viki/node_modules/sodium/test/test_toBuffer.js

/**
 * Created by bmf on 11/2/13.
 */
var assert = require('assert');

var toBuffer = require('../lib/toBuffer');

if (process.env.COVERAGE) {
    toBuffer = require('../lib-cov/toBuffer');
}


describe("toBuffer", function () {
    it("should generate a buffer from string", function (done) {
        var str = "to buffer is cool";
        assert.equal(toBuffer(str,'utf8').toString(), "to buffer is cool");
        done();
    });

    it("should generate a buffer from string with encoding", function (done) {
        var str = "to buffer is cool";
        assert.equal(toBuffer(str, 'utf8').toString(), "to buffer is cool");
        done();
    });

    it("should return undefined on bad param 1", function (done) {
        assert.throws(function() {
            var b = toBuffer(123, 'utf8');
        });
        done();
    });

    it("should throw on bad encoding", function (done) {
        var str = "to buffer is cool";
        assert.throws(function() {
            toBuffer(str, 'txf');
        });
        done();
    });

    it("should generate a buffer from array", function (done) {
        var a = [1, 2, 3, 4, 5];
        var b = toBuffer(a);
        for( var i = 0 ; i < b.length; i++ ) {
            assert.equal(b[i], a[i]);
        }
        done();
    });

    it("Generate a buffer from buffer!", function (done) {
        var a = Buffer.alloc(5, 5);
        var b = toBuffer(a);
        for( var i = 0 ; i < b.length; i++ ) {
            assert.equal(b[i], a[i]);
        }
        done();
    });


});