selftest/testexport.py: Add test test_testexport_basic

Exported tests is not been tested right now and it get
broken very easily with import errors from bitbake.

This adds a new test in order to verify in the CI if
the testexport gets broken.

[YOCTO #8384]

(From OE-Core rev: b6e0a762f8a17ee323cef02934f9a624faf706ed)

Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/selftest/testexport.py

@@ -0,0 +1,44 @@
+from oeqa.selftest.base import oeSelfTest
+from oeqa.utils.commands import runCmd, bitbake, get_bb_var, runqemu
+from oeqa.utils.decorators import testcase
+import os
+
+class TestExport(oeSelfTest):
+
+    def test_testexport_basic(self):
+        """
+        Summary: Check basic testexport functionality with only ping test enabled.
+        Expected: 1. testexport directory must be created.
+                  2. runexported.py must run without any error/exception.
+                  3. ping test must succeed.
+        Product: oe-core
+        Author: Mariano Lopez <mariano.lopez@intel.com>
+        """
+
+        features = 'INHERIT += "testexport"\n'
+        # These aren't the actual IP addresses but testexport class needs something defined
+        features += 'TEST_SERVER_IP = "192.168.7.1"\n'
+        features += 'TEST_TARGET_IP = "192.168.7.1"\n'
+        features += 'TEST_SUITES = "ping"\n'
+        self.write_config(features)
+
+        # Build tesexport for core-image-minimal
+        bitbake('core-image-minimal')
+        bitbake('-c testexport core-image-minimal')
+
+        # Verify if TEST_EXPORT_DIR was created
+        testexport_dir = get_bb_var('TEST_EXPORT_DIR', 'core-image-minimal')
+        isdir = os.path.isdir(testexport_dir)
+        self.assertEqual(True, isdir, 'Failed to create testexport dir: %s' % testexport_dir)
+
+        with runqemu('core-image-minimal') as qemu:
+            # Attempt to run runexported.py to perform ping test
+            runexported_path = os.path.join(testexport_dir, "runexported.py")
+            testdata_path = os.path.join(testexport_dir, "testdata.json")
+            cmd = "%s -t %s -s %s %s" % (runexported_path, qemu.ip, qemu.server_ip, testdata_path)
+            result = runCmd(cmd)
+            self.assertEqual(0, result.status, 'runexported.py returned a non 0 status')
+
+            # Verify ping test was succesful
+            failure = True if 'FAIL' in result.output else False
+            self.assertNotEqual(True, failure, 'ping test failed')