modules: add charset connection option

tests/integration/targets/test_mysql_user/defaults/main.yml

@@ -10,11 +10,13 @@ user_name_1: 'db_user1'
 user_name_2: 'db_user2'
 user_name_3: 'db_user3'
 user_name_4: 'db_user4'
+user_name_5: 'db_user5'
 
 user_password_1: 'gadfFDSdtTU^Sdfuj'
 user_password_2: 'jkFKUdfhdso78yi&td'
 user_password_3: 'jkFKUdfhdso78yi&tk'
 user_password_4: 's2R#7pLV31!ZJrXPa3'
+user_password_5: '£gadfFDSdtTU^Sdfuj'
 
 root_password: 'zevuR6oPh7'
 

tests/integration/targets/test_mysql_user/tasks/main.yml

@@ -265,6 +265,9 @@
     # Tests for the priv parameter with dict value (https://github.com/ansible/ansible/issues/57533)
     - include: test_priv_dict.yml
 
+    # Test charset option
+    - include: test_charset.yml
+
     # Test that append_privs will not attempt to make a change where current privileges are a superset of new privileges
     # (https://github.com/ansible-collections/community.mysql/issues/69)
     - include: test_priv_append.yml enable_check_mode=no

tests/integration/targets/test_mysql_user/tasks/test_charset.yml

@@ -0,0 +1,97 @@
+- vars:
+    mysql_parameters: &mysql_params
+      login_user: '{{ mysql_user }}'
+      login_password: '{{ mysql_password }}'
+      login_host: 127.0.0.1
+      login_port: '{{ mysql_primary_port }}'
+
+  block:
+
+    #- name: Change database charset
+    #  mysql_query:
+    #    <<: *mysql_params
+    #    query: ALTER DATABASE mysql CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci
+
+    #- name: Change user table charset
+    #  mysql_query:
+    #    <<: *mysql_params
+    #    query: ALTER TABLE mysql.user CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci
+
+    - name: Show charset settings
+      mysql_query:
+        <<: *mysql_params
+        query: "SHOW SESSION VARIABLES LIKE 'character_set_%'"
+      register: result
+    - assert:
+        that:
+        - result is succeeded
+
+    - name: Show collation settings
+      mysql_query:
+        <<: *mysql_params
+        query: "SHOW SESSION VARIABLES LIKE 'collation_connection%'"
+      register: result
+    - assert:
+        that:
+        - result is succeeded
+
+    - name: Show charset settings
+      mysql_query:
+        <<: *mysql_params
+        query: "SELECT @@character_set_client"
+      register: result
+    - assert:
+        that:
+        - result is succeeded
+
+    - name: Create user with default charset
+      mysql_user:
+        <<: *mysql_params
+        name: '{{ user_name_5 }}'
+        password: '{{ user_password_5 }}'
+        state: present
+
+    - name: Try to get connect and get info, must fail
+      mysql_query:
+        login_host: 127.0.0.1
+        login_port: '{{ mysql_primary_port }}'
+        login_user: '{{ user_name_5 }}'
+        login_password: '{{ user_password_5 }}'
+        query: 'SHOW DATABASES'
+      register: result
+      ignore_errors: yes
+
+    - name: Assert that the previous task failed
+      assert:
+        that:
+        - result is failed
+
+    - name: Drop user
+      mysql_user:
+        <<: *mysql_params
+        name: '{{ user_name_5 }}'
+        password: '{{ user_password_5 }}'
+        state: absent
+
+    - name: Create user with utf8mb4 charset
+      mysql_user:
+        <<: *mysql_params
+        name: '{{ user_name_5 }}'
+        password: '{{ user_password_5 }}'
+        state: present
+        charset: utf8mb4
+
+    - name: Try to get connect and get info, must succeed
+      mysql_query:
+        login_host: 127.0.0.1
+        login_port: '{{ mysql_primary_port }}'
+        login_user: '{{ user_name_5 }}'
+        login_password: '{{ user_password_5 }}'
+        query: 'SHOW DATABASES'
+        charset: utf8mb4
+      register: result
+
+    - name: Assert that the previous task failed
+      assert:
+        that:
+        - result is succeeded