defmodule Explorer.Workers.ImportTransactionTest do
  use Explorer.DataCase

  import Mock

  alias Explorer.Receipt
  alias Explorer.Repo
  alias Explorer.Transaction
  alias Explorer.Workers.ImportTransaction

  describe "perform/1" do
    test "imports the requested transaction hash" do
      use_cassette "import_transaction_perform_1" do
        with_mock Exq, [enqueue: fn (_, _, _, _) -> :ok end] do
          ImportTransaction.perform("0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926")
        end
        transaction = Transaction |> Repo.one
        assert transaction.hash == "0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926"
      end
    end

    test "when there is already a transaction with the requested hash" do
      insert(:transaction, hash: "0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926")
      use_cassette "import_transaction_perform_1" do
        with_mock Exq, [enqueue: fn (_, _, _, _) -> :ok end] do
          ImportTransaction.perform("0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926")
        end
        transaction_count = Transaction |> Repo.all |> Enum.count
        assert transaction_count == 1
      end
    end

    test "imports the receipt in another queue" do
      transaction = insert(:transaction, hash: "0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926")
      use_cassette "import_transaction_perform_1" do
        with_mock Exq, [enqueue: fn (_, _, _, _) -> insert(:receipt, transaction: transaction) end] do
          ImportTransaction.perform("0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926")
          receipt = Repo.one(Receipt)
          refute is_nil(receipt)
        end
      end
    end

    test "imports the receipt in another queue when a map is supplied" do
      transaction = insert(:transaction, hash: "0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926")
      use_cassette "import_transaction_perform_1" do
        with_mock Exq, [enqueue: fn (_, _, _, _) -> insert(:receipt, transaction: transaction) end] do
          ImportTransaction.perform(%{
            "hash" => "0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926",
            "to" => "0xc001",
            "from" => "0xbead5",
            "blockHash" => "0xcafe",
          })
          receipt = Repo.one(Receipt)
          refute is_nil(receipt)
        end
      end
    end
  end

  describe "perform_later/1" do
    test "imports the transaction in another queue" do
      use_cassette "import_transaction_perform_1" do
        with_mock Exq, [enqueue: fn (_, _, _, _) -> insert(:transaction, hash: "0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926") end] do
          ImportTransaction.perform_later("0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926")
          transaction = Repo.one(Transaction)
          assert transaction.hash == "0xf9a0959d5ccde33ec5221ddba1c6d7eaf9580a8d3512c7a1a60301362a98f926"
        end
      end
    end
  end
end