mdw@git.distorted.org.uk Git - mLib-python/blob - test.py

   1 #! /usr/bin/python
   2 ### -*- coding: utf-8 -*-
   3
   4 import sys as SYS
   5 import mLib as M
   6
   7 if SYS.version_info >= (3,):
   8   def _bin(text): return text.encode()
   9   def _text(bin): return bin.decode()
  10 else:
  11   def _bin(text): return text
  12   def _text(bin): return bin
  13
  14 def must_equal(x, y):
  15   if x == y: pass
  16   else: raise AssertionError("%r != %r" % (x, y))
  17
  18 ## Done!
  19 print(";; test begins (Python %s)" % SYS.version)
  20
  21 ## crc32
  22 must_equal(M.crc32(_bin("abc")), 0x352441c2)
  23 must_equal(M.CRC32().chunk(_bin("a")).chunk(_bin("bc")).done(), 0x352441c2)
  24
  25 ## unihash
  26 assert M.Unihash().key is None
  27 must_equal(M.Unihash.hash(_bin("abc")), 0xbf71f6a2)
  28 must_equal(M.Unihash().chunk(_bin("a")).chunk(_bin("bc")).done(), 0xbf71f6a2)
  29 key = M.UnihashKey(0x8498a262)
  30 assert M.Unihash(key).key is key
  31 must_equal(M.Unihash.hash(_bin("abc"), key), 0xecd1e2a2)
  32 must_equal(key.hash(_bin("abc")), 0xecd1e2a2)
  33 must_equal(M.Unihash(key).chunk(_bin("a")).chunk(_bin("bc")).done(), 0xecd1e2a2)
  34 M.setglobalkey(0x8498a262)
  35 must_equal(M.Unihash.hash(_bin("abc")), 0xecd1e2a2)
  36
  37 ## atom
  38 foo = M.Atom("foo")
  39 bar = M.Atom("bär")
  40 assert foo != bar
  41 assert foo is M.Atom("foo")
  42 assert bar is M.Atom("bär")
  43 assert foo.internedp
  44 must_equal(foo.name, "foo")
  45 must_equal(bar.name, "bär")
  46 gen = M.Atom()
  47 assert gen is not M.Atom()
  48 assert not gen.internedp
  49 all = set(M.atoms())
  50 assert foo in all
  51 assert bar in all
  52
  53 ## assoc, sym
  54 def test_mapping(mapcls, keya, keyz):
  55   tab = mapcls()
  56   tab[keya] = 69; must_equal(tab[keya], 69)
  57   tab[keya] = 42; must_equal(tab[keya], 42)
  58   tab[keyz] = 'zing'; must_equal(tab[keyz], 'zing')
  59   del tab[keyz]
  60   try: tab[keyz]
  61   except KeyError: pass
  62   else: assert False
  63   must_equal(list(tab.keys()), [keya])
  64   must_equal(list(tab.values()), [42])
  65   must_equal(list(tab.items()), [(keya, 42)])
  66 test_mapping(M.AssocTable, foo, bar)
  67 test_mapping(M.SymTable, 'foo', 'bar')
  68
  69 ## Done!
  70 print(";; test completed OK")