def test_numbered_repeat():
# Test repeats without overrun
generator = XegerGen(1024, filler="a(bc){5}d", max_random=10)
contents = generator.read(0, 15)
assert contents == "abcbcbcbcbcdabcb"
assert generator._remainder == "cbcbcbcd"
# Test repeats with overrun
generator = XegerGen(16, filler="a(bc){5}d", max_random=10)
contents = generator.read(0, 15)
assert contents == "abcbcbcbcbcd0000"
def test_padding():
# Default padding
generator = XegerGen(64, filler="55555", max_random=10)
contents = generator.read(0, 63)
assert contents.endswith("50000")
# Longer padding sequence (should be truncated)
generator = XegerGen(64, filler="55555", padder="longer", max_random=10)
contents = generator.read(0, 63)
assert contents.endswith("5long")
# Longer padding and suffix
generator = XegerGen(64, filler="55555", padder="longer",
max_random=10, suffix="9999999999")
contents = generator.read(0, 63)
assert contents.endswith("5long9999999999")
def test_repeat():
generator = XegerGen(1024, filler="ab", max_random=10)
contents = generator.read(0, 15)
assert contents == "abababababababab"
def test_suffix():
generator = XegerGen(16, suffix="1111", filler="0", max_random=10)
contents = generator.read(0, 15)
assert contents == "0000000000001111"
def test_prefix():
generator = XegerGen(1024, prefix="11", filler="0", max_random=10)
contents = generator.read(0, 15)
assert contents == "1100000000000000"
def test_xeger_gen_read_before_beginning():
generator = XegerGen(10, prefix='XX')
contents = generator.read(-10, 10)
assert contents == "XX00000000"
def test_xeger_read_beyond_prefix():
generator = XegerGen(20, prefix='XX')
contents1 = generator.read(10, 20)
assert contents1 == "0000000000" # note no prefix
def test_xeger_gen_read_beyond_length():
generator = XegerGen(10, prefix='XX')
contents1 = generator.read(0, 10)
assert contents1 == "XX00000000"
contents2 = generator.read(0, 10)
assert contents2 == "XX00000000"
def test_xeger_gen():
generator = XegerGen(1024, filler="0", max_random=10)
contents = generator.read(0, 15)
assert contents == "0000000000000000"
def test_range():
for _ in range(0, 128):
generator = XegerGen(1024, filler="a[0-9,a-z,A-Z]{5}d", max_random=10)
contents = generator.read(0, 256)
match = re.match("a[0-9,a-z,A-Z]{5}d", contents)
assert match is not None
def test_choice():
for _ in range(0, 128):
generator = XegerGen(1024, filler="a[012345]{14}b", max_random=10)
contents = generator.read(0, 15)
match = re.match("a[012345]{14}b", contents)
assert match is not None
def test_plus():
for _ in range(0, 128):
generator = XegerGen(1024, filler="a(bc)+d", max_random=10)
contents = generator.read(0, 255)
match = re.match("a(bc)+d", contents)
assert match is not None
def test_choice(self):
generator = XegerGen(1024, filler="a[012345]{14}b", max_random=10)
contents = generator.read(0, 256)
match = re.match("a[012345]{14}b", contents)
assert match is not None
def test_numbered_repeat(self):
generator = XegerGen(1024, filler="a(bc){5}d", max_random=10)
contents = generator.read(0, 15)
assert contents == "abcbcbcbcbcdabcb"
def test_star(self):
generator = XegerGen(1024, filler="a(bc)*d", max_random=10)
contents = generator.read(0, 255)
match = re.match("a(bc)*d", contents)
assert match is not None