def test_nothing():
print "Testing Nothing"
s = "This is a test.\nThis is only a test.\nHad this been an actual...\n"
for ending in ("\n", "\r", "\r\n"):
data = string.replace(s, "\n", ending)
for look in (0, 1, 2, 5):
reader = RecordReader.Nothing(StringIO(data[look:]),
sizehint=1,
lookahead=data[:look])
rec = reader.next()
assert rec is None, "should be empty, not %r" % rec
rec = reader.next()
assert rec is None, "2nd time should also be empty, not %r" % rec
infile, remainder = reader.remainder()
remainder = remainder + infile.read()
assert remainder == data, "Why %r when input was %r?" % \
(remainder, data)
def test_nothing_lines():
lookahead = "1\n2\n3\n4\n5\n6\n7\n8\n"
reader = RecordReader.Nothing(StringIO(""), lookahead = lookahead)
assert test_count(reader, check_remainder = 0) == 0
file, result = reader.remainder()
assert result == lookahead, (result, lookahead)
def test_nothing():
s = "1\n2\n3\n4\n5\n6\n7\n8\n"
infile = StringIO(s)
reader = RecordReader.Nothing(infile)
assert test_count(reader, check_remainder = 0) == 0
assert infile.readline() == "1\n"