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var phantom = require('node-phantom-simple'),
phantomjs = require('phantomjs'),
assert = require('assert'),
testutil = require('./lib/testutil'),
one_step_timeout = 8000,
refreshThen = testutil.refreshThen,
asyncTest = testutil.asyncTest;
describe('code debugger', function() {
var _ph, _page;
before(function(done) {
// Create the headless webkit browser.
phantom.create(function(error, ph) {
assert.ifError(error);
// Open a page for browsing.
_ph = ph;
_ph.createPage(function(err, page) {
_page = page;
// Set the size to a modern laptop size.
page.set('viewportSize', { width: 1200, height: 900 }, function(err) {
assert.ifError(err);
// Point it to a blank page to start
page.open('about:blank', function(err, status){
assert.ifError(err);
assert.equal(status, 'success');
done();
});
});
});
}, {
// Launch phantomjs from the phantomjs package.
phantomPath: phantomjs.path,
parameters: {
// Use the test server as a proxy server, so that all requests
// go to this server (instead of trying real DNS lookups).
proxy: '127.0.0.1:8193',
// Set the disk storage to zero to avoid persisting localStorage
// between test runs.
'local-storage-quota': 0
}
});
});
after(function() {
// Be sure to kill the browser when the test is done, or else
// we can leave orphan processes.
_ph.exit();
});
it('should show run button when loading code', function(done) {
// Navigate to see the editor for the program named "first".
_page.open('http://livetest.pencilcode.net.dev/edit/hi',
function(err, status) {
assert.ifError(err);
assert.equal(status, 'success');
asyncTest(_page, one_step_timeout, null, null, function() {
// Poll until the element with class="editor" appears on the page.
if (!$('.editor').length) return;
// Reach in and return the text that is shown within the editor.
var ace_editor = ace.edit($('.droplet-ace')[0]);
return {
text: ace_editor.getSession().getValue(),
runbuttoncount: $('#run').length
};
}, function(err, result) {
assert.ifError(err);
// The editor text should contain this line of code.
assert.ok(/pen blue/.test(result.text));
assert.equal(result.runbuttoncount, 1);
done();
});
});
});
it('should be able to run the program', function(done) {
asyncTest(_page, one_step_timeout, null, function() {
// Click on the triangle run button.
$('#run').mousedown();
$('#run').click();
}, function() {
try {
// Wait for the preview frame to show
if (!$('.preview iframe').length) return;
if (!$('.preview iframe')[0].contentWindow.see) return;
// Evaluate some expression in the coffeescript evaluation window.
var seval = $('.preview iframe')[0].contentWindow.see.eval;
// And also wait for the turtle to start moving.
if (seval('getxy()')[1] < 10) return;
return {
direction: seval('direction()'),
getxy: seval('getxy()'),
touchesred: seval('touches red'),
touchesblue: seval('touches blue'),
queuelen: seval('turtle.queue().length'),
stopcount: $('#stop').length
};
}
catch(e) {
return {poll: true, error: e};
}
}, function(err, result) {
assert.ifError(err);
// The first move is forward....
assert.equal(0, result.direction);
assert.ok(Math.abs(result.getxy[0] - 0) < 1e-6);
// The turtle should not be touching any red pixels.
assert.equal(false, result.touchesred);
// The turtle should be touching blue pixels that it drew.
assert.equal(true, result.touchesblue);
// The turtle should still have lots of queued actions.
assert.ok(result.queuelen > 0);
// The stop button should be showing
assert.equal(1, result.stopcount);
done();
});
});
it('should be able to stop the program', function(done) {
asyncTest(_page, one_step_timeout, null, function() {
// Click on the square stop button.
$('#stop').mousedown();
$('#stop').click();
}, function() {
try {
if (!$('.preview iframe').length) return;
if (!$('.preview iframe')[0].contentWindow.see) return;
// Evaluate some expression in the coffeescript evaluation window.
var seval = $('.preview iframe')[0].contentWindow.see.eval;
// Reset interrupts so that we can evaluate some expressions.
seval('interrupt("reset")');
// And also wait for the turtle to start moving.
return {
touchesred: seval('touches red'),
touchesblue: seval('touches blue'),
queuelen: seval('turtle.queue().length'),
debugtracecount: $('.debugtrace').length,
debugtracetop: $('.debugtrace').css('top')
};
}
catch(e) {
return {poll: true, error: e};
}
}, function(err, result) {
assert.ifError(err);
// The turtle should not be touching any red pixels.
assert.equal(false, result.touchesred);
// The turtle should be touching blue pixels that it drew.
assert.equal(true, result.touchesblue);
// The turtle should not be moving any more.
assert.equal(0, result.queuelen);
/* TODO: investigate if PhantomJS stack traces can be parsed.
* For now, line tracing dosn't work on PhantomJS, so these tests
* are disabled.
// A line of code should be traced.
assert.equal(1, result.debugtracecount);
// The traced code should be around line 4 or beyond.
assert.ok(parseInt(result.debugtracetop) > 80);
*/
done();
});
});
it('is done', function(done) {
asyncTest(_page, one_step_timeout, null, function() {
// Final cleanup: delete local storage and the cookie.
localStorage.clear();
document.cookie='login=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/';
}, function() {
return {
cookie: document.cookie
};
}, function(err, result) {
assert.ifError(err);
assert.ok(!/login=/.test(result.cookie));
done();
});
});
});