# -*- coding: utf-8 -*-
require 'test_helper'
require 'csv'
class UserTest < ActiveSupport::TestCase
  setup do
    @user = User.create(:name => 'yalab', :age => '29', :secret => 'password')
  end

  test "#to_csv_ary without params" do
    assert_equal @user.attributes.length, @user.to_csv_ary.length
    assert_equal @user.attributes.values[0..-2], @user.to_csv_ary[0..-2]
  end

  test "#to_csv_ary with field params" do
    fields = [:name, :age]
    assert_equal fields.map{|f| @user[f] }, @user.to_csv_ary(fields)
  end

  test "#to_csv_ary use method not a database field" do
    assert_equal [@user.one], @user.to_csv_ary([:one])
  end

  test "#to_csv_ary accept encoding" do
    name = 'よしだ'
    assert_equal name.encode('SJIS'), User.create(:name => name).to_csv_ary([:name], :encoding => 'SJIS').first
  end

  test "#updated_at_as_csv" do
    assert_equal @user.updated_at.strftime("%F %H:%M"), @user.updated_at_as_csv
  end

  test ".to_csv without params" do
    csv = CSV.parse(User.to_csv)
    header = csv.first.map{|f| f.downcase.tr(' ', '_') }
    header.delete("updated_at")
    line = csv.last
    header.each.with_index do |field, index|
      assert_equal @user[field].to_s, line[index]
    end
  end

  test ".to_csv can use fields option" do
    fields = [:id, :name]
    row = CSV.parse(User.to_csv(:fields => fields)).last
    assert_equal fields.map{|f| @user[f].to_s }, row
  end

  test ".to_csv varnish header" do
    fields = [:id, :name]
    row = CSV.parse(User.to_csv(:fields => fields, :without_header => true)).first
    assert_not_equal fields.map{|f| User.human_attribute_name(f) }, row
  end

  test ".to_csv header use human_attribute_name" do
    fields = [:id, :name, :one]
    header = CSV.parse(User.to_csv(:fields => fields)).first
    assert_equal fields.map{|f| User.human_attribute_name(f) }, header
  end

  test ".to_csv with scoped" do
    User.create(:name => 'atsushi', :age => 45, :secret => 'none')
    assert_equal 1, CSV.parse(User.where("age > 39").to_csv(:without_header => true)).length
  end

  test ".to_csv accept encoding" do
    I18n.locale = :ja
    assert_equal "名前".encode('SJIS'), CSV.parse(User.to_csv(:fields => [:name], :encoding => 'SJIS')).first.first
    I18n.locale = :en
  end

end