[PATCH 3/4] test: py: add simple EFI loader integration test

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Boot into a Linux image (assumes journald) and check that the system was
UEFI booted by barebox.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 test/py/test_linux_efiloader.py | 59 +++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 test/py/test_linux_efiloader.py

diff --git a/test/py/test_linux_efiloader.py b/test/py/test_linux_efiloader.py
new file mode 100644
index 000000000000..22531bff81f4
--- /dev/null
+++ b/test/py/test_linux_efiloader.py
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+import re
+import pytest
+
+
+def get_dmesg(shell):
+    stdout, _, ret = shell.run("journalctl -k --no-pager --grep efi -o cat")
+    assert ret == 0
+    return stdout
+
+
+@pytest.mark.lg_feature(['bootable', 'efi'])
+def test_efi_kernel_no_warn(shell):
+    stdout, stderr, ret = shell.run("journalctl -k --no-pager --grep efi -o cat -p warning")
+    assert stdout == []
+    assert stderr == []
+
+
+@pytest.mark.lg_feature(['bootable', 'efi'])
+def test_expected_efi_messages(shell, env):
+    dmesg = get_dmesg(shell)
+
+    expected_patterns = [
+        r"efi:\s+EFI v2\.8 by barebox",
+        r"Remapping and enabling EFI services\.",
+        r"efivars:\s+Registered efivars operations",
+    ]
+
+    for pattern in expected_patterns:
+        assert re.search(pattern, "\n".join(dmesg)), \
+               f"Missing expected EFI message: {pattern}"
+
+
+@pytest.mark.lg_feature(['bootable', 'efi'])
+def test_efi_systab(shell, env):
+    stdout, stderr, ret = shell.run("cat /sys/firmware/efi/systab")
+    assert ret == 0
+    assert stderr == []
+    assert len(stdout) > 0
+
+    expected_patterns = [
+    ]
+
+    if 'smbios' in env.get_target_features():
+        expected_patterns.append(r"SMBIOS3=")
+
+    for pattern in expected_patterns:
+        assert re.search(pattern, "\n".join(stdout)), \
+               f"Missing expected entry in systab : {pattern}"
+
+
+@pytest.mark.lg_feature(['bootable', 'efi'])
+def test_efivars_filesystem_not_empty(shell):
+    # Directory must not be empty
+    stdout, _, ret = shell.run("ls -1 /sys/firmware/efi/efivars")
+    assert ret == 0
+
+    assert len(stdout), "EFI variables directory is empty"
-- 
2.47.3