1 files changed, 572 insertions, 139 deletions

diff --git a/meta/lib/oeqa/selftest/cases/sstatetests.py b/meta/lib/oeqa/selftest/cases/sstatetests.py
index c46e8ba489..86d6cd7464 100644
--- a/meta/lib/oeqa/selftest/cases/sstatetests.py
+++ b/meta/lib/oeqa/selftest/cases/sstatetests.py
@@ -1,4 +1,6 @@
 #
+# Copyright OpenEmbedded Contributors
+#
 # SPDX-License-Identifier: MIT
 #
 
@@ -7,54 +9,77 @@ import shutil
 import glob
 import subprocess
 import tempfile
+import datetime
+import re
 
+from oeqa.utils.commands import runCmd, bitbake, get_bb_var, create_temp_layer, get_bb_vars
 from oeqa.selftest.case import OESelftestTestCase
-from oeqa.utils.commands import runCmd, bitbake, get_bb_var, get_test_layer, create_temp_layer
-from oeqa.selftest.cases.sstate import SStateBase
+from oeqa.core.decorator import OETestTag
 
+import oe
 import bb.siggen
 
-class SStateTests(SStateBase):
-    def test_autorev_sstate_works(self):
-        # Test that a git repository which changes is correctly handled by SRCREV = ${AUTOREV}
-        # when PV does not contain SRCPV
-
-        tempdir = tempfile.mkdtemp(prefix='sstate_autorev')
-        tempdldir = tempfile.mkdtemp(prefix='sstate_autorev_dldir')
-        self.track_for_cleanup(tempdir)
-        self.track_for_cleanup(tempdldir)
-        create_temp_layer(tempdir, 'selftestrecipetool')
-        self.add_command_to_tearDown('bitbake-layers remove-layer %s' % tempdir)
-        self.append_config("DL_DIR = \"%s\"" % tempdldir)
-        runCmd('bitbake-layers add-layer %s' % tempdir)
-
-        # Use dbus-wait as a local git repo we can add a commit between two builds in
-        pn = 'dbus-wait'
-        srcrev = '6cc6077a36fe2648a5f993fe7c16c9632f946517'
-        url = 'git://git.yoctoproject.org/dbus-wait'
-        result = runCmd('git clone %s noname' % url, cwd=tempdir)
-        srcdir = os.path.join(tempdir, 'noname')
-        result = runCmd('git reset --hard %s' % srcrev, cwd=srcdir)
-        self.assertTrue(os.path.isfile(os.path.join(srcdir, 'configure.ac')), 'Unable to find configure script in source directory')
-
-        recipefile = os.path.join(tempdir, "recipes-test", "dbus-wait-test", 'dbus-wait-test_git.bb')
-        os.makedirs(os.path.dirname(recipefile))
-        srcuri = 'git://' + srcdir + ';protocol=file'
-        result = runCmd(['recipetool', 'create', '-o', recipefile, srcuri])
-        self.assertTrue(os.path.isfile(recipefile), 'recipetool did not create recipe file; output:\n%s' % result.output)
-
-        with open(recipefile, 'a') as f:
-            f.write('SRCREV = "${AUTOREV}"\n')
-            f.write('PV = "1.0"\n')
-
-        bitbake("dbus-wait-test -c fetch")
-        with open(os.path.join(srcdir, "bar.txt"), "w") as f:
-            f.write("foo")
-        result = runCmd('git add bar.txt; git commit -asm "add bar"', cwd=srcdir)
-        bitbake("dbus-wait-test -c unpack")
-
-
-    # Test sstate files creation and their location
+# Set to True to preserve stamp files after test execution for debugging failures
+keep_temp_files = False
+
+class SStateBase(OESelftestTestCase):
+
+    def setUpLocal(self):
+        super(SStateBase, self).setUpLocal()
+        self.temp_sstate_location = None
+        needed_vars = ['SSTATE_DIR', 'NATIVELSBSTRING', 'TCLIBC', 'TUNE_ARCH',
+                       'TOPDIR', 'TARGET_VENDOR', 'TARGET_OS']
+        bb_vars = get_bb_vars(needed_vars)
+        self.sstate_path = bb_vars['SSTATE_DIR']
+        self.hostdistro = bb_vars['NATIVELSBSTRING']
+        self.tclibc = bb_vars['TCLIBC']
+        self.tune_arch = bb_vars['TUNE_ARCH']
+        self.topdir = bb_vars['TOPDIR']
+        self.target_vendor = bb_vars['TARGET_VENDOR']
+        self.target_os = bb_vars['TARGET_OS']
+        self.distro_specific_sstate = os.path.join(self.sstate_path, self.hostdistro)
+
+    def track_for_cleanup(self, path):
+        if not keep_temp_files:
+            super().track_for_cleanup(path)
+
+    # Creates a special sstate configuration with the option to add sstate mirrors
+    def config_sstate(self, temp_sstate_location=False, add_local_mirrors=[]):
+        self.temp_sstate_location = temp_sstate_location
+
+        if self.temp_sstate_location:
+            temp_sstate_path = os.path.join(self.builddir, "temp_sstate_%s" % datetime.datetime.now().strftime('%Y%m%d%H%M%S'))
+            config_temp_sstate = "SSTATE_DIR = \"%s\"" % temp_sstate_path
+            self.append_config(config_temp_sstate)
+            self.track_for_cleanup(temp_sstate_path)
+        bb_vars = get_bb_vars(['SSTATE_DIR', 'NATIVELSBSTRING'])
+        self.sstate_path = bb_vars['SSTATE_DIR']
+        self.hostdistro = bb_vars['NATIVELSBSTRING']
+        self.distro_specific_sstate = os.path.join(self.sstate_path, self.hostdistro)
+
+        if add_local_mirrors:
+            config_set_sstate_if_not_set = 'SSTATE_MIRRORS ?= ""'
+            self.append_config(config_set_sstate_if_not_set)
+            for local_mirror in add_local_mirrors:
+                self.assertFalse(os.path.join(local_mirror) == os.path.join(self.sstate_path), msg='Cannot add the current sstate path as a sstate mirror')
+                config_sstate_mirror = "SSTATE_MIRRORS += \"file://.* file:///%s/PATH\"" % local_mirror
+                self.append_config(config_sstate_mirror)
+
+    # Returns a list containing sstate files
+    def search_sstate(self, filename_regex, distro_specific=True, distro_nonspecific=True):
+        result = []
+        for root, dirs, files in os.walk(self.sstate_path):
+            if distro_specific and re.search(r"%s/%s/[a-z0-9]{2}/[a-z0-9]{2}$" % (self.sstate_path, self.hostdistro), root):
+                for f in files:
+                    if re.search(filename_regex, f):
+                        result.append(f)
+            if distro_nonspecific and re.search(r"%s/[a-z0-9]{2}/[a-z0-9]{2}$" % self.sstate_path, root):
+                for f in files:
+                    if re.search(filename_regex, f):
+                        result.append(f)
+        return result
+
+    # Test sstate files creation and their location and directory perms
     def run_test_sstate_creation(self, targets, distro_specific=True, distro_nonspecific=True, temp_sstate_location=True, should_pass=True):
         self.config_sstate(temp_sstate_location, [self.sstate_path])
 
@@ -63,12 +88,25 @@ class SStateTests(SStateBase):
         else:
             bitbake(['-ccleansstate'] + targets)
 
+        # We need to test that the env umask have does not effect sstate directory creation
+        # So, first, we'll get the current umask and set it to something we know incorrect
+        # See: sstate_task_postfunc for correct umask of os.umask(0o002)
+        import os
+        def current_umask():
+            current_umask = os.umask(0)
+            os.umask(current_umask)
+            return current_umask
+
+        orig_umask = current_umask()
+        # Set it to a umask we know will be 'wrong'
+        os.umask(0o022)
+
         bitbake(targets)
         file_tracker = []
         results = self.search_sstate('|'.join(map(str, targets)), distro_specific, distro_nonspecific)
         if distro_nonspecific:
             for r in results:
-                if r.endswith(("_populate_lic.tgz", "_populate_lic.tgz.siginfo", "_fetch.tgz.siginfo", "_unpack.tgz.siginfo", "_patch.tgz.siginfo")):
+                if r.endswith(("_populate_lic.tar.zst", "_populate_lic.tar.zst.siginfo", "_fetch.tar.zst.siginfo", "_unpack.tar.zst.siginfo", "_patch.tar.zst.siginfo")):
                     continue
                 file_tracker.append(r)
         else:
@@ -79,17 +117,18 @@ class SStateTests(SStateBase):
         else:
             self.assertTrue(not file_tracker , msg="Found sstate files in the wrong place for: %s (found %s)" % (', '.join(map(str, targets)), str(file_tracker)))
 
-    def test_sstate_creation_distro_specific_pass(self):
-        self.run_test_sstate_creation(['binutils-cross-'+ self.tune_arch, 'binutils-native'], distro_specific=True, distro_nonspecific=False, temp_sstate_location=True)
-
-    def test_sstate_creation_distro_specific_fail(self):
-        self.run_test_sstate_creation(['binutils-cross-'+ self.tune_arch, 'binutils-native'], distro_specific=False, distro_nonspecific=True, temp_sstate_location=True, should_pass=False)
+        # Now we'll walk the tree to check the mode and see if things are incorrect.
+        badperms = []
+        for root, dirs, files in os.walk(self.sstate_path):
+            for directory in dirs:
+                if (os.stat(os.path.join(root, directory)).st_mode & 0o777) != 0o775:
+                    badperms.append(os.path.join(root, directory))
 
-    def test_sstate_creation_distro_nonspecific_pass(self):
-        self.run_test_sstate_creation(['linux-libc-headers'], distro_specific=False, distro_nonspecific=True, temp_sstate_location=True)
+        # Return to original umask
+        os.umask(orig_umask)
 
-    def test_sstate_creation_distro_nonspecific_fail(self):
-        self.run_test_sstate_creation(['linux-libc-headers'], distro_specific=True, distro_nonspecific=False, temp_sstate_location=True, should_pass=False)
+        if should_pass:
+            self.assertTrue(badperms , msg="Found sstate directories with the wrong permissions: %s (found %s)" % (', '.join(map(str, targets)), str(badperms)))
 
     # Test the sstate files deletion part of the do_cleansstate task
     def run_test_cleansstate_task(self, targets, distro_specific=True, distro_nonspecific=True, temp_sstate_location=True):
@@ -98,29 +137,15 @@ class SStateTests(SStateBase):
         bitbake(['-ccleansstate'] + targets)
 
         bitbake(targets)
-        tgz_created = self.search_sstate('|'.join(map(str, [s + r'.*?\.tgz$' for s in targets])), distro_specific, distro_nonspecific)
-        self.assertTrue(tgz_created, msg="Could not find sstate .tgz files for: %s (%s)" % (', '.join(map(str, targets)), str(tgz_created)))
+        archives_created = self.search_sstate('|'.join(map(str, [s + r'.*?\.tar.zst$' for s in targets])), distro_specific, distro_nonspecific)
+        self.assertTrue(archives_created, msg="Could not find sstate .tar.zst files for: %s (%s)" % (', '.join(map(str, targets)), str(archives_created)))
 
         siginfo_created = self.search_sstate('|'.join(map(str, [s + r'.*?\.siginfo$' for s in targets])), distro_specific, distro_nonspecific)
         self.assertTrue(siginfo_created, msg="Could not find sstate .siginfo files for: %s (%s)" % (', '.join(map(str, targets)), str(siginfo_created)))
 
         bitbake(['-ccleansstate'] + targets)
-        tgz_removed = self.search_sstate('|'.join(map(str, [s + r'.*?\.tgz$' for s in targets])), distro_specific, distro_nonspecific)
-        self.assertTrue(not tgz_removed, msg="do_cleansstate didn't remove .tgz sstate files for: %s (%s)" % (', '.join(map(str, targets)), str(tgz_removed)))
-
-    def test_cleansstate_task_distro_specific_nonspecific(self):
-        targets = ['binutils-cross-'+ self.tune_arch, 'binutils-native']
-        targets.append('linux-libc-headers')
-        self.run_test_cleansstate_task(targets, distro_specific=True, distro_nonspecific=True, temp_sstate_location=True)
-
-    def test_cleansstate_task_distro_nonspecific(self):
-        self.run_test_cleansstate_task(['linux-libc-headers'], distro_specific=False, distro_nonspecific=True, temp_sstate_location=True)
-
-    def test_cleansstate_task_distro_specific(self):
-        targets = ['binutils-cross-'+ self.tune_arch, 'binutils-native']
-        targets.append('linux-libc-headers')
-        self.run_test_cleansstate_task(targets, distro_specific=True, distro_nonspecific=False, temp_sstate_location=True)
-
+        archives_removed = self.search_sstate('|'.join(map(str, [s + r'.*?\.tar.zst$' for s in targets])), distro_specific, distro_nonspecific)
+        self.assertTrue(not archives_removed, msg="do_cleansstate didn't remove .tar.zst sstate files for: %s (%s)" % (', '.join(map(str, targets)), str(archives_removed)))
 
     # Test rebuilding of distro-specific sstate files
     def run_test_rebuild_distro_specific_sstate(self, targets, temp_sstate_location=True):
@@ -129,15 +154,15 @@ class SStateTests(SStateBase):
         bitbake(['-ccleansstate'] + targets)
 
         bitbake(targets)
-        results = self.search_sstate('|'.join(map(str, [s + r'.*?\.tgz$' for s in targets])), distro_specific=False, distro_nonspecific=True)
+        results = self.search_sstate('|'.join(map(str, [s + r'.*?\.tar.zst$' for s in targets])), distro_specific=False, distro_nonspecific=True)
         filtered_results = []
         for r in results:
-            if r.endswith(("_populate_lic.tgz", "_populate_lic.tgz.siginfo")):
+            if r.endswith(("_populate_lic.tar.zst", "_populate_lic.tar.zst.siginfo")):
                 continue
             filtered_results.append(r)
         self.assertTrue(filtered_results == [], msg="Found distro non-specific sstate for: %s (%s)" % (', '.join(map(str, targets)), str(filtered_results)))
-        file_tracker_1 = self.search_sstate('|'.join(map(str, [s + r'.*?\.tgz$' for s in targets])), distro_specific=True, distro_nonspecific=False)
-        self.assertTrue(len(file_tracker_1) >= len(targets), msg = "Not all sstate files ware created for: %s" % ', '.join(map(str, targets)))
+        file_tracker_1 = self.search_sstate('|'.join(map(str, [s + r'.*?\.tar.zst$' for s in targets])), distro_specific=True, distro_nonspecific=False)
+        self.assertTrue(len(file_tracker_1) >= len(targets), msg = "Not all sstate files were created for: %s" % ', '.join(map(str, targets)))
 
         self.track_for_cleanup(self.distro_specific_sstate + "_old")
         shutil.copytree(self.distro_specific_sstate, self.distro_specific_sstate + "_old")
@@ -145,15 +170,114 @@ class SStateTests(SStateBase):
 
         bitbake(['-cclean'] + targets)
         bitbake(targets)
-        file_tracker_2 = self.search_sstate('|'.join(map(str, [s + r'.*?\.tgz$' for s in targets])), distro_specific=True, distro_nonspecific=False)
-        self.assertTrue(len(file_tracker_2) >= len(targets), msg = "Not all sstate files ware created for: %s" % ', '.join(map(str, targets)))
+        file_tracker_2 = self.search_sstate('|'.join(map(str, [s + r'.*?\.tar.zst$' for s in targets])), distro_specific=True, distro_nonspecific=False)
+        self.assertTrue(len(file_tracker_2) >= len(targets), msg = "Not all sstate files were created for: %s" % ', '.join(map(str, targets)))
 
         not_recreated = [x for x in file_tracker_1 if x not in file_tracker_2]
-        self.assertTrue(not_recreated == [], msg="The following sstate files ware not recreated: %s" % ', '.join(map(str, not_recreated)))
+        self.assertTrue(not_recreated == [], msg="The following sstate files were not recreated: %s" % ', '.join(map(str, not_recreated)))
 
         created_once = [x for x in file_tracker_2 if x not in file_tracker_1]
-        self.assertTrue(created_once == [], msg="The following sstate files ware created only in the second run: %s" % ', '.join(map(str, created_once)))
+        self.assertTrue(created_once == [], msg="The following sstate files were created only in the second run: %s" % ', '.join(map(str, created_once)))
+
+    def sstate_common_samesigs(self, configA, configB, allarch=False):
+
+        self.write_config(configA)
+        self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash")
+        bitbake("world meta-toolchain -S none")
+        self.write_config(configB)
+        self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash2")
+        bitbake("world meta-toolchain -S none")
+
+        def get_files(d, result):
+            for root, dirs, files in os.walk(d):
+                for name in files:
+                    if "meta-environment" in root or "cross-canadian" in root:
+                        continue
+                    if "do_build" not in name:
+                        # 1.4.1+gitAUTOINC+302fca9f4c-r0.do_package_write_ipk.sigdata.f3a2a38697da743f0dbed8b56aafcf79
+                        (_, task, _, shash) = name.rsplit(".", 3)
+                        result[os.path.join(os.path.basename(root), task)] = shash
+
+        files1 = {}
+        files2 = {}
+        subdirs = sorted(glob.glob(self.topdir + "/tmp-sstatesamehash/stamps/*-nativesdk*-linux"))
+        if allarch:
+            subdirs.extend(sorted(glob.glob(self.topdir + "/tmp-sstatesamehash/stamps/all-*-linux")))
+
+        for subdir in subdirs:
+            nativesdkdir = os.path.basename(subdir)
+            get_files(self.topdir + "/tmp-sstatesamehash/stamps/" + nativesdkdir, files1)
+            get_files(self.topdir + "/tmp-sstatesamehash2/stamps/" + nativesdkdir, files2)
+
+        self.maxDiff = None
+        self.assertEqual(files1, files2)
+
+class SStateTests(SStateBase):
+    def test_autorev_sstate_works(self):
+        # Test that a git repository which changes is correctly handled by SRCREV = ${AUTOREV}
 
+        tempdir = tempfile.mkdtemp(prefix='sstate_autorev')
+        tempdldir = tempfile.mkdtemp(prefix='sstate_autorev_dldir')
+        self.track_for_cleanup(tempdir)
+        self.track_for_cleanup(tempdldir)
+        create_temp_layer(tempdir, 'selftestrecipetool')
+        self.add_command_to_tearDown('bitbake-layers remove-layer %s' % tempdir)
+        self.append_config("DL_DIR = \"%s\"" % tempdldir)
+        runCmd('bitbake-layers add-layer %s' % tempdir)
+
+        # Use dbus-wait as a local git repo we can add a commit between two builds in
+        pn = 'dbus-wait'
+        srcrev = '6cc6077a36fe2648a5f993fe7c16c9632f946517'
+        url = 'git://git.yoctoproject.org/dbus-wait'
+        result = runCmd('git clone %s noname' % url, cwd=tempdir)
+        srcdir = os.path.join(tempdir, 'noname')
+        result = runCmd('git reset --hard %s' % srcrev, cwd=srcdir)
+        self.assertTrue(os.path.isfile(os.path.join(srcdir, 'configure.ac')), 'Unable to find configure script in source directory')
+
+        recipefile = os.path.join(tempdir, "recipes-test", "dbus-wait-test", 'dbus-wait-test_git.bb')
+        os.makedirs(os.path.dirname(recipefile))
+        srcuri = 'git://' + srcdir + ';protocol=file;branch=master'
+        result = runCmd(['recipetool', 'create', '-o', recipefile, srcuri])
+        self.assertTrue(os.path.isfile(recipefile), 'recipetool did not create recipe file; output:\n%s' % result.output)
+
+        with open(recipefile, 'a') as f:
+            f.write('SRCREV = "${AUTOREV}"\n')
+            f.write('PV = "1.0"\n')
+
+        bitbake("dbus-wait-test -c fetch")
+        with open(os.path.join(srcdir, "bar.txt"), "w") as f:
+            f.write("foo")
+        result = runCmd('git add bar.txt; git commit -asm "add bar"', cwd=srcdir)
+        bitbake("dbus-wait-test -c unpack")
+
+class SStateCreation(SStateBase):
+    def test_sstate_creation_distro_specific_pass(self):
+        self.run_test_sstate_creation(['binutils-cross-'+ self.tune_arch, 'binutils-native'], distro_specific=True, distro_nonspecific=False, temp_sstate_location=True)
+
+    def test_sstate_creation_distro_specific_fail(self):
+        self.run_test_sstate_creation(['binutils-cross-'+ self.tune_arch, 'binutils-native'], distro_specific=False, distro_nonspecific=True, temp_sstate_location=True, should_pass=False)
+
+    def test_sstate_creation_distro_nonspecific_pass(self):
+        self.run_test_sstate_creation(['linux-libc-headers'], distro_specific=False, distro_nonspecific=True, temp_sstate_location=True)
+
+    def test_sstate_creation_distro_nonspecific_fail(self):
+        self.run_test_sstate_creation(['linux-libc-headers'], distro_specific=True, distro_nonspecific=False, temp_sstate_location=True, should_pass=False)
+
+class SStateCleanup(SStateBase):
+    def test_cleansstate_task_distro_specific_nonspecific(self):
+        targets = ['binutils-cross-'+ self.tune_arch, 'binutils-native']
+        targets.append('linux-libc-headers')
+        self.run_test_cleansstate_task(targets, distro_specific=True, distro_nonspecific=True, temp_sstate_location=True)
+
+    def test_cleansstate_task_distro_nonspecific(self):
+        self.run_test_cleansstate_task(['linux-libc-headers'], distro_specific=False, distro_nonspecific=True, temp_sstate_location=True)
+
+    def test_cleansstate_task_distro_specific(self):
+        targets = ['binutils-cross-'+ self.tune_arch, 'binutils-native']
+        targets.append('linux-libc-headers')
+        self.run_test_cleansstate_task(targets, distro_specific=True, distro_nonspecific=False, temp_sstate_location=True)
+
+class SStateDistroTests(SStateBase):
     def test_rebuild_distro_specific_sstate_cross_native_targets(self):
         self.run_test_rebuild_distro_specific_sstate(['binutils-cross-' + self.tune_arch, 'binutils-native'], temp_sstate_location=True)
 
@@ -163,48 +287,48 @@ class SStateTests(SStateBase):
     def test_rebuild_distro_specific_sstate_native_target(self):
         self.run_test_rebuild_distro_specific_sstate(['binutils-native'], temp_sstate_location=True)
 
-
+class SStateCacheManagement(SStateBase):
     # Test the sstate-cache-management script. Each element in the global_config list is used with the corresponding element in the target_config list
-    # global_config elements are expected to not generate any sstate files that would be removed by sstate-cache-management.sh (such as changing the value of MACHINE)
+    # global_config elements are expected to not generate any sstate files that would be removed by sstate-cache-management.py (such as changing the value of MACHINE)
     def run_test_sstate_cache_management_script(self, target, global_config=[''], target_config=[''], ignore_patterns=[]):
         self.assertTrue(global_config)
         self.assertTrue(target_config)
         self.assertTrue(len(global_config) == len(target_config), msg='Lists global_config and target_config should have the same number of elements')
-        self.config_sstate(temp_sstate_location=True, add_local_mirrors=[self.sstate_path])
 
-        # If buildhistory is enabled, we need to disable version-going-backwards
-        # QA checks for this test. It may report errors otherwise.
-        self.append_config('ERROR_QA_remove = "version-going-backwards"')
+        for idx in range(len(target_config)):
+            self.append_config(global_config[idx])
+            self.append_recipeinc(target, target_config[idx])
+            bitbake(target)
+            self.remove_config(global_config[idx])
+            self.remove_recipeinc(target, target_config[idx])
+
+        self.config_sstate(temp_sstate_location=True, add_local_mirrors=[self.sstate_path])
 
-        # For not this only checks if random sstate tasks are handled correctly as a group.
+        # For now this only checks if random sstate tasks are handled correctly as a group.
         # In the future we should add control over what tasks we check for.
 
-        sstate_archs_list = []
         expected_remaining_sstate = []
         for idx in range(len(target_config)):
             self.append_config(global_config[idx])
             self.append_recipeinc(target, target_config[idx])
-            sstate_arch = get_bb_var('SSTATE_PKGARCH', target)
-            if not sstate_arch in sstate_archs_list:
-                sstate_archs_list.append(sstate_arch)
             if target_config[idx] == target_config[-1]:
-                target_sstate_before_build = self.search_sstate(target + r'.*?\.tgz$')
+                target_sstate_before_build = self.search_sstate(target + r'.*?\.tar.zst$')
             bitbake("-cclean %s" % target)
             result = bitbake(target, ignore_status=True)
             if target_config[idx] == target_config[-1]:
-                target_sstate_after_build = self.search_sstate(target + r'.*?\.tgz$')
+                target_sstate_after_build = self.search_sstate(target + r'.*?\.tar.zst$')
                 expected_remaining_sstate += [x for x in target_sstate_after_build if x not in target_sstate_before_build if not any(pattern in x for pattern in ignore_patterns)]
             self.remove_config(global_config[idx])
             self.remove_recipeinc(target, target_config[idx])
             self.assertEqual(result.status, 0, msg = "build of %s failed with %s" % (target, result.output))
 
-        runCmd("sstate-cache-management.sh -y --cache-dir=%s --remove-duplicated --extra-archs=%s" % (self.sstate_path, ','.join(map(str, sstate_archs_list))))
-        actual_remaining_sstate = [x for x in self.search_sstate(target + r'.*?\.tgz$') if not any(pattern in x for pattern in ignore_patterns)]
+        runCmd("sstate-cache-management.py -y --cache-dir=%s --remove-duplicated" % (self.sstate_path))
+        actual_remaining_sstate = [x for x in self.search_sstate(target + r'.*?\.tar.zst$') if not any(pattern in x for pattern in ignore_patterns)]
 
         actual_not_expected = [x for x in actual_remaining_sstate if x not in expected_remaining_sstate]
-        self.assertFalse(actual_not_expected, msg="Files should have been removed but ware not: %s" % ', '.join(map(str, actual_not_expected)))
+        self.assertFalse(actual_not_expected, msg="Files should have been removed but were not: %s" % ', '.join(map(str, actual_not_expected)))
         expected_not_actual = [x for x in expected_remaining_sstate if x not in actual_remaining_sstate]
-        self.assertFalse(expected_not_actual, msg="Extra files ware removed: %s" ', '.join(map(str, expected_not_actual)))
+        self.assertFalse(expected_not_actual, msg="Extra files were removed: %s" ', '.join(map(str, expected_not_actual)))
 
     def test_sstate_cache_management_script_using_pr_1(self):
         global_config = []
@@ -242,6 +366,7 @@ class SStateTests(SStateBase):
         target_config.append('')
         self.run_test_sstate_cache_management_script('m4', global_config,  target_config, ignore_patterns=['populate_lic'])
 
+class SStateHashSameSigs(SStateBase):
     def test_sstate_32_64_same_hash(self):
         """
         The sstate checksums for both native and target should not vary whether
@@ -261,7 +386,7 @@ PACKAGE_CLASSES = "package_rpm package_ipk package_deb"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
         self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash")
-        bitbake("core-image-sato -S none")
+        bitbake("core-image-weston -S none")
         self.write_config("""
 MACHINE = "qemux86"
 TMPDIR = "${TOPDIR}/tmp-sstatesamehash2"
@@ -273,12 +398,12 @@ PACKAGE_CLASSES = "package_rpm package_ipk package_deb"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
         self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash2")
-        bitbake("core-image-sato -S none")
+        bitbake("core-image-weston -S none")
 
         def get_files(d):
             f = []
             for root, dirs, files in os.walk(d):
-                if "core-image-sato" in root:
+                if "core-image-weston" in root:
                     # SDKMACHINE changing will change
                     # do_rootfs/do_testimage/do_build stamps of images which
                     # is safe to ignore.
@@ -306,7 +431,7 @@ NATIVELSBSTRING = \"DistroA\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
         self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash")
-        bitbake("core-image-sato -S none")
+        bitbake("core-image-weston -S none")
         self.write_config("""
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash2\"
 TCLIBCAPPEND = \"\"
@@ -314,7 +439,7 @@ NATIVELSBSTRING = \"DistroB\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
         self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash2")
-        bitbake("core-image-sato -S none")
+        bitbake("core-image-weston -S none")
 
         def get_files(d):
             f = []
@@ -327,6 +452,7 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
         self.maxDiff = None
         self.assertCountEqual(files1, files2)
 
+class SStateHashSameSigs2(SStateBase):
     def test_sstate_allarch_samesigs(self):
         """
         The sstate checksums of allarch packages should be independent of whichever
@@ -341,13 +467,15 @@ TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86-64\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """
+        #OLDEST_KERNEL is arch specific so set to a different value here for testing
         configB = """
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash2\"
 TCLIBCAPPEND = \"\"
 MACHINE = \"qemuarm\"
+OLDEST_KERNEL = \"3.3.0\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """
-        self.sstate_allarch_samesigs(configA, configB)
+        self.sstate_common_samesigs(configA, configB, allarch=True)
 
     def test_sstate_nativesdk_samesigs_multilib(self):
         """
@@ -360,7 +488,7 @@ TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86-64\"
 require conf/multilib.conf
 MULTILIBS = \"multilib:lib32\"
-DEFAULTTUNE_virtclass-multilib-lib32 = \"x86\"
+DEFAULTTUNE:virtclass-multilib-lib32 = \"x86\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """
         configB = """
@@ -371,36 +499,9 @@ require conf/multilib.conf
 MULTILIBS = \"\"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """
-        self.sstate_allarch_samesigs(configA, configB)
-
-    def sstate_allarch_samesigs(self, configA, configB):
-
-        self.write_config(configA)
-        self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash")
-        bitbake("world meta-toolchain -S none")
-        self.write_config(configB)
-        self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash2")
-        bitbake("world meta-toolchain -S none")
-
-        def get_files(d):
-            f = {}
-            for root, dirs, files in os.walk(d):
-                for name in files:
-                    if "meta-environment" in root or "cross-canadian" in root:
-                        continue
-                    if "do_build" not in name:
-                        # 1.4.1+gitAUTOINC+302fca9f4c-r0.do_package_write_ipk.sigdata.f3a2a38697da743f0dbed8b56aafcf79
-                        (_, task, _, shash) = name.rsplit(".", 3)
-                        f[os.path.join(os.path.basename(root), task)] = shash
-            return f
-
-        nativesdkdir = os.path.basename(glob.glob(self.topdir + "/tmp-sstatesamehash/stamps/*-nativesdk*-linux")[0])
-
-        files1 = get_files(self.topdir + "/tmp-sstatesamehash/stamps/" + nativesdkdir)
-        files2 = get_files(self.topdir + "/tmp-sstatesamehash2/stamps/" + nativesdkdir)
-        self.maxDiff = None
-        self.assertEqual(files1, files2)
+        self.sstate_common_samesigs(configA, configB)
 
+class SStateHashSameSigs3(SStateBase):
     def test_sstate_sametune_samesigs(self):
         """
         The sstate checksums of two identical machines (using the same tune) should be the
@@ -414,7 +515,7 @@ TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86\"
 require conf/multilib.conf
 MULTILIBS = "multilib:lib32"
-DEFAULTTUNE_virtclass-multilib-lib32 = "x86"
+DEFAULTTUNE:virtclass-multilib-lib32 = "x86"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
         self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash")
@@ -425,7 +526,7 @@ TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86copy\"
 require conf/multilib.conf
 MULTILIBS = "multilib:lib32"
-DEFAULTTUNE_virtclass-multilib-lib32 = "x86"
+DEFAULTTUNE:virtclass-multilib-lib32 = "x86"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
         self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash2")
@@ -435,7 +536,7 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
             f = []
             for root, dirs, files in os.walk(d):
                 for name in files:
-                    if "meta-environment" in root or "cross-canadian" in root:
+                    if "meta-environment" in root or "cross-canadian" in root or 'meta-ide-support' in root:
                         continue
                     if "qemux86copy-" in root or "qemux86-" in root:
                         continue
@@ -462,7 +563,7 @@ TCLIBCAPPEND = \"\"
 MACHINE = \"qemux86\"
 require conf/multilib.conf
 MULTILIBS = "multilib:lib32"
-DEFAULTTUNE_virtclass-multilib-lib32 = "x86"
+DEFAULTTUNE:virtclass-multilib-lib32 = "x86"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
         self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash")
@@ -488,7 +589,7 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
         self.maxDiff = None
         self.assertCountEqual(files1, files2)
 
-
+class SStateHashSameSigs4(SStateBase):
     def test_sstate_noop_samesigs(self):
         """
         The sstate checksums of two builds with these variables changed or
@@ -503,7 +604,7 @@ PARALLEL_MAKE = "-j 1"
 DL_DIR = "${TOPDIR}/download1"
 TIME = "111111"
 DATE = "20161111"
-INHERIT_remove = "buildstats-summary buildhistory uninative"
+INHERIT:remove = "buildstats-summary buildhistory uninative"
 http_proxy = ""
 BB_SIGNATURE_HANDLER = "OEBasicHash"
 """)
@@ -519,7 +620,7 @@ DL_DIR = "${TOPDIR}/download2"
 TIME = "222222"
 DATE = "20161212"
 # Always remove uninative as we're changing proxies
-INHERIT_remove = "uninative"
+INHERIT:remove = "uninative"
 INHERIT += "buildstats-summary buildhistory"
 http_proxy = "http://example.com/"
 BB_SIGNATURE_HANDLER = "OEBasicHash"
@@ -573,3 +674,335 @@ BB_SIGNATURE_HANDLER = "OEBasicHash"
         compare_sigfiles(rest, files1, files2, compare=False)
 
         self.fail("sstate hashes not identical.")
+
+    def test_sstate_movelayer_samesigs(self):
+        """
+        The sstate checksums of two builds with the same oe-core layer in two
+        different locations should be the same.
+        """
+        core_layer = os.path.join(
+                    self.tc.td["COREBASE"], 'meta')
+        copy_layer_1 = self.topdir + "/meta-copy1/meta"
+        copy_layer_2 = self.topdir + "/meta-copy2/meta"
+
+        oe.path.copytree(core_layer, copy_layer_1)
+        os.symlink(os.path.dirname(core_layer) + "/scripts", self.topdir + "/meta-copy1/scripts")
+        self.write_config("""
+TMPDIR = "${TOPDIR}/tmp-sstatesamehash"
+""")
+        bblayers_conf = 'BBLAYERS += "%s"\nBBLAYERS:remove = "%s"' % (copy_layer_1, core_layer)
+        self.write_bblayers_config(bblayers_conf)
+        self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash")
+        bitbake("bash -S none")
+
+        oe.path.copytree(core_layer, copy_layer_2)
+        os.symlink(os.path.dirname(core_layer) + "/scripts", self.topdir + "/meta-copy2/scripts")
+        self.write_config("""
+TMPDIR = "${TOPDIR}/tmp-sstatesamehash2"
+""")
+        bblayers_conf = 'BBLAYERS += "%s"\nBBLAYERS:remove = "%s"' % (copy_layer_2, core_layer)
+        self.write_bblayers_config(bblayers_conf)
+        self.track_for_cleanup(self.topdir + "/tmp-sstatesamehash2")
+        bitbake("bash -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(self.topdir + "/tmp-sstatesamehash/stamps")
+        files2 = get_files(self.topdir + "/tmp-sstatesamehash2/stamps")
+        files2 = [x.replace("tmp-sstatesamehash2", "tmp-sstatesamehash") for x in files2]
+        self.maxDiff = None
+        self.assertCountEqual(files1, files2)
+
+class SStateFindSiginfo(SStateBase):
+    def test_sstate_compare_sigfiles_and_find_siginfo(self):
+        """
+        Test the functionality of the find_siginfo: basic function and callback in compare_sigfiles
+        """
+        self.write_config("""
+TMPDIR = \"${TOPDIR}/tmp-sstates-findsiginfo\"
+TCLIBCAPPEND = \"\"
+MACHINE = \"qemux86-64\"
+require conf/multilib.conf
+MULTILIBS = "multilib:lib32"
+DEFAULTTUNE:virtclass-multilib-lib32 = "x86"
+BB_SIGNATURE_HANDLER = "OEBasicHash"
+""")
+        self.track_for_cleanup(self.topdir + "/tmp-sstates-findsiginfo")
+
+        pns = ["binutils", "binutils-native", "lib32-binutils"]
+        target_configs = [
+"""
+TMPVAL1 = "tmpval1"
+TMPVAL2 = "tmpval2"
+do_tmptask1() {
+    echo ${TMPVAL1}
+}
+do_tmptask2() {
+    echo ${TMPVAL2}
+}
+addtask do_tmptask1
+addtask tmptask2 before do_tmptask1
+""",
+"""
+TMPVAL3 = "tmpval3"
+TMPVAL4 = "tmpval4"
+do_tmptask1() {
+    echo ${TMPVAL3}
+}
+do_tmptask2() {
+    echo ${TMPVAL4}
+}
+addtask do_tmptask1
+addtask tmptask2 before do_tmptask1
+"""
+        ]
+
+        for target_config in target_configs:
+            self.write_recipeinc("binutils", target_config)
+            for pn in pns:
+                bitbake("%s -c do_tmptask1 -S none" % pn)
+            self.delete_recipeinc("binutils")
+
+        with bb.tinfoil.Tinfoil() as tinfoil:
+            tinfoil.prepare(config_only=True)
+
+            def find_siginfo(pn, taskname, sigs=None):
+                result = None
+                command_complete = False
+                tinfoil.set_event_mask(["bb.event.FindSigInfoResult",
+                                "bb.command.CommandCompleted"])
+                ret = tinfoil.run_command("findSigInfo", pn, taskname, sigs)
+                if ret:
+                    while result is None or not command_complete:
+                        event = tinfoil.wait_event(1)
+                        if event:
+                            if isinstance(event, bb.command.CommandCompleted):
+                                command_complete = True
+                            elif isinstance(event, bb.event.FindSigInfoResult):
+                                result = event.result
+                return result
+
+            def recursecb(key, hash1, hash2):
+                nonlocal recursecb_count
+                recursecb_count += 1
+                hashes = [hash1, hash2]
+                hashfiles = find_siginfo(key, None, hashes)
+                self.assertCountEqual(hashes, hashfiles)
+                bb.siggen.compare_sigfiles(hashfiles[hash1]['path'], hashfiles[hash2]['path'], recursecb)
+
+            for pn in pns:
+                recursecb_count = 0
+                matches = find_siginfo(pn, "do_tmptask1")
+                self.assertGreaterEqual(len(matches), 2)
+                latesthashes = sorted(matches.keys(), key=lambda h: matches[h]['time'])[-2:]
+                bb.siggen.compare_sigfiles(matches[latesthashes[-2]]['path'], matches[latesthashes[-1]]['path'], recursecb)
+                self.assertEqual(recursecb_count,1)
+
+class SStatePrintdiff(SStateBase):
+    def run_test_printdiff_changerecipe(self, target, change_recipe, change_bbtask, change_content, expected_sametmp_output, expected_difftmp_output):
+        import time
+        self.write_config("""
+TMPDIR = "${{TOPDIR}}/tmp-sstateprintdiff-sametmp-{}"
+""".format(time.time()))
+        # Use runall do_build to ensure any indirect sstate is created, e.g. tzcode-native on both x86 and
+        # aarch64 hosts since only allarch target recipes depend upon it and it may not be built otherwise.
+        # A bitbake -c cleansstate tzcode-native would cause some of these tests to error for example.
+        bitbake("--runall build --runall deploy_source_date_epoch {}".format(target))
+        bitbake("-S none {}".format(target))
+        bitbake(change_bbtask)
+        self.write_recipeinc(change_recipe, change_content)
+        result_sametmp = bitbake("-S printdiff {}".format(target))
+
+        self.write_config("""
+TMPDIR = "${{TOPDIR}}/tmp-sstateprintdiff-difftmp-{}"
+""".format(time.time()))
+        result_difftmp = bitbake("-S printdiff {}".format(target))
+
+        self.delete_recipeinc(change_recipe)
+        for item in expected_sametmp_output:
+            self.assertIn(item, result_sametmp.output, msg = "Item {} not found in output:\n{}".format(item, result_sametmp.output))
+        for item in expected_difftmp_output:
+            self.assertIn(item, result_difftmp.output, msg = "Item {} not found in output:\n{}".format(item, result_difftmp.output))
+
+    def run_test_printdiff_changeconfig(self, target, change_bbtasks, change_content, expected_sametmp_output, expected_difftmp_output):
+        import time
+        self.write_config("""
+TMPDIR = "${{TOPDIR}}/tmp-sstateprintdiff-sametmp-{}"
+""".format(time.time()))
+        bitbake("--runall build --runall deploy_source_date_epoch {}".format(target))
+        bitbake("-S none {}".format(target))
+        bitbake(" ".join(change_bbtasks))
+        self.append_config(change_content)
+        result_sametmp = bitbake("-S printdiff {}".format(target))
+
+        self.write_config("""
+TMPDIR = "${{TOPDIR}}/tmp-sstateprintdiff-difftmp-{}"
+""".format(time.time()))
+        self.append_config(change_content)
+        result_difftmp = bitbake("-S printdiff {}".format(target))
+
+        for item in expected_sametmp_output:
+            self.assertIn(item, result_sametmp.output, msg = "Item {} not found in output:\n{}".format(item, result_sametmp.output))
+        for item in expected_difftmp_output:
+            self.assertIn(item, result_difftmp.output, msg = "Item {} not found in output:\n{}".format(item, result_difftmp.output))
+
+
+    # Check if printdiff walks the full dependency chain from the image target to where the change is in a specific recipe
+    def test_image_minimal_vs_perlcross(self):
+        expected_output = ("Task perlcross-native:do_install couldn't be used from the cache because:",
+"We need hash",
+"most recent matching task was")
+        expected_sametmp_output = expected_output + (
+"Variable do_install value changed",
+'+    echo "this changes the task signature"')
+        expected_difftmp_output = expected_output
+
+        self.run_test_printdiff_changerecipe("core-image-minimal", "perlcross", "-c do_install perlcross-native",
+"""
+do_install:append() {
+    echo "this changes the task signature"
+}
+""",
+expected_sametmp_output, expected_difftmp_output)
+
+    # Check if changes to gcc-source (which uses tmp/work-shared) are correctly discovered
+    def test_gcc_runtime_vs_gcc_source(self):
+        gcc_source_pn = 'gcc-source-%s' % get_bb_vars(['PV'], 'gcc')['PV']
+
+        expected_output = ("Task {}:do_preconfigure couldn't be used from the cache because:".format(gcc_source_pn),
+"We need hash",
+"most recent matching task was")
+        expected_sametmp_output = expected_output + (
+"Variable do_preconfigure value changed",
+'+    print("this changes the task signature")')
+        expected_difftmp_output = expected_output
+
+        self.run_test_printdiff_changerecipe("gcc-runtime", "gcc-source", "-c do_preconfigure {}".format(gcc_source_pn),
+"""
+python do_preconfigure:append() {
+    print("this changes the task signature")
+}
+""",
+expected_sametmp_output, expected_difftmp_output)
+
+    # Check if changing a really base task definiton is reported against multiple core recipes using it
+    def test_image_minimal_vs_base_do_configure(self):
+        change_bbtasks = ('zstd-native:do_configure',
+'texinfo-dummy-native:do_configure',
+'ldconfig-native:do_configure',
+'gettext-minimal-native:do_configure',
+'tzcode-native:do_configure',
+'makedevs-native:do_configure',
+'pigz-native:do_configure',
+'update-rc.d-native:do_configure',
+'unzip-native:do_configure',
+'gnu-config-native:do_configure')
+
+        expected_output = ["Task {} couldn't be used from the cache because:".format(t) for t in change_bbtasks] + [
+"We need hash",
+"most recent matching task was"]
+
+        expected_sametmp_output = expected_output + [
+"Variable base_do_configure value changed",
+'+      echo "this changes base_do_configure() definiton "']
+        expected_difftmp_output = expected_output
+
+        self.run_test_printdiff_changeconfig("core-image-minimal",change_bbtasks,
+"""
+INHERIT += "base-do-configure-modified"
+""",
+expected_sametmp_output, expected_difftmp_output)
+
+@OETestTag("yocto-mirrors")
+class SStateMirrors(SStateBase):
+    def check_bb_output(self, output, exceptions, check_cdn):
+        def is_exception(object, exceptions):
+            for e in exceptions:
+                if re.search(e, object):
+                    return True
+            return False
+
+        output_l = output.splitlines()
+        for l in output_l:
+            if l.startswith("Sstate summary"):
+                for idx, item in enumerate(l.split()):
+                    if item == 'Missed':
+                        missing_objects = int(l.split()[idx+1])
+                        break
+                else:
+                    self.fail("Did not find missing objects amount in sstate summary: {}".format(l))
+                break
+        else:
+            self.fail("Did not find 'Sstate summary' line in bitbake output")
+
+        failed_urls = []
+        failed_urls_extrainfo = []
+        for l in output_l:
+            if "SState: Unsuccessful fetch test for" in l and check_cdn:
+                missing_object = l.split()[6]
+            elif "SState: Looked for but didn't find file" in l and not check_cdn:
+                missing_object = l.split()[8]
+            else:
+                missing_object = None
+            if missing_object:
+                if not is_exception(missing_object, exceptions):
+                    failed_urls.append(missing_object)
+                else:
+                    missing_objects -= 1
+
+            if "urlopen failed for" in l and not is_exception(l, exceptions):
+                failed_urls_extrainfo.append(l)
+
+        self.assertEqual(len(failed_urls), missing_objects, "Amount of reported missing objects does not match failed URLs: {}\nFailed URLs:\n{}\nFetcher diagnostics:\n{}".format(missing_objects, "\n".join(failed_urls), "\n".join(failed_urls_extrainfo)))
+        self.assertEqual(len(failed_urls), 0, "Missing objects in the cache:\n{}\nFetcher diagnostics:\n{}".format("\n".join(failed_urls), "\n".join(failed_urls_extrainfo)))
+
+    def run_test(self, machine, targets, exceptions, check_cdn = True, ignore_errors = False):
+        # sstate is checked for existence of these, but they never get written out to begin with
+        exceptions += ["{}.*image_qa".format(t) for t in targets.split()]
+        exceptions += ["{}.*deploy_source_date_epoch".format(t) for t in targets.split()]
+        exceptions += ["{}.*image_complete".format(t) for t in targets.split()]
+        exceptions += ["linux-yocto.*shared_workdir"]
+        # these get influnced by IMAGE_FSTYPES tweaks in yocto-autobuilder-helper's config.json (on x86-64)
+        # additionally, they depend on noexec (thus, absent stamps) package, install, etc. image tasks,
+        # which makes tracing other changes difficult
+        exceptions += ["{}.*create_spdx".format(t) for t in targets.split()]
+        exceptions += ["{}.*create_runtime_spdx".format(t) for t in targets.split()]
+
+        if check_cdn:
+            self.config_sstate(True)
+            self.append_config("""
+MACHINE = "{}"
+BB_HASHSERVE_UPSTREAM = "hashserv.yocto.io:8687"
+SSTATE_MIRRORS ?= "file://.* http://cdn.jsdelivr.net/yocto/sstate/all/PATH;downloadfilename=PATH"
+""".format(machine))
+        else:
+            self.append_config("""
+MACHINE = "{}"
+""".format(machine))
+        result = bitbake("-DD -n {}".format(targets))
+        bitbake("-S none {}".format(targets))
+        if ignore_errors:
+            return
+        self.check_bb_output(result.output, exceptions, check_cdn)
+
+    def test_cdn_mirror_qemux86_64(self):
+        exceptions = []
+        self.run_test("qemux86-64", "core-image-minimal core-image-full-cmdline core-image-sato-sdk", exceptions, ignore_errors = True)
+        self.run_test("qemux86-64", "core-image-minimal core-image-full-cmdline core-image-sato-sdk", exceptions)
+
+    def test_cdn_mirror_qemuarm64(self):
+        exceptions = []
+        self.run_test("qemuarm64", "core-image-minimal core-image-full-cmdline core-image-sato-sdk", exceptions, ignore_errors = True)
+        self.run_test("qemuarm64", "core-image-minimal core-image-full-cmdline core-image-sato-sdk", exceptions)
+
+    def test_local_cache_qemux86_64(self):
+        exceptions = []
+        self.run_test("qemux86-64", "core-image-minimal core-image-full-cmdline core-image-sato-sdk", exceptions, check_cdn = False)
+
+    def test_local_cache_qemuarm64(self):
+        exceptions = []
+        self.run_test("qemuarm64", "core-image-minimal core-image-full-cmdline core-image-sato-sdk", exceptions, check_cdn = False)