[elbe-devel] [PATCH 10/10] tests: simple-validation-image: test GRUB installation

[Thomas Weißschuh]

Make sure that a GRUB configuration exists, contains the right correct entry
for the root filesystem and that a GRUB image has been written to the MBR.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh at linutronix.de>
---
 tests/simple-validation-image-test.py | 13 ++++++++++---
 tests/simple-validation-image.xml     |  3 +++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/tests/simple-validation-image-test.py b/tests/simple-validation-image-test.py
index 98edffd8c24bd927b22e538039a94c9e05d017a1..a1aee1a8a8907e0fe501b7623b8051ac9ff24793 100755
--- a/tests/simple-validation-image-test.py
+++ b/tests/simple-validation-image-test.py
@@ -217,7 +217,13 @@ def _test_excursions(root):
     """).strip()
 
 
-def _test_rfs_partition(build_dir, part):
+def _test_grub(img, root, root_uuid):
+    grub_cfg = root.joinpath('boot', 'grub', 'grub.cfg').read_text()
+    assert f'root=UUID={root_uuid}' in grub_cfg
+    assert b'GRUB' in img.read_at(512, 0)  # GRUB in MBR
+
+
+def _test_rfs_partition(build_dir, img, part):
     assert part.number == 1
     assert part.start == 1 * 1024 * 1024
     assert part.size == 999 * 1024 * 1024
@@ -230,7 +236,7 @@ def _test_rfs_partition(build_dir, part):
 
     with part.files() as root:
         statvfs = elbevalidate.statvfs(root)
-        assert statvfs.f_bfree * statvfs.f_bsize > 300 * 1024 * 1024
+        assert statvfs.f_bfree * statvfs.f_bsize > 100 * 1024 * 1024
 
         assert root.joinpath('etc', 'hostname').read_text() == 'validation-image'
         assert root.joinpath('etc', 'mailname').read_text() == 'validation-image.elbe-ci'
@@ -286,6 +292,7 @@ def _test_rfs_partition(build_dir, part):
         _test_finetuning(root)
         _test_archive(root)
         _test_excursions(root)
+        _test_grub(img, root, blkid['UUID'])
 
 
 def test_image(build_dir):
@@ -298,7 +305,7 @@ def test_image(build_dir):
         partitions = img.partitions
         assert len(partitions) == 1
 
-        _test_rfs_partition(build_dir, partitions[0])
+        _test_rfs_partition(build_dir, img, partitions[0])
 
 
 if __name__ == '__main__':
diff --git a/tests/simple-validation-image.xml b/tests/simple-validation-image.xml
index 4a4e0f6e815342f2a447580aaec2077a012797a4..d198f7869c589acfe719b69af880dbb84fd4f084 100644
--- a/tests/simple-validation-image.xml
+++ b/tests/simple-validation-image.xml
@@ -49,6 +49,7 @@ SPDX-FileCopyrightText: Linutronix GmbH
 			<msdoshd>
 				<name>sda.img</name>
 				<size>1000MiB</size>
+				<grub-install />
 				<partition>
 					<size>remain</size>
 					<label>rfs</label>
@@ -71,6 +72,8 @@ SPDX-FileCopyrightText: Linutronix GmbH
 		<pkg-list>
 			<pkg>unzip</pkg>
 			<pkg>libgpio1</pkg>
+			<pkg>linux-image-amd64</pkg>
+			<pkg>grub-pc</pkg>
 		</pkg-list>
 
 		<finetuning>

-- 
2.48.1