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42435db492
This run_test helper sets up a convention that allows us to give really short tracebacks for errors, and eventually we can have more control over running individual tests. (The latter goal has some complications, since we often intentionally leak setup in tests.)
336 lines
9.6 KiB
JavaScript
336 lines
9.6 KiB
JavaScript
set_global('blueslip', {});
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set_global('pm_conversations', {
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recent: {},
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});
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zrequire('muting');
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zrequire('unread');
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zrequire('stream_data');
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zrequire('topic_data');
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zrequire('stream_sort');
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var tg = zrequire('topic_generator');
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function is_even(i) { return i % 2 === 0; }
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function is_odd(i) { return i % 2 === 1; }
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run_test('basics', () => {
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var gen = tg.list_generator([10, 20, 30]);
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assert.equal(gen.next(), 10);
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assert.equal(gen.next(), 20);
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assert.equal(gen.next(), 30);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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var gen1 = tg.list_generator([100, 200]);
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var gen2 = tg.list_generator([300, 400]);
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var outers = [gen1, gen2];
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gen = tg.chain(outers);
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assert.equal(gen.next(), 100);
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assert.equal(gen.next(), 200);
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assert.equal(gen.next(), 300);
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assert.equal(gen.next(), 400);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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gen = tg.wrap([5, 15, 25, 35], 25);
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assert.equal(gen.next(), 25);
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assert.equal(gen.next(), 35);
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assert.equal(gen.next(), 5);
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assert.equal(gen.next(), 15);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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gen = tg.wrap_exclude([5, 15, 25, 35], 25);
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assert.equal(gen.next(), 35);
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assert.equal(gen.next(), 5);
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assert.equal(gen.next(), 15);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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gen = tg.wrap([5, 15, 25, 35], undefined);
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assert.equal(gen.next(), 5);
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gen = tg.wrap_exclude([5, 15, 25, 35], undefined);
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assert.equal(gen.next(), 5);
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gen = tg.wrap([5, 15, 25, 35], 17);
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assert.equal(gen.next(), 5);
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gen = tg.wrap([], 42);
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assert.equal(gen.next(), undefined);
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var ints = tg.list_generator([1, 2, 3, 4, 5]);
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gen = tg.filter(ints, is_even);
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assert.equal(gen.next(), 2);
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assert.equal(gen.next(), 4);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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ints = tg.list_generator([]);
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gen = tg.filter(ints, is_even);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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ints = tg.list_generator([10, 20, 30]);
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function mult10(x) { return x * 10; }
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gen = tg.map(ints, mult10);
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assert.equal(gen.next(), 100);
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assert.equal(gen.next(), 200);
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});
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run_test('reverse', () => {
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var gen = tg.reverse_list_generator([10, 20, 30]);
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assert.equal(gen.next(), 30);
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assert.equal(gen.next(), 20);
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assert.equal(gen.next(), 10);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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// If second parameter is not in the list, we just traverse the list
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// in reverse.
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gen = tg.reverse_wrap_exclude([10, 20, 30]);
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assert.equal(gen.next(), 30);
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assert.equal(gen.next(), 20);
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assert.equal(gen.next(), 10);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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gen = tg.reverse_wrap_exclude([10, 20, 30], 'whatever');
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assert.equal(gen.next(), 30);
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assert.equal(gen.next(), 20);
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assert.equal(gen.next(), 10);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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// Witness the mostly typical cycling behavior.
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gen = tg.reverse_wrap_exclude([5, 10, 20, 30], 20);
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assert.equal(gen.next(), 10);
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assert.equal(gen.next(), 5);
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assert.equal(gen.next(), 30);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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gen = tg.reverse_wrap_exclude([5, 10, 20, 30], 5);
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assert.equal(gen.next(), 30);
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assert.equal(gen.next(), 20);
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assert.equal(gen.next(), 10);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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gen = tg.reverse_wrap_exclude([5, 10, 20, 30], 30);
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assert.equal(gen.next(), 20);
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assert.equal(gen.next(), 10);
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assert.equal(gen.next(), 5);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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// Test small lists.
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gen = tg.reverse_wrap_exclude([], 5);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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gen = tg.reverse_wrap_exclude([5], 5);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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gen = tg.reverse_wrap_exclude([5], 10);
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assert.equal(gen.next(), 5);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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});
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run_test('fchain', () => {
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var mults = function (n) {
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var ret = 0;
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return {
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next: function () {
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ret += n;
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return (ret <= 100) ? ret : undefined;
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},
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};
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};
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var ints = tg.list_generator([29, 43]);
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var gen = tg.fchain(ints, mults);
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assert.equal(gen.next(), 29);
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assert.equal(gen.next(), 58);
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assert.equal(gen.next(), 87);
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assert.equal(gen.next(), 43);
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assert.equal(gen.next(), 86);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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ints = tg.wrap([33, 34, 37], 37);
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ints = tg.filter(ints, is_odd);
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gen = tg.fchain(ints, mults);
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assert.equal(gen.next(), 37);
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assert.equal(gen.next(), 74);
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assert.equal(gen.next(), 33);
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assert.equal(gen.next(), 66);
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assert.equal(gen.next(), 99);
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assert.equal(gen.next(), undefined);
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assert.equal(gen.next(), undefined);
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var undef = function () {
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return;
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};
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global.blueslip.error = function (msg) {
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assert.equal(msg, 'Invalid generator returned.');
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};
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ints = tg.list_generator([29, 43]);
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gen = tg.fchain(ints, undef);
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gen.next();
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});
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run_test('streams', () => {
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function assert_next_stream(curr_stream, expected) {
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var actual = tg.get_next_stream(curr_stream);
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assert.equal(actual, expected);
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}
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global.stream_sort.get_streams = function () {
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return ['announce', 'muted', 'devel', 'test here'];
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};
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assert_next_stream(undefined, 'announce');
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assert_next_stream('NOT THERE', 'announce');
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assert_next_stream('announce', 'muted');
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assert_next_stream('test here', 'announce');
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function assert_prev_stream(curr_stream, expected) {
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var actual = tg.get_prev_stream(curr_stream);
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assert.equal(actual, expected);
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}
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assert_prev_stream(undefined, 'test here');
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assert_prev_stream('test here', 'devel');
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assert_prev_stream('announce', 'test here');
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});
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run_test('topics', () => {
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var streams = [1, 2, 3, 4];
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var topics = {};
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topics[1] = ['read', 'read', '1a', '1b', 'read', '1c'];
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topics[2] = [];
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topics[3] = ['3a', 'read', 'read', '3b', 'read'];
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topics[4] = ['4a'];
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function has_unread_messages(stream, topic) {
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return topic !== 'read';
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}
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function get_topics(stream) {
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return topics[stream];
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}
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function next_topic(curr_stream, curr_topic) {
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return tg.next_topic(
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streams,
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get_topics,
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has_unread_messages,
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curr_stream,
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curr_topic);
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}
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assert.deepEqual(next_topic(1, '1a'),
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{stream: 1, topic: '1b'});
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assert.deepEqual(next_topic(1, undefined),
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{stream: 1, topic: '1a'});
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assert.deepEqual(next_topic(2, 'bogus'),
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{stream: 3, topic: '3a'});
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assert.deepEqual(next_topic(3, '3b'),
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{stream: 3, topic: '3a'});
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assert.deepEqual(next_topic(4, '4a'),
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{stream: 1, topic: '1a'});
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assert.deepEqual(next_topic(undefined, undefined),
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{stream: 1, topic: '1a'});
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// Now test the deeper function that is wired up to
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// real functions stream_data/stream_sort/unread.
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global.stream_sort.get_streams = function () {
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return ['announce', 'muted', 'devel', 'test here'];
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};
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var muted_stream_id = 400;
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var devel_stream_id = 401;
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var stream_id_dct = {
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muted: muted_stream_id,
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devel: devel_stream_id,
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};
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topic_data.get_recent_names = function (stream_id) {
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switch (stream_id) {
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case muted_stream_id:
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return ['ms-topic1', 'ms-topic2'];
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case devel_stream_id:
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return ['muted', 'python'];
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}
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return [];
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};
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global.stream_data.get_stream_id = function (stream_name) {
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return stream_id_dct[stream_name];
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};
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global.stream_data.name_in_home_view = function (stream_name) {
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return (stream_name !== 'muted');
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};
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global.unread.topic_has_any_unread = function (stream_id) {
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return _.contains([devel_stream_id, muted_stream_id], stream_id);
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};
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global.muting.is_topic_muted = function (stream_name, topic) {
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return (topic === 'muted');
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};
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var next_item = tg.get_next_topic('announce', 'whatever');
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assert.deepEqual(next_item, {
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stream: 'devel',
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topic: 'python',
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});
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next_item = tg.get_next_topic('muted', undefined);
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assert.deepEqual(next_item, {
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stream: 'muted',
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topic: 'ms-topic1',
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});
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});
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run_test('get_next_unread_pm_string', () => {
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pm_conversations.recent.get_strings = function () {
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return ['1', 'read', '2,3', '4', 'unk'];
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};
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unread.num_unread_for_person = function (user_ids_string) {
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if (user_ids_string === 'unk') {
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return;
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}
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if (user_ids_string === 'read') {
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return 0;
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}
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return 5; // random non-zero value
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};
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assert.equal(tg.get_next_unread_pm_string(), '1');
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assert.equal(tg.get_next_unread_pm_string('4'), '1');
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assert.equal(tg.get_next_unread_pm_string('unk'), '1');
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assert.equal(tg.get_next_unread_pm_string('4'), '1');
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assert.equal(tg.get_next_unread_pm_string('1'), '2,3');
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assert.equal(tg.get_next_unread_pm_string('read'), '2,3');
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assert.equal(tg.get_next_unread_pm_string('2,3'), '4');
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});
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