zulip/frontend_tests/node_tests/typing_data.js

var typing_data = require("js/typing_data.js");


(function test_basics() {
    // The typing_data needs to be robust with lists of
    // user ids being in arbitrary sorting order and
    // possibly in string form instead of integer. So all
    // the apparent randomness in these tests has a purpose.
    typing_data.add_typist([5, 10, 15], 15);
    assert.deepEqual(typing_data.get_group_typists([15, 10, 5]), [15]);

    // test that you can add twice
    typing_data.add_typist([5, 10, 15], 15);

    // add another id to our first group
    typing_data.add_typist([5, 10, 15], "10");
    assert.deepEqual(typing_data.get_group_typists([10, 15, 5]), [10, 15]);

    // start adding to a new group
    typing_data.add_typist([7, 15], 7);
    typing_data.add_typist([7, "15"], 15);

    // test get_all_typists
    assert.deepEqual(typing_data.get_all_typists(), [7, 10, 15]);

    // test basic removal
    assert(typing_data.remove_typist([15, 7], "7"));
    assert.deepEqual(typing_data.get_group_typists([7, 15]), [15]);

    // test removing an id that is not there
    assert(!typing_data.remove_typist([15, 7], 7));
    assert.deepEqual(typing_data.get_group_typists([7, 15]), [15]);
    assert.deepEqual(typing_data.get_all_typists(), [10, 15]);

    // remove user from one group, but "15" will still be among
    // "all typists"
    assert(typing_data.remove_typist(["15", 7], "15"));
    assert.deepEqual(typing_data.get_all_typists(), [10, 15]);

    // now remove from the other group
    assert(typing_data.remove_typist([5, 15, 10], 15));
    assert.deepEqual(typing_data.get_all_typists(), [10]);

    // test duplicate ids in a groups
    typing_data.add_typist([20, 40, 20], 20);
    assert.deepEqual(typing_data.get_group_typists([20, 40]), [20]);
}());