Display a more informative error when InvalidPrivsError is raised (#465) (#466)

* Display a more informative error when InvalidPrivsError is raised (Issue #465)

Co-authored-by: Laurent Indermühle <laurent.indermuehle@pm.me>

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

@@ -281,6 +281,10 @@
     - include: test_priv_subtract.yml enable_check_mode=no
     - include: test_priv_subtract.yml enable_check_mode=yes
 
+    - import_tasks: test_privs_issue_465.yml
+      tags:
+        - issue_465
+
     # Tests for the TLS requires dictionary
     - include: tls_requirements.yml
 

tests/integration/targets/test_mysql_user/tasks/test_privs_issue_465.yml

@@ -0,0 +1,31 @@
+---
+# test code for privileges for mysql_user module - issue 465
+
+- 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: create a user with parameters that will always cause an exception
+      mysql_user:
+        <<: *mysql_params
+        name: user_issue_465
+        password: a_test_password_465
+        priv: '*.{{ db_name }}:SELECT'
+        state: present
+      ignore_errors: true
+      register: result
+
+    - name: assert output message for current privileges
+      assert:
+        that:
+          - result is failed
+          - result.msg is search('invalid priv string')
+          - result.msg is search('params')
+          - result.msg is search('query')
+          - result.msg is search('exception')