describe('@capire/bookshop', () => {

  const { GET, POST, expect } = require('@capire/tests') .launch ('@capire/bookshop')

  it ('should serve $metadata documents in v4', async () => {
    const {headers,status,data} = await GET `/browse/$metadata`
    expect (headers) .to.contain ({
      "content-type": 'application/xml',
      "odata-version": "4.0",
    })
    expect (data) .to.contain (
      '<EntitySet Name="Books" EntityType="CatalogService.Books">',
    )
    expect (data) .to.contain (
      '<Annotation Term="Common.Label" String="Currency"/>'
    )
    expect (status) .to.equal (200)
  })


  it ('should serve localized $metadata documents', async () => {
    const {data} = await GET `/browse/$metadata?sap-language=de`
    expect (data) .to.contain (
      '<Annotation Term="Common.Label" String="Währung"/>'
    )
  })


  it ('should serve localized Books with $expanded currency', async () => {
    const {data} = await GET `/browse/Books?&$select=title,author&$expand=currency&sap-language=de`
    expect (data.value) .to.containSubset ([
      {
        ID:201, title: 'Sturmhöhe', author: 'Emily Brontë', currency: {
          code: 'GBP',
          descr: 'Britische Pfund',
          name: 'Pfund',
          symbol: '£'
        }
      },
      {
        ID:207, title: 'Jane Eyre', author: 'Charlotte Brontë', currency: {
          descr: 'Britische Pfund',
        }
      },
      {
        ID:251, title: 'The Raven', author: 'Edgar Allen Poe', currency: {
          code: 'USD',
          name: 'US-Dollar',
          symbol: '$'
        }
      },
      {
        ID:252, title: 'Eleonora', author: 'Edgar Allen Poe'
      },
      {
        ID:271, title: 'Catweazle', author: 'Richard Carpenter', currency: {
          code: 'EUR',
          name: 'Euro',
          symbol: '€'
        }
      }
    ])
  })


  it ('should serve localized Authors w/ $expanded book and currency', async () => {
    const {data} = await GET (`/admin/Authors/101?sap-language=de`
    + `&$expand=books($select=title;$expand=currency($select=code,name,symbol))`
    + `&$select=name`)
    expect (data) .to.eql ({
      '@odata.context': '$metadata#Authors(name,ID,books(title,ID,currency(code,name,symbol)))/$entity',
      ID:101, name: 'Emily Brontë', books: [
        { ID:201, title: 'Sturmhöhe', currency: {
          code:'GBP', name: 'Pfund', symbol: '£'
        }}
      ],
    })
  })


  it ('should check on current stocks with $value', async () => {
    const { data } = await GET `/admin/Books/201/stock/$value`
    expect(data) .to.equal (12)
  })


  it ('should reject out-of-stock orders', ()=> {
    return expect (Promise.all ([
      POST ('/browse/submitOrder', { book: 201, amount: 5 }),
      POST ('/browse/submitOrder', { book: 201, amount: 5 }),
      POST ('/browse/submitOrder', { book: 201, amount: 5 }),
    ])) .to.be.rejectedWith (/409 - 5 exceeds stock for book #201/)
  })

})