require File.dirname(__FILE__) + '/../spec_helper'

describe ExchangeVerifier, "availability by level" do
  set_fixture_class(:exchange_originals => Exchange::Original, :exchange_items => Exchange::TradeItem)
  fixtures :exchange_originals, :exchanges, :exchange_trade_items, :original_cards, :users

  before :each do
    @exchange = exchanges(:public)
    @high_enough_level_user = users(:mourat)
    @low_level_user = users(:elliot)
  end
  it "is true for user with high enough level" do
    ExchangeVerifier.new(@high_enough_level_user, @exchange).has_high_enough_level?.should be_true
  end

  it "is false for user who's level is lower" do
    ExchangeVerifier.new(@low_level_user, @exchange).has_high_enough_level?.should be_false
  end
end

describe ExchangeVerifier, "with operations limit hit" do
  set_fixture_class(:exchange_originals => Exchange::Original, :exchange_items => Exchange::TradeItem)
  fixtures :exchange_originals, :exchanges, :exchange_trade_items, :original_cards, :users
  predicate_matchers[:hit_the_limit] = :limit_hit?
  before :each do
    @exchange = exchanges(:nonpublic)
    @exchange.count = 0
    @user = users(:mourat)
  end

  it "is not available to anyone" do
    ExchangeVerifier.new(@user, @exchange).should hit_the_limit
  end
end

describe ExchangeVerifier, "exchange eligibility predicate" do
  set_fixture_class(:exchange_originals => Exchange::Original, :exchange_items => Exchange::TradeItem)
  fixtures :exchange_originals, :exchanges, :exchange_trade_items, :original_cards, :users
  before :each do
    @exchange = exchanges(:three_virkans_for_travis)
    @low_level_user = users(:elliot)
    @high_enough_level_user = users(:faraon)
    @high_enough_level_user_with_satisfying_cards = users(:mourat)
  end

  it "is false for low-level user" do
    ExchangeVerifier.new(@low_level_user, @exchange).should_not be_eligable_for_exchange
  end

  it "is false if exchange limit hit" do
    @exchange.count = 0
    ExchangeVerifier.new(@high_enough_level_user_with_satisfying_cards, @exchange).should_not be_eligable_for_exchange
  end

  it "is false for user with not enough of satisfying cards" do
    ExchangeVerifier.new(@high_enough_level_user, @exchange).should_not be_eligable_for_exchange
  end

  it "is true for enough high-level user with enough of satisfying cards when NOT limit hit" do
    ExchangeVerifier.new(@high_enough_level_user_with_satisfying_cards, @exchange).should be_eligable_for_exchange
  end

end