oeqa/selftest/externalsrc: add test for srctree_hash_files

(From OE-Core rev: 7b9728e5b8bdf1193c1304ec3beeca4b5bf8d2da)

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/selftest/cases/externalsrc.py

@@ -0,0 +1,44 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+import os
+import shutil
+import tempfile
+
+from oeqa.selftest.case import OESelftestTestCase
+from oeqa.utils.commands import get_bb_var, runCmd
+
+class ExternalSrc(OESelftestTestCase):
+    # test that srctree_hash_files does not crash
+    # we should be actually checking do_compile[file-checksums] but oeqa currently does not support it
+    #     so we check only that a recipe with externalsrc can be parsed
+    def test_externalsrc_srctree_hash_files(self):
+        test_recipe = "git-submodule-test"
+        git_url = "git://git.yoctoproject.org/git-submodule-test"
+        externalsrc_dir = tempfile.TemporaryDirectory(prefix="externalsrc").name
+
+        self.write_config(
+            """
+INHERIT += "externalsrc"
+EXTERNALSRC:pn-%s = "%s"
+""" % (test_recipe, externalsrc_dir)
+        )
+
+        # test with git without submodules
+        runCmd('git clone %s %s' % (git_url, externalsrc_dir))
+        os.unlink(externalsrc_dir + "/.gitmodules")
+        open(".gitmodules", 'w').close()  # local file .gitmodules in cwd should not affect externalsrc parsing
+        self.assertEqual(get_bb_var("S", test_recipe), externalsrc_dir, msg = "S does not equal to EXTERNALSRC")
+        os.unlink(".gitmodules")
+
+        # test with git with submodules
+        runCmd('git checkout .gitmodules', cwd=externalsrc_dir)
+        runCmd('git submodule update --init --recursive', cwd=externalsrc_dir)
+        self.assertEqual(get_bb_var("S", test_recipe), externalsrc_dir, msg = "S does not equal to EXTERNALSRC")
+
+        # test without git
+        shutil.rmtree(os.path.join(externalsrc_dir, ".git"))
+        self.assertEqual(get_bb_var("S", test_recipe), externalsrc_dir, msg = "S does not equal to EXTERNALSRC")