ansible: basic regression test for delegation/sudo

examples/playbook/connection_local.yml

----
-
-- hosts: all
-  gather_facts: false
-  tasks:
-    - name: "Run hostname"
-      connection: local
-      command: hostname
-      with_sequence: start=1 end=100

examples/playbook/delegate_to.yml

+---
+
+- hosts: all
+  gather_facts: false
+  tasks:
+
+    #
+    # delegate_to, no sudo
+    #
+    - name: "delegate_to, no sudo"
+      copy:
+        dest: /tmp/delegate_to.yml.txt
+        content: "Hello, world."
+      register: out
+      delegate_to: localhost
+
+    - name: "delegate_to, no sudo"
+      assert:
+        that: "lookup('file', '/tmp/delegate_to.yml.txt') == 'Hello, world.'"
+
+    - name: "delegate_to, no sudo"
+      file:
+        path: /tmp/delegate_to.yml.txt
+        state: absent
+      delegate_to: localhost
+
+
+    #
+    # connection:local, no sudo
+    #
+    - name: "connection:local, no sudo"
+      copy:
+        dest: /tmp/delegate_to.yml.txt
+        content: "Hello, world."
+      register: out
+      connection: local
+
+    - name: "connection:local, no sudo"
+      assert:
+        that: "lookup('file', '/tmp/delegate_to.yml.txt') == 'Hello, world.'"
+
+    - name: "connection:local, no sudo"
+      file:
+        path: /tmp/delegate_to.yml.txt
+        state: absent
+      connection: local
+
+
+    #
+    # delegate_to, sudo
+    #
+    - name: "delegate_to, sudo"
+      shell: whoami > /tmp/delegate_to.yml.txt
+      delegate_to: localhost
+      become: true
+
+    - name: "delegate_to, sudo"
+      assert:
+        that: "lookup('file', '/tmp/delegate_to.yml.txt') == 'root'"
+
+    - name: "delegate_to, sudo"
+      file:
+        path: /tmp/delegate_to.yml.txt
+        state: absent
+      delegate_to: localhost
+      become: true
+
+
+    #
+    # connection:local, sudo
+    #
+    - name: "connection:local, sudo"
+      shell: whoami > /tmp/delegate_to.yml.txt
+      connection: local
+      become: true
+
+    - name: "connection:local, sudo"
+      assert:
+        that: "lookup('file', '/tmp/delegate_to.yml.txt') == 'root'"
+
+    - name: "connection:local, sudo"
+      file:
+        path: /tmp/delegate_to.yml.txt
+        state: absent
+      connection: local
+      become: true