Issue #27185: Rename test_string_merged.py back to test_string.py.

1 files changed, 447 insertions, 0 deletions

diff --git a/Lib/test/test_string.py b/Lib/test/test_string.py
new file mode 100644
index 0000000..94d2b67
--- /dev/null
+++ b/Lib/test/test_string.py
@@ -0,0 +1,447 @@
+import unittest
+import string
+from string import Template
+from test import test_support, string_tests
+from UserList import UserList
+
+class StringTest(
+    string_tests.CommonTest,
+    string_tests.MixinStrStringUserStringTest
+    ):
+
+    type2test = str
+
+    def checkequal(self, result, object, methodname, *args):
+        realresult = getattr(string, methodname)(object, *args)
+        self.assertEqual(
+            result,
+            realresult
+        )
+
+    def checkraises(self, exc, obj, methodname, *args):
+        with self.assertRaises(exc) as cm:
+            getattr(string, methodname)(obj, *args)
+        self.assertNotEqual(cm.exception.args[0], '')
+
+    def checkcall(self, object, methodname, *args):
+        getattr(string, methodname)(object, *args)
+
+    def test_join(self):
+        # These are the same checks as in string_test.ObjectTest.test_join
+        # but the argument order ist different
+        self.checkequal('a b c d', ['a', 'b', 'c', 'd'], 'join', ' ')
+        self.checkequal('abcd', ('a', 'b', 'c', 'd'), 'join', '')
+        self.checkequal('w x y z', string_tests.Sequence(), 'join', ' ')
+        self.checkequal('abc', ('abc',), 'join', 'a')
+        self.checkequal('z', UserList(['z']), 'join', 'a')
+        if test_support.have_unicode:
+            self.checkequal(unicode('a.b.c'), ['a', 'b', 'c'], 'join', unicode('.'))
+            self.checkequal(unicode('a.b.c'), [unicode('a'), 'b', 'c'], 'join', '.')
+            self.checkequal(unicode('a.b.c'), ['a', unicode('b'), 'c'], 'join', '.')
+            self.checkequal(unicode('a.b.c'), ['a', 'b', unicode('c')], 'join', '.')
+            self.checkraises(TypeError, ['a', unicode('b'), 3], 'join', '.')
+        for i in [5, 25, 125]:
+            self.checkequal(
+                ((('a' * i) + '-') * i)[:-1],
+                ['a' * i] * i, 'join', '-')
+            self.checkequal(
+                ((('a' * i) + '-') * i)[:-1],
+                ('a' * i,) * i, 'join', '-')
+
+        self.checkraises(TypeError, string_tests.BadSeq1(), 'join', ' ')
+        self.checkequal('a b c', string_tests.BadSeq2(), 'join', ' ')
+        try:
+            def f():
+                yield 4 + ""
+            self.fixtype(' ').join(f())
+        except TypeError, e:
+            if '+' not in str(e):
+                self.fail('join() ate exception message')
+        else:
+            self.fail('exception not raised')
+
+
+class ModuleTest(unittest.TestCase):
+
+    def test_attrs(self):
+        string.whitespace
+        string.lowercase
+        string.uppercase
+        string.letters
+        string.digits
+        string.hexdigits
+        string.octdigits
+        string.punctuation
+        string.printable
+
+    def test_atoi(self):
+        self.assertEqual(string.atoi(" 1 "), 1)
+        self.assertRaises(ValueError, string.atoi, " 1x")
+        self.assertRaises(ValueError, string.atoi, " x1 ")
+
+    def test_atol(self):
+        self.assertEqual(string.atol("  1  "), 1L)
+        self.assertRaises(ValueError, string.atol, "  1x ")
+        self.assertRaises(ValueError, string.atol, "  x1 ")
+
+    def test_atof(self):
+        self.assertAlmostEqual(string.atof("  1  "), 1.0)
+        self.assertRaises(ValueError, string.atof, "  1x ")
+        self.assertRaises(ValueError, string.atof, "  x1 ")
+
+    def test_maketrans(self):
+        transtable = '\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377'
+
+        self.assertEqual(string.maketrans('abc', 'xyz'), transtable)
+        self.assertRaises(ValueError, string.maketrans, 'abc', 'xyzq')
+
+    def test_capwords(self):
+        self.assertEqual(string.capwords('abc def ghi'), 'Abc Def Ghi')
+        self.assertEqual(string.capwords('abc\tdef\nghi'), 'Abc Def Ghi')
+        self.assertEqual(string.capwords('abc\t   def  \nghi'), 'Abc Def Ghi')
+        self.assertEqual(string.capwords('ABC DEF GHI'), 'Abc Def Ghi')
+        self.assertEqual(string.capwords('ABC-DEF-GHI', '-'), 'Abc-Def-Ghi')
+        self.assertEqual(string.capwords('ABC-def DEF-ghi GHI'), 'Abc-def Def-ghi Ghi')
+        self.assertEqual(string.capwords('   aBc  DeF   '), 'Abc Def')
+        self.assertEqual(string.capwords('\taBc\tDeF\t'), 'Abc Def')
+        self.assertEqual(string.capwords('\taBc\tDeF\t', '\t'), '\tAbc\tDef\t')
+
+    def test_formatter(self):
+        fmt = string.Formatter()
+        self.assertEqual(fmt.format("foo"), "foo")
+
+        self.assertEqual(fmt.format("foo{0}", "bar"), "foobar")
+        self.assertEqual(fmt.format("foo{1}{0}-{1}", "bar", 6), "foo6bar-6")
+        self.assertEqual(fmt.format("-{arg!r}-", arg='test'), "-'test'-")
+
+        # override get_value ############################################
+        class NamespaceFormatter(string.Formatter):
+            def __init__(self, namespace={}):
+                string.Formatter.__init__(self)
+                self.namespace = namespace
+
+            def get_value(self, key, args, kwds):
+                if isinstance(key, str):
+                    try:
+                        # Check explicitly passed arguments first
+                        return kwds[key]
+                    except KeyError:
+                        return self.namespace[key]
+                else:
+                    string.Formatter.get_value(key, args, kwds)
+
+        fmt = NamespaceFormatter({'greeting':'hello'})
+        self.assertEqual(fmt.format("{greeting}, world!"), 'hello, world!')
+
+
+        # override format_field #########################################
+        class CallFormatter(string.Formatter):
+            def format_field(self, value, format_spec):
+                return format(value(), format_spec)
+
+        fmt = CallFormatter()
+        self.assertEqual(fmt.format('*{0}*', lambda : 'result'), '*result*')
+
+
+        # override convert_field ########################################
+        class XFormatter(string.Formatter):
+            def convert_field(self, value, conversion):
+                if conversion == 'x':
+                    return None
+                return super(XFormatter, self).convert_field(value, conversion)
+
+        fmt = XFormatter()
+        self.assertEqual(fmt.format("{0!r}:{0!x}", 'foo', 'foo'), "'foo':None")
+
+
+        # override parse ################################################
+        class BarFormatter(string.Formatter):
+            # returns an iterable that contains tuples of the form:
+            # (literal_text, field_name, format_spec, conversion)
+            def parse(self, format_string):
+                for field in format_string.split('|'):
+                    if field[0] == '+':
+                        # it's markup
+                        field_name, _, format_spec = field[1:].partition(':')
+                        yield '', field_name, format_spec, None
+                    else:
+                        yield field, None, None, None
+
+        fmt = BarFormatter()
+        self.assertEqual(fmt.format('*|+0:^10s|*', 'foo'), '*   foo    *')
+
+        # test all parameters used
+        class CheckAllUsedFormatter(string.Formatter):
+            def check_unused_args(self, used_args, args, kwargs):
+                # Track which arguments actually got used
+                unused_args = set(kwargs.keys())
+                unused_args.update(range(0, len(args)))
+
+                for arg in used_args:
+                    unused_args.remove(arg)
+
+                if unused_args:
+                    raise ValueError("unused arguments")
+
+        fmt = CheckAllUsedFormatter()
+        self.assertEqual(fmt.format("{0}", 10), "10")
+        self.assertEqual(fmt.format("{0}{i}", 10, i=100), "10100")
+        self.assertEqual(fmt.format("{0}{i}{1}", 10, 20, i=100), "1010020")
+        self.assertRaises(ValueError, fmt.format, "{0}{i}{1}", 10, 20, i=100, j=0)
+        self.assertRaises(ValueError, fmt.format, "{0}", 10, 20)
+        self.assertRaises(ValueError, fmt.format, "{0}", 10, 20, i=100)
+        self.assertRaises(ValueError, fmt.format, "{i}", 10, 20, i=100)
+
+        # Alternate formatting is not supported
+        self.assertRaises(ValueError, format, '', '#')
+        self.assertRaises(ValueError, format, '', '#20')
+
+    def test_format_keyword_arguments(self):
+        fmt = string.Formatter()
+        self.assertEqual(fmt.format("-{arg}-", arg='test'), '-test-')
+        self.assertRaises(KeyError, fmt.format, "-{arg}-")
+        self.assertEqual(fmt.format("-{self}-", self='test'), '-test-')
+        self.assertRaises(KeyError, fmt.format, "-{self}-")
+        self.assertEqual(fmt.format("-{format_string}-", format_string='test'),
+                         '-test-')
+        self.assertRaises(KeyError, fmt.format, "-{format_string}-")
+        self.assertEqual(fmt.format(arg='test', format_string="-{arg}-"),
+                         '-test-')
+
+class BytesAliasTest(unittest.TestCase):
+
+    def test_builtin(self):
+        self.assertTrue(str is bytes)
+
+    def test_syntax(self):
+        self.assertEqual(b"spam", "spam")
+        self.assertEqual(br"egg\foo", "egg\\foo")
+        self.assertTrue(type(b""), str)
+        self.assertTrue(type(br""), str)
+
+
+# Template tests (formerly housed in test_pep292.py)
+
+class Bag:
+    pass
+
+class Mapping:
+    def __getitem__(self, name):
+        obj = self
+        for part in name.split('.'):
+            try:
+                obj = getattr(obj, part)
+            except AttributeError:
+                raise KeyError(name)
+        return obj
+
+
+class TestTemplate(unittest.TestCase):
+    def test_regular_templates(self):
+        s = Template('$who likes to eat a bag of $what worth $$100')
+        self.assertEqual(s.substitute(dict(who='tim', what='ham')),
+                         'tim likes to eat a bag of ham worth $100')
+        self.assertRaises(KeyError, s.substitute, dict(who='tim'))
+        self.assertRaises(TypeError, Template.substitute)
+
+    def test_regular_templates_with_braces(self):
+        s = Template('$who likes ${what} for ${meal}')
+        d = dict(who='tim', what='ham', meal='dinner')
+        self.assertEqual(s.substitute(d), 'tim likes ham for dinner')
+        self.assertRaises(KeyError, s.substitute,
+                          dict(who='tim', what='ham'))
+
+    def test_escapes(self):
+        eq = self.assertEqual
+        s = Template('$who likes to eat a bag of $$what worth $$100')
+        eq(s.substitute(dict(who='tim', what='ham')),
+           'tim likes to eat a bag of $what worth $100')
+        s = Template('$who likes $$')
+        eq(s.substitute(dict(who='tim', what='ham')), 'tim likes $')
+
+    def test_percents(self):
+        eq = self.assertEqual
+        s = Template('%(foo)s $foo ${foo}')
+        d = dict(foo='baz')
+        eq(s.substitute(d), '%(foo)s baz baz')
+        eq(s.safe_substitute(d), '%(foo)s baz baz')
+
+    def test_stringification(self):
+        eq = self.assertEqual
+        s = Template('tim has eaten $count bags of ham today')
+        d = dict(count=7)
+        eq(s.substitute(d), 'tim has eaten 7 bags of ham today')
+        eq(s.safe_substitute(d), 'tim has eaten 7 bags of ham today')
+        s = Template('tim has eaten ${count} bags of ham today')
+        eq(s.substitute(d), 'tim has eaten 7 bags of ham today')
+
+    def test_tupleargs(self):
+        eq = self.assertEqual
+        s = Template('$who ate ${meal}')
+        d = dict(who=('tim', 'fred'), meal=('ham', 'kung pao'))
+        eq(s.substitute(d), "('tim', 'fred') ate ('ham', 'kung pao')")
+        eq(s.safe_substitute(d), "('tim', 'fred') ate ('ham', 'kung pao')")
+
+    def test_SafeTemplate(self):
+        eq = self.assertEqual
+        s = Template('$who likes ${what} for ${meal}')
+        eq(s.safe_substitute(dict(who='tim')), 'tim likes ${what} for ${meal}')
+        eq(s.safe_substitute(dict(what='ham')), '$who likes ham for ${meal}')
+        eq(s.safe_substitute(dict(what='ham', meal='dinner')),
+           '$who likes ham for dinner')
+        eq(s.safe_substitute(dict(who='tim', what='ham')),
+           'tim likes ham for ${meal}')
+        eq(s.safe_substitute(dict(who='tim', what='ham', meal='dinner')),
+           'tim likes ham for dinner')
+
+    def test_invalid_placeholders(self):
+        raises = self.assertRaises
+        s = Template('$who likes $')
+        raises(ValueError, s.substitute, dict(who='tim'))
+        s = Template('$who likes ${what)')
+        raises(ValueError, s.substitute, dict(who='tim'))
+        s = Template('$who likes $100')
+        raises(ValueError, s.substitute, dict(who='tim'))
+
+    def test_idpattern_override(self):
+        class PathPattern(Template):
+            idpattern = r'[_a-z][._a-z0-9]*'
+        m = Mapping()
+        m.bag = Bag()
+        m.bag.foo = Bag()
+        m.bag.foo.who = 'tim'
+        m.bag.what = 'ham'
+        s = PathPattern('$bag.foo.who likes to eat a bag of $bag.what')
+        self.assertEqual(s.substitute(m), 'tim likes to eat a bag of ham')
+
+    def test_pattern_override(self):
+        class MyPattern(Template):
+            pattern = r"""
+            (?P<escaped>@{2})                   |
+            @(?P<named>[_a-z][._a-z0-9]*)       |
+            @{(?P<braced>[_a-z][._a-z0-9]*)}    |
+            (?P<invalid>@)
+            """
+        m = Mapping()
+        m.bag = Bag()
+        m.bag.foo = Bag()
+        m.bag.foo.who = 'tim'
+        m.bag.what = 'ham'
+        s = MyPattern('@bag.foo.who likes to eat a bag of @bag.what')
+        self.assertEqual(s.substitute(m), 'tim likes to eat a bag of ham')
+
+        class BadPattern(Template):
+            pattern = r"""
+            (?P<badname>.*)                     |
+            (?P<escaped>@{2})                   |
+            @(?P<named>[_a-z][._a-z0-9]*)       |
+            @{(?P<braced>[_a-z][._a-z0-9]*)}    |
+            (?P<invalid>@)                      |
+            """
+        s = BadPattern('@bag.foo.who likes to eat a bag of @bag.what')
+        self.assertRaises(ValueError, s.substitute, {})
+        self.assertRaises(ValueError, s.safe_substitute, {})
+
+    def test_braced_override(self):
+        class MyTemplate(Template):
+            pattern = r"""
+            \$(?:
+              (?P<escaped>$)                     |
+              (?P<named>[_a-z][_a-z0-9]*)        |
+              @@(?P<braced>[_a-z][_a-z0-9]*)@@   |
+              (?P<invalid>)                      |
+           )
+           """
+
+        tmpl = 'PyCon in $@@location@@'
+        t = MyTemplate(tmpl)
+        self.assertRaises(KeyError, t.substitute, {})
+        val = t.substitute({'location': 'Cleveland'})
+        self.assertEqual(val, 'PyCon in Cleveland')
+
+    def test_braced_override_safe(self):
+        class MyTemplate(Template):
+            pattern = r"""
+            \$(?:
+              (?P<escaped>$)                     |
+              (?P<named>[_a-z][_a-z0-9]*)        |
+              @@(?P<braced>[_a-z][_a-z0-9]*)@@   |
+              (?P<invalid>)                      |
+           )
+           """
+
+        tmpl = 'PyCon in $@@location@@'
+        t = MyTemplate(tmpl)
+        self.assertEqual(t.safe_substitute(), tmpl)
+        val = t.safe_substitute({'location': 'Cleveland'})
+        self.assertEqual(val, 'PyCon in Cleveland')
+
+    def test_unicode_values(self):
+        s = Template('$who likes $what')
+        d = dict(who=u't\xffm', what=u'f\xfe\fed')
+        self.assertEqual(s.substitute(d), u't\xffm likes f\xfe\x0ced')
+
+    def test_keyword_arguments(self):
+        eq = self.assertEqual
+        s = Template('$who likes $what')
+        eq(s.substitute(who='tim', what='ham'), 'tim likes ham')
+        eq(s.substitute(dict(who='tim'), what='ham'), 'tim likes ham')
+        eq(s.substitute(dict(who='fred', what='kung pao'),
+                        who='tim', what='ham'),
+           'tim likes ham')
+        s = Template('the mapping is $mapping')
+        eq(s.substitute(dict(foo='none'), mapping='bozo'),
+           'the mapping is bozo')
+        eq(s.substitute(dict(mapping='one'), mapping='two'),
+           'the mapping is two')
+
+        s = Template('the self is $self')
+        eq(s.substitute(self='bozo'), 'the self is bozo')
+
+    def test_keyword_arguments_safe(self):
+        eq = self.assertEqual
+        raises = self.assertRaises
+        s = Template('$who likes $what')
+        eq(s.safe_substitute(who='tim', what='ham'), 'tim likes ham')
+        eq(s.safe_substitute(dict(who='tim'), what='ham'), 'tim likes ham')
+        eq(s.safe_substitute(dict(who='fred', what='kung pao'),
+                        who='tim', what='ham'),
+           'tim likes ham')
+        s = Template('the mapping is $mapping')
+        eq(s.safe_substitute(dict(foo='none'), mapping='bozo'),
+           'the mapping is bozo')
+        eq(s.safe_substitute(dict(mapping='one'), mapping='two'),
+           'the mapping is two')
+        d = dict(mapping='one')
+        raises(TypeError, s.substitute, d, {})
+        raises(TypeError, s.safe_substitute, d, {})
+
+        s = Template('the self is $self')
+        eq(s.safe_substitute(self='bozo'), 'the self is bozo')
+
+    def test_delimiter_override(self):
+        eq = self.assertEqual
+        raises = self.assertRaises
+        class AmpersandTemplate(Template):
+            delimiter = '&'
+        s = AmpersandTemplate('this &gift is for &{who} &&')
+        eq(s.substitute(gift='bud', who='you'), 'this bud is for you &')
+        raises(KeyError, s.substitute)
+        eq(s.safe_substitute(gift='bud', who='you'), 'this bud is for you &')
+        eq(s.safe_substitute(), 'this &gift is for &{who} &')
+        s = AmpersandTemplate('this &gift is for &{who} &')
+        raises(ValueError, s.substitute, dict(gift='bud', who='you'))
+        eq(s.safe_substitute(), 'this &gift is for &{who} &')
+
+        class PieDelims(Template):
+            delimiter = '@'
+        s = PieDelims('@who likes to eat a bag of @{what} worth $100')
+        self.assertEqual(s.substitute(dict(who='tim', what='ham')),
+                         'tim likes to eat a bag of ham worth $100')
+
+
+def test_main():
+    test_support.run_unittest(StringTest, ModuleTest, BytesAliasTest, TestTemplate)
+
+if __name__ == '__main__':
+    test_main()