def test_dump_cache(self):
bitgen = QiskitBitGenerator()
cache = "100" * 100
bitgen.load_cache(cache)
assert bitgen.dump_cache() == cache
assert (bitgen.dump_cache(flush=True) == cache
and bitgen._bitcache.size == 0
and bitgen._bitcache._cache == "")
def test_random_uint(self):
bitgen = QiskitBitGenerator()
cache = "100" * 100
n_bits = 4
bitgen.load_cache(cache)
assert (bitgen.random_uint(-1) == 10540996613548315209
and bitgen.random_uint(0) == 2635249153387078802
and bitgen.random_uint(n_bits) == 4)
bitgen = QiskitBitGenerator(ISRAW32=True)
cache = "100" * 100
n_bits = 4
bitgen.load_cache(cache)
assert (bitgen.random_uint(-1) == 2454267026
and bitgen.random_uint(0) == 1227133513
and bitgen.random_uint(n_bits) == 2)
def test_random_double(self):
bitgen = QiskitBitGenerator()
cache = "100" * 100
n = 4
bitgen.load_cache(cache)
assert (bitgen.random_double(-1) == -0.5714285714285714
and bitgen.random_double(0) == 0.0
and bitgen.random_double(n) == 1.1428571428571423)
bitgen = QiskitBitGenerator(ISRAW32=True)
cache = "100" * 100
n = 4
bitgen.load_cache(cache)
assert (bitgen.random_double(-1) == -0.5714285714285714
and bitgen.random_double(0) == 0.0
and bitgen.random_double(n) == 1.1428571428571423)
def test_random_bitstring(self):
bitgen = QiskitBitGenerator()
cache = "100" * 100
n_bits = 4
bitgen.load_cache(cache)
assert (bitgen.random_bitstring(-1) == cache[:bitgen.BITS]
and bitgen.random_bitstring(0)
== cache[bitgen.BITS:bitgen.BITS * 2]
and bitgen.random_bitstring(n_bits)
== cache[bitgen.BITS * 2:bitgen.BITS * 2 + n_bits])
bitgen = QiskitBitGenerator(ISRAW32=True)
cache = "100" * 100
n_bits = 4
bitgen.load_cache(cache)
assert (bitgen.random_bitstring(-1) == cache[:bitgen.BITS]
and bitgen.random_bitstring(0)
== cache[bitgen.BITS:bitgen.BITS * 2]
and bitgen.random_bitstring(n_bits)
== cache[bitgen.BITS * 2:bitgen.BITS * 2 + n_bits])
def test_load_cache(self):
bitgen = QiskitBitGenerator()
cache = "100" * 100
with pytest.raises(TypeError):
bitgen.load_cache(0)
with pytest.raises(ValueError):
bitgen.load_cache("abc")
bitgen.load_cache(cache)
bitgen.load_cache(cache)
assert (bitgen._bitcache.size == 2 * len(cache)
and bitgen._bitcache._cache == cache + cache)
bitgen.load_cache(cache, flush=True)
assert (bitgen._bitcache.size == len(cache)
and bitgen._bitcache._cache == cache)
def test_flush_cache(self):
bitgen = QiskitBitGenerator()
cache = "100" * 100
bitgen.load_cache(cache)
bitgen.flush_cache()
assert bitgen._bitcache.size == 0 and bitgen._bitcache._cache == ""
