rabbitmq_binding: Add support for state=absent (#48599)

* rabbitmq_binding: Add support for state=absent

* Add integration tests for rabbitmq_binding

* Update testcases

* Add changelog fragment

test/integration/targets/rabbitmq_binding/aliases

@@ -0,0 +1,5 @@
+destructive
+shippable/posix/group1
+skip/osx
+skip/freebsd
+skip/rhel

test/integration/targets/rabbitmq_binding/meta/main.yml

@@ -0,0 +1,2 @@
+dependencies:
+  - setup_rabbitmq

test/integration/targets/rabbitmq_binding/tasks/main.yml

@@ -0,0 +1,3 @@
+---
+- import_tasks: tests.yml
+  when: ansible_distribution == 'Ubuntu'

test/integration/targets/rabbitmq_binding/tasks/tests.yml

@@ -0,0 +1,132 @@
+---
+- name: Add test requisites
+  block:
+    - name: Add exchange
+      rabbitmq_exchange:
+        name: "{{ item }}"
+        type: direct
+      with_items:
+        - exchange-foo
+        - exchange-bar
+
+    - name: Add queue
+      rabbitmq_queue:
+        name: queue-foo
+
+- name: Test add binding in check mode
+  block:
+    - name: Add binding
+      rabbitmq_binding:
+        source: exchange-foo
+        destination: queue-foo
+        type: queue
+      check_mode: true
+      register: add_binding
+
+    - name: Check that binding succeeds with a change
+      assert:
+        that:
+          - add_binding.changed == true
+
+- name: Test add binding
+  block:
+    - name: Add binding
+      rabbitmq_binding:
+        source: exchange-foo
+        destination: queue-foo
+        type: queue
+      register: add_binding
+
+    - name: Check that binding succeeds with a change
+      assert:
+        that:
+          - add_binding.changed == true
+
+- name: Test add binding idempotence
+  block:
+    - name: Add binding
+      rabbitmq_binding:
+        source: exchange-foo
+        destination: queue-foo
+        type: queue
+      register: add_binding
+
+    - name: Check that binding succeeds without a change
+      assert:
+        that:
+          - add_binding.changed == false
+
+- name: Test remove binding in check mode
+  block:
+    - name: Remove binding
+      rabbitmq_binding:
+        source: exchange-foo
+        destination: queue-foo
+        type: queue
+        state: absent
+      check_mode: true
+      register: remove_binding
+
+    - name: Check that binding succeeds with a change
+      assert:
+        that:
+          - remove_binding.changed == true
+
+- name: Test remove binding
+  block:
+    - name: Remove binding
+      rabbitmq_binding:
+        source: exchange-foo
+        destination: queue-foo
+        type: queue
+        state: absent
+      register: remove_binding
+
+    - name: Check that binding succeeds with a change
+      assert:
+        that:
+          - remove_binding.changed == true
+
+- name: Test remove binding idempotence
+  block:
+    - name: Remove binding
+      rabbitmq_binding:
+        source: exchange-foo
+        destination: queue-foo
+        type: queue
+        state: absent
+      register: remove_binding
+
+    - name: Check that binding succeeds with a change
+      assert:
+        that:
+          - remove_binding.changed == false
+
+- name: Test add exchange to exchange binding
+  block:
+    - name: Add binding
+      rabbitmq_binding:
+        source: exchange-foo
+        destination: exchange-bar
+        type: exchange
+      register: add_binding
+
+    - name: Check that binding succeeds with a change
+      assert:
+        that:
+          - add_binding.changed == true
+
+- name: Test remove exchange to exchange binding
+  block:
+    - name: Remove binding
+      rabbitmq_binding:
+        source: exchange-foo
+        destination: exchange-bar
+        type: exchange
+        state: absent
+      register: remove_binding
+
+    - name: Check that binding succeeds with a change
+      assert:
+        that:
+          - remove_binding.changed == true