futoin-asyncsteps
Version:
Mimic traditional threads in single threaded event loop
1,314 lines (1,301 loc) • 59 kB
JavaScript
'use strict';
// ensure it works with frozen one
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _regeneratorRuntime() { "use strict"; /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */ _regeneratorRuntime = function _regeneratorRuntime() { return e; }; var t, e = {}, r = Object.prototype, n = r.hasOwnProperty, o = Object.defineProperty || function (t, e, r) { t[e] = r.value; }, i = "function" == typeof Symbol ? Symbol : {}, a = i.iterator || "@@iterator", c = i.asyncIterator || "@@asyncIterator", u = i.toStringTag || "@@toStringTag"; function define(t, e, r) { return Object.defineProperty(t, e, { value: r, enumerable: !0, configurable: !0, writable: !0 }), t[e]; } try { define({}, ""); } catch (t) { define = function define(t, e, r) { return t[e] = r; }; } function wrap(t, e, r, n) { var i = e && e.prototype instanceof Generator ? e : Generator, a = Object.create(i.prototype), c = new Context(n || []); return o(a, "_invoke", { value: makeInvokeMethod(t, r, c) }), a; } function tryCatch(t, e, r) { try { return { type: "normal", arg: t.call(e, r) }; } catch (t) { return { type: "throw", arg: t }; } } e.wrap = wrap; var h = "suspendedStart", l = "suspendedYield", f = "executing", s = "completed", y = {}; function Generator() {} function GeneratorFunction() {} function GeneratorFunctionPrototype() {} var p = {}; define(p, a, function () { return this; }); var d = Object.getPrototypeOf, v = d && d(d(values([]))); v && v !== r && n.call(v, a) && (p = v); var g = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(p); function defineIteratorMethods(t) { ["next", "throw", "return"].forEach(function (e) { define(t, e, function (t) { return this._invoke(e, t); }); }); } function AsyncIterator(t, e) { function invoke(r, o, i, a) { var c = tryCatch(t[r], t, o); if ("throw" !== c.type) { var u = c.arg, h = u.value; return h && "object" == _typeof(h) && n.call(h, "__await") ? e.resolve(h.__await).then(function (t) { invoke("next", t, i, a); }, function (t) { invoke("throw", t, i, a); }) : e.resolve(h).then(function (t) { u.value = t, i(u); }, function (t) { return invoke("throw", t, i, a); }); } a(c.arg); } var r; o(this, "_invoke", { value: function value(t, n) { function callInvokeWithMethodAndArg() { return new e(function (e, r) { invoke(t, n, e, r); }); } return r = r ? r.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg(); } }); } function makeInvokeMethod(e, r, n) { var o = h; return function (i, a) { if (o === f) throw Error("Generator is already running"); if (o === s) { if ("throw" === i) throw a; return { value: t, done: !0 }; } for (n.method = i, n.arg = a;;) { var c = n.delegate; if (c) { var u = maybeInvokeDelegate(c, n); if (u) { if (u === y) continue; return u; } } if ("next" === n.method) n.sent = n._sent = n.arg;else if ("throw" === n.method) { if (o === h) throw o = s, n.arg; n.dispatchException(n.arg); } else "return" === n.method && n.abrupt("return", n.arg); o = f; var p = tryCatch(e, r, n); if ("normal" === p.type) { if (o = n.done ? s : l, p.arg === y) continue; return { value: p.arg, done: n.done }; } "throw" === p.type && (o = s, n.method = "throw", n.arg = p.arg); } }; } function maybeInvokeDelegate(e, r) { var n = r.method, o = e.iterator[n]; if (o === t) return r.delegate = null, "throw" === n && e.iterator["return"] && (r.method = "return", r.arg = t, maybeInvokeDelegate(e, r), "throw" === r.method) || "return" !== n && (r.method = "throw", r.arg = new TypeError("The iterator does not provide a '" + n + "' method")), y; var i = tryCatch(o, e.iterator, r.arg); if ("throw" === i.type) return r.method = "throw", r.arg = i.arg, r.delegate = null, y; var a = i.arg; return a ? a.done ? (r[e.resultName] = a.value, r.next = e.nextLoc, "return" !== r.method && (r.method = "next", r.arg = t), r.delegate = null, y) : a : (r.method = "throw", r.arg = new TypeError("iterator result is not an object"), r.delegate = null, y); } function pushTryEntry(t) { var e = { tryLoc: t[0] }; 1 in t && (e.catchLoc = t[1]), 2 in t && (e.finallyLoc = t[2], e.afterLoc = t[3]), this.tryEntries.push(e); } function resetTryEntry(t) { var e = t.completion || {}; e.type = "normal", delete e.arg, t.completion = e; } function Context(t) { this.tryEntries = [{ tryLoc: "root" }], t.forEach(pushTryEntry, this), this.reset(!0); } function values(e) { if (e || "" === e) { var r = e[a]; if (r) return r.call(e); if ("function" == typeof e.next) return e; if (!isNaN(e.length)) { var o = -1, i = function next() { for (; ++o < e.length;) if (n.call(e, o)) return next.value = e[o], next.done = !1, next; return next.value = t, next.done = !0, next; }; return i.next = i; } } throw new TypeError(_typeof(e) + " is not iterable"); } return GeneratorFunction.prototype = GeneratorFunctionPrototype, o(g, "constructor", { value: GeneratorFunctionPrototype, configurable: !0 }), o(GeneratorFunctionPrototype, "constructor", { value: GeneratorFunction, configurable: !0 }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, u, "GeneratorFunction"), e.isGeneratorFunction = function (t) { var e = "function" == typeof t && t.constructor; return !!e && (e === GeneratorFunction || "GeneratorFunction" === (e.displayName || e.name)); }, e.mark = function (t) { return Object.setPrototypeOf ? Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, "GeneratorFunction")), t.prototype = Object.create(g), t; }, e.awrap = function (t) { return { __await: t }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () { return this; }), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) { void 0 === i && (i = Promise); var a = new AsyncIterator(wrap(t, r, n, o), i); return e.isGeneratorFunction(r) ? a : a.next().then(function (t) { return t.done ? t.value : a.next(); }); }, defineIteratorMethods(g), define(g, u, "Generator"), define(g, a, function () { return this; }), define(g, "toString", function () { return "[object Generator]"; }), e.keys = function (t) { var e = Object(t), r = []; for (var n in e) r.push(n); return r.reverse(), function next() { for (; r.length;) { var t = r.pop(); if (t in e) return next.value = t, next.done = !1, next; } return next.done = !0, next; }; }, e.values = values, Context.prototype = { constructor: Context, reset: function reset(e) { if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = !1, this.delegate = null, this.method = "next", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) "t" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t); }, stop: function stop() { this.done = !0; var t = this.tryEntries[0].completion; if ("throw" === t.type) throw t.arg; return this.rval; }, dispatchException: function dispatchException(e) { if (this.done) throw e; var r = this; function handle(n, o) { return a.type = "throw", a.arg = e, r.next = n, o && (r.method = "next", r.arg = t), !!o; } for (var o = this.tryEntries.length - 1; o >= 0; --o) { var i = this.tryEntries[o], a = i.completion; if ("root" === i.tryLoc) return handle("end"); if (i.tryLoc <= this.prev) { var c = n.call(i, "catchLoc"), u = n.call(i, "finallyLoc"); if (c && u) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } else if (c) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); } else { if (!u) throw Error("try statement without catch or finally"); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } } } }, abrupt: function abrupt(t, e) { for (var r = this.tryEntries.length - 1; r >= 0; --r) { var o = this.tryEntries[r]; if (o.tryLoc <= this.prev && n.call(o, "finallyLoc") && this.prev < o.finallyLoc) { var i = o; break; } } i && ("break" === t || "continue" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null); var a = i ? i.completion : {}; return a.type = t, a.arg = e, i ? (this.method = "next", this.next = i.finallyLoc, y) : this.complete(a); }, complete: function complete(t, e) { if ("throw" === t.type) throw t.arg; return "break" === t.type || "continue" === t.type ? this.next = t.arg : "return" === t.type ? (this.rval = this.arg = t.arg, this.method = "return", this.next = "end") : "normal" === t.type && e && (this.next = e), y; }, finish: function finish(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.finallyLoc === t) return this.complete(r.completion, r.afterLoc), resetTryEntry(r), y; } }, "catch": function _catch(t) { for (var e = this.tryEntries.length - 1; e >= 0; --e) { var r = this.tryEntries[e]; if (r.tryLoc === t) { var n = r.completion; if ("throw" === n.type) { var o = n.arg; resetTryEntry(r); } return o; } } throw Error("illegal catch attempt"); }, delegateYield: function delegateYield(e, r, n) { return this.delegate = { iterator: values(e), resultName: r, nextLoc: n }, "next" === this.method && (this.arg = t), y; } }, e; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { "default": e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n["default"] = e, t && t.set(e, n), n; }
function asyncGeneratorStep(n, t, e, r, o, a, c) { try { var i = n[a](c), u = i.value; } catch (n) { return void e(n); } i.done ? t(u) : Promise.resolve(u).then(r, o); }
function _asyncToGenerator(n) { return function () { var t = this, e = arguments; return new Promise(function (r, o) { var a = n.apply(t, e); function _next(n) { asyncGeneratorStep(a, r, o, _next, _throw, "next", n); } function _throw(n) { asyncGeneratorStep(a, r, o, _next, _throw, "throw", n); } _next(void 0); }); }; }
Object.freeze(Object.prototype);
var performance_now = require("performance-now");
//
var in_browser = typeof window !== 'undefined';
var async_steps = in_browser ? require('futoin-asyncsteps') : module.require('../lib/main-full');
var production_mode = async_steps.isProduction;
var _require = require('../lib/common'),
HANDLE_SUCCESS = _require.HANDLE_SUCCESS;
var assert;
var expect;
before(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
var _yield$import;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
_context.next = 2;
return Promise.resolve().then(function () {
return _interopRequireWildcard(require('chai'));
});
case 2:
_yield$import = _context.sent;
assert = _yield$import.assert;
expect = _yield$import.expect;
case 5:
case "end":
return _context.stop();
}
}, _callee);
})));
describe('AsyncTool', function () {
describe('#callLater()', function () {
it("should call later", function (done) {
async_steps.AsyncTool.callLater(done);
});
it("should call later timeout", function (done) {
var t = performance_now() * 1e3;
async_steps.AsyncTool.callLater(function () {
var s = performance_now() * 1e3;
expect(s).be.greaterThan(t + 9);
done();
}, 10);
});
});
describe('#cancelCall()', function () {
it("should cancel call", function (done) {
var h = async_steps.AsyncTool.callLater(done);
async_steps.AsyncTool.cancelCall(h);
done();
});
it("should cancel call timeout", function (done) {
var h = async_steps.AsyncTool.callLater(done, 100);
async_steps.AsyncTool.cancelCall(h);
done();
});
});
});
describe('AsyncToolTest', function () {
describe('#callLater()', function () {
it("should call later", function (done) {
async_steps.AsyncToolTest.callLater(done);
async_steps.AsyncToolTest.nextEvent();
});
it("should call later timeout", function (done) {
async_steps.AsyncToolTest.callLater(function () {
done();
}, 100);
async_steps.AsyncToolTest.run();
});
it('should insert event', function () {
var f = function f(as) {};
async_steps.AsyncToolTest.callLater(function () {}, 100);
async_steps.AsyncToolTest.callLater(f, 10);
expect(async_steps.AsyncToolTest.getEvents()[0].f).eql(f);
async_steps.AsyncToolTest.resetEvents();
expect(async_steps.AsyncToolTest.getEvents().length).equal(0);
});
});
describe('#cancelCall()', function () {
it("should cancel call", function (done) {
var h = async_steps.AsyncToolTest.callLater(done);
expect(async_steps.AsyncToolTest.hasEvents()).be["true"];
async_steps.AsyncToolTest.cancelCall(h);
expect(async_steps.AsyncToolTest.hasEvents()).be["false"];
done();
});
it("should cancel call timeout", function (done) {
var h = async_steps.AsyncToolTest.callLater(done, 100);
expect(async_steps.AsyncToolTest.hasEvents()).be["true"];
async_steps.AsyncToolTest.cancelCall(h);
expect(async_steps.AsyncToolTest.hasEvents()).be["false"];
done();
});
});
});
describe('AsyncSteps', function () {
before(function () {
async_steps.installAsyncToolTest();
});
after(function () {
async_steps.installAsyncToolTest(false);
});
beforeEach(function (done) {
this.as = async_steps();
// reset burst counter
try {
async_steps.AsyncToolTest.resetEvents();
async_steps().add(break_burst).add(function (as) {
return done();
}).execute();
async_steps.AsyncToolTest.run();
} catch (e) {
console.log(e);
}
});
function assertNoEvents() {
expect(async_steps.AsyncToolTest.getEvents().length).equal(0);
}
function assertHasEvents() {
expect(async_steps.AsyncToolTest.getEvents().length).be.above(0);
}
var break_burst = function break_burst(as) {
as.waitExternal();
async_steps.AsyncToolTest.callLater(function () {
as.state && as.success();
}, 0);
};
describe('#add()', function () {
it("should add steps sequentially", function () {
var as = this.as;
as.add(function (as) {
as.success();
}, function (as, err) {
as.success();
}).add(function (as) {
as.success();
});
expect(as._queue.length).equal(2);
expect(as._queue[0][0]).be["instanceof"](Function);
expect(as._queue[0][1]).be["instanceof"](Function);
expect(as._queue[1][0]).be["instanceof"](Function);
assert.isUndefined(as._queue[1][1]);
});
it("should call steps and errors in correct order", function () {
var as = this.as;
as.state.order = [];
as.add(function (as) {
as.state.order.push('1');
as.add(function (as) {
as.state.order.push('1_1');
as.error("MyError");
}, function (as, err) {
as.state.order.push('1_1e');
expect(err).eql("MyError");
as.success('1_1e');
});
as.add(function (as, val) {
as.state.order.push('1_2');
expect(val).eql('1_1e');
as.error("MyError2");
}, function (as, err) {
as.state.order.push('1_2e');
expect(err).eql("MyError2");
as.success('1_2e');
}).add(function (as, val) {
as.state.order.push('1_3');
expect(val).eql('1_2e');
as.success('1_3', 'yes');
}, function (as, err) {
as.state.order.push('1_3e');
expect(err).eql("MyError2");
as.success();
});
}, function (as, err) {
as.state.order.push('1e');
as.success();
}).add(function (as, val1, val2) {
as.state.order.push('2');
expect(val1).eql("1_3");
expect(val2).eql("yes");
as.success();
}).add(function (as) {
as.state.order.push('3');
}, function (as, err) {
as.state.order.push('3e');
expect(err).eql("InternalError");
as.success();
});
as.add(function (as) {
as.state.order.push('4');
as.add(function (as) {
as.state.order.push('4_1');
as.add(function (as) {
as.state.order.push('4_2');
});
});
}, function (as, err) {
as.state.order.push('4e');
expect(err).eql("InternalError");
as.success();
});
as.add(function (as) {
as.state.order.push('5');
as.add(function (as) {
as.state.order.push('5_1');
as.add(function (as) {
as.state.order.push('5_2');
expect(undefined).eql("InternalError");
}, function (as, err) {
as.state.order.push('5_2e');
as.add(function (as) {
as.state.order.push('5_3');
expect(err).eql("InternalError");
}, function (as, err) {
as.state.order.push('5_3e');
});
});
}, function (as, err) {
as.state.order.push('5_1e');
});
}, function (as, err) {
as.state.order.push('5e');
as.success();
});
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.order).eql(['1', '1_1', '1_1e', '1_2', '1_2e', '1_3', '2', '3' /*, '3e'*/, '4', '4_1', '4_2' /*, '4e'*/, '5', '5_1', '5_2', '5_2e', '5_3', '5_3e', '5_1e', '5e']);
});
if (!production_mode) {
it('should fail on add in execution', function () {
var as = this.as;
as.add(function (as) {
as.waitExternal();
});
as.execute();
assert["throws"](function () {
as.add(function (as) {});
}, 'InternalError');
async_steps.AsyncToolTest.run();
});
it('should fail on invalid step func', function () {
var as = this.as;
assert["throws"](function () {
as.add(function () {});
}, 'InternalError');
as.add(function (as) {});
as.add(function (as, val) {});
as.cancel();
});
it('should fail on invalid error handler', function () {
var as = this.as;
assert["throws"](function () {
as.add(function (as) {}, function () {});
}, 'InternalError');
assert["throws"](function () {
as.add(function (as) {}, function (as) {});
}, 'InternalError');
assert["throws"](function () {
as.add(function (as) {}, function (as, error, val) {});
}, 'InternalError');
as.add(function (as) {}, function (as, error) {});
as.cancel();
});
}
});
describe('#parallel()', function () {
it("should add steps sequentially", function () {
var as = this.as;
as.parallel(function (as, err) {
as.success();
});
as.parallel();
as.add(function (as) {
as.success();
});
expect(as._queue.length).equal(3);
expect(as._queue[0][0]).be["instanceof"](Function);
expect(as._queue[0][1]).be["instanceof"](Function);
expect(as._queue[1][0]).be["instanceof"](Function);
assert.isUndefined(as._queue[1][1]);
as.execute();
async_steps.AsyncToolTest.run();
});
it("should run in parallel", function () {
var as = this.as;
as.state.order = [];
as.parallel(function (as, err) {
console.dir(as);
}).add(function (as) {
as.state.order.push(1);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(4);
as.success();
});
}).add(function (as) {
as.state.order.push(2);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(5);
as.success();
});
}).add(function (as) {
as.state.order.push(3);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(6);
as.success();
});
});
as.add(function (as) {
as.state.order.push(7);
as.success();
});
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.order).eql([1, 2, 3, 4, 5, 6, 7]);
});
it("should run in parallel (inner)", function () {
var as = this.as;
as.state.order = [];
as.add(function (as) {
as.parallel(function (as, err) {
console.dir(err);
}).add(function (as) {
as.state.order.push(1);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(4);
as.success();
});
}).add(function (as) {
as.state.order.push(2);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(5);
as.success();
});
}).add(function (as) {
as.state.order.push(3);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(6);
as.success();
});
});
});
as.add(function (as) {
as.state.order.push(7);
as.success();
});
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.order).eql([1, 2, 3, 4, 5, 6, 7]);
});
it("should cancel on error in parallel (inner)", function () {
var as = this.as;
as.state.order = [];
as.add(function (as) {
as.parallel(function (as, err) {
if (err === 'MyError') as.success();
}).add(function (as) {
as.state.order.push(1);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(4);
as.success();
});
}).add(function (as) {
as.state.order.push(2);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(5);
as.error('MyError');
});
}).add(function (as) {
as.state.order.push(3);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(6);
as.success();
});
});
});
as.add(function (as) {
as.state.order.push(7);
as.success();
});
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.order).eql([1, 2, 3, 4, 5, 7]);
});
it("should cancel on cancel in parallel (inner)", function () {
var as = this.as;
as.state.order = [];
as.add(function (as) {
as.parallel(function (as, err) {
console.dir(err);
if (err === 'MyError') as.success();
}).add(function (as) {
as.state.order.push(1);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(4);
as.success();
});
}).add(function (as) {
as.state.order.push(2);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(5);
as.success();
});
}).add(function (as) {
as.state.order.push(3);
as.add(break_burst);
as.add(function (as) {
as.state.order.push(6);
as.success();
});
});
});
as.add(function (as) {
as.state.order.push(7);
as.success();
});
as.execute();
expect(as.state.order).eql([1, 2, 3]);
// burst
async_steps.AsyncToolTest.nextEvent();
async_steps.AsyncToolTest.nextEvent();
async_steps.AsyncToolTest.nextEvent();
// step 4
async_steps.AsyncToolTest.nextEvent();
as.cancel();
async_steps.AsyncToolTest.run();
expect(as.state.order).eql([1, 2, 3, 4]);
});
it("should not loose error_info (bug #1)", function () {
var as = this.as;
as.add(function (as) {
as.parallel(function (as, err) {
expect(err).equal("MyError");
expect(as.state.error_info).equal("MyInfo");
}).add(function (as) {}).add(function (as) {
as.error("MyError", "MyInfo");
}).add(function (as) {});
});
as.add(function (as) {
expect(false).be["true"];
});
as.execute();
async_steps.AsyncToolTest.run();
});
});
describe('#success()', function () {
it('should work', function () {
var as = this.as;
as.state.second_called = false;
as.add(break_burst, function (as, error) {
expect(error).equal("Does not work");
}).add(function (as) {
as.state.second_called = true;
as.success();
});
as.execute();
expect(as.state.second_called).be["false"];
assertHasEvents();
// burst
async_steps.AsyncToolTest.nextEvent();
expect(as.state.second_called).be["false"];
assertHasEvents();
async_steps.AsyncToolTest.nextEvent();
expect(as.state.second_called).be["true"];
assertNoEvents();
});
it('should work in onerror', function () {
var as = this.as;
as.state.second_called = false;
as.add(function (as) {
as.add(break_burst);
as.add(function (as) {
return as.error(false);
});
}, function (as, error) {
as.success('Value1', 'Value2');
}).add(function (as, val1, val2) {
as.state.second_called = true;
expect(val1).equal('Value1');
expect(val2).equal('Value2');
as.success();
});
as.execute();
expect(as.state.second_called).be["false"];
assertHasEvents();
// burst
async_steps.AsyncToolTest.nextEvent();
expect(as.state.second_called).be["false"];
assertHasEvents();
async_steps.AsyncToolTest.nextEvent();
expect(as.state.second_called).be["true"];
assertNoEvents();
});
it('should work in depth', function () {
var as = this.as;
as.state.second_called = false;
as.add(function (as) {
as.add(function (as) {
as.success();
});
}, function (as, error) {
console.dir(as);
expect(error).equal("Does not work");
});
as.add(break_burst);
as.add(function (as) {
as.state.second_called = true;
as.success();
});
as.execute();
expect(as.state.second_called).be["false"];
assertHasEvents();
// burst
async_steps.AsyncToolTest.nextEvent();
expect(as.state.second_called).be["false"];
assertHasEvents();
async_steps.AsyncToolTest.nextEvent();
expect(as.state.second_called).be["true"];
assertNoEvents();
});
it('should fail on invalid success', function () {
var as = this.as;
assert["throws"](function () {
as._handle_success();
}, 'InternalError');
});
it('should disables timeout', function () {
var as = this.as;
as.add(function (as) {
as.setTimeout(1000);
as.success();
});
as.execute();
assertNoEvents();
});
it('should fail on success with inner steps', function () {
var as = this.as;
as.state.executed = false;
as.add(function (as) {
as.add(function (as) {
as.error('MyError');
});
as.success();
}, function (as, err) {
as.state.executed = true;
expect(err).be.equal('InternalError');
});
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.executed).be["true"];
});
it('should be possible to make async success', function () {
var as = this.as;
var _this = this;
as.state.myerror = false;
as.state.executed = false;
as.add(function (as) {
async_steps.AsyncToolTest.callLater(function () {
as.success();
});
as.waitExternal();
}, function (as, err) {
as.state.myerror = true;
});
as.add(function (as) {
as.state.executed = true;
as.success();
});
as.execute();
// async success
async_steps.AsyncToolTest.nextEvent();
expect(as.state.executed).be["false"];
assertHasEvents();
// continue
async_steps.AsyncToolTest.nextEvent();
assertNoEvents();
expect(as.state.myerror).be["false"];
expect(as.state.executed).be["true"];
});
it('should ignore unexpected success', function () {
var as = this.as;
var _this = this;
var root_as = as;
as.state.myerror = false;
as.state.executed = false;
as.add(function (as) {
async_steps.AsyncToolTest.callLater(function () {
if (production_mode) {
try {
as.success();
throw new Error('Fail');
} catch (e) {
expect(e.message).not.equal('Fail');
}
} else {
assert["throws"](function () {
as.success();
}, Error, 'InternalError');
}
});
as.success();
}, function (as, err) {
console.log(err);
as.state.myerror = true;
});
as.add(break_burst);
as.add(function (as) {
as.state.executed = true;
as.success();
}, function (as, err) {
console.dir(err);
});
as.execute();
assertHasEvents();
async_steps.AsyncToolTest.nextEvent();
// burst
async_steps.AsyncToolTest.nextEvent();
expect(as.state.executed).be["false"];
assertHasEvents();
async_steps.AsyncToolTest.nextEvent();
assertNoEvents();
expect(as.state.myerror).be["false"];
expect(as.state.executed).be["true"];
});
});
describe('#successStep()', function () {
it('should work', function () {
var as = this.as;
as.state.second_called = false;
as.successStep('a', 'b', 'c');
as.add(function (as, a, b, c) {
expect(a).equal('a');
expect(b).equal('b');
expect(c).equal('c');
as.successStep('abc');
as.add(function (as, abc) {
expect(abc).to.equal('abc');
});
as.add(break_burst);
as.add(function (as) {
return as.successStep();
});
as.successStep(1, 2, 3);
}, function (as, error) {
console.log(as.state.last_exception);
expect(error).equal("Does not work");
}).add(function (as, a, b, c) {
expect([a, b, c]).to.eql([1, 2, 3]);
as.state.second_called = true;
as.success();
});
as.successStep();
as.execute();
// first step + burst break;
expect(as.state.second_called).be["false"];
assertHasEvents();
// burst async complete
async_steps.AsyncToolTest.nextEvent();
assertHasEvents();
expect(as.state.second_called).be["false"];
// continue to end
async_steps.AsyncToolTest.nextEvent();
expect(as.state.second_called).be["true"];
assertNoEvents();
});
});
describe('#error()', function () {
it('should throw error', function () {
var as = this.as;
assert.isUndefined(as.state.error_info);
assert["throws"](function () {
as.error("MyError");
}, Error, "MyError");
assert.isUndefined(as.state.error_info);
assert["throws"](function () {
as.error("MyError", 'My Info');
}, Error, "MyError");
expect(as.state.error_info).equal('My Info');
});
it('should be possible to change error code', function () {
var as = this.as;
as.add(function (as) {
as.add(function (as) {
as.error('Orig');
}, function (as, err) {
expect(err).eql('Orig');
as.error('Changed');
});
}, function (as, err) {
expect(err).eql('Changed');
});
as.execute();
async_steps.AsyncToolTest.run();
});
it('should be possible to make async error', function () {
var as = this.as;
var _this = this;
as.state.myerror = false;
as.add(function (as) {
async_steps.AsyncToolTest.callLater(function () {
try {
as.error('MyError');
} catch (e) {
// pass
}
});
as.waitExternal();
}, function (as, err) {
as.state.myerror = err === 'MyError';
}).add(function (as) {
as.success();
});
as.execute();
async_steps.AsyncToolTest.nextEvent();
assertNoEvents();
expect(as.state.myerror).be["true"];
});
it('should be possible to make async error in execute', function () {
var as = this.as;
var _this = this;
var root_as = as;
as.state.myerror = false;
as.state.executed = false;
as.add(break_burst, function (as, err) {
as.state.myerror = err === 'MyError';
});
as.add(function (as) {
as.state.executed = true;
as.success();
});
as.execute();
try {
as.error('MyError');
} catch (e) {
// pass
}
async_steps.AsyncToolTest.nextEvent();
assertNoEvents();
expect(as.state.myerror).be["true"];
expect(as.state.executed).be["false"];
});
it('should ignore unexpected error', function () {
var as = this.as;
var _this = this;
var root_as = as;
as.state.myerror = false;
as.state.executed = false;
as.add(function (as) {
async_steps.AsyncToolTest.callLater(function () {
if (production_mode) {
try {
as.error('MyError');
} catch (e) {
expect(e.message).not.equal('MyError');
}
} else {
assert["throws"](function () {
as.error('MyError');
}, Error, 'InternalError');
}
});
as.success();
}, function (as, err) {
as.state.myerror = err === 'MyError';
});
as.add(break_burst);
as.add(function (as) {
as.state.executed = true;
as.success();
});
as.execute();
async_steps.AsyncToolTest.nextEvent();
assertHasEvents();
async_steps.AsyncToolTest.nextEvent();
assertHasEvents();
async_steps.AsyncToolTest.nextEvent();
assertNoEvents();
expect(as.state.myerror).be["false"];
expect(as.state.executed).be["true"];
});
});
describe('#setTimeout()', function () {
it('should properly timeout, calling cancel', function (done) {
var done_wrap = function done_wrap(order) {
try {
expect(order).eql(['1', '2', '3', '4']);
done();
} catch (e) {
done(e);
}
};
var as = new async_steps.AsyncSteps(null, async_steps.AsyncTool);
as.state.order = [];
as.add(function (as) {
as.state.order.push('1');
as.setTimeout(20);
as.setTimeout(20); // reset
as.add(function (as) {
as.state.order.push('2');
as.setTimeout(5);
});
as.setCancel(function (as) {
as.state.order.push('3');
});
}, function (as, err) {
as.state.order.push('4');
expect(err).equal('Timeout');
assert.isUndefined(as.state.error_info);
done_wrap(as.state.order);
});
as.execute();
});
});
describe('#setCancel()', function () {
it('should cancel in reverse order silently', function () {
var as = this.as;
as.state.order = [];
as.add(function (as) {
as.state.order.push('1');
as.add(function (as) {
as.state.order.push('2');
as.setCancel(function (as) {
as.state.order.push('2c');
});
as.add(function (as) {
as.state.order.push('3');
as.setCancel(function (as) {
as.state.order.push('3c');
});
});
});
as.setCancel(function (as) {
as.state.order.push('1c');
});
}, function (as, err) {
as.state.order.push('e');
});
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.order).eql(['1', '2', '3']);
as.cancel();
async_steps.AsyncToolTest.run();
expect(as.state.order).eql(['1', '2', '3', '3c', '2c', '1c']);
});
});
describe('#copyFrom()', function () {
beforeEach(function () {
this.as = async_steps();
});
it('should copy steps and state', function () {
var as = this.as;
as.state.old_v = false;
as.state.executed = false;
as.state.parallel1 = false;
as.state.parallel2 = false;
var model_as = async_steps();
model_as.state.new_v = true;
model_as.state.old_v = true;
model_as.add(function (as) {}, function (as, error) {
as.success();
}).add(function (as) {
as.state.executed = true;
as.success();
});
model_as.parallel().add(function (as) {
as.state.parallel1 = true;
as.success();
}).add(function (as) {
as.state.parallel2 = true;
as.success();
});
as.copyFrom(model_as);
expect(as.state).have.property('old_v', false);
expect(as.state).have.property('new_v', true);
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.executed).be["true"];
expect(as.state.parallel1).be["true"];
expect(as.state.parallel2).be["true"];
as.state.executed = false;
as.state.parallel1 = false;
as.state.parallel2 = false;
as.add(function (as) {
model_as.state.new_v2 = true;
as.copyFrom(model_as);
expect(as.state).have.property('old_v', false);
expect(as.state).have.property('new_v', true);
expect(as.state).have.property('new_v2', true);
var m = async_steps();
as.copyFrom(m);
m.add(function (as) {
as.success();
});
as.copyFrom(m);
});
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.executed).be["true"];
expect(as.state.parallel1).be["true"];
expect(as.state.parallel2).be["true"];
});
});
describe('#execute()', function () {
it('should silently exit', function () {
var as = this.as;
as.execute();
assertNoEvents();
});
it('should trigger ASP sanity check', function () {
var as = this.as;
as.state.error_code = '';
as.add(function (as) {
var oas = as;
as.add(function (as) {
oas.success();
});
}, function (as, err) {
as.state.error_code = err;
});
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.error_code).be.equal('InternalError');
expect(as.state.error_info).equal(production_mode ? 'Invalid success() call' : 'Invalid call (sanity check)');
});
it('should implicitly success', function () {
var as = this.as;
as.add(function (as) {
as.state.ok = true;
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
expect(as.state.ok).be["true"];
});
});
describe('#cancel()', function () {
it('should cancel execution', function () {
var as = this.as;
as.add(function (as) {
as.success();
}).add(function (as) {
as.success();
});
as.execute();
as.cancel();
assertNoEvents();
});
it('should cancel timeout', function () {
var as = this.as;
as.add(function (as) {
as.setTimeout(1000);
}).add(function (as) {
as.success();
});
as.execute();
as.cancel();
assertNoEvents();
});
});
describe('#loop()', function () {
it('should complex loop', function () {
var as = this.as;
var i = 0;
var icheck = 1;
var s = [];
as.add(function (as) {
as.loop(function (as) {
s.push('OUTER');
++i;
as.loop(function (as) {
s.push('MEDIUM');
expect(i).equal(icheck);
as.loop(function (as) {
s.push('INNER1');
if (i > 2) {
as["break"]();
} else if (i == 1) {
++i;
as["continue"]();
}
++i;
}, "INNER1");
as.loop(function (as) {
s.push('INNER2');
if (i == 3) {
icheck = 4;
as["break"]("MEDIUM");
}
as["break"]();
}, "INNER2");
as.loop(function (as) {
s.push('INNER3');
++i;
as["break"]("OUTER");
}, "INNER3");
}, "MEDIUM");
}, "OUTER");
}, function (as, err) {
console.dir(s);
console.dir(err + ": " + as.state.error_info);
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
expect(s).eql(['OUTER', 'MEDIUM', 'INNER1', 'INNER1', 'INNER1', 'INNER2', 'OUTER', 'MEDIUM', 'INNER1', 'INNER2', 'INNER3']);
expect(i).equal(5);
});
it('should forward regular error', function () {
var as = this.as;
var reserr;
as.add(function (as) {
as.loop(function (as) {
as.error("MyError", 'Info');
});
}, function (as, err) {
reserr = err;
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
expect(reserr).equal('MyError');
expect(as.state.error_info).equal('Info');
});
it('should continue outer loop', function () {
var as = this.as;
var reserr = null;
as.add(function (as) {
var i = 0;
as.loop(function (as) {
++i;
if (i === 3) {
as["break"]();
}
as.loop(function (as) {
++i;
as["continue"]("OUTER");
});
}, "OUTER");
}, function (as, err) {
reserr = err;
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
assert.equal(reserr, null);
});
it('should repeat count times', function () {
var as = this.as;
var reserr = null;
var i = 0;
as.add(function (as) {
as.repeat(3, function (as) {
++i;
if (i == 2) {
as["continue"]();
}
});
}, function (as, err) {
reserr = err;
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
assert.equal(reserr, null);
expect(i).equal(3);
});
it('should repeat break', function () {
var as = this.as;
var reserr = null;
var i = 0;
as.add(function (as) {
as.repeat(3, function (as) {
if (i == 2) {
as["break"]();
}
++i;
});
}, function (as, err) {
reserr = err;
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
assert.equal(reserr, null);
expect(i).equal(2);
});
it('should repeat zero times', function () {
var as = this.as;
var reserr = null;
var i = 0;
as.add(function (as) {
as.repeat(0, function (as) {
++i;
});
}, function (as, err) {
reserr = err;
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
assert.equal(reserr, null);
expect(i).equal(0);
});
it('should forEach array', function () {
var as = this.as;
var reserr = null;
var i = 0;
as.forEach([], function (as) {
++i;
});
as.add(function (as) {
as.forEach([1, 2, 3], function (as, k, v) {
assert.equal(v, k + 1);
i += v;
});
}, function (as, err) {
reserr = err;
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
assert.equal(reserr, null);
expect(i).equal(6);
});
it('should forEach object', function () {
var as = this.as;
var reserr = null;
var i = 0;
as.forEach({}, function (as) {
++i;
});
as.add(function (as) {
as.forEach({
a: 1,
b: 2,
c: 3
}, function (as, k, v) {
if (v == 1) assert.equal(k, "a");
if (v == 2) assert.equal(k, "b");
if (v == 3) assert.equal(k, "c");
i += v;
});
}, function (as, err) {
reserr = err;
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
assert.equal(reserr, null);
expect(i).equal(6);
});
if (!in_browser) {
it('should forEach Map', function () {
var as = this.as;
var reserr = null;
var i = 0;
as.forEach(new Map(), function (as) {
++i;
});
as.add(function (as) {
as.forEach(new Map([['a', 1], ['b', 2], ['c', 3]]), function (as, k, v) {
if (v == 1) assert.equal(k, "a");
if (v == 2) assert.equal(k, "b");
if (v == 3) assert.equal(k, "c");
i += v;
});
}, function (as, err) {
reserr = err;
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
assert.equal(reserr, null);
expect(i).equal(6);
});
}
it('should continue after break()+next error()', function () {
// Spotted bug after burst optimization.
var as = this.as;
var _this = this;
var root_as = as;
as.state.myerror = false;
as.state.executed = false;
as.add(function (as) {
as.loop(function (as) {
return as["break"]();
});
as.add(function (as) {
as.error('MyError');
});
}, function (as, err) {
as.state.myerror = err === 'MyError';
as.success();
});
as.add(function (as) {
as.state.executed = true;
as.success();
});
as.execute();
async_steps.AsyncToolTest.run();
expect(as.state.myerror).be["true"];
expect(as.state.executed).be["true"];
});
});
describe('#state()', function () {
it('should return state', function () {
var as = this.as;
expect(as.state()).equal(as.state);
});
it('should set error_info, last_exception and async_stack', function () {
var as = this.as;
var _step_func;
var _error_func;
as.add(_step_func = function step_func(as) {
if (!production_mode) {
var async_stack = as._root._exec_stack;
expect(async_stack[async_stack.length - 1]).eql(_step_func);
}
as.error('FirstError', 'FirstInfo');
}, _error_func = function error_func(as, err) {
try {
var state = as.state;
expect(err).equal('FirstError');
expect(state.error_info).equal('FirstInfo');
expect(state.last_exception.message).equal('FirstError');
if (!production_mode) {
var async_stack = state.async_stack;
expect(async_stack[async_stack.length - 1]).eql(_error_func);
}
} catch (e) {
console.log(e);
throw e;
}
as.error('SecondError', 'SecondInfo');
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
expect(as.state.error_info).equal('SecondInfo');
expect(as.state.last_exception.message).equal('SecondError');
});
it('should set error_info, last_exception and async_stack in async', function () {
var as = this.as;
var _step_func2;
var _error_func2;
as.add(_step_func2 = function step_func(as) {
if (!production_mode) {
var async_stack = as._root._exec_stack;
expect(async_stack[async_stack.length - 1]).eql(_step_func2);
}
as.waitExternal();
async_steps.AsyncToolTest.callImmediate(function () {
try {
as.error('FirstError', 'FirstInfo');
} catch (_) {
// ignore
}
});
}, _error_func2 = function error_func(as, err) {
try {
var state = as.state;
expect(err).equal('FirstError');
expect(state.error_info).equal('FirstInfo');
expect(state.last_exception.message).equal('FirstError');
if (!production_mode) {
var async_stack = state.async_stack;
expect(async_stack[async_stack.length - 1]).eql(_error_func2);
}
} catch (e) {
console.log(e);
throw e;
}
as.error('SecondError', 'SecondInfo');
});
as.execute();
async_steps.AsyncToolTest.run();
assertNoEvents();
expect(as.state.error_info).equal('SecondInfo');
expect(as.state.last_exception.message).equal('SecondError');
});
});
it('should support chaining', function (done) {
var as = this.as;
var empty_a