ansible/test/integration/targets/mysql_user/tasks/assert_no_user.yml

# test code to assert no mysql user
# (c) 2014,  Wayne Rosario <wrosario@ansible.com>

# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
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# ============================================================
- name: run command to query for mysql user
  command: mysql "-e SELECT User FROM mysql.user where user='{{ user_name }}';"
  register: result

- name: assert mysql user is not present
  assert: { that: "'{{ user_name }}' not in result.stdout" }