mirror of https://github.com/zulip/zulip.git
114 lines
2.6 KiB
JavaScript
114 lines
2.6 KiB
JavaScript
// These unit tests for static/js/message_list.js emphasize the model-ish
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// aspects of the MessageList class. We have to stub out a few functions
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// related to views and events to get the tests working.
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var assert = require('assert');
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(function set_up_dependencies () {
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global.document = null;
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global.$ = function () {
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return {
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on: function () {},
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trigger: function () {}
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};
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};
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global._ = require('third/underscore/underscore.js');
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global.util = require('js/util.js');
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global.MessageListView = require('js/message_list_view.js');
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global.feature_flags = {};
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}());
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var MessageList = require('js/message_list');
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(function test_basics() {
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var table;
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var filter = {};
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var list = new MessageList(table, filter);
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var messages = [
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{
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id: 50,
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content: 'fifty'
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},
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{
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id: 60
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},
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{
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id: 70
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},
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{
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id: 80
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}
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];
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assert.equal(list.empty(), true);
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list.append(messages, true);
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assert.equal(list.empty(), false);
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assert.equal(list.first().id, 50);
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assert.equal(list.last().id, 80);
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assert.equal(list.get(50).content, 'fifty');
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assert.equal(list.closest_id(49), 50);
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assert.equal(list.closest_id(50), 50);
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assert.equal(list.closest_id(51), 50);
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assert.equal(list.closest_id(59), 60);
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assert.equal(list.closest_id(60), 60);
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assert.equal(list.closest_id(61), 60);
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assert.deepEqual(list.all(), messages);
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global.$.Event = function (ev) {
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assert.equal(ev, 'message_selected.zulip');
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};
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list.select_id(50);
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assert.equal(list.selected_id(), 50);
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list.advance_past_messages([60, 80]);
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assert.equal(list.selected_id(), 60);
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var old_messages = [
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{
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id: 30
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},
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{
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id: 40
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}
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];
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list.prepend(old_messages, true);
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assert.equal(list.first().id, 30);
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assert.equal(list.last().id, 80);
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var new_messages = [
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{
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id: 90
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}
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];
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list.append(new_messages, true);
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assert.equal(list.last().id, 90);
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list.view.clear_table = function () {};
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list.clear();
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assert.deepEqual(list.all(), []);
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}());
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(function test_nth_most_recent_id() {
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var table;
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var filter = {};
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var list = new MessageList(table, filter);
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list.append([{id:10}, {id:20}, {id:30}]);
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assert.equal(list.nth_most_recent_id(1), 30);
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assert.equal(list.nth_most_recent_id(2), 20);
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assert.equal(list.nth_most_recent_id(3), 10);
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assert.equal(list.nth_most_recent_id(4), -1);
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}());
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