test/py: avb2.0: add tests for avb commands
1. Run AVB 2.0 full verification chain, avb verify
2. Check if 'avb get_uuid' works, compare results with
'part list mmc 1' output
3. Test `avb read` commands, which reads N bytes from a partition
identified by a name
Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
diff --git a/test/py/tests/test_avb.py b/test/py/tests/test_avb.py
new file mode 100644
index 0000000..770bdde
--- /dev/null
+++ b/test/py/tests/test_avb.py
@@ -0,0 +1,111 @@
+# Copyright (c) 2018, Linaro Limited
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Android Verified Boot 2.0 Test
+
+"""
+This tests Android Verified Boot 2.0 support in U-boot:
+
+For additional details about how to build proper vbmeta partition
+check doc/README.avb2
+
+For configuration verification:
+- Corrupt boot partition and check for failure
+- Corrupt vbmeta partition and check for failure
+"""
+
+import pytest
+import u_boot_utils as util
+
+# defauld mmc id
+mmc_dev = 1
+temp_addr = 0x90000000
+temp_addr2 = 0x90002000
+
+def test_avb_verify(u_boot_console):
+ """Run AVB 2.0 boot verification chain with avb subset of commands
+ """
+
+ success_str = "Verification passed successfully"
+
+ response = u_boot_console.run_command('avb init %s' %str(mmc_dev))
+ assert response == ''
+ response = u_boot_console.run_command('avb verify')
+ assert response.find(success_str)
+
+
+def test_avb_mmc_uuid(u_boot_console):
+ """Check if 'avb get_uuid' works, compare results with
+ 'part list mmc 1' output
+ """
+
+ response = u_boot_console.run_command('avb init %s' % str(mmc_dev))
+ assert response == ''
+
+ response = u_boot_console.run_command('mmc rescan; mmc dev %s' %
+ str(mmc_dev))
+ assert response.find('is current device')
+
+ part_lines = u_boot_console.run_command('mmc part').splitlines()
+ part_list = {}
+ cur_partname = ""
+
+ for line in part_lines:
+ if "\"" in line:
+ start_pt = line.find("\"")
+ end_pt = line.find("\"", start_pt + 1)
+ cur_partname = line[start_pt + 1: end_pt]
+
+ if "guid:" in line:
+ guid_to_check = line.split("guid:\t")
+ part_list[cur_partname] = guid_to_check[1]
+
+ # lets check all guids with avb get_guid
+ for part, guid in part_list.iteritems():
+ avb_guid_resp = u_boot_console.run_command('avb get_uuid %s' % part)
+ assert guid == avb_guid_resp.split("UUID: ")[1]
+
+
+def test_avb_read_rb(u_boot_console):
+ """Test reading rollback indexes
+ """
+
+ response = u_boot_console.run_command('avb init %s' % str(mmc_dev))
+ assert response == ''
+
+ response = u_boot_console.run_command('avb read_rb 1')
+
+
+def test_avb_is_unlocked(u_boot_console):
+ """Test if device is in the unlocked state
+ """
+
+ response = u_boot_console.run_command('avb init %s' % str(mmc_dev))
+ assert response == ''
+
+ response = u_boot_console.run_command('avb is_unlocked')
+
+
+def test_avb_mmc_read(u_boot_console):
+ """Test mmc read operation
+ """
+
+ response = u_boot_console.run_command('mmc rescan; mmc dev %s 0' %
+ str(mmc_dev))
+ assert response.find('is current device')
+
+ response = u_boot_console.run_command('mmc read 0x%x 0x100 0x1' % temp_addr)
+ assert response.find('read: OK')
+
+ response = u_boot_console.run_command('avb init %s' % str(mmc_dev))
+ assert response == ''
+
+ response = u_boot_console.run_command('avb read_part xloader 0 100 0x%x' %
+ temp_addr2)
+ assert response.find('Read 512 bytes')
+
+ # Now lets compare two buffers
+ response = u_boot_console.run_command('cmp 0x%x 0x%x 40' %
+ (temp_addr, temp_addr2))
+ assert response.find('64 word')