lib/oeqa: Add sdk tests for gcc/perl/python

Enhance testing of the generated SDK tarballs by adding tests for
gcc/perl/python based on the existing runtime tests.

(From OE-Core rev: 18160403427b2aab4207c939312fb0981c3f2d1b)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/sdk/python.py

@@ -0,0 +1,32 @@
+import unittest
+import os
+import shutil
+from oeqa.oetest import oeSDKTest, skipModule
+from oeqa.utils.decorators import *
+
+def setUpModule():
+    if not oeSDKTest.hasHostPackage("nativesdk-python"):
+        skipModule("No python package in the SDK")
+
+
+class PythonTest(oeSDKTest):
+
+    @classmethod
+    def setUpClass(self):
+        for f in ['test.py']:
+            shutil.copyfile(os.path.join(self.tc.filesdir, f), self.tc.sdktestdir + f)
+
+    def test_python_exists(self):
+        self._run('which python')
+
+    def test_python_stdout(self):
+        output = self._run('python %s/test.py' % self.tc.sdktestdir)
+        self.assertEqual(output.strip(), "the value of a is 0.01", msg="Incorrect output: %s" % output)
+
+    def test_python_testfile(self):
+        self._run('ls /tmp/testfile.python')
+
+    @classmethod
+    def tearDownClass(self):
+        bb.utils.remove("%s/test.py" % self.tc.sdktestdir)
+        bb.utils.remove("/tmp/testfile.python")