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'use strict';
var mocha = require('..');
var utils = mocha.utils;
var path = require('path');
var JSON = require('json3');
describe('utils', function () {
describe('.clean()', function () {
var clean = utils.clean;
it('should remove the wrapping function declaration', function () {
clean('function (one, two, three) {\n//code\n}').should.equal('//code');
});
it('should handle newlines in the function declaration', function () {
clean('function (one, two, three)\n {\n//code\n}').should.equal('//code');
});
it('should remove space character indentation from the function body', function () {
clean(' //line1\n //line2').should.equal('//line1\n //line2');
});
it('should remove tab character indentation from the function body', function () {
clean('\t//line1\n\t\t//line2').should.equal('//line1\n\t//line2');
});
it('should handle functions with tabs in their declarations', function () {
clean('function\t(\t)\t{\n//code\n}').should.equal('//code');
});
it('should handle named functions without space after name', function () {
clean('function withName() {\n//code\n}').should.equal('//code');
});
it('should handle named functions with space after name', function () {
clean('function withName () {\n//code\n}').should.equal('//code');
});
it('should handle functions with no space between the end and the closing brace', function () {
clean('function() {/*code*/}').should.equal('/*code*/');
});
it('should handle functions with parentheses in the same line', function () {
clean('function() { if (true) { /* code */ } }').should.equal('if (true) { /* code */ }');
});
it('should handle empty functions', function () {
clean('function() {}').should.equal('');
});
});
describe('.isBuffer()', function () {
var isBuffer = utils.isBuffer;
it('should test if object is a Buffer', function () {
isBuffer(new Buffer([0x01])).should.equal(true);
isBuffer({}).should.equal(false);
});
});
describe('.map()', function () {
var map = utils.map;
it('should behave same as Array.prototype.map', function () {
var arr = [1, 2, 3];
map(arr, JSON.stringify).should.eql(arr.map(JSON.stringify));
});
it('should call the callback with 3 arguments[currentValue, index, array]', function () {
var index = 0;
map([1, 2, 3], function (e, i, arr) {
e.should.equal(arr[index]);
i.should.equal(index++);
});
});
it('should apply with the given scope', function () {
var scope = {};
map(['a', 'b', 'c'], function () {
this.should.equal(scope);
}, scope);
});
});
describe('.parseQuery()', function () {
var parseQuery = utils.parseQuery;
it('should get queryString and return key-value object', function () {
parseQuery('?foo=1&bar=2&baz=3').should.eql({
foo: '1',
bar: '2',
baz: '3'
});
parseQuery('?r1=^@(?!.*\\)$)&r2=m{2}&r3=^co.*').should.eql({
r1: '^@(?!.*\\)$)',
r2: 'm{2}',
r3: '^co.*'
});
});
});
describe('.stackTraceFilter()', function () {
describe('on node', function () {
var filter = utils.stackTraceFilter();
describe('on POSIX OS', function () {
before(function () {
if (path.sep !== '/') {
this.skip();
}
});
it('should get a stack-trace as a string and prettify it', function () {
var stack = [
'AssertionError: foo bar',
'at EventEmitter.<anonymous> (/usr/local/dev/test.js:16:12)',
'at Context.<anonymous> (/usr/local/dev/test.js:19:5)',
'Test.Runnable.run (/usr/local/lib/node_modules/mocha/lib/runnable.js:244:7)',
'Runner.runTest (/usr/local/lib/node_modules/mocha/lib/runner.js:374:10)',
'/usr/local/lib/node_modules/mocha/lib/runner.js:452:12',
'next (/usr/local/lib/node_modules/mocha/lib/runner.js:299:14)',
'/usr/local/lib/node_modules/mocha/lib/runner.js:309:7',
'next (/usr/local/lib/node_modules/mocha/lib/runner.js:248:23)',
'Immediate._onImmediate (/usr/local/lib/node_modules/mocha/lib/runner.js:276:5)',
'at processImmediate [as _immediateCallback] (timers.js:321:17)'
];
filter(stack.join('\n'))
.should
.equal(stack.slice(0, 3)
.join('\n'));
stack = [
'AssertionError: bar baz',
'at /usr/local/dev/some-test-file.js:25:8',
'at tryCatcher (/usr/local/dev/own/tmp/node_modules/bluebird/js/main/util.js:24:31)',
'at Promise._resolveFromResolver (/usr/local/dev/own/tmp/node_modules/bluebird/js/main/promise.js:439:31)',
'at new Promise (/usr/local/dev/own/tmp/node_modules/bluebird/js/main/promise.js:53:37)',
'at yourFunction (/usr/local/dev/own/tmp/test1.js:24:13)',
'at Context.<anonymous> (/usr/local/dev/some-test-file:30:4)',
'Test.Runnable.run (/usr/local/lib/node_modules/mocha/lib/runnable.js:218:15)',
'next (/usr/local/lib/node_modules/mocha/lib/runner.js:248:23)',
'Immediate._onImmediate (/usr/local/lib/node_modules/mocha/lib/runner.js:276:5)',
'at processImmediate [as _immediateCallback] (timers.js:321:17)'
];
filter(stack.join('\n'))
.should
.equal(stack.slice(0, 7)
.join('\n'));
});
it('does not ignore other bower_components and components',
function () {
var stack = [
'Error: failed',
'at assert (index.html:11:26)',
'at Context.<anonymous> (test.js:17:18)',
'at bower_components/should/should.js:4827:7',
'at next (file:///.../bower_components/should/should.js:4766:23)',
'at components/should/5.0.0/should.js:4827:7',
'at next (file:///.../components/should/5.0.0/should.js:4766:23)',
'at file:///.../bower_components/mocha/mocha.js:4794:5',
'at timeslice (.../components/mocha/mocha.js:6218:27)',
'at Test.require.register.Runnable.run (file:///.../components/mochajs/mocha/2.1.0/mocha.js:4463:15)',
'at Runner.require.register.Runner.runTest (file:///.../components/mochajs/mocha/2.1.0/mocha.js:4892:10)',
'at file:///.../components/mochajs/mocha/2.1.0/mocha.js:4970:12',
'at next (file:///.../components/mochajs/mocha/2.1.0/mocha.js:4817:14)'
];
filter(stack.join('\n'))
.should
.equal(stack.slice(0, 7)
.join('\n'));
});
it('should replace absolute with relative paths', function () {
var stack = [
'Error: ' + process.cwd() + '/bla.js has a problem',
'at foo (' + process.cwd() + '/foo/index.js:13:226)',
'at bar (/usr/local/dev/own/tmp/node_modules/bluebird/js/main/promise.js:11:26)'
];
var expected = [
'Error: ' + process.cwd() + '/bla.js has a problem',
'at foo (foo/index.js:13:226)',
'at bar (/usr/local/dev/own/tmp/node_modules/bluebird/js/main/promise.js:11:26)'
];
filter(stack.join('\n'))
.should
.equal(expected.join('\n'));
});
});
describe('on Windows', function () {
before(function () {
if (path.sep === '/') {
this.skip();
}
});
it('should work on Windows', function () {
var stack = [
'Error: failed',
'at Context.<anonymous> (C:\\Users\\ishida\\src\\test\\test\\mytest.js:5:9)',
'at callFn (C:\\Users\\ishida\\src\\test\\node_modules\\mocha\\lib\\runnable.js:326:21)',
'at Test.Runnable.run (C:\\Users\\ishida\\src\\test\\node_modules\\mocha\\lib\\runnable.js:319:7)',
'at Runner.runTest (C:\\Users\\ishida\\src\\test\\node_modules\\mocha\\lib\\runner.js:422:10)',
'at C:\\Users\\ishida\\src\\test\\node_modules\\mocha\\lib\\runner.js:528:12',
'at next (C:\\Users\\ishida\\src\\test\\node_modules\\mocha\\lib\\runner.js:342:14)',
'at C:\\Users\\ishida\\src\\test\\node_modules\\mocha\\lib\\runner.js:352:7',
'at next (C:\\Users\\ishida\\src\\test\\node_modules\\mocha\\lib\\runner.js:284:14)',
'at Immediate._onImmediate (C:\\Users\\ishida\\src\\test\\node_modules\\mocha\\lib\\runner.js:320:5)'
];
filter(stack.join('\n'))
.should
.equal(stack.slice(0, 2)
.join('\n'));
});
});
});
describe('on browser', function () {
var filter;
before(function () {
global.document = true;
global.location = { href: 'localhost:3000/foo/bar/index.html' };
filter = utils.stackTraceFilter();
});
it('does not strip out other bower_components', function () {
var stack = [
'Error: failed',
'at assert (index.html:11:26)',
'at Context.<anonymous> (test.js:17:18)',
'at bower_components/should/should.js:4827:7',
'at next (bower_components/should/should.js:4766:23)',
'at components/should/5.0.0/should.js:4827:7',
'at next (components/should/5.0.0/should.js:4766:23)',
'at Runner.require.register.Runner.runTest (node_modules/mocha.js:4892:10)',
'at localhost:3000/foo/bar/node_modules/mocha.js:4970:12',
'at next (node_modules/mocha.js:4817:14)'
];
filter(stack.join('\n')).should.equal(stack.slice(0, 7).join('\n'));
});
after(function () {
delete global.document;
delete global.location;
});
});
});
describe('.isPromise', function () {
it('should return true if the value is Promise-ish', function () {
utils.isPromise({then: function () {}}).should.be.true;
});
it('should return false if the value is not an object', function () {
utils.isPromise(1).should.be.false;
});
it('should return false if the value is an object w/o a "then" function', function () {
utils.isPromise({}).should.be.false;
});
});
});
|
