basic tests to raise distutils.file_util coverage

Lib/distutils/tests/test_file_util.py

@@ -3,7 +3,7 @@ import unittest
 import os
 import shutil
 
-from distutils.file_util import move_file
+from distutils.file_util import move_file, write_file, copy_file
 from distutils import log
 from distutils.tests import support
 
@@ -55,6 +55,21 @@ class FileUtilTestCase(support.TempdirManager, unittest.TestCase):
         wanted = ['moving %s -> %s' % (self.source, self.target_dir)]
         self.assertEquals(self._logs, wanted)
 
+    def test_write_file(self):
+        lines = ['a', 'b', 'c']
+        dir = self.mkdtemp()
+        foo = os.path.join(dir, 'foo')
+        write_file(foo, lines)
+        content = [line.strip() for line in open(foo).readlines()]
+        self.assertEquals(content, lines)
+
+    def test_copy_file(self):
+        src_dir = self.mkdtemp()
+        foo = os.path.join(src_dir, 'foo')
+        write_file(foo, 'content')
+        dst_dir = self.mkdtemp()
+        copy_file(foo, dst_dir)
+        self.assertTrue(os.path.exists(os.path.join(dst_dir, 'foo')))
 
 def test_suite():
     return unittest.makeSuite(FileUtilTestCase)