test: do no assume hush parser in validate_empty()
The environment variable test uses function validate_empty() to check that a variable is not defined. If the hush parser is not enabled, we cannot refer to a variable by $var_name but only by ${var_name}. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Acked-by: Stephen Warren <swarren@nvidia.com>
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@ -151,7 +151,7 @@ def validate_empty(state_test_env, var):
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Nothing.
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"""
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response = state_test_env.u_boot_console.run_command('echo $%s' % var)
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response = state_test_env.u_boot_console.run_command('echo ${%s}' % var)
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assert response == ''
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def validate_set(state_test_env, var, value):
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