Add elb_application_lb tests for modifying listeners (#40716)

test/integration/targets/elb_application_lb/tasks/test_modifying_alb_listeners.yml

@@ -0,0 +1,147 @@
+- block:
+
+  - name: set connection information for all tasks
+    set_fact:
+      aws_connection_info: &aws_connection_info
+        aws_access_key: "{{ aws_access_key }}"
+        aws_secret_key: "{{ aws_secret_key }}"
+        security_token: "{{ security_token }}"
+        region: "{{ aws_region }}"
+    no_log: yes
+
+  - name: add a rule to the listener
+    elb_application_lb:
+      name: "{{ alb_name }}"
+      subnets: "{{ alb_subnets }}"
+      security_groups: "{{ sec_group.group_id }}"
+      state: present
+      listeners:
+        - Protocol: HTTP
+          Port: 80
+          DefaultActions:
+            - Type: forward
+              TargetGroupName: "{{ tg_name }}"
+          Rules:
+            - Conditions:
+                - Field: path-pattern
+                  Values:
+                    - '/test'
+              Priority: '1'
+              Actions:
+                - TargetGroupName: "{{ tg_name }}"
+                  Type: forward
+      <<: *aws_connection_info
+    register: alb
+
+  - assert:
+      that:
+        - alb.changed
+        - alb.listeners[0].rules|length == 2
+
+  - name: test replacing the rule with one with the same priority
+    elb_application_lb:
+      name: "{{ alb_name }}"
+      subnets: "{{ alb_subnets }}"
+      security_groups: "{{ sec_group.group_id }}"
+      state: present
+      purge_listeners: true
+      listeners:
+        - Protocol: HTTP
+          Port: 80
+          DefaultActions:
+            - Type: forward
+              TargetGroupName: "{{ tg_name }}"
+          Rules:
+            - Conditions:
+                - Field: path-pattern
+                  Values:
+                    - '/new'
+              Priority: '1'
+              Actions:
+                - TargetGroupName: "{{ tg_name }}"
+                  Type: forward
+      <<: *aws_connection_info
+    register: alb
+
+  - assert:
+      that:
+        - alb.changed
+        - alb.listeners[0].rules|length == 2
+
+  - name: test the rule will not be removed without purge_listeners
+    elb_application_lb:
+      name: "{{ alb_name }}"
+      subnets: "{{ alb_subnets }}"
+      security_groups: "{{ sec_group.group_id }}"
+      state: present
+      listeners:
+        - Protocol: HTTP
+          Port: 80
+          DefaultActions:
+            - Type: forward
+              TargetGroupName: "{{ tg_name }}"
+      <<: *aws_connection_info
+    register: alb
+
+  - assert:
+      that:
+        - not alb.changed
+        - alb.listeners[0].rules|length == 2
+
+  - name: remove the rule
+    elb_application_lb:
+      name: "{{ alb_name }}"
+      subnets: "{{ alb_subnets }}"
+      security_groups: "{{ sec_group.group_id }}"
+      state: present
+      purge_listeners: true
+      listeners:
+        - Protocol: HTTP
+          Port: 80
+          DefaultActions:
+            - Type: forward
+              TargetGroupName: "{{ tg_name }}"
+          Rules: []
+      <<: *aws_connection_info
+    register: alb
+
+  - assert:
+      that:
+        - alb.changed
+        - alb.listeners[0].rules|length == 1
+
+  - name: remove listener from ALB
+    elb_application_lb:
+      name: "{{ alb_name }}"
+      subnets: "{{ alb_subnets }}"
+      security_groups: "{{ sec_group.group_id }}"
+      state: present
+      listeners: []
+      <<: *aws_connection_info
+    register: alb
+
+  - assert:
+      that:
+        - alb.changed
+        - not alb.listeners
+
+  - name: add the listener to the ALB
+    elb_application_lb:
+      name: "{{ alb_name }}"
+      subnets: "{{ alb_subnets }}"
+      security_groups: "{{ sec_group.group_id }}"
+      state: present
+      listeners:
+        - Protocol: HTTP
+          Port: 80
+          DefaultActions:
+            - Type: forward
+              TargetGroupName: "{{ tg_name }}"
+      <<: *aws_connection_info
+    register: alb
+
+  - assert:
+      that:
+        - alb.changed
+        - alb.listeners|length == 1
+        - alb.availability_zones|length == 2