StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
92 lines
3.1 KiB
92 lines
3.1 KiB
'use strict';
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var errcode = require('../index');
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var expect = require('expect.js');
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describe('errcode', function () {
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describe('string as first argument', function () {
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it('should create an error object without code', function () {
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var err = errcode('my message');
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expect(err).to.be.an(Error);
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expect(err.hasOwnProperty(err.code)).to.be(false);
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});
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it('should create an error object with code', function () {
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var err = errcode('my message', 'ESOME');
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expect(err).to.be.an(Error);
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expect(err.code).to.be('ESOME');
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});
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it('should create an error object with code and properties', function () {
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var err = errcode('my message', 'ESOME', { foo: 'bar', bar: 'foo' });
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expect(err).to.be.an(Error);
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expect(err.code).to.be('ESOME');
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expect(err.foo).to.be('bar');
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expect(err.bar).to.be('foo');
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});
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it('should create an error object without code but with properties', function () {
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var err = errcode('my message', { foo: 'bar', bar: 'foo' });
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expect(err).to.be.an(Error);
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expect(err.code).to.be(undefined);
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expect(err.foo).to.be('bar');
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expect(err.bar).to.be('foo');
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});
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});
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describe('error as first argument', function () {
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it('should accept an error and do nothing', function () {
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var myErr = new Error('my message');
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var err = errcode(myErr);
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expect(err).to.be(myErr);
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expect(err.hasOwnProperty(err.code)).to.be(false);
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});
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it('should accept an error and add a code', function () {
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var myErr = new Error('my message');
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var err = errcode(myErr, 'ESOME');
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expect(err).to.be(myErr);
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expect(err.code).to.be('ESOME');
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});
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it('should accept an error object and add code & properties', function () {
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var myErr = new Error('my message');
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var err = errcode(myErr, 'ESOME', { foo: 'bar', bar: 'foo' });
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expect(err).to.be.an(Error);
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expect(err.code).to.be('ESOME');
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expect(err.foo).to.be('bar');
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expect(err.bar).to.be('foo');
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});
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it('should create an error object without code but with properties', function () {
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var myErr = new Error('my message');
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var err = errcode(myErr, { foo: 'bar', bar: 'foo' });
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expect(err).to.be.an(Error);
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expect(err.code).to.be(undefined);
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expect(err.foo).to.be('bar');
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expect(err.bar).to.be('foo');
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});
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});
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it('should allow passing null & undefined in the first argument', function () {
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var err;
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err = errcode(null, 'ESOME');
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expect(err).to.be.an(Error);
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expect(err.message).to.be('null');
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expect(err.code).to.be('ESOME');
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err = errcode(undefined, 'ESOME');
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expect(err).to.be.an(Error);
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expect(err.message).to.be('');
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expect(err.code).to.be('ESOME');
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});
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});
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