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• test_classpathimporter.py

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Lib.test.test_classpathimporter.py Maven / Gradle / Ivy

import os
import py_compile
import shutil
import sys
import tempfile
import unittest
import zipfile
from test import test_support
from java.lang import Thread

class ClasspathImporterTestCase(unittest.TestCase):

    def setUp(self):
        self.orig_context = Thread.currentThread().contextClassLoader
        self.orig_path = sys.path

    def tearDown(self):
        Thread.currentThread().contextClassLoader = self.orig_context
        sys.path = self.orig_path

    # I don't like the checked in jar file bug1239.jar.  The *one* thing I
    # liked about the tests in bugtests/ is that you could create a java file,
    # compile it, jar it and destroy the jar when done.  Maybe when we move to
    # JDK 6 and can use JSR-199 to do runtime compiling, we can go back to
    # that.  Anyway, see http://bugs.jython.org/issue1239. In short, jars added
    # with sys.path.append where not getting scanned if they start with a top
    # level package we already have, like the "org" in org.python.*
    def test_bug1239(self):
        sys.path.append("Lib/test/bug1239.jar")
        import org.test403javapackage.test403

    # different from test_bug1239 in that only a Java package is imported, not
    # a Java class.  I'd also like to get rid of this checked in test jar.
    def test_bug1126(self):
        sys.path.append("Lib/test/bug1126/bug1126.jar")
        import org.subpackage


class PyclasspathImporterTestCase(unittest.TestCase):

    def setUp(self):
        self.orig_context = Thread.currentThread().contextClassLoader
        self.orig_path = sys.path
        self.temp_dir = tempfile.mkdtemp()
        self.modules = sys.modules.keys()

    def tearDown(self):
        Thread.currentThread().contextClassLoader = self.orig_context
        sys.path = self.orig_path
        shutil.rmtree(self.temp_dir)
        for module in sys.modules.keys():
            if module not in self.modules:
                del sys.modules[module]

    def setClassLoaderAndCheck(self, orig_jar, prefix, compile_path=''):
        # Create a new jar and compile prefer_compiled into it
        orig_jar = test_support.findfile(orig_jar)
        jar = os.path.join(self.temp_dir, os.path.basename(orig_jar))
        shutil.copy(orig_jar, jar)

        code = os.path.join(self.temp_dir, 'prefer_compiled.py')
        fp = open(code, 'w')
        fp.write('compiled = True')
        fp.close()
        py_compile.compile(code)
        zip = zipfile.ZipFile(jar, 'a')
        zip.write(os.path.join(self.temp_dir, 'prefer_compiled$py.class'),
                  os.path.join(compile_path, 'jar_pkg',
                               'prefer_compiled$py.class'))
        zip.close()

        Thread.currentThread().contextClassLoader = test_support.make_jar_classloader(jar)
        import flat_in_jar
        self.assertEquals(flat_in_jar.value, 7)
        import jar_pkg
        self.assertEquals(prefix + '/jar_pkg/__init__.py', jar_pkg.__file__)
        from jar_pkg import prefer_compiled
        self.assertEquals(prefix + '/jar_pkg/prefer_compiled$py.class', prefer_compiled.__file__)
        self.assert_(prefer_compiled.compiled)
        self.assertRaises(NameError, __import__, 'flat_bad')
        self.assertRaises(NameError, __import__, 'jar_pkg.bad')

    @unittest.skip("FIXME: worked in Jython 2.5")
    def test_default_pyclasspath(self):
        self.setClassLoaderAndCheck('classimport.jar', '__pyclasspath__')

    @unittest.skip("FIXME: worked in Jython 2.5")
    def test_path_in_pyclasspath(self):
        sys.path = ['__pyclasspath__/Lib']
        self.setClassLoaderAndCheck('classimport_Lib.jar',
                                    '__pyclasspath__/Lib', 'Lib')


def test_main():
    test_support.run_unittest(ClasspathImporterTestCase,
                              PyclasspathImporterTestCase)


if __name__ == '__main__':
    test_main()