sharedExamplesFor('a collection',()=>{it('has three items',()=>{expect($subject.size).to.equal(3)})describe('#has',()=>{it('returns true with an item that is in the collection',()=>{expect($subject.has(7)).to.be.true})it('returns false with an item that is not in the collection',()=>{expect($subject.has(9)).to.be.false})})})describe('Set',()=>{subject(()=>newSet([1,2,7]))itBehavesLike('a collection')})describe('Map',()=>{subject(()=>newMap([[2,1],[7,5],[3,4]]))itBehavesLike('a collection')})

sharedExamplesFor('a collection',(size,existingItem,nonExistingItem)=>{it('has three items',()=>{expect($subject.size).to.equal(size)})describe('#has',()=>{it('returns true with an item that is in the collection',()=>{expect($subject.has(existingItem)).to.be.true})it('returns false with an item that is not in the collection',()=>{expect($subject.has(nonExistingItem)).to.be.false})})})describe('Set',()=>{subject(()=>newSet([1,2,7]))itBehavesLike('a collection',3,2,10)})describe('Map',()=>{subject(()=>newMap([[2,1]]))itBehavesLike('a collection',1,2,3)})

sharedExamplesFor('a collection',(collection)=>{def('collection',collection)it('has three items',()=>{expect($collection.size).to.equal(1)})describe('#has',()=>{it('returns true with an item that is in the collection',()=>{expect($collection.has(7)).to.be.true})it('returns false with an item that is not in the collection',()=>{expect($collection.has(9)).to.be.false})})})describe('Set',()=>{subject(()=>newSet([7]))itBehavesLike('a collection',get.variable('subject'))})describe('Map',()=>{subject(()=>newMap([[2,1]]))itBehavesLike('a collection',get.variable('subject'))})

describe('Array',()=>{subject(()=>({items:[1,2,3],name:'John'}))its('items.length',()=>is.expected.to.equal(3))// i.e. expect($subject.items.length).to.equal(3)its('name',()=>is.expected.to.equal('John'))// i.e. expect($subject.name).to.equal('John')// i.e. expect($subject).to.have.property('items').which.has.length(3)it(()=>is.expected.to.have.property('items').which.has.length(3))})

  Array    ✓ is expected to have property('items') which has length(3)    items.length      ✓ is expected to equal(3)    name      ✓ is expected to equal('John')

Command line

mocha -u jspec/global

In JavaScript

constMocha=require('mocha');constmocha=newMocha({ui:'jspec/global'// jspec or jspec/getter});mocha.addFile(...)mocha.run(...)// !!! Important the next code should be written in a separate file// later you can either use `get` and `def` as global functions// or export them from corresponding moduleconst{ get, def}=require('jspec/global');describe('Test',()=>{// ...})

Using karma (via karma-mocha npm package)

module.exports=function(config){config.set({// ....client:{mocha:{ui:'jspec/global',require:[require.resolve('jspec/global')]}}});}

Command line

jasmine --helper=node_modules/jspec/global.js

require('jspec/global');// ... other helper stuff

jasmine --helper=spec/*_helper.js

In JavaScript

require('jasmine-core');// !!! Important the next code should be written in a separate file// later you can either use `get` and `def` as global functions// or export them from corresponding moduleconst{ get, def}=require('jspec/global');describe('Test',()=>{// ...})

Using karma (via karma-jasmine npm package)

module.exports=function(config){config.set({// ....files:['node_modules/jspec/global.js',// ... your specs here]});}

Command line

jest

jest --setupTestFrameworkScriptFile jspec/global

In JavaScript

// later you can either use `get` and `def` as global functions// or export them from relative moduleconst{ get, def}=require('jspec/global');

{"compilerOptions":{"module":"commonjs","removeComments":true,"preserveConstEnums":true,"sourceMap":true},"include":["src/**/*","node_modules/jspec/index.d.ts"// for `get('<variableName>')` syntax// or"node_modules/jspec/getter.d.ts"// for `get.<variableName>` syntax]}

import{get,def}from'jspec'// orimport{get,def}from'jspec/getter'describe('My Test',()=>{// ....})

import{def}from'jspec/global'describe('My Test',()=>{declarelet$value:number// <-- need to place this declarations manuallydef('value',()=>5)it('equals 5',()=>{expect($value).to.equal(5)})})

describe('Array',()=>{subject(()=>[1,2,3]);it('has 3 elements by default',()=>{expect($subject).to.have.length(3);});});

describe('Array',()=>{subject('collection',()=>[1,2,3]);it('has 3 elements by default',()=>{expect($subject).to.equal($collection);expect($collection).to.have.length(3);});});

describe('Array',()=>{subject('collection',()=>[1,2,3]);beforeEach(()=>{// this beforeEach is executed for tests of suite with subject equal [1, 2, 3]// and for nested describe with subject being []$subject.push(4);});it('has 3 elements by default',()=>{expect($subject).to.equal($collection);expect($collection).to.have.length(3);});describe('when empty',()=>{subject(()=>[]);it('has 1 element',()=>{expect($subject).not.to.equal($collection);expect($collection).to.deep.equal([4]);});});});

describe('Array',()=>{subject('collection',()=>[1,2,3]);it('has 3 elements by default',()=>{expect($subject).to.equal($collection);expect($collection).to.have.length(3);});describe('when empty',()=>{subject(()=>{// in this definition `$subject` references parent $subject (i.e., `$collection` variable)return$subject.concat([4,5]);});it('is properly uses parent subject',()=>{expect($subject).not.to.equal($collection);expect($collection).to.deep.equal([1,2,3,4,5]);});});});