lib/oeqa/runtime: add test for perl

This test runs a perl script on the target and checks the output.

(From OE-Core rev: 95abdbf2d715c9e7e3368f5193167feb5efc6261)

Signed-off-by: Cornel Stoicescu <corneliux.stoicescu@intel.com>
Signed-off-by: Stefan Stanacar <stefanx.stanacar@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

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

@@ -0,0 +1,2 @@
+$a = 9.01e+21 - 9.01e+21 + 0.01;
+print ("the value of a is ", $a, "\n");

meta/lib/oeqa/runtime/perl.py

@@ -0,0 +1,28 @@
+import unittest
+import os
+from oeqa.oetest import oeRuntimeTest, skipModule
+from oeqa.utils.decorators import *
+
+def setUpModule():
+    if not oeRuntimeTest.hasPackage("perl"):
+        skipModule("No perl package in the image")
+
+
+class PerlTest(oeRuntimeTest):
+
+    @classmethod
+    def setUpClass(self):
+        oeRuntimeTest.tc.target.copy_to(os.path.join(oeRuntimeTest.tc.filesdir, "test.pl"), "/tmp/test.pl")
+
+    def test_perl_exists(self):
+        (status, output) = self.target.run('which perl')
+        self.assertEqual(status, 0, msg="Perl binary not in PATH or not on target.")
+
+    def test_perl_works(self):
+        (status, output) = self.target.run('perl /tmp/test.pl')
+        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)
+
+    @classmethod
+    def tearDownClass(self):
+        oeRuntimeTest.tc.target.run("rm /tmp/test.pl")