exports.testBufferSaving = function() {
source.reset();
var testpr = new Promise();
var root = fs.Filesystem.create({ source: source });
var buffer = editsession.Buffer.create();
var model = buffer.get('model');
model.setValue('foobar');
t.equal(model.getValue(), 'foobar', 'the value stored in ' +
'the model and the string that was just written to it');
var file1 = root.getFile('bar.txt');
file1.exists().then(function(exists) {
t.ok(!exists, 'file should not be there now');
buffer.saveAs(file1).then(function() {
var request = source.requests.pop();
t.equal(request[0], 'saveContents');
t.equal(request[1][0], 'bar.txt');
t.equal(request[1][1], 'foobar');
file1.exists().then(function(exists) {
t.ok(exists, 'file should now exist');
testpr.resolve();
});
});
});
return testpr;
};
exports.testBufferFileChange = function() {
var root = fs.Filesystem.create({
source: source
});
var buffer = editsession.Buffer.create();
t.ok(buffer.get('model') != null,
'Model should be set to a TextStorage by default');
t.ok(buffer.untitled(), 'Buffer should initially be untitled');
var f = root.getFile('atTheTop.js');
buffer.changeFileOnly(f);
t.ok(!buffer.untitled(), 'Buffer should no longer be untitled');
t.equal('', buffer.get('model').getValue(), 'Should be empty now');
buffer.changeFileOnly(null);
t.ok(buffer.untitled(), 'Buffer should be untitled again');
buffer.set('file', f);
var pr = new Promise();
setTimeout(function() {
var newtext = buffer.get('model').getValue();
t.equal(newtext, 'the top file', 'Expected file contents to be loaded');
// now we want to reset the buffer.
buffer.changeFile(null);
t.ok(buffer.untitled(), 'Buffer should be untitled again');
newtext = buffer.get('model').getValue();
t.equal(newtext, '', 'editor text should be empty');
pr.resolve();
}, 1);
return pr;
};
exports.testBufferFileChangeWithCallback = function() {
var root = fs.Filesystem.create({
source: source
});
var buffer = editsession.Buffer.create();
var f = root.getFile('atTheTop.js');
var pr = buffer.changeFile(f);
var testpr = pr.then(function(b) {
t.equal(b, buffer, 'should have gotten the buffer object in');
t.equal(b.get('model').getValue(), 'the top file', 'contents should be loaded');
if (testpr != undefined) {
testpr.resolve();
}
});
return testpr;
};