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04_setting_env_variables.md

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04_setting_env_variables.md

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Setting env variables

env steps can be used to set env variables. Each non-empty row of the env code block is passed to env of future test steps.

# Test for empty string
test -z "$example_var"

The above test will fail because $example_var is not set (or it is empty). Let's defined it in a env block.

example_var=Example value

another_var=Another value

The variable is now defined in following test steps.

# Test for non-empty string
test -n "$example_var"
test -n "$another_var"

The environment variables defined in env code-block can be overridden by defining environment variable with the same name in the mdtest command using -e/--env parameter, for example --env TARGET=TEST.