Squashed 'poky/' content from commit 4469acdf1d

git-subtree-dir: poky
git-subtree-split: 4469acdf1d0338220f3fe2ecb5e079eea6fda375

scripts/lib/checklayer/cases/common.py

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+# Copyright (C) 2017 Intel Corporation
+# Released under the MIT license (see COPYING.MIT)
+
+import glob
+import os
+import unittest
+from checklayer import get_signatures, LayerType, check_command, get_depgraph, compare_signatures
+from checklayer.case import OECheckLayerTestCase
+
+class CommonCheckLayer(OECheckLayerTestCase):
+    def test_readme(self):
+        # The top-level README file may have a suffix (like README.rst or README.txt).
+        readme_files = glob.glob(os.path.join(self.tc.layer['path'], 'README*'))
+        self.assertTrue(len(readme_files) > 0,
+                        msg="Layer doesn't contains README file.")
+
+        # There might be more than one file matching the file pattern above
+        # (for example, README.rst and README-COPYING.rst). The one with the shortest
+        # name is considered the "main" one.
+        readme_file = sorted(readme_files)[0]
+        data = ''
+        with open(readme_file, 'r') as f:
+            data = f.read()
+        self.assertTrue(data,
+                msg="Layer contains a README file but it is empty.")
+
+    def test_parse(self):
+        check_command('Layer %s failed to parse.' % self.tc.layer['name'],
+                      'bitbake -p')
+
+    def test_show_environment(self):
+        check_command('Layer %s failed to show environment.' % self.tc.layer['name'],
+                      'bitbake -e')
+
+    def test_world(self):
+        '''
+        "bitbake world" is expected to work. test_signatures does not cover that
+        because it is more lenient and ignores recipes in a world build that
+        are not actually buildable, so here we fail when "bitbake -S none world"
+        fails.
+        '''
+        get_signatures(self.td['builddir'], failsafe=False)
+
+    def test_signatures(self):
+        if self.tc.layer['type'] == LayerType.SOFTWARE and \
+           not self.tc.test_software_layer_signatures:
+            raise unittest.SkipTest("Not testing for signature changes in a software layer %s." \
+                     % self.tc.layer['name'])
+
+        curr_sigs, _ = get_signatures(self.td['builddir'], failsafe=True)
+        msg = compare_signatures(self.td['sigs'], curr_sigs)
+        if msg is not None:
+            self.fail('Adding layer %s changed signatures.\n%s' % (self.tc.layer['name'], msg))