import unittest

from test import test_support

rfc822 = test_support.import_module("rfc822", deprecated=True)

try:

    from cStringIO import StringIO

except ImportError:

    from StringIO import StringIO

class MessageTestCase(unittest.TestCase):

    def create_message(self, msg):

        return rfc822.Message(StringIO(msg))

    def test_get(self):

        msg = self.create_message(

            'To: "last, first" <userid@foo.net>\n\ntest\n')

        self.assert_(msg.get("to") == '"last, first" <userid@foo.net>')

        self.assert_(msg.get("TO") == '"last, first" <userid@foo.net>')

        self.assert_(msg.get("No-Such-Header") is None)

        self.assert_(msg.get("No-Such-Header", "No-Such-Value")

                     == "No-Such-Value")

    def test_setdefault(self):

        msg = self.create_message(

            'To: "last, first" <userid@foo.net>\n\ntest\n')

        self.assert_(not msg.has_key("New-Header"))

        self.assert_(msg.setdefault("New-Header", "New-Value") == "New-Value")

        self.assert_(msg.setdefault("New-Header", "Different-Value")

                     == "New-Value")

        self.assert_(msg["new-header"] == "New-Value")

        self.assert_(msg.setdefault("Another-Header") == "")

        self.assert_(msg["another-header"] == "")

    def check(self, msg, results):

        """Check addresses and the date."""

        m = self.create_message(msg)

        i = 0

        for n, a in m.getaddrlist('to') + m.getaddrlist('cc'):

            try:

                mn, ma = results[i][0], results[i][1]

            except IndexError:

                print 'extra parsed address:', repr(n), repr(a)

                continue

            i = i + 1

            self.assertEqual(mn, n,

                             "Un-expected name: %s != %s" % (`mn`, `n`))

            self.assertEqual(ma, a,

                             "Un-expected address: %s != %s" % (`ma`, `a`))

            if mn == n and ma == a:

                pass

            else:

                print 'not found:', repr(n), repr(a)

        out = m.getdate('date')

        if out:

            self.assertEqual(out,

                             (1999, 1, 13, 23, 57, 35, 0, 1, 0),

                             "date conversion failed")

    # Note: all test cases must have the same date (in various formats),

    # or no date!

    def test_basic(self):

        self.check(

            'Date:    Wed, 13 Jan 1999 23:57:35 -0500\n'

            'From:    Guido van Rossum <guido@CNRI.Reston.VA.US>\n'

            'To:      "Guido van\n'

            '\t : Rossum" <guido@python.org>\n'

            'Subject: test2\n'

            '\n'

            'test2\n',

            [('Guido van\n\t : Rossum', 'guido@python.org')])

        self.check(

            'From: Barry <bwarsaw@python.org\n'

            'To: guido@python.org (Guido: the Barbarian)\n'

            'Subject: nonsense\n'

            'Date: Wednesday, January 13 1999 23:57:35 -0500\n'

            '\n'

            'test',

            [('Guido: the Barbarian', 'guido@python.org')])

        self.check(

            'From: Barry <bwarsaw@python.org\n'

            'To: guido@python.org (Guido: the Barbarian)\n'

            'Cc: "Guido: the Madman" <guido@python.org>\n'

            'Date:  13-Jan-1999 23:57:35 EST\n'

            '\n'

            'test',

            [('Guido: the Barbarian', 'guido@python.org'),

             ('Guido: the Madman', 'guido@python.org')

             ])

        self.check(

            'To: "The monster with\n'

            '     the very long name: Guido" <guido@python.org>\n'

            'Date:    Wed, 13 Jan 1999 23:57:35 -0500\n'

            '\n'

            'test',

            [('The monster with\n     the very long name: Guido',

              'guido@python.org')])

        self.check(

            'To: "Amit J. Patel" <amitp@Theory.Stanford.EDU>\n'

            'CC: Mike Fletcher <mfletch@vrtelecom.com>,\n'

            '        "\'string-sig@python.org\'" <string-sig@python.org>\n'

            'Cc: fooz@bat.com, bart@toof.com\n'

            'Cc: goit@lip.com\n'

            'Date:    Wed, 13 Jan 1999 23:57:35 -0500\n'

            '\n'

            'test',

            [('Amit J. Patel', 'amitp@Theory.Stanford.EDU'),

             ('Mike Fletcher', 'mfletch@vrtelecom.com'),

             ("'string-sig@python.org'", 'string-sig@python.org'),

             ('', 'fooz@bat.com'),

             ('', 'bart@toof.com'),

             ('', 'goit@lip.com'),

             ])

        self.check(

            'To: Some One <someone@dom.ain>\n'

            'From: Anudder Persin <subuddy.else@dom.ain>\n'

            'Date:\n'

            '\n'

            'test',

            [('Some One', 'someone@dom.ain')])

        self.check(

            'To: person@dom.ain (User J. Person)\n\n',

            [('User J. Person', 'person@dom.ain')])

    def test_doublecomment(self):

        # The RFC allows comments within comments in an email addr

        self.check(

            'To: person@dom.ain ((User J. Person)), John Doe <foo@bar.com>\n\n',

            [('User J. Person', 'person@dom.ain'), ('John Doe', 'foo@bar.com')])

    def test_twisted(self):

        # This one is just twisted.  I don't know what the proper

        # result should be, but it shouldn't be to infloop, which is

        # what used to happen!

        self.check(

            'To: <[smtp:dd47@mail.xxx.edu]_at_hmhq@hdq-mdm1-imgout.companay.com>\n'

            'Date:    Wed, 13 Jan 1999 23:57:35 -0500\n'

            '\n'

            'test',

            [('', ''),

             ('', 'dd47@mail.xxx.edu'),

             ('', '_at_hmhq@hdq-mdm1-imgout.companay.com'),

             ])

    def test_commas_in_full_name(self):

        # This exercises the old commas-in-a-full-name bug, which

        # should be doing the right thing in recent versions of the

        # module.

        self.check(

            'To: "last, first" <userid@foo.net>\n'

            '\n'

            'test',

            [('last, first', 'userid@foo.net')])

    def test_quoted_name(self):

        self.check(

            'To: (Comment stuff) "Quoted name"@somewhere.com\n'

            '\n'

            'test',

            [('Comment stuff', '"Quoted name"@somewhere.com')])

    def test_bogus_to_header(self):

        self.check(

            'To: :\n'

            'Cc: goit@lip.com\n'

            'Date:    Wed, 13 Jan 1999 23:57:35 -0500\n'

            '\n'

            'test',

            [('', 'goit@lip.com')])

    def test_addr_ipquad(self):

        self.check(

            'To: guido@[132.151.1.21]\n'

            '\n'

            'foo',

            [('', 'guido@[132.151.1.21]')])

    def test_iter(self):

        m = rfc822.Message(StringIO(

            'Date:    Wed, 13 Jan 1999 23:57:35 -0500\n'

            'From:    Guido van Rossum <guido@CNRI.Reston.VA.US>\n'

            'To:      "Guido van\n'

            '\t : Rossum" <guido@python.org>\n'

            'Subject: test2\n'

            '\n'

            'test2\n' ))

        self.assertEqual(sorted(m), ['date', 'from', 'subject', 'to'])

    def test_rfc2822_phrases(self):

        # RFC 2822 (the update to RFC 822) specifies that dots in phrases are

        # obsolete syntax, which conforming programs MUST recognize but NEVER

        # generate (see $4.1 Miscellaneous obsolete tokens).  This is a

        # departure from RFC 822 which did not allow dots in non-quoted

        # phrases.

        self.check('To: User J. Person <person@dom.ain>\n\n',

                   [('User J. Person', 'person@dom.ain')])

    # This takes too long to add to the test suite

##    def test_an_excrutiatingly_long_address_field(self):

##        OBSCENELY_LONG_HEADER_MULTIPLIER = 10000

##        oneaddr = ('Person' * 10) + '@' + ('.'.join(['dom']*10)) + '.com'

##        addr = ', '.join([oneaddr] * OBSCENELY_LONG_HEADER_MULTIPLIER)

##        lst = rfc822.AddrlistClass(addr).getaddrlist()

##        self.assertEqual(len(lst), OBSCENELY_LONG_HEADER_MULTIPLIER)

    def test_2getaddrlist(self):

        eq = self.assertEqual

        msg = self.create_message("""\

To: aperson@dom.ain

Cc: bperson@dom.ain

Cc: cperson@dom.ain

Cc: dperson@dom.ain

A test message.

""")

        ccs = [('', a) for a in

               ['bperson@dom.ain', 'cperson@dom.ain', 'dperson@dom.ain']]

        addrs = msg.getaddrlist('cc')

        addrs.sort()

        eq(addrs, ccs)

        # Try again, this one used to fail

        addrs = msg.getaddrlist('cc')

        addrs.sort()

        eq(addrs, ccs)

    def test_parseaddr(self):

        eq = self.assertEqual

        eq(rfc822.parseaddr('<>'), ('', ''))

        eq(rfc822.parseaddr('aperson@dom.ain'), ('', 'aperson@dom.ain'))

        eq(rfc822.parseaddr('bperson@dom.ain (Bea A. Person)'),

           ('Bea A. Person', 'bperson@dom.ain'))

        eq(rfc822.parseaddr('Cynthia Person <cperson@dom.ain>'),

           ('Cynthia Person', 'cperson@dom.ain'))

    def test_quote_unquote(self):

        eq = self.assertEqual

        eq(rfc822.quote('foo\\wacky"name'), 'foo\\\\wacky\\"name')

        eq(rfc822.unquote('"foo\\\\wacky\\"name"'), 'foo\\wacky"name')

def test_main():

    test_support.run_unittest(MessageTestCase)

if __name__ == "__main__":

    test_main()