SocialNetworkProxy_V2.test.js

const SocialNetworkProxy = artifacts.require('SocialNetworkProxy')
const SocialNetworkV1 = artifacts.require('SocialNetworkV1')

contract('SocialNetworkProxy', async () => {
  let proxy, socialNetworkProxy, socialNetworkV1

  before(async () => {
    proxy = await SocialNetworkProxy.deployed()
    socialNetworkProxy = SocialNetworkV1.at(proxy.address)
    socialNetworkV1 = await SocialNetworkV1.deployed()
  })

  it('should have the SocialNetworkV1 address as its implementation', async () => {
    const implementation = await proxy.implementation()
    expect(implementation).to.equal(socialNetworkV1.address)
  })

  context('when delegating to the SocialNetworkV1 contract', async () => {
    before(async () => {
      socialNetworkProxy = SocialNetworkV1.at(proxy.address)
    })
    
    it('should return a name', async () => {
      const name = await socialNetworkProxy.name()
      expect(name).to.equal('TanookiChats')
    })

    it('should throw when setting a name with less than 3 characters', async () => {
      try {
        await socialNetworkProxy.setName('HI')
      } catch (error) {
        expect(error).not.to.equal(null)
      }
    })

    it('should return an imageUrl', async () => {
      const imageUrl = await socialNetworkProxy.imageUrl()
      expect(imageUrl).to.equal('http://tanookilabs.com/images/tanooki-small@2x-0500fc1e.png')
    })

    it('sould allow us to update the imageUrl', async () => {
      await socialNetworkProxy.setImageUrl('http://tanookilabs.com/images/exploding-beaker@2x-30aa1907.png')

      const imageUrl = await socialNetworkProxy.imageUrl()
      expect(imageUrl).to.equal('http://tanookilabs.com/images/exploding-beaker@2x-30aa1907.png')
    })
  })
})