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#!/usr/bin/env python
# Copyright 2011 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
import ninja_syntax
LONGWORD = 'a' * 10
LONGWORDWITHSPACES = 'a'*5 + '$ ' + 'a'*5
INDENT = ' '
class TestLineWordWrap(unittest.TestCase):
def setUp(self):
self.out = StringIO()
self.n = ninja_syntax.Writer(self.out, width=8)
def test_single_long_word(self):
# We shouldn't wrap a single long word.
self.n._line(LONGWORD)
self.assertEqual(LONGWORD + '\n', self.out.getvalue())
def test_few_long_words(self):
# We should wrap a line where the second word is overlong.
self.n._line(' '.join(['x', LONGWORD, 'y']))
self.assertEqual(' $\n'.join(['x',
INDENT + LONGWORD,
INDENT + 'y']) + '\n',
self.out.getvalue())
def test_comment_wrap(self):
# Filenames should not be wrapped
self.n.comment('Hello /usr/local/build-tools/bin')
self.assertEqual('# Hello\n# /usr/local/build-tools/bin\n',
self.out.getvalue())
def test_short_words_indented(self):
# Test that indent is taking into account when breaking subsequent lines.
# The second line should not be ' to tree', as that's longer than the
# test layout width of 8.
self.n._line('line_one to tree')
self.assertEqual('''\
line_one $
to $
tree
''',
self.out.getvalue())
def test_few_long_words_indented(self):
# Check wrapping in the presence of indenting.
self.n._line(' '.join(['x', LONGWORD, 'y']), indent=1)
self.assertEqual(' $\n'.join([' ' + 'x',
' ' + INDENT + LONGWORD,
' ' + INDENT + 'y']) + '\n',
self.out.getvalue())
def test_escaped_spaces(self):
self.n._line(' '.join(['x', LONGWORDWITHSPACES, 'y']))
self.assertEqual(' $\n'.join(['x',
INDENT + LONGWORDWITHSPACES,
INDENT + 'y']) + '\n',
self.out.getvalue())
def test_fit_many_words(self):
self.n = ninja_syntax.Writer(self.out, width=78)
self.n._line('command = cd ../../chrome; python ../tools/grit/grit/format/repack.py ../out/Debug/obj/chrome/chrome_dll.gen/repack/theme_resources_large.pak ../out/Debug/gen/chrome/theme_resources_large.pak', 1)
self.assertEqual('''\
command = cd ../../chrome; python ../tools/grit/grit/format/repack.py $
../out/Debug/obj/chrome/chrome_dll.gen/repack/theme_resources_large.pak $
../out/Debug/gen/chrome/theme_resources_large.pak
''',
self.out.getvalue())
def test_leading_space(self):
self.n = ninja_syntax.Writer(self.out, width=14) # force wrapping
self.n.variable('foo', ['', '-bar', '-somethinglong'], 0)
self.assertEqual('''\
foo = -bar $
-somethinglong
''',
self.out.getvalue())
def test_embedded_dollar_dollar(self):
self.n = ninja_syntax.Writer(self.out, width=15) # force wrapping
self.n.variable('foo', ['a$$b', '-somethinglong'], 0)
self.assertEqual('''\
foo = a$$b $
-somethinglong
''',
self.out.getvalue())
def test_two_embedded_dollar_dollars(self):
self.n = ninja_syntax.Writer(self.out, width=17) # force wrapping
self.n.variable('foo', ['a$$b', '-somethinglong'], 0)
self.assertEqual('''\
foo = a$$b $
-somethinglong
''',
self.out.getvalue())
def test_leading_dollar_dollar(self):
self.n = ninja_syntax.Writer(self.out, width=14) # force wrapping
self.n.variable('foo', ['$$b', '-somethinglong'], 0)
self.assertEqual('''\
foo = $$b $
-somethinglong
''',
self.out.getvalue())
def test_trailing_dollar_dollar(self):
self.n = ninja_syntax.Writer(self.out, width=14) # force wrapping
self.n.variable('foo', ['a$$', '-somethinglong'], 0)
self.assertEqual('''\
foo = a$$ $
-somethinglong
''',
self.out.getvalue())
class TestBuild(unittest.TestCase):
def setUp(self):
self.out = StringIO()
self.n = ninja_syntax.Writer(self.out)
def test_variables_dict(self):
self.n.build('out', 'cc', 'in', variables={'name': 'value'})
self.assertEqual('''\
build out: cc in
name = value
''',
self.out.getvalue())
def test_variables_list(self):
self.n.build('out', 'cc', 'in', variables=[('name', 'value')])
self.assertEqual('''\
build out: cc in
name = value
''',
self.out.getvalue())
def test_implicit_outputs(self):
self.n.build('o', 'cc', 'i', implicit_outputs='io')
self.assertEqual('''\
build o | io: cc i
''',
self.out.getvalue())
class TestExpand(unittest.TestCase):
def test_basic(self):
vars = {'x': 'X'}
self.assertEqual('foo', ninja_syntax.expand('foo', vars))
def test_var(self):
vars = {'xyz': 'XYZ'}
self.assertEqual('fooXYZ', ninja_syntax.expand('foo$xyz', vars))
def test_vars(self):
vars = {'x': 'X', 'y': 'YYY'}
self.assertEqual('XYYY', ninja_syntax.expand('$x$y', vars))
def test_space(self):
vars = {}
self.assertEqual('x y z', ninja_syntax.expand('x$ y$ z', vars))
def test_locals(self):
vars = {'x': 'a'}
local_vars = {'x': 'b'}
self.assertEqual('a', ninja_syntax.expand('$x', vars))
self.assertEqual('b', ninja_syntax.expand('$x', vars, local_vars))
def test_double(self):
self.assertEqual('a b$c', ninja_syntax.expand('a$ b$$c', {}))
if __name__ == '__main__':
unittest.main()