efortuna@google.com
01fb2bbc86
BUG= Review URL: https://codereview.chromium.org//11691009 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@16557 260f80e4-7a28-3924-810f-c04153c831b5
101 lines
2.7 KiB
Python
Executable File
101 lines
2.7 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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# for details. All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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"""Tests for emitter module."""
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import logging.config
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import unittest
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import emitter
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class EmitterTestCase(unittest.TestCase):
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def setUp(self):
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pass
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def tearDown(self):
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pass
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def check(self, e, expected):
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self.assertEquals(''.join(e.Fragments()), expected)
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def testExample(self):
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e = emitter.Emitter()
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body = e.Emit('$TYPE $NAME() {\n'
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' $!BODY\n'
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'}\n',
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TYPE='int', NAME='foo')
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body.Emit('return $VALUE;', VALUE='100')
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self.check(e,
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'int foo() {\n'
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' return 100;\n'
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'}\n')
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def testTemplateErrorDuplicate(self):
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try:
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e = emitter.Emitter()
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b = e.Emit('$(A)$(!B)$(A)$(!B)') # $(!B) is duplicated
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except RuntimeError, ex:
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return
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raise AssertionError('Expected error')
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def testTemplate1(self):
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e = emitter.Emitter()
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e.Emit('-$A+$B-$A+$B-', A='1', B='2')
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self.check(e, '-1+2-1+2-')
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def testTemplate2(self):
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e = emitter.Emitter()
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r = e.Emit('1$(A)2$(B)3$(A)4$(B)5', A='x', B='y')
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self.assertEquals(None, r)
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self.check(e, '1x2y3x4y5')
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def testTemplate3(self):
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e = emitter.Emitter()
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b = e.Emit('1$(A)2$(!B)3$(A)4$(B)5', A='x')
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b.Emit('y')
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self.check(e, '1x2y3x4y5')
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self.check(b, 'y')
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def testTemplate4(self):
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e = emitter.Emitter()
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(a, b) = e.Emit('$!A$!B$A$B') # pair of holes.
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a.Emit('x')
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b.Emit('y')
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self.check(e, 'xyxy')
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def testMissing(self):
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# Behaviour of Undefined parameters depends on form.
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e = emitter.Emitter();
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e.Emit('$A $?B $(C) $(?D)')
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self.check(e, '$A $(C) ')
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def testHoleScopes(self):
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e = emitter.Emitter()
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# Holes have scope. They remember the bindings of the template application
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# in which they are created. Create two holes which inherit bindings for C
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# and D.
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(a, b) = e.Emit('[$!A][$!B]$C$D$E', C='1', D='2')
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e.Emit(' $A$B$C$D') # Bindings are local to the Emit
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self.check(e, '[][]12$E $A$B$C$D')
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# Holes are not bound within holes. That would too easily lead to infinite
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# expansions.
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a.Emit('$A$C$D') # $A12
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b.Emit('$D$C$B') # 21$B
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self.check(e, '[$A12][21$B]12$E $A$B$C$D')
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# EmitRaw avoids interpolation.
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a.EmitRaw('$C$D')
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b.EmitRaw('$D$C')
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self.check(e, '[$A12$C$D][21$B$D$C]12$E $A$B$C$D')
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def testFormat(self):
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self.assertEquals(emitter.Format('$A$B', A=1, B=2), '12')
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if __name__ == '__main__':
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logging.config.fileConfig('logging.conf')
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if __name__ == '__main__':
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unittest.main()
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