From b7a7c4113c231e73a1719204cefe8d82d0047e96 Mon Sep 17 00:00:00 2001 From: Quentin Schulz Date: Mon, 9 Jul 2018 19:16:30 +0200 Subject: [PATCH] test/py: add test for whitelist of variables while importing environment This tests that the importing of an environment with a specified whitelist works as intended. If there are variables passed as parameter to the env import command, those only should be imported in the current environment. For each variable passed as parameter, if - foo is bar in current env and bar2 in exported env, after importing exported env, foo shall be bar2, - foo does not exist in current env and foo is bar2 in exported env, after importing exported env, foo shall be bar2, - foo is bar in current env and does not exist in exported env (but is passed as parameter), after importing exported env, foo shall be empty ONLY if the -d option is passed to env import, otherwise foo shall be bar, Any variable not passed as parameter should be left untouched. Two other tests are made to test that size cannot be '-' if the checksum protection is enabled. Signed-off-by: Quentin Schulz Reviewed-by: Simon Glass Reviewed-by: Stephen Warren Tested-by: Stephen Warren --- test/py/tests/test_env.py | 97 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) diff --git a/test/py/tests/test_env.py b/test/py/tests/test_env.py index bfb5fc0..9bdaef9 100644 --- a/test/py/tests/test_env.py +++ b/test/py/tests/test_env.py @@ -5,6 +5,7 @@ # Test operation of shell commands relating to environment variables. import pytest +import u_boot_utils # FIXME: This might be useful for other tests; # perhaps refactor it into ConsoleBase or some other state object? @@ -239,3 +240,99 @@ def test_env_expansion_spaces(state_test_env): unset_var(state_test_env, var_space) if var_test: unset_var(state_test_env, var_test) + +@pytest.mark.buildconfigspec('cmd_importenv') +def test_env_import_checksum_no_size(state_test_env): + """Test that omitted ('-') size parameter with checksum validation fails the + env import function. + """ + c = state_test_env.u_boot_console + ram_base = u_boot_utils.find_ram_base(state_test_env.u_boot_console) + addr = '%08x' % ram_base + + with c.disable_check('error_notification'): + response = c.run_command('env import -c %s -' % addr) + assert(response == '## Error: external checksum format must pass size') + +@pytest.mark.buildconfigspec('cmd_importenv') +def test_env_import_whitelist_checksum_no_size(state_test_env): + """Test that omitted ('-') size parameter with checksum validation fails the + env import function when variables are passed as parameters. + """ + c = state_test_env.u_boot_console + ram_base = u_boot_utils.find_ram_base(state_test_env.u_boot_console) + addr = '%08x' % ram_base + + with c.disable_check('error_notification'): + response = c.run_command('env import -c %s - foo1 foo2 foo4' % addr) + assert(response == '## Error: external checksum format must pass size') + +@pytest.mark.buildconfigspec('cmd_exportenv') +@pytest.mark.buildconfigspec('cmd_importenv') +def test_env_import_whitelist(state_test_env): + """Test importing only a handful of env variables from an environment.""" + c = state_test_env.u_boot_console + ram_base = u_boot_utils.find_ram_base(state_test_env.u_boot_console) + addr = '%08x' % ram_base + + set_var(state_test_env, 'foo1', 'bar1') + set_var(state_test_env, 'foo2', 'bar2') + set_var(state_test_env, 'foo3', 'bar3') + + c.run_command('env export %s' % addr) + + unset_var(state_test_env, 'foo1') + set_var(state_test_env, 'foo2', 'test2') + set_var(state_test_env, 'foo4', 'bar4') + + # no foo1 in current env, foo2 overridden, foo3 should be of the value + # before exporting and foo4 should be of the value before importing. + c.run_command('env import %s - foo1 foo2 foo4' % addr) + + validate_set(state_test_env, 'foo1', 'bar1') + validate_set(state_test_env, 'foo2', 'bar2') + validate_set(state_test_env, 'foo3', 'bar3') + validate_set(state_test_env, 'foo4', 'bar4') + + # Cleanup test environment + unset_var(state_test_env, 'foo1') + unset_var(state_test_env, 'foo2') + unset_var(state_test_env, 'foo3') + unset_var(state_test_env, 'foo4') + +@pytest.mark.buildconfigspec('cmd_exportenv') +@pytest.mark.buildconfigspec('cmd_importenv') +def test_env_import_whitelist_delete(state_test_env): + + """Test importing only a handful of env variables from an environment, with. + deletion if a var A that is passed to env import is not in the + environment to be imported. + """ + c = state_test_env.u_boot_console + ram_base = u_boot_utils.find_ram_base(state_test_env.u_boot_console) + addr = '%08x' % ram_base + + set_var(state_test_env, 'foo1', 'bar1') + set_var(state_test_env, 'foo2', 'bar2') + set_var(state_test_env, 'foo3', 'bar3') + + c.run_command('env export %s' % addr) + + unset_var(state_test_env, 'foo1') + set_var(state_test_env, 'foo2', 'test2') + set_var(state_test_env, 'foo4', 'bar4') + + # no foo1 in current env, foo2 overridden, foo3 should be of the value + # before exporting and foo4 should be empty. + c.run_command('env import -d %s - foo1 foo2 foo4' % addr) + + validate_set(state_test_env, 'foo1', 'bar1') + validate_set(state_test_env, 'foo2', 'bar2') + validate_set(state_test_env, 'foo3', 'bar3') + validate_empty(state_test_env, 'foo4') + + # Cleanup test environment + unset_var(state_test_env, 'foo1') + unset_var(state_test_env, 'foo2') + unset_var(state_test_env, 'foo3') + unset_var(state_test_env, 'foo4')