[Login Nodes] Add unit tests to cover loginmgtd.

Signed-off-by: Giacomo Marciani <mgiacomo@amazon.com>

cookbooks/aws-parallelcluster-slurm/spec/unit/recipes/login_nodes_daemon_service_spec.rb

@@ -0,0 +1,47 @@
+require 'spec_helper'
+
+describe 'aws-parallelcluster-slurm::login_nodes_daemon_service' do
+  for_all_oses do |platform, version|
+    context "on #{platform}#{version}" do
+      cached(:chef_run) do
+        runner(platform: platform, version: version).converge(described_recipe)
+      end
+
+      it 'creates the loginmgtd configuration with the correct attributes' do
+        is_expected.to create_template('/opt/parallelcluster/shared_login_nodes/loginmgtd_config.json').with(
+          source: 'slurm/login/loginmgtd_config.json.erb',
+          owner: 'pcluster-admin',
+          group: 'pcluster-admin',
+          mode:  '0644'
+        )
+      end
+
+      it 'creates the loginmgtd script with the correct attributes' do
+        is_expected.to create_template('/opt/parallelcluster/shared_login_nodes/loginmgtd.sh').with(
+          source: 'slurm/login/loginmgtd.sh.erb',
+          owner: 'pcluster-admin',
+          group: 'pcluster-admin',
+          mode:  '0744'
+        )
+      end
+
+      it 'creates the loginmgtd termination hook script with the correct attributes' do
+        is_expected.to create_template('/opt/parallelcluster/shared_login_nodes/loginmgtd_on_termination.sh').with(
+          source: 'slurm/login/loginmgtd_on_termination.sh.erb',
+          owner: 'pcluster-admin',
+          group: 'pcluster-admin',
+          mode:  '0744'
+        )
+      end
+
+      it 'creates the loginmgtd sudoers configuration with the correct attributes' do
+        is_expected.to create_template('/etc/sudoers.d/99-parallelcluster-loginmgtd').with(
+          source: 'slurm/login/99-parallelcluster-loginmgtd.erb',
+          owner: 'root',
+          group: 'root',
+          mode:  '0600'
+        )
+      end
+    end
+  end
+end