diff --git a/roles/web_server/molecule/default/tests/test_default.py b/roles/web_server/molecule/default/tests/test_default.py
index 74be94bc9e4dbd460ffcb3f83dc645524e8d3c73..d9f7dd8ec593e33fe69dfb6b2f5386358774b934 100644
--- a/roles/web_server/molecule/default/tests/test_default.py
+++ b/roles/web_server/molecule/default/tests/test_default.py
@@ -234,3 +234,45 @@ def test_php_timezone_configuration(host, php_info):
     timezone = host.run("php --php-ini %s -r %s", "%s/fpm/php.ini" % php_info.base_config_dir, "echo ini_get('date.timezone');")
     assert timezone.rc == 0
     assert timezone.stdout == server_timezone
+
+
+def test_https_server_dh_parameters_file(host):
+    """
+    Tests if the Diffie-Helman parameter file has been generated
+    correctly.
+    """
+
+    hostname = host.run('hostname').stdout.strip()
+    dhparam_file_path = '/etc/ssl/private/%s_https.dh.pem' % hostname
+
+    with host.sudo():
+        dhparam_file = host.file(dhparam_file_path)
+        assert dhparam_file.is_file
+        assert dhparam_file.user == 'root'
+        assert dhparam_file.group == 'root'
+        assert dhparam_file.mode == 0o640
+
+        dhparam_info = host.run("openssl dhparam -noout -text -in %s", dhparam_file_path)
+
+        assert "DH Parameters: (2048 bit)" in dhparam_info.stdout
+
+
+def test_https_server_uses_correct_dh_parameters(host):
+    """
+    Tests if the HTTP server uses the generated Diffie-Helman parameter.
+    """
+
+    hostname = host.run('hostname').stdout.strip()
+
+    with host.sudo():
+        expected_dhparam = host.file('/etc/ssl/private/%s_https.dh.pem' % hostname).content_string.rstrip()
+
+    connection = host.run("gnutls-cli --no-ca-verification --starttls-proto=https --port 443 "
+                          "--priority 'NONE:+VERS-TLS1.2:+CTYPE-X509:+COMP-NULL:+SIGN-RSA-SHA384:+DHE-RSA:+SHA384:+AEAD:+AES-256-GCM' --verbose localhost")
+
+    output = connection.stdout
+    begin_marker = "-----BEGIN DH PARAMETERS-----"
+    end_marker = "-----END DH PARAMETERS-----"
+    used_dhparam = output[output.find(begin_marker):output.find(end_marker) + len(end_marker)]
+
+    assert used_dhparam == expected_dhparam