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# MIT License
#
# Copyright The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import unittest
import SCons.Errors
import SCons.Node.Python
class ValueTestCase(unittest.TestCase):
def test_Value(self):
"""Test creating a Value() object
"""
v1 = SCons.Node.Python.Value('a')
assert v1.value == 'a', v1.value
value2 = 'a'
v2 = SCons.Node.Python.Value(value2)
assert v2.value == value2, v2.value
assert v2.value is value2, v2.value
assert v1 is not v2
assert v1.value == v2.value
v3 = SCons.Node.Python.Value('c', 'cb')
assert v3.built_value == 'cb'
def test_build(self):
"""Test "building" a Value Node
"""
class fake_executor:
def __call__(self, node):
node.write('faked')
v1 = SCons.Node.Python.Value('b', 'built')
v1.executor = fake_executor()
v1.build()
assert v1.built_value == 'built', v1.built_value
v2 = SCons.Node.Python.Value('b')
v2.executor = fake_executor()
v2.build()
assert v2.built_value == 'faked', v2.built_value
v3 = SCons.Node.Python.Value(b'\x00\x0F', name='name')
v3.executor = fake_executor()
v3.build()
assert v3.name == 'name', v3.name
assert v3.built_value == 'faked', v3.built_value
def test_read(self):
"""Test the Value.read() method
"""
v1 = SCons.Node.Python.Value('a')
x = v1.read()
assert x == 'a', x
def test_write(self):
"""Test the Value.write() method
"""
v1 = SCons.Node.Python.Value('a')
assert v1.value == 'a', v1.value
assert not hasattr(v1, 'built_value')
v1.write('new')
assert v1.value == 'a', v1.value
assert v1.built_value == 'new', v1.built_value
def test_get_csig(self):
"""Test calculating the content signature of a Value() object
"""
v1 = SCons.Node.Python.Value('aaa')
csig = v1.get_csig(None)
assert csig == 'aaa', csig
v2 = SCons.Node.Python.Value(7)
csig = v2.get_csig(None)
assert csig == '7', csig
v3 = SCons.Node.Python.Value(None)
csig = v3.get_csig(None)
assert csig == 'None', csig
class ValueNodeInfoTestCase(unittest.TestCase):
def test___init__(self):
"""Test ValueNodeInfo initialization"""
vvv = SCons.Node.Python.Value('vvv')
ni = SCons.Node.Python.ValueNodeInfo()
class ValueBuildInfoTestCase(unittest.TestCase):
def test___init__(self):
"""Test ValueBuildInfo initialization"""
vvv = SCons.Node.Python.Value('vvv')
bi = SCons.Node.Python.ValueBuildInfo()
class ValueChildTestCase(unittest.TestCase):
def test___init__(self):
"""Test support for a Value() being an implicit dependency of a Node"""
value = SCons.Node.Python.Value('v')
node = SCons.Node.Node()
node._func_get_contents = 2 # Pretend to be a Dir.
node.add_to_implicit([value])
contents = node.get_contents()
expected_contents = '%s %s\n' % (value.get_csig(), value.name)
assert contents == expected_contents
class ValueMemoTestCase(unittest.TestCase):
def test_memo(self):
"""Test memoization"""
# First confirm that ValueWithMemo does memoization.
value1 = SCons.Node.Python.ValueWithMemo('vvv')
value2 = SCons.Node.Python.ValueWithMemo('vvv')
assert value1 is value2
# Next confirm that ValueNodeInfo.str_to_node does memoization using
# the same cache as ValueWithMemo.
ni = SCons.Node.Python.ValueNodeInfo()
value3 = ni.str_to_node('vvv')
assert value1 is value3
def test_built_value(self):
"""Confirm that built values are not memoized."""
v1 = SCons.Node.Python.ValueWithMemo('c', 'ca')
v2 = SCons.Node.Python.ValueWithMemo('c', 'ca')
assert v1 is not v2
def test_non_primitive_values(self):
"""Confirm that non-primitive values are not memoized."""
d = {'a': 1}
v1 = SCons.Node.Python.ValueWithMemo(d)
v2 = SCons.Node.Python.ValueWithMemo(d)
assert v1 is not v2
a = [1]
v3 = SCons.Node.Python.ValueWithMemo(a)
v4 = SCons.Node.Python.ValueWithMemo(a)
assert v3 is not v4
def test_value_set_name(self):
""" Confirm setting name and caching takes the name into account """
v1 = SCons.Node.Python.ValueWithMemo(b'\x00\x0F', name='name')
v2 = SCons.Node.Python.ValueWithMemo(b'\x00\x0F', name='name2')
v3 = SCons.Node.Python.ValueWithMemo('Jibberish')
self.assertEqual(v1.name,'name', msg=v1.name)
self.assertEqual(v2.name,'name2', msg=v2.name)
self.assertEqual(v3.name,'Jibberish', msg=v3.name)
self.assertTrue(v1 is not v2, msg="v1 and v2 should be different as they have different names but same values")
if __name__ == "__main__":
unittest.main()
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
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