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var assert = require('assert');
var Base = require('../../lib/reporters/base')
, Assert = require('assert').AssertionError;
function makeTest(err) {
return {
err: err,
fullTitle: function () {
return 'test title';
}
};
}
describe('Base reporter', function () {
var stdout
, stdoutWrite
, useColors;
beforeEach(function () {
stdout = [];
stdoutWrite = process.stdout.write;
process.stdout.write = function (string) {
stdout.push(string);
};
useColors = Base.useColors;
Base.useColors = false;
});
afterEach(function () {
process.stdout.write = stdoutWrite;
Base.useColors = useColors;
});
describe('showDiff', function() {
it('should show diffs by default', function () {
var err = new Assert({ actual: 'foo', expected: 'bar' })
, errOut;
var test = makeTest(err);
Base.list([test]);
errOut = stdout.join('\n');
errOut.should.match(/\- actual/);
errOut.should.match(/\+ expected/);
});
it('should show diffs if property set to `true`', function () {
var err = new Assert({ actual: 'foo', expected: 'bar' })
, errOut;
err.showDiff = true;
var test = makeTest(err);
Base.list([test]);
errOut = stdout.join('\n');
errOut.should.match(/\- actual/);
errOut.should.match(/\+ expected/);
});
it('should not show diffs when showDiff property set to `false`', function () {
var err = new Assert({ actual: 'foo', expected: 'bar' })
, errOut;
err.showDiff = false;
var test = makeTest(err);
Base.list([test]);
errOut = stdout.join('\n');
errOut.should.not.match(/\- actual/);
errOut.should.not.match(/\+ expected/);
});
it('should not show diffs when expected is not defined', function () {
var err = new Error('ouch')
, errOut;
var test = makeTest(err);
Base.list([test]);
errOut = stdout.join('\n');
errOut.should.not.match(/\- actual/);
errOut.should.not.match(/\+ expected/);
});
});
describe('Getting two strings', function() {
// Fix regression V1.2.1(see: issue #1241)
it('should show strings diff as is', function () {
var err = new Error('test'),
errOut;
err.actual = 'foo\nbar';
err.expected = 'foo\nbaz';
err.showDiff = true;
var test = makeTest(err);
Base.list([test]);
errOut = stdout.join('\n');
errOut.should.not.match(/"foo\\nbar"/);
errOut.should.match(/foo/).and.match(/bar/);
errOut.should.match(/test/);
errOut.should.match(/actual/);
errOut.should.match(/expected/);
});
});
it('should stringify objects', function () {
var err = new Error('test'),
errOut;
err.actual = {key:"a1"};
err.expected = {key:"e1"};
err.showDiff = true;
var test = makeTest(err);
Base.list([test]);
errOut = stdout.join('\n');
errOut.should.match(/"key"/);
errOut.should.match(/test/);
errOut.should.match(/\- actual/);
errOut.should.match(/\+ expected/);
});
it('should stringify Object.create(null)', function () {
var err = new Error('test'),
errOut;
err.actual = Object.create(null);
err.actual.hasOwnProperty = 1;
err.expected = Object.create(null);
err.expected.hasOwnProperty = 2;
err.showDiff = true;
var test = makeTest(err);
Base.list([test]);
errOut = stdout.join('\n');
errOut.should.match(/"hasOwnProperty"/);
errOut.should.match(/test/);
errOut.should.match(/\- actual/);
errOut.should.match(/\+ expected/);
});
it('should handle error messages that are not strings', function () {
var errOut;
try {
assert(false, true);
} catch (err) {
err.actual = false;
err.expected = true;
err.showDiff = true;
var test = makeTest(err);
Base.list([test]);
errOut = stdout.join('\n');
errOut.should.match(/\+true/);
errOut.should.match(/\-false/);
errOut.should.match(/\- actual/);
errOut.should.match(/\+ expected/);
}
});
it('should remove message from stack', function () {
var err = {
message: 'Error',
stack: 'Error\nfoo\nbar',
showDiff: false
};
var test = makeTest(err);
Base.list([test]);
var errOut = stdout.join('\n').trim();
errOut.should.equal('1) test title:\n Error\n foo\n bar');
});
it('should use the inspect() property if `message` is not set', function () {
var err = {
showDiff: false,
inspect: function() { return 'an error happened'; },
};
var test = makeTest(err);
Base.list([test]);
var errOut = stdout.join('\n').trim();
errOut.should.equal('1) test title:\n an error happened');
});
it('should not modify stack if it does not contain message', function () {
var err = {
message: 'Error',
stack: 'foo\nbar',
showDiff: false
};
var test = makeTest(err);
Base.list([test]);
var errOut = stdout.join('\n').trim();
errOut.should.equal('1) test title:\n Error\n foo\n bar');
});
});
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