community.general/test/integration/roles/test_mysql_variables/tasks/assert_var.yml

# test code to assert variables in mysql_variables module
# (c) 2014,  Wayne Rosario <wrosario@ansible.com>

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# ============================================================
# Assert mysql variable name and value from mysql database
#
- name: assert output message changed value 
  assert: { that: "output.changed == {{changed}}" }

- name: run mysql command to show variable 
  command: mysql "-e show variables like '{{var_name}}';"
  register: result

- name: assert output mysql variable name and value
  assert:
    that:
       - "result.changed == true"
       - "'{{var_name}}' in result.stdout"
       - "'{{var_value}}' in result.stdout"