oeqa.selftest: add a test for oe.path.copytree()

One motivation for the use of cpio in oe.path.copytree() was to
ensure that files with spaces in their names were copied. Add a new
unittest module to test the OE module with a test case for copytree
with a spaces in a filename.

(From OE-Core rev: a408f8310d9426db4439cf8db0cf49f9bfe90b3b)

Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/selftest/liboe.py

@@ -0,0 +1,33 @@
+from oeqa.selftest.base import oeSelfTest
+from oeqa.utils.commands import get_bb_var
+import oe.path
+import glob
+import os
+import os.path
+
+class LibOE(oeSelfTest):
+    def test_copy_tree_special(self):
+        """
+        Summary:    oe.path.copytree() should copy files with special character
+        Expected:   'test file with sp£c!al @nd spaces' should exist in
+                    copy destination
+        Product:    OE-Core
+        Author:     Joshua Lock <joshua.g.lock@intel.com>
+        """
+        tmp_dir = get_bb_var('TMPDIR')
+        testloc = oe.path.join(tmp_dir, 'liboetests')
+        src = oe.path.join(testloc, 'src')
+        dst = oe.path.join(testloc, 'dst')
+        bb.utils.mkdirhier(testloc)
+        bb.utils.mkdirhier(src)
+        testfilename = 'test file with sp£c!al @nd spaces'
+
+        # create the test file and copy it
+        open(oe.path.join(src, testfilename), 'w+b').close()
+        oe.path.copytree(src, dst)
+
+        # ensure path exists in dest
+        fileindst = os.path.isfile(oe.path.join(dst, testfilename))
+        self.assertTrue(fileindst, "File with spaces doesn't exist in dst")
+
+        oe.path.remove(testloc)