CSIT-482: HC Test - NAT 67/4367/5
authorselias <samelias@cisco.com>
Fri, 16 Dec 2016 14:28:39 +0000 (15:28 +0100)
committerPeter Mikus <pmikus@cisco.com>
Tue, 10 Jan 2017 13:05:13 +0000 (13:05 +0000)
 - add NAT test suite
 - add keywords and methods for configuring and reading NAT settings
 - add test data used in NAT suite

Change-Id: Iaa2ac1eb156bc9bcff41ec242318f6a973210d38
Signed-off-by: selias <samelias@cisco.com>
resources/libraries/python/NAT.py [new file with mode: 0644]
resources/libraries/python/honeycomb/NAT.py [new file with mode: 0644]
resources/libraries/robot/honeycomb/nat.robot [new file with mode: 0644]
resources/templates/honeycomb/config_nat.url [new file with mode: 0644]
resources/templates/honeycomb/oper_nat.url [new file with mode: 0644]
resources/templates/vat/snat/snat_interface_dump.vat [new file with mode: 0644]
resources/templates/vat/snat/snat_mapping_dump.vat [new file with mode: 0644]
resources/test_data/honeycomb/nat.py [new file with mode: 0644]
tests/func/honeycomb/130_nat.robot [new file with mode: 0644]

diff --git a/resources/libraries/python/NAT.py b/resources/libraries/python/NAT.py
new file mode 100644 (file)
index 0000000..d0e01c7
--- /dev/null
@@ -0,0 +1,107 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""NAT utilities library."""
+
+from resources.libraries.python.VatExecutor import VatExecutor
+
+
+class NATUtil(object):
+    """NAT utilities."""
+
+    def __init__(self):
+        pass
+
+    @staticmethod
+    def vpp_get_nat_static_mappings(node):
+        """Get NAT static mappings from VPP node.
+
+        :param node: VPP node.
+        :type node: dict
+        :returns: List of static mappings.
+        :rtype: list
+        :raises RuntimeError: If the output is not as expected.
+        """
+
+        vat = VatExecutor()
+        # JSON output not supported for this command
+        vat.execute_script('snat/snat_mapping_dump.vat', node, json_out=False)
+
+        stdout = vat.get_script_stdout()
+        lines = stdout.split("\n")
+
+        data = []
+        # lines[0,1] are table and column headers
+        for line in lines[2::]:
+            items = line.split(" ")
+            while "" in items:
+                items.remove("")
+            if len(items) == 0:
+                continue
+            elif len(items) == 3:
+                # no ports were returned
+                data.append({
+                    "local_address": items[0],
+                    "remote_address": items[1],
+                    "vrf": items[2]
+                })
+            elif len(items) == 5:
+                data.append({
+                    "local_address": items[0],
+                    "local_port": items[1],
+                    "remote_address": items[2],
+                    "remote_port": items[3],
+                    "vrf": items[4]
+                })
+            else:
+                raise RuntimeError("Unexpected output from span_mapping_dump.")
+
+        return data
+
+    @staticmethod
+    def vpp_get_nat_interfaces(node):
+        """Get list of interfaces configured with NAT from VPP node.
+
+        :param node: VPP node.
+        :type node: dict
+        :returns: List of interfaces on the node that are configured with NAT.
+        :rtype: list
+        :raises RuntimeError: If the output is not as expected.
+        """
+
+        vat = VatExecutor()
+        # JSON output not supported for this command
+        vat.execute_script('snat/snat_interface_dump.vat', node,
+                           json_out=False)
+
+        stdout = vat.get_script_stdout()
+        lines = stdout.split("\n")
+
+        data = []
+        for line in lines:
+            items = line.split(" ")
+            while "" in items:
+                items.remove("")
+            if len(items) == 0:
+                continue
+            elif len(items) == 3:
+                data.append({
+                    # items[0] is the table header - "sw_if_index"
+                    "sw_if_index": items[1],
+                    "direction": items[2]
+                })
+            else:
+                raise RuntimeError(
+                    "Unexpected output from span_interface_dump.")
+
+        return data
diff --git a/resources/libraries/python/honeycomb/NAT.py b/resources/libraries/python/honeycomb/NAT.py
new file mode 100644 (file)
index 0000000..1fb066d
--- /dev/null
@@ -0,0 +1,143 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Keywords to manipulate NAT configuration using Honeycomb REST API."""
+
+from resources.libraries.python.topology import Topology
+from resources.libraries.python.HTTPRequest import HTTPCodes
+from resources.libraries.python.honeycomb.HoneycombSetup import HoneycombError
+from resources.libraries.python.honeycomb.HoneycombUtil \
+    import DataRepresentation
+from resources.libraries.python.honeycomb.HoneycombUtil \
+    import HoneycombUtil as HcUtil
+
+
+class NATKeywords(object):
+    """Keywords for NAT configuration."""
+
+    def __init__(self):
+        pass
+
+    @staticmethod
+    def _set_nat_properties(node, path, data=None):
+        """Set NAT properties and check the return code.
+
+        :param node: Honeycomb node.
+        :param path: Path which is added to the base path to identify the data.
+        :param data: The new data to be set. If None, the item will be removed.
+        :type node: dict
+        :type path: str
+        :type data: dict
+        :returns: Content of response.
+        :rtype: bytearray
+        :raises HoneycombError: If the status code in response to PUT is not
+        OK or ACCEPTED.
+        """
+
+        if data:
+            status_code, resp = HcUtil. \
+                put_honeycomb_data(node, "config_nat", data, path,
+                                   data_representation=DataRepresentation.JSON)
+        else:
+            status_code, resp = HcUtil. \
+                delete_honeycomb_data(node, "config_nat", path)
+
+        if status_code not in (HTTPCodes.OK, HTTPCodes.ACCEPTED):
+            raise HoneycombError(
+                "The configuration of NAT was not successful. "
+                "Status code: {0}.".format(status_code))
+        return resp
+
+    @staticmethod
+    def get_nat_oper_data(node):
+        """Read NAT operational data.
+
+        :param node: Honeycomb node.
+        :type node: dict
+        :returns: Content of response.
+        :rtype: bytearray
+        :raises HoneycombError: If the operation fails or the response
+        is not as expected.
+        """
+
+        status_code, resp = HcUtil.get_honeycomb_data(node, "oper_nat")
+
+        if status_code != HTTPCodes.OK:
+            raise HoneycombError("Could not retrieve NAT operational data.")
+
+        if "nat-state" not in resp.keys():
+            raise HoneycombError(
+                "Unexpected format, response does not contain nat-state.")
+        return resp['nat-state']
+
+    @staticmethod
+    def configure_nat_entries(node, data, instance=0, entry=1):
+        """Configure NAT entries on node.
+
+        :param node: Honeycomb node.
+        :param data: Data to be configured on node.
+        :param instance: NAT instance ID.
+        :param entry: NAT entry index.
+        :type node: dict
+        :type data: dict
+        :type instance: int
+        :type entry: int
+        :returns: Content of response.
+        :rtype: bytearray
+        """
+
+        return NATKeywords._set_nat_properties(
+            node,
+            '/nat-instances/nat-instance/{0}/'
+            'mapping-table/mapping-entry/{1}/'.format(instance, entry),
+            data)
+
+    @staticmethod
+    def configure_nat_on_interface(node, interface, direction, delete=False):
+        """Configure NAT on the specified interface.
+
+        :param node: Honeycomb node.
+        :param interface: Name of an interface on the node.
+        :param direction: NAT direction, outbound or inbound.
+        :param delete: Delete an existing interface NAT configuration.
+        :type node: dict
+        :type interface: str
+        :type direction: str
+        :type delete: bool
+        :returns: Content of response.
+        :rtype: bytearray
+        :raises HoneycombError: If the operation fails.
+        """
+
+        interface = Topology.convert_interface_reference(
+            node, interface, "name")
+
+        interface = interface.replace("/", "%2F")
+        path = "/interface/{0}/interface-nat:nat/{1}".format(
+            interface, direction)
+
+        data = {direction: {}}
+
+        if delete:
+            status_code, resp = HcUtil.delete_honeycomb_data(
+                node, "config_vpp_interfaces", path)
+        else:
+            status_code, resp = HcUtil.put_honeycomb_data(
+                node, "config_vpp_interfaces", data, path)
+
+        if status_code not in (HTTPCodes.OK, HTTPCodes.ACCEPTED):
+            raise HoneycombError(
+                "Could not configure NAT on interface. "
+                "Status code: {0}.".format(status_code))
+
+        return resp
diff --git a/resources/libraries/robot/honeycomb/nat.robot b/resources/libraries/robot/honeycomb/nat.robot
new file mode 100644 (file)
index 0000000..af24d56
--- /dev/null
@@ -0,0 +1,174 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Library | resources.libraries.python.honeycomb.HcAPIKwInterfaces.InterfaceKeywords
+| Library | resources.libraries.python.honeycomb.NAT.NATKeywords
+| Library | resources.libraries.python.NAT.NATUtil
+| Documentation | Keywords used to test Honeycomb NAT node.
+
+*** Keywords ***
+| NAT configuration from Honeycomb should be empty
+| | [Documentation] | Uses Honeycomb API to retrieve NAT operational data\
+| | ... | and expects to find only default values.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - information about a DUT node. Type: dictionary
+| | ... | - default_settings - NAT default settings. Type: dictionary
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| NAT configuration from Honeycomb should be empty \
+| | ... | \| ${nodes['DUT1']} \| ${default_settings} \|
+| | [Arguments] | ${node} | ${default_settings}
+| | ${data}= | Get NAT Oper data | ${node}
+| | Compare data structures | ${data} | ${default_settings}
+
+| Honeycomb configures NAT entry
+| | [Documentation] | Uses Honeycomb API to configure a static NAT entry.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - information about a DUT node. Type: dictionary
+| | ... | - data - NAT entry to configure. Type: dictionary
+| | ... | - instance - NAT instance on VPP node. Type: integer
+| | ... | - index - Index of NAT entry. Type: integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Honeycomb configures NAT entry \| ${nodes['DUT1']} \| ${data} \
+| | ... | \| ${0} \| ${1} \|
+| | [Arguments] | ${node} | ${data} | ${instance}=0 | ${index}=1
+| | Configure NAT entries | ${node} | ${data} | ${instance} | ${index}
+
+| NAT entries from Honeycomb should be
+| | [Documentation] | Uses Honeycomb API to retrieve NAT operational data\
+| | ... | and compares against expected settings.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - information about a DUT node. Type: dictionary
+| | ... | - settings - NAT entry to expect. Type: dictionary
+| | ... | - instance - NAT instance on VPP node. Type: integer
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| NAT entries from Honeycomb should be \| ${nodes['DUT1']} \
+| | ... | \| ${settings} \| ${0} \|
+| | [Arguments] | ${node} | ${settings} | ${instance}=0
+| | ${data}= | Get NAT Oper data | ${node}
+| | ${data}= | Set Variable
+| | ... | ${data['nat-instances']['nat-instance'][${instance}]['mapping-table']}
+| | Compare data structures | ${data} | ${settings}
+
+| NAT entries from VAT should be
+| | [Documentation] | Uses VPP test API to retrieve NAT entries\
+| | ... | and compares against expected settings.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - information about a DUT node. Type: dictionary
+| | ... | - settings - NAT entry to expect. Type: dictionary
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| NAT entries from VAT should be \| ${nodes['DUT1']} \
+| | ... | \| ${settings} \|
+| | [Arguments] | ${node} | ${settings}
+| | ${data}= | VPP get NAT static mappings | ${node}
+| | Compare data structures | ${data} | ${settings}
+
+| Honeycomb configures NAT on interface
+| | [Documentation] | Uses Honeycomb API to configure NAT on an interface.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - information about a DUT node. Type: dictionary
+| | ... | - interface - name of an interface on the node. Type: string
+| | ... | - direction - NAT direction parameter, inbound or outbound.\
+| | ... | Type: string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Honeycomb configures NAT on interface \| ${nodes['DUT1']} \
+| | ... | \| GigabitEthernet0/8/0 \| outbound \|
+| | [Arguments] | ${node} | ${interface} | ${direction}
+| | Configure NAT on interface
+| | ... | ${node} | ${interface} | ${direction}
+
+| Honeycomb removes NAT interface configuration
+| | [Documentation] | Uses Honeycomb API to remove an existing NAT interface\
+| | ... | configuration.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - information about a DUT node. Type: dictionary
+| | ... | - interface - name of an interface on the node. Type: string
+| | ... | - direction - NAT direction parameter, inbound or outbound.\
+| | ... | Type: string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Honeycomb removes NAT interface configuration \| ${nodes['DUT1']} \
+| | ... | \| GigabitEthernet0/8/0 \| outbound \|
+| | [Arguments] | ${node} | ${interface} | ${direction}
+| | Configure NAT on interface
+| | ... | ${node} | ${interface} | ${direction} | ${True}
+
+| NAT interface configuration from Honeycomb should be
+| | [Documentation] | Uses Honeycomb API to retrieve interface operational data\
+| | ... | and compares the NAT section against expected settings.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - information about a DUT node. Type: dictionary
+| | ... | - interface - name of an interface on the node. Type: string
+| | ... | - direction - NAT direction parameter, inbound or outbound.\
+| | ... | Type: string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| NAT interface configuration from Honeycomb should be \
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| outbound \|
+| | [Arguments] | ${node} | ${interface} | ${direction}
+| | ${data}= | Get interface oper data | ${node} | ${interface}
+| | Variable should exist | ${data['interface-nat:nat']['${direction}']}
+
+| NAT interface configuration from Honeycomb should be empty
+| | [Documentation] | Uses Honeycomb API to retrieve interface operational data\
+| | ... | and expects to find no data for the given direction.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - information about a DUT node. Type: dictionary
+| | ... | - interface - name of an interface on the node. Type: string
+| | ... | - direction - NAT direction parameter, inbound or outbound.\
+| | ... | Type: string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| NAT interface configuration from Honeycomb should be empty \
+| | ... | \| ${nodes['DUT1']} \| GigabitEthernet0/8/0 \| outbound \|
+| | [Arguments] | ${node} | ${interface} | ${direction}
+| | ${data}= | Get interface oper data | ${node} | ${interface}
+| | Variable should not exist | ${data['interface-nat:nat']['${direction}']}
+
+| NAT interface configuration from VAT should be
+| | [Documentation] | Uses Honeycomb API to retrieve NAT configured interfaces\
+| | ... | and compares with expected settings.
+| | ...
+| | ... | *Arguments:*
+| | ... | - node - information about a DUT node. Type: dictionary
+| | ... | - settings - settings to expect. Type: dictionary
+| | ... | Type: string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| NAT interface configuration from VAT should be \
+| | ... | \| ${nodes['DUT1']} \| ${settings} \|
+| | [Arguments] | ${node} | ${settings}
+| | ${data}= | VPP get NAT interfaces | ${node}
+| | Compare data structures | ${data[0]} | ${settings}
diff --git a/resources/templates/honeycomb/config_nat.url b/resources/templates/honeycomb/config_nat.url
new file mode 100644 (file)
index 0000000..e323aed
--- /dev/null
@@ -0,0 +1 @@
+/restconf/config/ietf-nat:nat-config
\ No newline at end of file
diff --git a/resources/templates/honeycomb/oper_nat.url b/resources/templates/honeycomb/oper_nat.url
new file mode 100644 (file)
index 0000000..1445f40
--- /dev/null
@@ -0,0 +1 @@
+/restconf/operational/ietf-nat:nat-state
\ No newline at end of file
diff --git a/resources/templates/vat/snat/snat_interface_dump.vat b/resources/templates/vat/snat/snat_interface_dump.vat
new file mode 100644 (file)
index 0000000..599c82d
--- /dev/null
@@ -0,0 +1 @@
+snat_interface_dump
\ No newline at end of file
diff --git a/resources/templates/vat/snat/snat_mapping_dump.vat b/resources/templates/vat/snat/snat_mapping_dump.vat
new file mode 100644 (file)
index 0000000..7ac763b
--- /dev/null
@@ -0,0 +1 @@
+snat_static_mapping_dump
\ No newline at end of file
diff --git a/resources/test_data/honeycomb/nat.py b/resources/test_data/honeycomb/nat.py
new file mode 100644 (file)
index 0000000..d56fcff
--- /dev/null
@@ -0,0 +1,99 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Test variables for NAT test suite."""
+
+from resources.libraries.python.topology import Topology
+
+
+def get_variables(node, interface):
+    """Create and return a dictionary of test variables.
+
+    :param node: Honeycomb node.
+    :param interface: Name, link name or sw_if_index of an interface.
+    :type node: dict
+    :type interface: str or int
+
+    :returns: Dictionary of test variables - settings for Honeycomb's
+    NAT node and expected operational data.
+    :rtype: dict
+    """
+    sw_if_index = Topology.convert_interface_reference(
+        node, interface, "sw_if_index")
+
+    variables = {
+        "nat_empty": {
+            'nat-instances': {
+                'nat-instance': [{
+                    'id': 0}]
+            }
+        },
+        "entry1": {
+            "mapping-entry": [{
+                "index": 1,
+                "type": "static",
+                "internal-src-address": "192.168.0.1",
+                "external-src-address": "192.168.1.1"
+            }]
+        },
+        "entry2": {
+            "mapping-entry": [{
+                "index": 2,
+                "type": "static",
+                "internal-src-address": "192.168.0.2",
+                "external-src-address": "192.168.1.2"
+            }]
+        },
+        "entry1_2_oper": {
+            "mapping-entry": [
+                {
+                    "index": 1,
+                    "type": "static",
+                    "internal-src-address": "192.168.0.1",
+                    "external-src-address": "192.168.1.1"
+                },
+                {
+                    "index": 2,
+                    "type": "static",
+                    "internal-src-address": "192.168.0.2",
+                    "external-src-address": "192.168.1.2"
+                }
+            ]
+        },
+        "entry1_vat": [{
+            "local_address": "192.168.0.1",
+            "remote_address": "192.168.1.1",
+            "vrf": "0"
+        }],
+        "entry1_2_vat": [
+            {
+                "local_address": "192.168.0.1",
+                "remote_address": "192.168.1.1",
+                "vrf": "0"
+            }, {
+                "local_address": "192.168.0.2",
+                "remote_address": "192.168.1.2",
+                "vrf": "0"
+            }
+        ],
+        "nat_interface_vat_in": [
+            {"sw_if_index": sw_if_index,
+             "direction": "in"}
+        ],
+        "nat_interface_vat_out": [
+            {"sw_if_index": sw_if_index,
+             "direction": "out"}
+        ]
+    }
+
+    return variables
diff --git a/tests/func/honeycomb/130_nat.robot b/tests/func/honeycomb/130_nat.robot
new file mode 100644 (file)
index 0000000..d761cab
--- /dev/null
@@ -0,0 +1,104 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Variables***
+| ${interface}= | ${node['interfaces']['port1']['name']}
+
+*** Settings ***
+| Resource | resources/libraries/robot/default.robot
+| Resource | resources/libraries/robot/honeycomb/nat.robot
+| Resource | resources/libraries/robot/honeycomb/honeycomb.robot
+| Variables | resources/test_data/honeycomb/nat.py | ${node} | ${interface}
+| Documentation | *Honeycomb NAT test suite.*
+| Suite Teardown | Run Keyword If Any Tests Failed
+| ... | Restart Honeycomb And VPP And Clear Persisted Configuration | ${node}
+| Force Tags | honeycomb_sanity
+
+*** Test Cases ***
+| TC01: Honeycomb configures NAT entry
+| | [Documentation] | Honeycomb configures a static NAT entry.
+| | Given NAT configuration from Honeycomb should be empty
+| | ... | ${node} | ${nat_empty}
+| | When Honeycomb Configures NAT Entry | ${node} | ${entry1}
+| | Then NAT Entries From Honeycomb Should Be | ${node} | ${entry1}
+| | And NAT Entries From VAT Should Be | ${node} | ${entry1_vat}
+
+| TC02: Honeycomb removes NAT entry
+| | [Documentation] | Honeycomb removes a configured static NAT entry.
+| | Given NAT Entries From Honeycomb Should Be | ${node} | ${entry1}
+| | And NAT Entries From VAT Should Be | ${node} | ${entry1_vat}
+| | When Honeycomb Configures NAT Entry | ${node} | ${NONE}
+| | Then NAT configuration from Honeycomb should be empty
+| | ... | ${node} | ${nat_empty}
+
+| TC03: Honeycomb configures multiple NAT entries
+| | [Documentation] | Honeycomb configures two static NAT entries.
+| | [Teardown] | Honeycomb Configures NAT Entry | ${node} | ${NONE}
+| | Given NAT configuration from Honeycomb should be empty
+| | ... | ${node} | ${nat_empty}
+| | When Honeycomb Configures NAT Entry | ${node} | ${entry1} | ${0} | ${1}
+| | And Honeycomb Configures NAT Entry | ${node} | ${entry2} | ${0} | ${2}
+| | Then NAT Entries From Honeycomb Should Be
+| | ... | ${node} | ${entry1_2_oper} | ${0}
+| | And NAT Entries From VAT Should Be | ${node} | ${entry1_2_vat}
+
+| TC04: Honeycomb enables NAT on interface - inbound
+| | [Documentation] | Honeycomb configures NAT on an interface\
+| | ... | in inbound direction.
+# Interface config not visible in VAT - https://jira.fd.io/browse/HC2VPP-8
+| | [Tags] | EXPECTED_FAILING
+| | Given NAT Interface Configuration From Honeycomb Should Be Empty
+| | ... | ${node} | ${interface} | inbound
+| | And NAT Interface Configuration From Honeycomb Should Be Empty
+| | ... | ${node} | ${interface} | outbound
+| | When Honeycomb Configures NAT On Interface
+| | ... | ${node} | ${interface} | inbound
+| | Then NAT Interface Configuration From Honeycomb Should Be
+| | ... | ${node} | ${interface} | inbound
+| | And NAT Interface Configuration From VAT Should Be
+| | ... | ${node} | ${nat_interface_vat_in}
+| | And NAT Interface Configuration From Honeycomb Should be empty
+| | ... | ${node} | ${interface} | outbound
+
+| TC05: Honeycomb removes NAT interface configuration
+| | [Documentation] | Honeycomb removes NAT configuration from an interface.
+| | Given NAT Interface Configuration From Honeycomb Should Be
+| | ... | ${node} | ${interface} | inbound
+| | And NAT Interface Configuration From Honeycomb Should Be empty
+| | ... | ${node} | ${interface} | outbound
+| | When Honeycomb removes NAT interface configuration
+| | ... | ${node} | ${interface} | inbound
+| | Then NAT Interface Configuration From Honeycomb Should Be empty
+| | ... | ${node} | ${interface} | inbound
+| | And NAT Interface Configuration From Honeycomb Should Be empty
+| | ... | ${node} | ${interface} | outbound
+
+| TC06: Honeycomb enables NAT on interface - outbound
+| | [Documentation] | Honeycomb configures NAT on an interface\
+| | ... | in outbound direction.
+# Interface config not visible in VAT - https://jira.fd.io/browse/HC2VPP-8
+| | [Tags] | EXPECTED_FAILING
+| | [Teardown] | Honeycomb removes NAT interface configuration
+| | ... | ${node} | ${interface} | outbound
+| | Given NAT Interface Configuration From Honeycomb Should Be empty
+| | ... | ${node} | ${interface} | inbound
+| | And NAT Interface Configuration From Honeycomb Should Be empty
+| | ... | ${node} | ${interface} | outbound
+| | When Honeycomb Configures NAT on Interface
+| | ... | ${node} | ${interface} | outbound
+| | Then NAT Interface Configuration From Honeycomb Should Be empty
+| | ... | ${node} | ${interface} | inbound
+| | And NAT Interface Configuration From Honeycomb Should Be
+| | ... | ${node} | ${interface} | outbound
+| | And NAT Interface Configuration From VAT Should Be
+| | ... | ${node} | ${nat_interface_vat_out}

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