# test_AtomFeed.R
# Author: Emmanuel Blondel <emmanuel.blondel1@gmail.com>
#
# Description: Unit tests for AtomFeed.R
#=======================
require(atom4R, quietly = TRUE)
require(testthat)
require(XML)

context("AtomFeed")

test_that("encoding",{
  testthat::skip_on_cran()

  #encoding
  atom <- AtomFeed$new()
  atom$setId("my-atom-feed")
  atom$setTitle("My Atom feed title")
  atom$setSubtitle("MyAtom feed subtitle")
  author1 <- AtomAuthor$new(
    name = "John Doe",
    uri = "http://www.atomxml.com/johndoe",
    email = "johndoe@atom4R.com"
  )
  atom$addAuthor(author1)
  author2 <- AtomAuthor$new(
    name = "John Doe's sister",
    uri = "http://www.atomxml.com/johndoesister",
    email = "johndoesister@atom4R.com"
  )
  atom$addAuthor(author2)
  contrib1 <- AtomContributor$new(
    name = "Contrib1",
    uri = "http://www.atomxml.com/contrib1",
    email = "contrib1@atom4R.com"
  )
  atom$addContributor(contrib1)
  contrib2 <- AtomContributor$new(
    name = "Contrib2",
    uri = "http://www.atomxml.com/contrib2",
    email = "contrib2@atom4R.com"
  )
  atom$addContributor(contrib2)
  atom$setIcon("https://via.placeholder.com/300x150.png/03f/fff?text=atom4R")
  atom$setSelfLink("http://example.com/atom.feed")
  atom$setAlternateLink("http://example.com/my-atom-feed")
  atom$addCategory("DRAFT", "dataset")
  atom$addCategory("World", "spatial")
  atom$addCategory("Tuna", "fishery")

  #add entry
  entry <- AtomEntry$new()
  entry$setId("my-atom-entry")
  entry$setTitle("My Atom feed entry")
  entry$setSummary("My Atom feed entry very comprehensive abstract")
  author1 <- AtomAuthor$new(
    name = "John Doe",
    uri = "http://www.atomxml.com/johndoe",
    email = "johndoe@atom4R.com"
  )
  entry$addAuthor(author1)
  author2 <- AtomAuthor$new(
    name = "John Doe's sister",
    uri = "http://www.atomxml.com/johndoesister",
    email = "johndoesister@atom4R.com"
  )
  entry$addAuthor(author2)
  contrib1 <- AtomContributor$new(
    name = "Contrib1",
    uri = "http://www.atomxml.com/contrib1",
    email = "contrib1@atom4R.com"
  )
  entry$addContributor(contrib1)
  contrib2 <- AtomContributor$new(
    name = "Contrib2",
    uri = "http://www.atomxml.com/contrib2",
    email = "contrib2@atom4R.com"
  )
  entry$addContributor(contrib2)
  entry$addCategory("DRAFT", "dataset")
  entry$addCategory("World", "spatial")
  entry$addCategory("Tuna", "fishery")

  atom$addEntry(entry)

  xml <- atom$encode()
  expect_is(atom, "AtomFeed")

  #decoding
  atom2 <- AtomFeed$new(xml = xml)
  xml2 <- atom2$encode()

  expect_true(AtomAbstractObject$compare(atom, atom2))

})