"use strict"; const assert = require("node:assert/strict"); const {mock_esm, zrequire} = require("./lib/namespace"); const {run_test} = require("./lib/test"); const blueslip = require("./lib/zblueslip"); const $ = require("./lib/zjquery"); const {page_params} = require("./lib/zpage_params"); 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"); });