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# -*- coding: utf-8 -*-
from UnitTest import UnitTest
import write
class StringTest(UnitTest):
def testToString(self):
# TODO: this fails on IE, because we can not override toString
# in the normal way
# we need to do something like this
# http://webreflection.blogspot.com/2007/07/quick-fix-internet-explorer-and.html
o = ClassWithOwnToString()
self.assertEquals(o.toString(), 'ClassWithOwnToString as a String')
o = ClassWithOwnToString2()
try:
self.assertEquals(o.toString(), 'ClassWithOwnToString2 as a String')
except AttributeError, e:
#AttributeError: 'ClassWithOwnToString2' object has no attribute 'toString
# mapping of toString to __str__ is not available in normal python
pass
def testReplace(self):
text="this is a rather long string"
expected_result1="th--- --- a rather long string"
expected_result2="thi-- is a rather long string"
expected_result3="this_is_a_rather_long_string"
result=text.replace("is", "---")
self.assertEquals(result, expected_result1)
result=text.replace("s", "--", 1)
self.assertEquals(result, expected_result2)
result=text.replace(" ", "_")
self.assertEquals(result, expected_result3)
def testRFind(self):
text="this is a yes it is a rather long string"
result=text.rfind("not found")
self.assertEquals(result, -1)
result=text.rfind("is")
self.assertEquals(result, 17)
result=text.rfind("is", 18)
self.assertEquals(result, -1)
result=text.rfind("is", 17)
self.assertEquals(result, 17)
result=text.rfind("is", 16)
self.assertEquals(result, 17)
result=text.rfind("is", 2, 3)
self.assertEquals(result, -1)
def testFind(self):
text="this is a rather long string"
result=text.find("not found")
self.assertEquals(result, -1)
result=text.find("is")
self.assertEquals(result, 2)
result=text.find("is", 3)
self.assertEquals(result, 5)
result=text.find("is", 2, 3)
self.assertEquals(result, -1)
def testJoin(self):
data="this is a rather long string"
data=data.split(" ")
sep1=", "
sep2=""
expected_result1="this, is, a, rather, long, string"
expected_result2="thisisaratherlongstring"
result=sep1.join(data)
self.assertEquals(result, expected_result1)
result=sep2.join(data)
self.assertEquals(result, expected_result2)
def testSplit(self):
text=" this is a rather long string "
space=" "
empty=""
expected_result1=" this is a rather long string "
expected_result2="thisis a rather long string "
expected_result3="this is a rather long string"
t = text.split(space)
self.assertEquals(t[0], '')
self.assertEquals(t[1], 'this')
self.assertEquals(t[2], 'is')
self.assertEquals(t[3], '')
self.assertEquals(t[4], 'a')
result=space.join(t)
self.assertEquals(result, expected_result1)
result=empty.join(text.split(space, 2))
self.assertEquals(result, expected_result2)
result=space.join(text.split())
self.assertEquals(result, expected_result3)
result=empty.split()
self.assertEquals(len(result), 0)
def testStrip(self):
text=" this is a rather long string "
expected_result1="this is a rather long string"
expected_result2="a rather long string"
result=text.strip()
self.assertEquals(result, expected_result1)
result=text.strip(" sthi")
self.assertEquals(result, expected_result2)
result=text.strip("")
self.assertEquals(result, text)
def testUnicode(self):
text=u"""Liebe 'hallo' "grüsse" Grüsse"""
self.assertEqual(text, text[:])
def testIsDigit(self):
self.assertEqual("123".isdigit(), True)
self.assertEqual("-123".isdigit(), False)
self.assertEqual("123.45".isdigit(), False)
self.assertEqual("1a".isdigit(), False)
self.assertEqual(" ".isdigit(), False)
def testStringIterate(self):
text=" this is a rather long string "
t = ''
for x in text:
t += x
self.assertEqual(text, t)
def testStrTuple(self):
self.assertEqual(str((5,6)), "(5, 6)")
def testStrList(self):
self.assertEqual(str([5,6]), "[5, 6]")
def testStartsWith(self):
s = 'abcd'
self.assertEqual(s.startswith('ab'), True)
self.assertEqual(s.startswith('ab', 0), True)
self.assertEqual(s.startswith('ab', 1), False)
self.assertEqual(s.startswith('bc', 1), True)
self.assertEqual(s.startswith('ab', 0, 8), True)
self.assertEqual(s.startswith('ab', 0, 3), True)
self.assertEqual(s.startswith('ab', 0, 2), True)
self.assertEqual(s.startswith('ab', 0, 1), False)
def testEndsWith(self):
s = 'abcd'
self.assertEqual(s.endswith('cd'), True)
self.assertEqual(s.endswith('cd', 0), True)
self.assertEqual(s.endswith('cd', 2), True)
self.assertEqual(s.endswith('cd', 3), False)
self.assertEqual(s.endswith('cd', 0, 3), False)
self.assertEqual(s.endswith('bc', 0, 3), True)
def testLjust(self):
self.assertEqual('a'.ljust(0), 'a')
self.assertEqual('a'.ljust(4), 'a ')
self.assertEqual('a'.ljust(4, 'b'), 'abbb')
def testRjust(self):
self.assertEqual('a'.rjust(4, 'b'), 'bbba')
def testCenter(self):
self.assertEqual('a'.center(4, '1'), '1a11')
def testSprintfList(self):
self.assertEqual("%s" % 'foo', "foo")
self.assertEqual("%% %s" % '', "% ")
self.assertEqual("[%% %s]" % '', "[% ]")
self.assertEqual("[%c]" % 0x20, '[ ]')
self.assertEqual("[%r]" % 11, "[11]")
self.assertEqual("[%s]" % 11, "[11]")
self.assertEqual("[%d]" % 11, "[11]")
self.assertEqual("[%i]" % 11, "[11]")
self.assertEqual("[%u]" % 11, "[11]")
self.assertEqual("[%e]" % 11, "[1.100000e+01]")
self.assertEqual("[%E]" % 11, "[1.100000E+01]")
self.assertEqual("[%f]" % 11, "[11.000000]")
self.assertEqual("[%.2f]" % 11, "[11.00]")
self.assertEqual("[%F]" % 11, "[11.000000]")
self.assertEqual("[%g]" % 11, "[11]")
self.assertEqual("[%G]" % 11, "[11]")
self.assertEqual("[%o]" % 11, "[13]")
self.assertEqual("[%x]" % 11, "[b]")
self.assertEqual("[%X]" % 11, "[B]")
self.assertEqual("%*g,%10f" % (6, 1.234, 1.234), " 1.234, 1.234000")
self.assertEqual("%0*g,%010f" % (6, 1.234, 1.234), "01.234,001.234000")
self.assertEqual("[%04x]" % 1234, "[04d2]")
# FIXME: Next line fails. Slightly different output.
#self.assertEqual("[%g,%g,%g,%g,%g]" % (1.234567, 123456.7, 1234567, 0.0001234, 0.00001234), "[1.23457,123457,1.23457e+06,0.0001234,1.234e-05]")
self.assertEqual("[%3% %s]" % 'a', "[ % a]")
try:
s = "%*g,%10f" % (1, 2)
self.fail('Failed to raise error for "%*g,%10f" % (1, 2)')
except TypeError, e:
self.assertEqual(str(e), "not enough arguments for format string")
try:
s = "%*g,%10f" % (1, 2, 3, 4)
self.fail('Failed to raise error for "%*g,%10f" % (1, 2, 3, 4)')
except TypeError, e:
self.assertEqual(str(e), "not all arguments converted during string formatting")
# Check for handling of newlines in format string
self.assertEqual("\n%s\n%s\n" % ('s1', 's2'), '\ns1\ns2\n')
def testSprintfDict(self):
testdict = {'s1': 'string',
's2': 'another string',
'v0': 0,
'v1': 1,
'v2': 1.234,
}
self.assertEqual("[%(v1)12s|%(v1)-12s]" % testdict, '[ 1|1 ]')
self.assertEqual("[%(v1)012o|%(v1)-012o]" % testdict, '[000000000001|1 ]')
self.assertEqual("[%(v1)#012o|%(v1)#-012o]" % testdict, '[000000000001|01 ]')
self.assertEqual("[%(v0)#012o|%(v0)#-012o]" % testdict, '[000000000000|0 ]')
self.assertEqual("[%(v1)#012x|%(v1)#-012x]" % testdict, '[0x0000000001|0x1 ]')
self.assertEqual("%(s1)3% %(s1)s" % testdict, ' % string')
#FIXME: next line failes, since it's a mixture of Dict/Tuple format
#self.assertEqual("%3% %(s1)s" % testdict, ' % string')
self.assertEqual("%(v1)#g" % testdict, '1.00000')
try:
s = "%(not-there)s" % testdict
self.fail('Failed to raise error for "%(not-there)s" % testdict')
except KeyError, e:
self.assertEqual(str(e), "'not-there'")
# Check for handling of newlines in format string
self.assertEqual("\n%(s1)s\n%(s1)s\n" % testdict, '\nstring\nstring\n')
def testSprintfVar(self):
f = "%s"
self.assertEqual(f % 'test', 'test')
def testIndex(self):
s = "12345"
self.assertEqual(s[0], '1')
self.assertEqual(s[-1], '5')
self.assertEqual(s[1:-1], '234')
try:
a = s[200]
self.fail("Failed to raise an IndexError")
except IndexError, e:
self.assertEqual(e[0], 'string index out of range')
try:
a = s[-200]
self.fail("Failed to raise an IndexError")
except IndexError, e:
self.assertEqual(e[0], 'string index out of range')
def testOperator(self):
self.assertEqual("1".__add__("2"), "12")
self.assertEqual("1".__mul__(2), "11")
self.assertEqual("1".__rmul__(3), "111")
self.assertEqual("2" * 3, "222")
self.assertEqual(3 * "3", "333")
def testIsAlpha(self):
self.assertTrue("abc".isalpha())
self.assertFalse("0bc".isalpha())
def testIsUpper(self):
self.assertTrue("ABC".isupper())
self.assertFalse("AbC".isupper())
self.assertTrue("A0C".isupper())
self.assertFalse("A0c".isupper())
class ClassWithOwnToString(object):
def toString(self):
return 'ClassWithOwnToString as a String'
class ClassWithOwnToString2(object):
def __str__(self):
return 'ClassWithOwnToString2 as a String'
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