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Copy pathstack-callbacks.js
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139 lines (114 loc) · 2.81 KB
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'use strict';
var Runtime = require('../');
it('uses the callback when a fn throws', function (done) {
var error = Error('on no!');
var runtime = Runtime.create();
function one () { throw error; }
runtime.stack(one)(function (err) {
err.should.be.eql(error);
done();
});
});
it('uses the callback when passes the error', function (done) {
var error = Error('on no!');
var runtime = Runtime.create();
function one (next) { next(error); }
runtime.stack(one)(function (err) {
err.should.be.eql(error);
done();
});
});
it('passes error to onHandleError when no callback given', function (done) {
var error = new Error('not again...');
var runtime = Runtime.createClass({
onHandleError: function (err) {
if (!(err instanceof Error)) {
return done(new Error('was\'t an instance of error'));
}
err.should.be.eql(error);
done();
}
}).create();
function one (next) {
next(error);
}
runtime.stack(one)();
});
it('runs the callback on completion', function (done) {
var runtime = Runtime.create();
var count = 0;
function one (next) {
++count; next();
}
function two (next) {
++count; next();
}
runtime.stack(one, two)(function (err) {
if (err) { return done(err); }
count.should.be.eql(2);
done();
});
});
it('runs fns in parallel by default', function (done) {
var runtime = Runtime.create();
var stack = '';
function one (next) {
setTimeout(function () {
stack += 'one';
next();
}, Math.random()*10);
}
function two (next) {
stack += 'two';
next();
}
runtime.stack(one, two)(function (err) {
if (err) { return done(err); }
stack.should.be.eql('twoone');
done();
});
});
it('{wait: true} should run functions in series', function (done) {
var runtime = Runtime.create();
var stack = '';
function one (next) {
setTimeout(function () {
stack += 'one';
next();
}, Math.random()*10);
}
function two (next) {
stack += 'two';
next();
}
runtime.stack(one, two, {wait: true})(function (err) {
if (err) { return done(err); }
stack.should.be.eql('onetwo');
done();
});
});
it('passes arguments when fns wait', function (done) {
var runtime = Runtime.create();
function one (next, foo, bar) {
next.wait = true;
[foo, bar].should.be.eql([1, 2]);
next(3, 4);
}
function two (next, foo, bar) {
[foo, bar].should.be.eql([3, 4]);
next();
}
runtime.stack(one, two)(1, 2, done);
});
it('does NOT pass arguments when fns does NOT wait', function (done) {
var runtime = Runtime.create();
function one (next, foo, bar) {
[foo, bar].should.be.eql([1, 2]);
next(3, 4);
}
function two (next, foo, bar) {
[foo, bar].should.be.eql([1, 2]);
next();
}
runtime.stack(one, two)(1, 2, done);
});