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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from code import Code
import unittest
class CodeTest(unittest.TestCase):
def testAppend(self):
c = Code()
c.Append('line')
self.assertEquals('line', c.Render())
def testBlock(self):
c = Code()
(c.Append('line')
.Sblock('sblock')
.Append('inner')
.Append('moreinner')
.Sblock('moresblock')
.Append('inner')
.Eblock('out')
.Append('inner')
.Eblock('out')
)
self.assertEquals(
'line\n'
'sblock\n'
' inner\n'
' moreinner\n'
' moresblock\n'
' inner\n'
' out\n'
' inner\n'
'out',
c.Render())
def testConcat(self):
b = Code()
(b.Sblock('2')
.Append('2')
.Eblock('2')
)
c = Code()
(c.Sblock('1')
.Concat(b)
.Append('1')
.Eblock('1')
)
self.assertEquals(
'1\n'
' 2\n'
' 2\n'
' 2\n'
' 1\n'
'1',
c.Render())
d = Code()
a = Code()
a.Concat(d)
self.assertEquals('', a.Render())
a.Concat(c)
self.assertEquals(
'1\n'
' 2\n'
' 2\n'
' 2\n'
' 1\n'
'1',
a.Render())
def testConcatErrors(self):
c = Code()
d = Code()
d.Append('%s')
self.assertRaises(TypeError, c.Concat, d)
d = Code()
d.Append('%(classname)s')
self.assertRaises(TypeError, c.Concat, d)
d = 'line of code'
self.assertRaises(TypeError, c.Concat, d)
def testSubstitute(self):
c = Code()
c.Append('%(var1)s %(var2)s %(var1)s')
c.Substitute({'var1': 'one', 'var2': 'two'})
self.assertEquals('one two one', c.Render())
c.Append('%(var1)s %(var2)s %(var3)s')
c.Append('%(var2)s %(var1)s %(var3)s')
c.Substitute({'var1': 'one', 'var2': 'two', 'var3': 'three'})
self.assertEquals(
'one two one\n'
'one two three\n'
'two one three',
c.Render())
def testSubstituteErrors(self):
# No unnamed placeholders allowed when substitute is run
c = Code()
c.Append('%s %s')
self.assertRaises(TypeError, c.Substitute, ('var1', 'one'))
c = Code()
c.Append('%s %(var1)s')
self.assertRaises(TypeError, c.Substitute, {'var1': 'one'})
c = Code()
c.Append('%s %(var1)s')
self.assertRaises(TypeError, c.Substitute, {'var1': 'one'})
c = Code()
c.Append('%(var1)s')
self.assertRaises(KeyError, c.Substitute, {'clearlynotvar1': 'one'})
def testIsEmpty(self):
c = Code()
self.assertTrue(c.IsEmpty())
c.Append('asdf')
self.assertFalse(c.IsEmpty())
def testComment(self):
long_comment = ('This comment is eighty nine characters in longness, '
'that is, to use another word, length')
c = Code()
c.Comment(long_comment)
self.assertEquals(
'// This comment is eighty nine characters '
'in longness, that is, to use another\n'
'// word, length',
c.Render())
c = Code()
c.Sblock('sblock')
c.Comment(long_comment)
c.Eblock('eblock')
c.Comment(long_comment)
self.assertEquals(
'sblock\n'
' // This comment is eighty nine characters '
'in longness, that is, to use\n'
' // another word, length\n'
'eblock\n'
'// This comment is eighty nine characters in '
'longness, that is, to use another\n'
'// word, length',
c.Render())
long_word = 'x' * 100
c = Code()
c.Comment(long_word)
self.assertEquals(
'// ' + 'x' * 77 + '\n'
'// ' + 'x' * 23,
c.Render())
def testCommentWithSpecialCharacters(self):
c = Code()
c.Comment('20% of 80%s')
c.Substitute({})
self.assertEquals('// 20% of 80%s', c.Render())
d = Code()
d.Append('90')
d.Concat(c)
self.assertEquals('90\n'
'// 20% of 80%s',
d.Render())
if __name__ == '__main__':
unittest.main()
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