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	Instead of prohibiting ‘return undefined’ (#8669), we require that a function must return an explicit value always or never. This prevents you from forgetting to return a value in some cases. It will also be important for TypeScript, which distinguishes between undefined and void. Signed-off-by: Anders Kaseorg <anders@zulip.com>
		
			
				
	
	
		
			301 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			301 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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global.stub_out_jquery();
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set_global("ui", {
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    get_content_element: (element) => element,
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    get_scroll_element: (element) => element,
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});
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zrequire("stream_data");
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zrequire("search_util");
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set_global("page_params", {});
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set_global("location", {
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    hash: "#streams/1/announce",
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});
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zrequire("subs");
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set_global("$", global.make_zjquery());
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set_global("hash_util", {
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    by_stream_uri: () => {},
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});
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run_test("filter_table", () => {
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    const stream_list = $(".streams-list");
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    let scrolltop_called = false;
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    stream_list.scrollTop = function (set) {
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        scrolltop_called = true;
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        if (!set) {
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            return 10;
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        }
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        assert.equal(set, 10);
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        return this;
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    };
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    // set-up sub rows stubs
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    const sub_row_data = [
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        {
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            elem: "denmark",
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            subscribed: false,
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            name: "Denmark",
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            stream_id: 1,
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            description: "Copenhagen",
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            subscribers: {size: 1},
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            stream_weekly_traffic: null,
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        },
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        {
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            elem: "poland",
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            subscribed: true,
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            name: "Poland",
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            stream_id: 2,
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            description: "monday",
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            subscribers: {size: 3},
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            stream_weekly_traffic: 13,
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        },
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        {
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            elem: "pomona",
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            subscribed: true,
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            name: "Pomona",
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            stream_id: 3,
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            description: "college",
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            subscribers: {size: 0},
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            stream_weekly_traffic: 0,
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        },
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        {
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            elem: "cpp",
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            subscribed: true,
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            name: "C++",
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            stream_id: 4,
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            description: "programming lang",
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            subscribers: {size: 2},
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            stream_weekly_traffic: 6,
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        },
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        {
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            elem: "zzyzx",
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            subscribed: true,
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            name: "Zzyzx",
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            stream_id: 5,
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            description: "california town",
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            subscribers: {size: 2},
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            stream_weekly_traffic: 6,
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        },
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    ];
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    for (const sub of sub_row_data) {
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        stream_data.add_sub(sub);
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    }
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    let populated_subs;
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    global.stub_templates((fn, data) => {
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        assert.equal(fn, "subscriptions");
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        populated_subs = data.subscriptions;
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    });
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    subs.populate_stream_settings_left_panel();
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    const sub_stubs = [];
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    for (const data of populated_subs) {
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        const sub_row = ".stream-row-" + data.elem;
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        sub_stubs.push(sub_row);
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        $(sub_row).attr("data-stream-id", data.stream_id);
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        $(sub_row).set_find_results(
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            '.sub-info-box [class$="-bar"] [class$="-count"]',
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            $(".tooltip"),
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        );
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        $(sub_row).detach = function () {
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            return sub_row;
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        };
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    }
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    let tooltip_called = false;
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    $(".tooltip").tooltip = function (obj) {
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        tooltip_called = true;
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        assert.deepEqual(obj, {
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            placement: "left",
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            animation: false,
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        });
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    };
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    $.stub_selector("#subscriptions_table .stream-row", sub_stubs);
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    const sub_table = $("#subscriptions_table .streams-list");
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    let sub_table_append = [];
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    sub_table.append = function (rows) {
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        sub_table_append.push(rows);
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    };
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    let ui_called = false;
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    ui.reset_scrollbar = function (elem) {
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        ui_called = true;
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        assert.equal(elem, $("#subscription_overlay .streams-list"));
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    };
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    // Search with single keyword
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    subs.filter_table({input: "Po", subscribed_only: false});
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    assert($(".stream-row-denmark").hasClass("notdisplayed"));
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    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
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    assert(!$(".stream-row-pomona").hasClass("notdisplayed"));
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    assert($(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    // assert these once and call it done
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    assert(ui_called);
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    assert(scrolltop_called);
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    assert(tooltip_called);
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    assert.deepEqual(sub_table_append, [
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        ".stream-row-poland",
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        ".stream-row-pomona",
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        ".stream-row-cpp",
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        ".stream-row-zzyzx",
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        ".stream-row-denmark",
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    ]);
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    // Search with multiple keywords
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    subs.filter_table({input: "Denmark, Pol", subscribed_only: false});
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    assert(!$(".stream-row-denmark").hasClass("notdisplayed"));
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    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
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    assert($(".stream-row-pomona").hasClass("notdisplayed"));
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    assert($(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    subs.filter_table({input: "Den, Pol", subscribed_only: false});
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    assert(!$(".stream-row-denmark").hasClass("notdisplayed"));
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    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
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    assert($(".stream-row-pomona").hasClass("notdisplayed"));
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    assert($(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    // Search is case-insensitive
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    subs.filter_table({input: "po", subscribed_only: false});
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    assert($(".stream-row-denmark").hasClass("notdisplayed"));
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    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
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    assert(!$(".stream-row-pomona").hasClass("notdisplayed"));
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    assert($(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    // Search handles unusual characters like C++
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    subs.filter_table({input: "c++", subscribed_only: false});
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    assert($(".stream-row-denmark").hasClass("notdisplayed"));
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    assert($(".stream-row-poland").hasClass("notdisplayed"));
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    assert($(".stream-row-pomona").hasClass("notdisplayed"));
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    assert(!$(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    // Search subscribed streams only
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    subs.filter_table({input: "d", subscribed_only: true});
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    assert($(".stream-row-denmark").hasClass("notdisplayed"));
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    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
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    assert($(".stream-row-pomona").hasClass("notdisplayed"));
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    assert($(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    // Search terms match stream description
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    subs.filter_table({input: "Co", subscribed_only: false});
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    assert(!$(".stream-row-denmark").hasClass("notdisplayed"));
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    assert($(".stream-row-poland").hasClass("notdisplayed"));
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    assert(!$(".stream-row-pomona").hasClass("notdisplayed"));
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    assert($(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    // Search names AND descriptions
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    sub_table_append = [];
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    subs.filter_table({input: "Mon", subscribed_only: false});
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    assert($(".stream-row-denmark").hasClass("notdisplayed"));
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    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
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    assert(!$(".stream-row-pomona").hasClass("notdisplayed"));
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    assert($(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    assert.deepEqual(sub_table_append, [
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        ".stream-row-pomona",
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        ".stream-row-poland",
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        ".stream-row-cpp",
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        ".stream-row-zzyzx",
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        ".stream-row-denmark",
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    ]);
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    // Explicitly order streams by name
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    sub_table_append = [];
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    subs.filter_table({input: "", subscribed_only: false, sort_order: "by-stream-name"});
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    assert.deepEqual(sub_table_append, [
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        ".stream-row-cpp",
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        ".stream-row-denmark",
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        ".stream-row-poland",
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        ".stream-row-pomona",
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        ".stream-row-zzyzx",
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    ]);
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    // Order streams by subscriber count
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    sub_table_append = [];
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    subs.filter_table({input: "", subscribed_only: false, sort_order: "by-subscriber-count"});
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    assert.deepEqual(sub_table_append, [
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        ".stream-row-poland",
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        ".stream-row-cpp",
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        ".stream-row-zzyzx",
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        ".stream-row-denmark",
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        ".stream-row-pomona",
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    ]);
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    // Order streams by weekly traffic
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    sub_table_append = [];
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    subs.filter_table({input: "", subscribed_only: false, sort_order: "by-weekly-traffic"});
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    assert.deepEqual(sub_table_append, [
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        ".stream-row-poland",
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        ".stream-row-cpp",
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        ".stream-row-zzyzx",
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        ".stream-row-pomona",
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        ".stream-row-denmark",
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    ]);
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    // Showing subscribed streams only puts un-subscribed DOM elements last
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    sub_table_append = [];
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    subs.filter_table({input: "", subscribed_only: true, sort_order: "by-subscriber-count"});
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    assert.deepEqual(sub_table_append, [
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        ".stream-row-poland",
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        ".stream-row-cpp",
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        ".stream-row-zzyzx",
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        ".stream-row-pomona",
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        ".stream-row-denmark",
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    ]);
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    // active stream-row is not included in results
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    $(".stream-row-denmark").addClass("active");
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    $(".stream-row.active").hasClass = function (cls) {
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        assert.equal(cls, "notdisplayed");
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        return $(".stream-row-denmark").hasClass("active");
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    };
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    $(".stream-row.active").removeClass = function (cls) {
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        assert.equal(cls, "active");
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        $(".stream-row-denmark").removeClass("active");
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    };
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    subs.filter_table({input: "d", subscribed_only: true});
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    assert(!$(".stream-row-denmark").hasClass("active"));
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    assert(!$(".right .settings").visible());
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    assert($(".nothing-selected").visible());
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    subs.filter_table({input: "d", subscribed_only: true});
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    assert($(".stream-row-denmark").hasClass("notdisplayed"));
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    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
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    assert($(".stream-row-pomona").hasClass("notdisplayed"));
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    assert($(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    subs.filter_table({input: "d", subscribed_only: true});
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    assert($(".stream-row-denmark").hasClass("notdisplayed"));
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    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
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    assert($(".stream-row-pomona").hasClass("notdisplayed"));
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    assert($(".stream-row-cpp").hasClass("notdisplayed"));
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    assert($(".stream-row-zzyzx").hasClass("notdisplayed"));
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    // test selected row set to active
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    $(".stream-row[data-stream-id='1']").removeClass("active");
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    subs.filter_table({input: "", subscribed_only: false});
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    assert($(".stream-row[data-stream-id='1']").hasClass("active"));
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});
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