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53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
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"use strict";
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var assert = require("chai").assert
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, wait = require("timers-ext/promise/sleep")
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, limit = require("../../promise/limit").bind(Promise);
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describe("promise/limit", function () {
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it("Should limit executions", function () {
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var count = 0;
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var callCount = 0;
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var limited = limit(2, function (arg1) {
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var id = ++count;
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assert.equal(arg1, "foo");
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assert.equal(arguments[1], id);
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return wait(10).then(function () { return id; });
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});
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limited("foo", ++callCount);
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assert.equal(count, 1);
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limited("foo", ++callCount);
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assert.equal(count, 2);
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limited("foo", ++callCount);
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assert.equal(count, 2);
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limited("foo", ++callCount);
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assert.equal(count, 2);
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return wait(25).then(function () {
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assert.equal(count, 4);
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limited("foo", ++callCount);
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assert.equal(count, 5);
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limited("foo", ++callCount);
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assert.equal(count, 6);
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limited("foo", ++callCount);
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assert.equal(count, 6);
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return wait(25).then(function () { assert.equal(count, 7); });
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});
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});
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it("Should resolve with expected result", function () {
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var count = 0;
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var limited = limit(2, function () {
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var id = ++count;
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return wait(10).then(function () { return id; });
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});
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limited();
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assert.equal(count, 1);
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limited();
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assert.equal(count, 2);
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return limited().then(function (result) {
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assert.equal(result, 3);
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limited().then(function (result) { assert.equal(result, 4); });
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});
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});
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});
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