diff --git a/roles/preseed/tests/test_parameters_mandatory.py b/roles/preseed/tests/test_parameters_mandatory.py
new file mode 100644
index 0000000000000000000000000000000000000000..8740af04c206f1ad07ec31e9a243f9e0e3e2e64f
--- /dev/null
+++ b/roles/preseed/tests/test_parameters_mandatory.py
@@ -0,0 +1,70 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    '.molecule/ansible_inventory').get_hosts('parameters-mandatory')
+
+
+def test_preseed_directory(File, Sudo):
+    """
+    Tests presence and permissions on created preseed directory.
+    """
+
+    with Sudo():
+
+        # Preseed directory created at same level as inventory.
+        preseed_directory = File(os.path.join(os.getcwd(), ".molecule", 'preseed_files'))
+
+        assert preseed_directory.is_directory
+        assert preseed_directory.mode == 0o750
+
+
+def test_preseed_configuration_files(File, Sudo):
+    """
+    Tests presence and permissions on created preseed configuration files.
+    """
+
+    with Sudo():
+
+        # Preseed directory created at same level as inventory.
+        preseed_directory_path = os.path.join(os.getcwd(), ".molecule", 'preseed_files')
+
+        # Verify that preseed configuration files are created for all hosts.
+        for host in testinfra_hosts:
+
+            preseed_file = File(os.path.join(preseed_directory_path, "%s.cfg" % host))
+
+            assert preseed_file.is_file
+            assert preseed_file.mode == 0o640
+
+
+def test_preseed_configuration_file_content(File, Sudo, TestinfraBackend):
+    """
+    Tests content of generated preseed configuration file.
+    """
+
+    with Sudo():
+        preseed_file = File(os.path.join(os.getcwd(), ".molecule", "preseed_files", "%s.cfg" % TestinfraBackend.get_hostname()))
+        preseed_file_content = preseed_file.content_string
+        ssh_public_key = open(os.path.join(os.path.expanduser("~"), ".ssh", "id_rsa.pub")).read().strip()
+
+    assert "d-i debian-installer/language string en" in preseed_file_content
+    assert "d-i debian-installer/country string SE" in preseed_file_content
+    assert "d-i debian-installer/locale string en_US.UTF-8" in preseed_file_content
+    assert "d-i keyboard-configuration/xkb-keymap select us" in preseed_file_content
+    assert "d-i netcfg/choose_interface select eth0" in preseed_file_content
+
+    assert """# DHCP network configuration.
+d-i netcfg/disable_autoconfig boolean false
+d-i netcfg/get_hostname string ignored-value
+d-i netcfg/get_domain string ignored-value""" in preseed_file_content
+
+    assert "d-i mirror/http/hostname string ftp.se.debian.org" in preseed_file_content
+    assert "d-i mirror/http/directory string /debian" in preseed_file_content
+    assert "d-i mirror/http/proxy string " in preseed_file_content
+    assert "d-i passwd/root-password password root" in preseed_file_content
+    assert "d-i passwd/root-password-again password root" in preseed_file_content
+    assert "d-i time/zone string Europe/Stockholm" in preseed_file_content
+    assert ssh_public_key in preseed_file_content