Add a test for postgresql::server::db when using a Deferred password

spec/acceptance/db_deferred_spec.rb

@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+require 'spec_helper_acceptance'
+
+describe 'postgresql::server::db' do
+  before(:all) do
+    LitmusHelper.instance.run_shell("cd /tmp; su 'postgres' -c 'pg_ctl stop -D /var/lib/pgsql/data/ -m fast'", acceptable_exit_codes: [0, 1]) unless os[:family].match?(%r{debian|ubuntu})
+  end
+
+  it 'creates a database with a deferred password' do
+    tmpdir = run_shell('mktemp').stdout
+    pp = <<-MANIFEST
+      class { 'postgresql::server':
+        postgres_password => 'space password',
+      }
+      postgresql::server::tablespace { 'postgresql-test-db':
+        location => '#{tmpdir}',
+      } ->
+      postgresql::server::db { 'postgresql-test-db':
+        comment    => 'testcomment',
+        user       => 'test-user',
+        password   => Deferred('unwrap', ['test1'])
+        tablespace => 'postgresql-test-db',
+      }
+    MANIFEST
+
+    idempotent_apply(pp)
+
+    # Verify that the postgres password works
+    run_shell("echo 'localhost:*:*:postgres:'space password'' > /root/.pgpass")
+    run_shell('chmod 600 /root/.pgpass')
+    run_shell("psql -U postgres -h localhost --command='\\l'")
+
+    result = psql('--command="select datname from pg_database" "postgresql-test-db"')
+    expect(result.stdout).to match(%r{postgresql-test-db})
+    expect(result.stderr).to eq('')
+
+    result = psql('--command="SELECT 1 FROM pg_roles WHERE rolname=\'test-user\'"')
+    expect(result.stdout).to match(%r{\(1 row\)})
+
+    result = psql("--dbname postgresql-test-db --command=\"SELECT pg_catalog.shobj_description(d.oid, 'pg_database') FROM pg_catalog.pg_database d WHERE datname = 'postgresql-test-db' AND pg_catalog.shobj_description(d.oid, 'pg_database') = 'testcomment'\"") # rubocop:disable Layout/LineLength
+    expect(result.stdout).to match(%r{\(1 row\)})
+  ensure
+    psql('--command=\'drop database "postgresql-test-db"\'')
+  end
+end