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# Copyright (C) 2005, 2006 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests from HTTP response parsing."""
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from cStringIO import StringIO
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from bzrlib.tests import TestCase
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from bzrlib.transport.http.response import RangeFile
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from bzrlib.errors import InvalidRange
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class TestRangeFile(TestCase):
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content = "abcdefghijklmnopqrstuvwxyz"
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self.fp = RangeFile('foo', StringIO(content))
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self.fp._add_range(0, 9, 0)
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self.fp._add_range(20, 29, 10)
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self.fp._add_range(30, 39, 15)
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def test_valid_accesses(self):
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"""Test so that valid accesses work to the file."""
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self.assertEquals(self.fp.read(3), 'abc')
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self.assertEquals(self.fp.read(3), 'def')
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self.assertEquals(self.fp.tell(), 6)
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self.assertEquals(self.fp.read(3), 'klm')
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self.assertEquals(self.fp.read(2), 'no')
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self.assertEquals(self.fp.tell(), 25)
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# should wrap over to 30-39 entity
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self.assertEquals(self.fp.read(3), 'pqr')
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self.assertEquals(self.fp.read(3), 'def')
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self.assertEquals(self.fp.tell(), 6)
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def test_invalid_accesses(self):
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"""Test so that invalid accesses trigger errors."""
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self.assertRaises(InvalidRange, self.fp.read, 2)
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self.assertRaises(InvalidRange, self.fp.read, 2)
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self.assertRaises(InvalidRange, self.fp.read, 2)