1 files changed, 64 insertions, 0 deletions

diff --git a/meta/lib/oeqa/selftest/buildoptions.py b/meta/lib/oeqa/selftest/buildoptions.py
index acf481f7b8..64ced151b4 100644
--- a/meta/lib/oeqa/selftest/buildoptions.py
+++ b/meta/lib/oeqa/selftest/buildoptions.py
@@ -118,6 +118,70 @@ class BuildhistoryTests(BuildhistoryBase):
         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, error_regex=error)
 
+    @testcase(1386)
+    def test_buildhistory_does_not_change_signatures(self):
+        """
+        Summary:     Ensure that buildhistory does not change signatures
+        Expected:    Only 'do_rootfs' and 'do_build' tasks are rerun
+        Product:     oe-core
+        Author:      Daniel Istrate <daniel.alexandrux.istrate@intel.com>
+        AutomatedBy: Daniel Istrate <daniel.alexandrux.istrate@intel.com>
+        """
+
+        tmpdir1_name = 'tmpsig1'
+        tmpdir2_name = 'tmpsig2'
+        builddir = os.environ.get('BUILDDIR')
+        tmpdir1 = os.path.join(builddir, tmpdir1_name)
+        tmpdir2 = os.path.join(builddir, tmpdir2_name)
+
+        self.track_for_cleanup(tmpdir1)
+        self.track_for_cleanup(tmpdir2)
+
+        features = 'TMPDIR = "%s"\n' % tmpdir1
+        self.write_config(features)
+        bitbake('core-image-sato -S none')
+
+        features = 'TMPDIR = "%s"\n' % tmpdir2
+        features += 'INHERIT += "buildhistory"\n'
+        self.write_config(features)
+        bitbake('core-image-sato -S none')
+
+        def get_files(d):
+            f = []
+            for root, dirs, files in os.walk(d):
+                for name in files:
+                    f.append(os.path.join(root, name))
+            return f
+
+        files1 = get_files(tmpdir1 + '/stamps')
+        files2 = get_files(tmpdir2 + '/stamps')
+        files2 = [x.replace(tmpdir2_name, tmpdir1_name) for x in files2]
+
+        f1 = set(files1)
+        f2 = set(files2)
+        sigdiff = f1 - f2
+
+        self.assertEqual(len(sigdiff), 2, 'Expected 2 signature differences. Out: %s' % list(sigdiff))
+
+        unexpected_diff = []
+
+        # No new signatures should appear apart from do_rootfs and do_build
+        found_do_rootfs_flag = False
+        found_do_build_flag = False
+
+        for sig in sigdiff:
+            if 'do_rootfs' in sig:
+                found_do_rootfs_flag = True
+            elif 'do_build' in sig:
+                found_do_build_flag = True
+            else:
+                unexpected_diff.append(sig)
+
+        self.assertTrue(found_do_rootfs_flag, 'Task do_rootfs did not rerun.')
+        self.assertTrue(found_do_build_flag, 'Task do_build did not rerun')
+        self.assertFalse(unexpected_diff, 'Found unexpected signature differences. Out: %s' % unexpected_diff)
+
+
 class BuildImagesTest(oeSelfTest):
     @testcase(563)
     def test_directfb(self):