person
emails = "alice@example.com";
args.called = false;
message_view.to_compose_target();
assert.equal(args.called, true);
assert.deepEqual(args.terms, [{operator: "dm", operand: "alice@example.com"}]);
// Test with valid persons
emails = "alice@example.com,ray@example.com";
args.called = false;
message_view.to_compose_target();
assert.equal(args.called, true);
assert.deepEqual(args.terms, [{operator: "dm", operand: "alice@example.com,ray@example.com"}]);
// Test with some invalid persons
emails = "alice@example.com,random,ray@example.com";
args.called = false;
message_view.to_compose_target();
assert.equal(args.called, true);
assert.deepEqual(args.terms, [{operator: "is", operand: "dm"}]);
// Test with all invalid persons
emails = "alice,random,ray";
args.called = false;
message_view.to_compose_target();
assert.equal(args.called, true);
assert.deepEqual(args.terms, [{operator: "is", operand: "dm"}]);
// Test with no persons
emails = "";
args.called = false;
message_view.to_compose_target();
assert.equal(args.called, true);
assert.deepEqual(args.terms, [{operator: "is", operand: "dm"}]);
});
run_test("narrow_compute_title", () => {
// Only tests cases where the narrow title is different from the filter title.
let filter;
// Recent conversations & Inbox have `undefined` filter.
filter = undefined;
recent_view_util.set_visible(true);
inbox_util.set_visible(false);
assert.equal(narrow_title.compute_narrow_title(filter), "translated: Recent conversations");
recent_view_util.set_visible(false);
inbox_util.set_visible(true);
assert.equal(narrow_title.compute_narrow_title(filter), "translated: Inbox");
inbox_util.set_visible(false);
filter = new Filter([{operator: "in", operand: "home"}]);
assert.equal(narrow_title.compute_narrow_title(filter), "translated: Combined feed");
// Search & uncommon narrows
filter = new Filter([{operator: "search", operand: "potato"}]);
assert.equal(narrow_title.compute_narrow_title(filter), "translated: Search results");
filter = new Filter([{operator: "sender", operand: "me"}]);
assert.equal(narrow_title.compute_narrow_title(filter), "translated: Messages sent by you");
// Stream narrows
const foo_stream_id = 43;
const sub = {
name: "Foo",
stream_id: foo_stream_id,
};
stream_data.add_sub(sub);
filter = new Filter([
{operator: "stream", operand: foo_stream_id.toString()},
{operator: "topic", operand: "bar"},
]);
assert.equal(narrow_title.compute_narrow_title(filter), "#Foo > bar");
filter = new Filter([{operator: "stream", operand: foo_stream_id.toString()}]);
assert.equal(narrow_title.compute_narrow_title(filter), "#Foo");
filter = new Filter([{operator: "stream", operand: "Elephant"}]);
assert.equal(narrow_title.compute_narrow_title(filter), "translated: Unknown channel");
// Direct messages with narrows
const joe = {
email: "joe@example.com",
user_id: 31,
full_name: "joe",
};
people.add_active_user(joe);
filter = new Filter([{operator: "dm", operand: "joe@example.com"}]);
assert.equal(narrow_title.compute_narrow_title(filter), "joe");
filter = new Filter([{operator: "dm", operand: "joe@example.com,sally@doesnotexist.com"}]);
blueslip.expect("warn", "Unknown emails");
assert.equal(narrow_title.compute_narrow_title(filter), "translated: Invalid users");
blueslip.reset();
filter = new Filter([{operator: "dm", operand: "sally@doesnotexist.com"}]);
blueslip.expect("warn", "Unknown emails");
assert.equal(narrow_title.compute_narrow_title(filter), "translated: Invalid user");
});