dnf: add integration tests (based on yum tests) (#28881)

test/integration/targets/dnf/tasks/dnf.yml

@@ -264,6 +264,60 @@
         - "'changed' in dnf_result"
         - "'results' in dnf_result"
 
+- name: install the group again
+  dnf:
+    name: "@Books and Guides"
+    state: present
+  register: dnf_result
+
+- name: verify nothing changed
+  assert:
+    that:
+        - "not dnf_result.changed"
+
+- name: verify dnf module outputs
+  assert:
+    that:
+        - "'changed' in dnf_result"
+        - "'msg' in dnf_result"
+
+- name: install the group again but also with a package that is not yet installed
+  dnf:
+    name:
+      - "@Books and Guides"
+      - bc
+    state: present
+  register: dnf_result
+
+- name: verify bc is installed
+  assert:
+    that:
+        - "dnf_result.changed"
+
+- name: verify dnf module outputs
+  assert:
+    that:
+        - "'changed' in dnf_result"
+        - "'results' in dnf_result"
+
+- name: try to install the group again, with --check to check 'changed'
+  dnf:
+    name: "@Books and Guides"
+    state: present
+  check_mode: yes
+  register: dnf_result
+
+- name: verify nothing changed
+  assert:
+    that:
+        - "not dnf_result.changed"
+
+- name: verify dnf module outputs
+  assert:
+    that:
+        - "'changed' in dnf_result"
+        - "'msg' in dnf_result"
+
 # cleanup until https://github.com/ansible/ansible/issues/27377 is resolved
 - shell: dnf -y group install "Books and Guides" && dnf -y group remove "Books and Guides"
 
@@ -292,3 +346,60 @@
 
 # cleanup until https://github.com/ansible/ansible/issues/27377 is resolved
 - shell: dnf -y group install "Books and Guides" && dnf -y group remove "Books and Guides"
+
+- name: try to install non existing group
+  dnf:
+    name: "@non-existing-group"
+    state: present
+  register: dnf_result
+  ignore_errors: True
+
+- name: verify installation of the non existing group failed
+  assert:
+    that:
+        - "not dnf_result.changed"
+        - "dnf_result|failed"
+
+- name: verify dnf module outputs
+  assert:
+    that:
+        - "'changed' in dnf_result"
+        - "'msg' in dnf_result"
+
+- name: try to install non existing file
+  dnf:
+    name: /tmp/non-existing-1.0.0.fc26.noarch.rpm
+    state: present
+  register: dnf_result
+  ignore_errors: yes
+
+- name: verify installation failed
+  assert:
+    that:
+        - "dnf_result|failed"
+        - "not dnf_result.changed"
+
+- name: verify dnf module outputs
+  assert:
+    that:
+        - "'changed' in dnf_result"
+        - "'msg' in dnf_result"
+
+- name: try to install from non existing url
+  dnf:
+    name: http://non-existing.com/non-existing-1.0.0.fc26.noarch.rpm
+    state: present
+  register: dnf_result
+  ignore_errors: yes
+
+- name: verify installation failed
+  assert:
+    that:
+        - "dnf_result|failed"
+        - "not dnf_result.changed"
+
+- name: verify dnf module outputs
+  assert:
+    that:
+        - "'changed' in dnf_result"
+        - "'msg' in dnf_result"