testing singl lv and only vg

molecule/kvmonlyvg/converge.yml

@@ -0,0 +1,14 @@
+---
+- name: Converge
+  hosts: all
+  vars:
+    lvm_groups:
+      - vgname: my_vg
+        disks:
+          - /dev/vdb
+        create: true
+    manage_lvm: true
+  tasks:
+    - name: "Include lvm"
+      include_role:
+        name: "ansible-manage-lvm"

molecule/kvmonlyvg/molecule.yml

@@ -0,0 +1,29 @@
+---
+driver:
+  name: vagrant
+  provider:
+    name: libvirt
+lint: yamllint . && flake8 && ansible-lint
+platforms:
+  - name: Fedora-Molecule-Volumes-KVM
+    box: fedora/31-cloud-base
+    cpu: 2
+    memory: 2048
+    provider_raw_config_args:
+      - "storage :file, :size => '1G', :device => 'vdb'"
+provisioner:
+  name: ansible
+  config_options:
+    defaults:
+      forks: 20
+    ssh_connection:
+      pipelining: true
+      ssh_args: -o ControlMaster=auto -o ControlPersist=600s
+verifier:
+  name: testinfra
+  env:
+    PYTHONWARNINGS: "ignore:.*U.*mode is deprecated:DeprecationWarning"
+  options:
+    v: 1
+scenario:
+  name: kvm

molecule/kvmonlyvg/tests/conftest.py

@@ -0,0 +1,21 @@
+"""PyTest Fixtures."""
+from __future__ import absolute_import
+import os
+import pytest
+
+
+def pytest_runtest_setup(item):
+    """Run tests only when under molecule with testinfra installed."""
+    try:
+        import testinfra
+    except ImportError:
+        pytest.skip("Test requires testinfra", allow_module_level=True)
+    if "MOLECULE_INVENTORY_FILE" in os.environ:
+        pytest.testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+            os.environ["MOLECULE_INVENTORY_FILE"]
+        ).get_hosts("all")
+    else:
+        pytest.skip(
+            "Test should run only from inside molecule.",
+            allow_module_level=True
+        )

molecule/kvmonlyvg/tests/test_default.py

@@ -0,0 +1,11 @@
+"""Role testing files using testinfra."""
+
+
+def test_lvm_package_shall_be_installed(host):
+    assert host.package("lvm2").is_installed
+
+
+def test_non_persistent_volume_group_is_created(host):
+    command = """sudo vgdisplay | grep -c 'my_vg'"""
+    cmd = host.run(command)
+    assert '1' in cmd.stdout