old_contents: # Copyright 2013 Donald Stufft and individual contributors
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  
  import pytest
  
  import nacl.secret
  import nacl.utils
  
  
  def test_random_bytes_produces():
      assert len(nacl.utils.random(16)) == 16
  
  
  def test_random_bytes_produces_different_bytes():
      assert nacl.utils.random(16) != nacl.utils.random(16)
  
  
  def test_string_fixer():
      assert str(nacl.secret.SecretBox(b"\x00" * 32)) == str(b"\x00" * 32)
  
  
  def test_deterministic_random_bytes():
      expected = (
          b"0d8e6cc68715648926732e7ea73250cfaf2d58422083904c841a8ba"
          b"33b986111f346ba50723a68ae283524a6bded09f83be6b80595856f"
          b"72e25b86918e8b114bafb94bc8abedd73daab454576b7c5833eb0bf"
          b"982a1bb4587a5c970ff0810ca3b791d7e12"
      )
      seed = (
          b"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d"
          b"\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b"
          b"\x1c\x1d\x1e\x1f"
      )
      assert (
          nacl.utils.randombytes_deterministic(
              100, seed, encoder=nacl.utils.encoding.HexEncoder
          )
          == expected
      )
  
  
  def test_deterministic_random_bytes_invalid_seed_length():
      expected = "Deterministic random bytes must be generated from 32 bytes"
      seed = b"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a"
      with pytest.raises(TypeError) as e:
          nacl.utils.randombytes_deterministic(100, seed)
      assert expected in str(e.value)
  
new_contents: # Copyright 2013 Donald Stufft and individual contributors
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  
  import pytest
  
  import nacl.secret
  import nacl.utils
  
  
  def test_random_bytes_produces():
      assert len(nacl.utils.random(16)) == 16
  
  
  def test_random_bytes_produces_different_bytes():
      assert nacl.utils.random(16) != nacl.utils.random(16)
  
  
  def test_string_fixer():
      assert str(nacl.secret.SecretBox(b"\x00" * 32)) == str(b"\x00" * 32)
  
  
  def test_deterministic_random_bytes():
      expected = (
          b"0d8e6cc68715648926732e7ea73250cfaf2d58422083904c841a8ba"
          b"33b986111f346ba50723a68ae283524a6bded09f83be6b80595856f"
          b"72e25b86918e8b114bafb94bc8abedd73daab454576b7c5833eb0bf"
          b"982a1bb4587a5c970ff0810ca3b791d7e12"
      )
      seed = (
          b"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d"
          b"\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b"
          b"\x1c\x1d\x1e\x1f"
      )
      assert (
          nacl.utils.randombytes_deterministic(
              100, seed, encoder=nacl.encoding.HexEncoder
          )
          == expected
      )
  
  
  def test_deterministic_random_bytes_invalid_seed_length():
      expected = "Deterministic random bytes must be generated from 32 bytes"
      seed = b"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a"
      with pytest.raises(TypeError) as e:
          nacl.utils.randombytes_deterministic(100, seed)
      assert expected in str(e.value)
  
subject: fix mypy (#770)