diff --git a/meta/lib/oeqa/selftest/oescripts.py b/meta/lib/oeqa/selftest/oescripts.py
new file mode 100644
index 0000000..31cd508
--- /dev/null
+++ b/meta/lib/oeqa/selftest/oescripts.py
@@ -0,0 +1,54 @@
+import datetime
+import unittest
+import os
+import re
+import shutil
+
+import oeqa.utils.ftools as ftools
+from oeqa.selftest.base import oeSelfTest
+from oeqa.selftest.buildhistory import BuildhistoryBase
+from oeqa.utils.commands import Command, runCmd, bitbake, get_bb_var, get_test_layer
+from oeqa.utils.decorators import testcase
+
+class TestScripts(oeSelfTest):
+
+    @testcase(300)
+    def test_cleanup_workdir(self):
+        path = os.path.dirname(get_bb_var('WORKDIR', 'gzip'))
+        old_version_recipe = os.path.join(get_bb_var('COREBASE'), 'meta/recipes-extended/gzip/gzip_1.3.12.bb')
+        old_version = '1.3.12'
+        bitbake("-ccleansstate gzip")
+        bitbake("-ccleansstate -b %s" % old_version_recipe)
+        if os.path.exists(get_bb_var('WORKDIR', "-b %s" % old_version_recipe)):
+            shutil.rmtree(get_bb_var('WORKDIR', "-b %s" % old_version_recipe))
+        if os.path.exists(get_bb_var('WORKDIR', 'gzip')):
+            shutil.rmtree(get_bb_var('WORKDIR', 'gzip'))
+
+        if os.path.exists(path):
+            initial_contents = os.listdir(path)
+        else:
+            initial_contents = []
+
+        bitbake('gzip')
+        intermediary_contents = os.listdir(path)
+        bitbake("-b %s" % old_version_recipe)
+        runCmd('cleanup-workdir')
+        remaining_contents = os.listdir(path)
+
+        expected_contents = [x for x in intermediary_contents if x not in initial_contents]
+        remaining_not_expected = [x for x in remaining_contents if x not in expected_contents]
+        self.assertFalse(remaining_not_expected, msg="Not all necessary content has been deleted from %s: %s" % (path, ', '.join(map(str, remaining_not_expected))))
+        expected_not_remaining = [x for x in expected_contents if x not in remaining_contents]
+        self.assertFalse(expected_not_remaining, msg="The script removed extra contents from %s: %s" % (path, ', '.join(map(str, expected_not_remaining))))
+
+class BuildhistoryDiffTests(BuildhistoryBase):
+
+    @testcase(295)
+    def test_buildhistory_diff(self):
+        self.add_command_to_tearDown('cleanup-workdir')
+        target = 'xcursor-transparent-theme'
+        self.run_buildhistory_operation(target, target_config="PR = \"r1\"", change_bh_location=True)
+        self.run_buildhistory_operation(target, target_config="PR = \"r0\"", change_bh_location=False, expect_error=True)
+        result = runCmd("buildhistory-diff -p %s" % get_bb_var('BUILDHISTORY_DIR'))
+        expected_output = 'PR changed from "r1" to "r0"'
+        self.assertTrue(expected_output in result.output, msg="Did not find expected output: %s" % result.output)