Add tests for helm role

This adds molecule tests for the helm role.

Change-Id: I5be27992062ca9039c141318bc54ce85ce35526b
Issue-ID: OOM-1909
Signed-off-by: Michal Zegan <m.zegan@samsung.com>
diff --git a/ansible/roles/helm/.yamllint b/ansible/roles/helm/.yamllint
new file mode 100644
index 0000000..ad0be76
--- /dev/null
+++ b/ansible/roles/helm/.yamllint
@@ -0,0 +1,11 @@
+extends: default
+
+rules:
+  braces:
+    max-spaces-inside: 1
+    level: error
+  brackets:
+    max-spaces-inside: 1
+    level: error
+  line-length: disable
+  truthy: disable
diff --git a/ansible/roles/helm/molecule/default/molecule.yml b/ansible/roles/helm/molecule/default/molecule.yml
new file mode 100644
index 0000000..869f87f
--- /dev/null
+++ b/ansible/roles/helm/molecule/default/molecule.yml
@@ -0,0 +1,32 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+lint:
+  name: yamllint
+platforms:
+  - name: infrastructure-server
+    image: molecule-${PREBUILD_PLATFORM_DISTRO:-centos}:${PREBUILD_DISTRO_VERSION:-centos7.6}
+    pre_build_image: True
+    privileged: true
+    override_command: False
+    groups:
+      - infrastructure
+provisioner:
+  name: ansible
+  lint:
+    name: ansible-lint
+  env:
+    ANSIBLE_ROLES_PATH: ../../../../test/roles
+    ANSIBLE_LIBRARY: ../../../../library
+  inventory:
+    group_vars:
+      all:
+        app_name: onap
+        app_data_path: "/opt/{{ app_name }}"
+        helm_bin_dir: /usr/local/bin
+verifier:
+  name: testinfra
+  lint:
+    name: flake8
diff --git a/ansible/roles/helm/molecule/default/playbook.yml b/ansible/roles/helm/molecule/default/playbook.yml
new file mode 100644
index 0000000..2705b16
--- /dev/null
+++ b/ansible/roles/helm/molecule/default/playbook.yml
@@ -0,0 +1,5 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - helm
diff --git a/ansible/roles/helm/molecule/default/prepare.yml b/ansible/roles/helm/molecule/default/prepare.yml
new file mode 100644
index 0000000..8a149b8
--- /dev/null
+++ b/ansible/roles/helm/molecule/default/prepare.yml
@@ -0,0 +1,5 @@
+---
+- name: Prepare for helm tests
+  hosts: all
+  roles:
+    - prepare-helm
diff --git a/ansible/roles/helm/molecule/default/tests/test_default.py b/ansible/roles/helm/molecule/default/tests/test_default.py
new file mode 100644
index 0000000..2395183
--- /dev/null
+++ b/ansible/roles/helm/molecule/default/tests/test_default.py
@@ -0,0 +1,11 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_helm(host):
+    assert host.file('/usr/local/bin/helm').exists
+    assert host.run('helm').rc != 127