text: import pytest
  from ssdcoin.util.misc import format_bytes
  from ssdcoin.util.misc import format_minutes
  
  
  class TestMisc:
      @pytest.mark.asyncio
      async def test_format_bytes(self):
          assert format_bytes(None) == "Invalid"
          assert format_bytes(dict()) == "Invalid"
          assert format_bytes("some bytes") == "Invalid"
          assert format_bytes(-1024) == "Invalid"
          assert format_bytes(0) == "0.000 MiB"
          assert format_bytes(1024) == "0.001 MiB"
          assert format_bytes(1024 ** 2 - 1000) == "0.999 MiB"
          assert format_bytes(1024 ** 2) == "1.000 MiB"
          assert format_bytes(1024 ** 3) == "1.000 GiB"
          assert format_bytes(1024 ** 4) == "1.000 TiB"
          assert format_bytes(1024 ** 5) == "1.000 PiB"
          assert format_bytes(1024 ** 6) == "1.000 EiB"
          assert format_bytes(1024 ** 7) == "1.000 ZiB"
          assert format_bytes(1024 ** 8) == "1.000 YiB"
          assert format_bytes(1024 ** 9) == "1024.000 YiB"
          assert format_bytes(1024 ** 10) == "1048576.000 YiB"
          assert format_bytes(1024 ** 20).endswith("YiB")
  
      @pytest.mark.asyncio
      async def test_format_minutes(self):
          assert format_minutes(None) == "Invalid"
          assert format_minutes(dict()) == "Invalid"
          assert format_minutes("some minutes") == "Invalid"
          assert format_minutes(-1) == "Unknown"
          assert format_minutes(0) == "Now"
          assert format_minutes(1) == "1 minute"
          assert format_minutes(59) == "59 minutes"
          assert format_minutes(60) == "1 hour"
          assert format_minutes(61) == "1 hour and 1 minute"
          assert format_minutes(119) == "1 hour and 59 minutes"
          assert format_minutes(1380) == "23 hours"
          assert format_minutes(1440) == "1 day"
          assert format_minutes(2160) == "1 day and 12 hours"
          assert format_minutes(8640) == "6 days"
          assert format_minutes(10080) == "1 week"
          assert format_minutes(20160) == "2 weeks"
          assert format_minutes(40240) == "3 weeks and 6 days"
          assert format_minutes(40340) == "4 weeks"
          assert format_minutes(43800) == "1 month"
          assert format_minutes(102000) == "2 months and 1 week"
          assert format_minutes(481800) == "11 months"
          assert format_minutes(525600) == "1 year"
          assert format_minutes(1007400) == "1 year and 11 months"
          assert format_minutes(5256000) == "10 years"
  