diff --git a/tests/czechlight-cfg-fs/data/v0_sdn-inline_empty/expected.json b/tests/czechlight-cfg-fs/data/v0_sdn-inline_empty/expected.json
index 59f7990..e3b8174 100644
--- a/tests/czechlight-cfg-fs/data/v0_sdn-inline_empty/expected.json
+++ b/tests/czechlight-cfg-fs/data/v0_sdn-inline_empty/expected.json
@@ -56,5 +56,35 @@
         "type": "iana-if-type:ethernetCsmacd"
       }
     ]
+  },
+  "ietf-netconf-acm:nacm": {
+    "rule-list": [
+      {
+        "name": "Allow DWDM control to the optics group",
+        "group": ["optics"],
+        "rule": [
+          {
+            "name": "czechlight-roadm-device",
+            "module-name": "czechlight-roadm-device",
+            "action": "permit"
+          },
+          {
+            "name": "czechlight-inline-amp",
+            "module-name": "czechlight-inline-amp",
+            "action": "permit"
+          },
+          {
+            "name": "czechlight-coherent-add-drop",
+            "module-name": "czechlight-coherent-add-drop",
+            "action": "permit"
+          },
+          {
+            "name": "czechlight-calibration-device",
+            "module-name": "czechlight-calibration-device",
+            "action": "permit"
+          }
+        ]
+      }
+    ]
   }
 }
diff --git a/tests/czechlight-cfg-fs/data/v0_sdn-roadm-line_empty/expected.json b/tests/czechlight-cfg-fs/data/v0_sdn-roadm-line_empty/expected.json
index edc8766..6ccd852 100644
--- a/tests/czechlight-cfg-fs/data/v0_sdn-roadm-line_empty/expected.json
+++ b/tests/czechlight-cfg-fs/data/v0_sdn-roadm-line_empty/expected.json
@@ -781,5 +781,35 @@
       "channel": "C-band",
       "description": "Whole-band overview"
     }
-  ]
+  ],
+  "ietf-netconf-acm:nacm": {
+    "rule-list": [
+      {
+        "name": "Allow DWDM control to the optics group",
+        "group": ["optics"],
+        "rule": [
+          {
+            "name": "czechlight-roadm-device",
+            "module-name": "czechlight-roadm-device",
+            "action": "permit"
+          },
+          {
+            "name": "czechlight-inline-amp",
+            "module-name": "czechlight-inline-amp",
+            "action": "permit"
+          },
+          {
+            "name": "czechlight-coherent-add-drop",
+            "module-name": "czechlight-coherent-add-drop",
+            "action": "permit"
+          },
+          {
+            "name": "czechlight-calibration-device",
+            "module-name": "czechlight-calibration-device",
+            "action": "permit"
+          }
+        ]
+      }
+    ]
+  }
 }
diff --git a/tests/czechlight-cfg-fs/data/v0_sdn-roadm-line_with_altered_initial_data/expected.json b/tests/czechlight-cfg-fs/data/v0_sdn-roadm-line_with_altered_initial_data/expected.json
index edc8766..def9bac 100644
--- a/tests/czechlight-cfg-fs/data/v0_sdn-roadm-line_with_altered_initial_data/expected.json
+++ b/tests/czechlight-cfg-fs/data/v0_sdn-roadm-line_with_altered_initial_data/expected.json
@@ -781,5 +781,35 @@
       "channel": "C-band",
       "description": "Whole-band overview"
     }
-  ]
+  ],
+  "ietf-netconf-acm:nacm": {
+      "rule-list": [
+          {
+              "name": "Allow DWDM control to the optics group",
+              "group": ["optics"],
+              "rule": [
+                  {
+                      "name": "czechlight-roadm-device",
+                      "module-name": "czechlight-roadm-device",
+                      "action": "permit"
+                  },
+                  {
+                      "name": "czechlight-inline-amp",
+                      "module-name": "czechlight-inline-amp",
+                      "action": "permit"
+                  },
+                  {
+                      "name": "czechlight-coherent-add-drop",
+                      "module-name": "czechlight-coherent-add-drop",
+                      "action": "permit"
+                  },
+                  {
+                      "name": "czechlight-calibration-device",
+                      "module-name": "czechlight-calibration-device",
+                      "action": "permit"
+                  }
+              ]
+          }
+      ]
+  }
 }
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/cmdline b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/cmdline
new file mode 100644
index 0000000..6b1d906
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/cmdline
@@ -0,0 +1 @@
+czechlight=sdn-roadm-line
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/expected.json b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/expected.json
new file mode 100644
index 0000000..59d413b
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/expected.json
@@ -0,0 +1,32 @@
+{
+    "ietf-netconf-acm:nacm": {
+        "rule-list": [
+            {
+                "name": "Allow DWDM control to the optics group",
+                "group": ["optics"],
+                "rule": [
+                    {
+                        "name": "czechlight-roadm-device",
+                        "module-name": "czechlight-roadm-device",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-inline-amp",
+                        "module-name": "czechlight-inline-amp",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-coherent-add-drop",
+                        "module-name": "czechlight-coherent-add-drop",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-calibration-device",
+                        "module-name": "czechlight-calibration-device",
+                        "action": "permit"
+                    }
+                ]
+            }
+        ]
+    }
+}
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/startup.json b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/startup.json
new file mode 100644
index 0000000..59d413b
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/startup.json
@@ -0,0 +1,32 @@
+{
+    "ietf-netconf-acm:nacm": {
+        "rule-list": [
+            {
+                "name": "Allow DWDM control to the optics group",
+                "group": ["optics"],
+                "rule": [
+                    {
+                        "name": "czechlight-roadm-device",
+                        "module-name": "czechlight-roadm-device",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-inline-amp",
+                        "module-name": "czechlight-inline-amp",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-coherent-add-drop",
+                        "module-name": "czechlight-coherent-add-drop",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-calibration-device",
+                        "module-name": "czechlight-calibration-device",
+                        "action": "permit"
+                    }
+                ]
+            }
+        ]
+    }
+}
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/version b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/version
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/version
@@ -0,0 +1 @@
+3
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/xpath b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/xpath
new file mode 100644
index 0000000..8eca9fa
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_default_nacm/xpath
@@ -0,0 +1 @@
+/ietf-netconf-acm:nacm
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/cmdline b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/cmdline
new file mode 100644
index 0000000..6b1d906
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/cmdline
@@ -0,0 +1 @@
+czechlight=sdn-roadm-line
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/expected.json b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/expected.json
new file mode 100644
index 0000000..59d413b
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/expected.json
@@ -0,0 +1,32 @@
+{
+    "ietf-netconf-acm:nacm": {
+        "rule-list": [
+            {
+                "name": "Allow DWDM control to the optics group",
+                "group": ["optics"],
+                "rule": [
+                    {
+                        "name": "czechlight-roadm-device",
+                        "module-name": "czechlight-roadm-device",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-inline-amp",
+                        "module-name": "czechlight-inline-amp",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-coherent-add-drop",
+                        "module-name": "czechlight-coherent-add-drop",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-calibration-device",
+                        "module-name": "czechlight-calibration-device",
+                        "action": "permit"
+                    }
+                ]
+            }
+        ]
+    }
+}
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/startup.json b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/startup.json
new file mode 100644
index 0000000..a56c909
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/startup.json
@@ -0,0 +1,47 @@
+{
+    "ietf-netconf-acm:nacm": {
+        "rule-list": [
+            {
+                "name": "Some rule list",
+                "group": ["optics"],
+                "rule": []
+            },
+            {
+                "name": "Another rule list",
+                "group": ["optics"],
+                "rule": []
+            },
+            {
+                "name": "Allow DWDM control to the optics group",
+                "group": ["optics"],
+                "rule": [
+                    {
+                        "name": "czechlight-roadm-device",
+                        "module-name": "czechlight-roadm-device",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-inline-amp",
+                        "module-name": "czechlight-inline-amp",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-coherent-add-drop",
+                        "module-name": "czechlight-coherent-add-drop",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-calibration-device",
+                        "module-name": "czechlight-calibration-device",
+                        "action": "permit"
+                    }
+                ]
+            },
+            {
+                "name": "Yet another rule list (YARL)",
+                "group": ["optics"],
+                "rule": []
+            }
+        ]
+    }
+}
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/version b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/version
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/version
@@ -0,0 +1 @@
+3
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/xpath b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/xpath
new file mode 100644
index 0000000..8eca9fa
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_multiple_nacm_rules/xpath
@@ -0,0 +1 @@
+/ietf-netconf-acm:nacm
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/cmdline b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/cmdline
new file mode 100644
index 0000000..6b1d906
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/cmdline
@@ -0,0 +1 @@
+czechlight=sdn-roadm-line
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/expected.json b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/expected.json
new file mode 100644
index 0000000..59d413b
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/expected.json
@@ -0,0 +1,32 @@
+{
+    "ietf-netconf-acm:nacm": {
+        "rule-list": [
+            {
+                "name": "Allow DWDM control to the optics group",
+                "group": ["optics"],
+                "rule": [
+                    {
+                        "name": "czechlight-roadm-device",
+                        "module-name": "czechlight-roadm-device",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-inline-amp",
+                        "module-name": "czechlight-inline-amp",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-coherent-add-drop",
+                        "module-name": "czechlight-coherent-add-drop",
+                        "action": "permit"
+                    },
+                    {
+                        "name": "czechlight-calibration-device",
+                        "module-name": "czechlight-calibration-device",
+                        "action": "permit"
+                    }
+                ]
+            }
+        ]
+    }
+}
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/startup.json b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/startup.json
new file mode 100644
index 0000000..2c63c08
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/startup.json
@@ -0,0 +1,2 @@
+{
+}
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/version b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/version
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/version
@@ -0,0 +1 @@
+3
diff --git a/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/xpath b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/xpath
new file mode 100644
index 0000000..8eca9fa
--- /dev/null
+++ b/tests/czechlight-cfg-fs/data/v3_sdn-roadm-line_no_nacm/xpath
@@ -0,0 +1 @@
+/ietf-netconf-acm:nacm