test('[lesson.next] correct, two in a row, found, then found', function (t) {
//SETUP
var ui = SETUP();
var l = lesson({UI: ui});
ui.input.set("0");
//set a test array on the lesson
var array_setup = require('lib/lesson/util/array_setup');
var array = array_setup({size:4, fill:[0, 1, 2, 3]});
//remove the array the lesson allocates automatically
ui.stage.del(l._array);
//substitute the array we allocated into the lesson
l._array = array;
l._arrow = array._.arrow;
//add the test array to the stage
ui.stage.add(l._array);
//TEST
var found_case1_interval_ID = setInterval(found_case1, 1500);
var found_case2_interval_ID;
function found_case1() {
var result = l.next();
if (result.done) {
var output = ui.output.get();
t.ok(output.match(/smaller/));
t.ok(output.match(/removing the selected value/));
//CLEANUP
clearInterval(found_case1_interval_ID);
//setup new input for next part of the lesson
ui.input.set("2");
found_case2_interval_ID = setInterval(found_case2, 1500);
}
};
function found_case2() {
var result = l.next();
if (result.done) {
console.log("DONE");
var output = ui.output.get();
t.ok(output.match(/smaller/));
t.ok(output.match(/removing the selected value/));
//CLEANUP
TEARDOWN();
t.end();
clearInterval(found_case2_interval_ID);
}
};
});
test('[lesson] correct', function (t) {
t.plan(4);
//SETUP
var ui = SETUP();
var stage_add_called = false;
ui.stage.add = function() {
stage_add_called = true;
};
var l = lesson({UI: ui});
//TEST
t.ok(check.object(l._array), "setup the array");
t.ok(check.object(l._arrow), "populated the arrow reference, from setting up the array");
t.ok(stage_add_called, "added the array to the stage");
//t.ok(check.object(l._search), "setup the search logic");
//avoid calling _next() on click
l._next = function() {};
ui.pub_sub.subscribe("click.next_button", function() {
t.ok(true, "saw click event published");
TEARDOWN();
});
ui.pub_sub.publish("click.next_button");
});
test('[lesson.next] incorrect, INIT state', function (t) {
//SETUP
var ui = SETUP();
var l = lesson({UI: ui});
l._state = l._INIT;
//TEST
var result = l.next();
t.notOk(result);
//CLEANUP
TEARDOWN();
t.end();
});
test('[lesson.next] correct, search found case, looping through delete', function (t) {
//SETUP
var ui = SETUP();
var l = lesson({UI: ui});
ui.input.set("0");
//set a test array on the lesson
var array_setup = require('lib/lesson/util/array_setup');
var array = array_setup({size:4, fill:[0, 1, 2, 3]});
//remove the array the lesson allocates automatically
ui.stage.del(l._array);
//substitute the array we allocated into the lesson
l._array = array;
l._arrow = array._.arrow;
//add the test array to the stage
ui.stage.add(l._array);
//TEST
//iterate through the lesson logic, until we reach the end of the search
var intervalID = setInterval(function() {
var result = l.next();
if (result.done) {
console.log("DONE");
t.ok(check.undefined(l._delete));
t.ok(check.undefined(l._delete_index));
t.ok(check.undefined(l._step_state));
t.ok(check.undefined(l._input_tmp));
t.equal(l._state, l._READY);
t.notOk(ui.input.self._.htmlElement.disabled, "text input is no longer disabled");
var output = ui.output.get();
t.ok(output.match(/smaller/));
t.ok(output.match(/removing the selected value/));
//CLEANUP
TEARDOWN();
t.end();
clearInterval(intervalID);
}
}, 1500);
});
test('[lesson.next] correct, search found case (stopping before delete)', function (t) {
//SETUP
var ui = SETUP();
var l = lesson({UI: ui});
ui.input.set("0");
//set a test array on the lesson
var array_setup = require('lib/lesson/util/array_setup');
var array = array_setup({size:4, fill:[0, 1, 2, 3]});
//remove the array the lesson allocates automatically
ui.stage.del(l._array);
//substitute the array we allocated into the lesson
l._array = array;
l._arrow = array._.arrow;
//add the test array to the stage
ui.stage.add(l._array);
//TEST
//iterate through the lesson logic, until we reach the end of the search
var intervalID = setInterval(function() {
var result = l.next();
if (l._step_state === l._STEP_DELETE) {
console.log("DONE");
t.ok(check.undefined(l._search));
t.ok(check.number(l._delete_index));
t.equal(l._delete_index, 0);
t.equal(l._step_state, l._STEP_DELETE);
t.ok(check.not.undefined(l._delete));
var output = ui.output.get();
t.ok(output.match(/found the value/));
t.ok(output.match(/remove the value/));
//CLEANUP
TEARDOWN();
t.end();
clearInterval(intervalID);
}
}, 1500);
});
test('[lesson.next] correct', function (t) {
//SETUP
var ui = SETUP();
var l = lesson({UI: ui});
ui.input.set("0");
//TEST
var result = l.next();
t.ok(check.object(result));
t.notOk(result.done);
t.ok(ui.input.self._.htmlElement.disabled, "text input disabled once started a lesson");
//CLEANUP
TEARDOWN();
t.end();
});
test('[lesson] incorrect, no arguments', function (t) {
t.plan(4);
//SETUP
var ui = SETUP();
//TEST
try {
lesson();
} catch(error) {
t.ok(check.instanceStrict(error, TypeError), 'we should get back a TypeError');
var message = error.toString();
t.ok(message.match(/UI/), 'tells you what caused the problem');
t.ok(message.match(/is required/), 'tells you what caused the problem');
t.ok(message.match(/should be object/), 'tells you what caused the problem');
}
TEARDOWN();
});
test('[lesson.next] incorrect, bad input', function (t) {
//SETUP
var ui = SETUP();
var l = lesson({UI: ui});
ui.input.set("");
//TEST
var result = l.next();
t.notOk(result);
var output = ui.output.get();
t.ok(output.match(/not a number/), 'shows what was wrong');
t.ok(output.match(/Please enter a number/), 'tells you what to enter');
t.ok(output.match(/the 'Next' button/), '...and what to do');
//CLEANUP
TEARDOWN();
t.end();
});
test('[lesson.next] _STEP_INIT_SEARCH', function (t) {
//SETUP
var ui = SETUP();
var l = lesson({UI: ui});
ui.input.set("0");
l._state = l._READY;
//TEST
var result = l.next();
var output = ui.output.get();
t.ok(output.match(/search/));
t.ok(output.match(/linear search/));
t.ok(output.match(/delete/));
t.equal(l._step_state, l._STEP_SEARCH);
//CLEANUP
TEARDOWN();
t.end();
});
test('[lesson.next] correct, two in a row, not found, then found', function (t) {
//SETUP
var ui = SETUP();
var l = lesson({UI: ui});
ui.input.set("-1");
//set a test array on the lesson
var array_setup = require('lib/lesson/util/array_setup');
var array = array_setup({size:4, fill:[0, 1, 2, 3]});
//remove the array the lesson allocates automatically
ui.stage.del(l._array);
//substitute the array we allocated into the lesson
l._array = array;
l._arrow = array._.arrow;
//add the test array to the stage
ui.stage.add(l._array);
//TEST
var not_found_case_interval_ID = setInterval(not_found_case, 1500);
var found_case_interval_ID;
function not_found_case() {
var result = l.next();
if (result.done) {
t.ok(check.undefined(l._step_state));
t.equal(l._state, l._READY, "in READY state after completely traversing a lesson");
t.notOk(ui.input.self._.htmlElement.disabled, "text input is no longer disabled");
t.ok(result.done);
t.ok(check.undefined(l._search));
//CLEANUP
clearInterval(not_found_case_interval_ID);
//setup new input for next part of the lesson
ui.input.set("0");
found_case_interval_ID = setInterval(found_case, 1500);
}
};
function found_case() {
var result = l.next();
if (result.done) {
console.log("DONE");
t.ok(check.undefined(l._delete));
t.ok(check.undefined(l._delete_index));
t.ok(check.undefined(l._step_state));
t.ok(check.undefined(l._input_tmp));
t.equal(l._state, l._READY);
t.notOk(ui.input.self._.htmlElement.disabled, "text input is no longer disabled");
var output = ui.output.get();
t.ok(output.match(/smaller/));
t.ok(output.match(/removing the selected value/));
//CLEANUP
TEARDOWN();
t.end();
clearInterval(found_case_interval_ID);
}
};
});