oe-selftest: New BuildhistoryBase object for buildhistory testing.

(From OE-Core rev: 8c77911b0924dfb5b966bc40a541a02a29568603)

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

meta/lib/oeqa/selftest/buildhistory.py

@@ -0,0 +1,45 @@
+import unittest
+import os
+import re
+import shutil
+import datetime
+
+import oeqa.utils.ftools as ftools
+from oeqa.selftest.base import oeSelfTest
+from oeqa.utils.commands import Command, runCmd, bitbake, get_bb_var, get_test_layer
+
+
+class BuildhistoryBase(oeSelfTest):
+
+    def config_buildhistory(self, tmp_bh_location=False):
+        if (not 'buildhistory' in get_bb_var('USER_CLASSES')) and (not 'buildhistory' in get_bb_var('INHERIT')):
+            add_buildhistory_config = 'INHERIT += "buildhistory"\nBUILDHISTORY_COMMIT = "1"'
+            self.append_config(add_buildhistory_config)
+
+        if tmp_bh_location:
+            # Using a temporary buildhistory location for testing
+            tmp_bh_dir = os.path.join(self.builddir, "tmp_buildhistory_%s" % datetime.datetime.now().strftime('%Y%m%d%H%M%S'))
+            buildhistory_dir_config = "BUILDHISTORY_DIR = \"%s\"" % tmp_bh_dir
+            self.append_config(buildhistory_dir_config)
+            self.track_for_cleanup(tmp_bh_dir)
+
+    def run_buildhistory_operation(self, target, global_config='', target_config='', change_bh_location=False, expect_error=False, error_regex=''):
+        if change_bh_location:
+            tmp_bh_location = True
+        else:
+            tmp_bh_location = False
+        self.config_buildhistory(tmp_bh_location)
+
+        self.append_config(global_config)
+        self.append_recipeinc(target, target_config)
+        bitbake("-cclean %s" % target)
+        result = bitbake(target, ignore_status=True)
+        self.remove_config(global_config)
+        self.remove_recipeinc(target, target_config)
+
+        if expect_error:
+            self.assertEqual(result.status, 1, msg="Error expected for global config '%s' and target config '%s'" % (global_config, target_config))
+            search_for_error = re.search(error_regex, result.output)
+            self.assertTrue(search_for_error, msg="Could not find desired error in output: %s" % error_regex)
+        else:
+            self.assertEqual(result.status, 0, msg="Command 'bitbake %s' has failed unexpectedly: %s" % (target, result.output))