lib/oeqa/runtime: add test for python

Run a python script on the target
1)checks the output.
2)Call os.system method create a testfile

(From OE-Core rev: 4465c9368b0c37a3a2c41b68f65de08690a8179b)

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/testimage.bbclass

@@ -27,8 +27,8 @@ TEST_LOG_DIR ?= "${WORKDIR}/testimage"
 
 DEFAULT_TEST_SUITES = "ping auto"
 DEFAULT_TEST_SUITES_pn-core-image-minimal = "ping"
-DEFAULT_TEST_SUITES_pn-core-image-sato = "ping ssh df connman syslog xorg scp vnc date rpm smart dmesg"
-DEFAULT_TEST_SUITES_pn-core-image-sato-sdk = "ping ssh df connman syslog xorg scp vnc date perl ldd gcc rpm smart kernelmodule dmesg"
+DEFAULT_TEST_SUITES_pn-core-image-sato = "ping ssh df connman syslog xorg scp vnc date rpm smart dmesg python"
+DEFAULT_TEST_SUITES_pn-core-image-sato-sdk = "ping ssh df connman syslog xorg scp vnc date perl ldd gcc rpm smart kernelmodule dmesg python"
 
 TEST_SUITES ?= "${DEFAULT_TEST_SUITES}"
 

meta/lib/oeqa/runtime/files/test.py

@@ -0,0 +1,6 @@
+import os
+
+os.system('touch /tmp/testfile.python')
+
+a = 9.01e+21 - 9.01e+21 + 0.01
+print "the value of a is %s" % a

meta/lib/oeqa/runtime/python.py

@@ -0,0 +1,33 @@
+import unittest
+import os
+from oeqa.oetest import oeRuntimeTest, skipModule
+from oeqa.utils.decorators import *
+
+def setUpModule():
+    if not oeRuntimeTest.hasPackage("python"):
+        skipModule("No python package in the image")
+
+
+class PythonTest(oeRuntimeTest):
+
+    @classmethod
+    def setUpClass(self):
+        oeRuntimeTest.tc.target.copy_to(os.path.join(oeRuntimeTest.tc.filesdir, "test.py"), "/tmp/test.py")
+
+    def test_python_exists(self):
+        (status, output) = self.target.run('which python')
+        self.assertEqual(status, 0, msg="Python binary not in PATH or not on target.")
+
+    def test_python_stdout(self):
+        (status, output) = self.target.run('python /tmp/test.py')
+        self.assertEqual(status, 0, msg="Exit status was not 0. Output: %s" % output)
+        self.assertEqual(output, "the value of a is 0.01", msg="Incorrect output: %s" % output)
+
+    def test_python_testfile(self):
+        (status, output) = self.target.run('ls /tmp/testfile.python')
+        self.assertEqual(status, 0, msg="Python test file generate failed.")
+        
+
+    @classmethod
+    def tearDownClass(self):
+        oeRuntimeTest.tc.target.run("rm /tmp/test.py /tmp/testfile.python")