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__revision__ = "src/engine/SCons/Node/PythonTests.py rel_2.4.1:3453:73fefd3ea0b0 2015/11/09 03:25:05 bdbaddog"

import sys
import unittest

import TestUnit

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 not v1 is 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(object):
            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

    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()

if __name__ == "__main__":
    suite = unittest.TestSuite()
    tclasses = [
        ValueTestCase,
        ValueBuildInfoTestCase,
        ValueNodeInfoTestCase,
    ]
    for tclass in tclasses:
        names = unittest.getTestCaseNames(tclass, 'test_')
        suite.addTests(list(map(tclass, names)))
    TestUnit.run(suite)

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