Testing that /usr/share/nftables.d/ includes are automatically processed.
   
   -- Testcase --
   {%
           include("./root/usr/share/firewall4/main.uc", {
                   getenv: function(varname) {
                           switch (varname) {
                           case 'ACTION':
                                   return 'print';
                          }
                  }
          })
  %}
  -- End --
  
  -- File uci/helpers.json --
  {}
  -- End --
  
  -- File fs/open~_sys_class_net_eth0_flags.txt --
  0x1103
  -- End --
  
  -- File fs/open~_etc_testinclude1_nft.txt --
  # dummy
  -- End --
  
  -- File fs/open~_etc_testinclude2_nft.txt --
  # dummy
  -- End --
  
  -- File fs/open~_etc_testinclude3_nft.txt --
  # dummy
  -- End --
  
  -- File uci/firewall.json --
  {
          "zone": [
                  {
                          "name": "test",
                          "device": [ "eth0" ],
                          "auto_helper": 0
                  }
          ],
          "include": [
                  {
                          ".description": "By default, this include should be processed due to implicit enabled 1",
                          "path": "/etc/testinclude1.nft",
                          "type": "nftables"
                  },
  
                  {
                          ".description": "This include should be processed due to explicit enabled 1",
                          "path": "/etc/testinclude2.nft",
                          "type": "nftables",
                          "enabled": "1"
                  },
  
                  {
                          ".description": "This include should be skipped due to explicit enabled 0",
                          "path": "/etc/testinclude3.nft",
                          "type": "nftables",
                          "enabled": "0"
                  }
          ]
  }
  -- End --
  
  -- Expect stderr --
  [!] Section @include[2] is disabled, ignoring section
  -- End --
  
  -- Expect stdout --
  table inet fw4
  flush table inet fw4
  
  table inet fw4 {
          #
          # Defines
          #
  
          define test_devices = { "eth0" }
          define test_subnets = {  }
  
  
          #
          # User includes
          #
  
          include "/etc/nftables.d/*.nft"
  
  
          #
          # Filter rules
          #
  
          chain input {
                  type filter hook input priority filter; policy drop;
  
                 iif "lo" accept comment "!fw4: Accept traffic from loopback"
 
                 ct state vmap { established : accept, related : accept } comment "!fw4: Handle inbound flows"
                 iifname "eth0" jump input_test comment "!fw4: Handle test IPv4/IPv6 input traffic"
         }
 
         chain forward {
                 type filter hook forward priority filter; policy drop;
 
                 ct state vmap { established : accept, related : accept } comment "!fw4: Handle forwarded flows"
                 iifname "eth0" jump forward_test comment "!fw4: Handle test IPv4/IPv6 forward traffic"
         }
 
         chain output {
                 type filter hook output priority filter; policy drop;
 
                 oif "lo" accept comment "!fw4: Accept traffic towards loopback"
 
                 ct state vmap { established : accept, related : accept } comment "!fw4: Handle outbound flows"
                 oifname "eth0" jump output_test comment "!fw4: Handle test IPv4/IPv6 output traffic"
         }
 
         chain prerouting {
                 type filter hook prerouting priority filter; policy accept;
         }
 
         chain handle_reject {
                 meta l4proto tcp reject with tcp reset comment "!fw4: Reject TCP traffic"
                 reject with icmpx type port-unreachable comment "!fw4: Reject any other traffic"
         }
 
         chain input_test {
                 jump drop_from_test
         }
 
         chain output_test {
                 jump drop_to_test
         }
 
         chain forward_test {
                 jump drop_to_test
         }
 
         chain drop_from_test {
                 iifname "eth0" counter drop comment "!fw4: drop test IPv4/IPv6 traffic"
         }
 
         chain drop_to_test {
                 oifname "eth0" counter drop comment "!fw4: drop test IPv4/IPv6 traffic"
         }
 
 
         #
         # NAT rules
         #
 
         chain dstnat {
                 type nat hook prerouting priority dstnat; policy accept;
         }
 
         chain srcnat {
                 type nat hook postrouting priority srcnat; policy accept;
         }
 
 
         #
         # Raw rules (notrack)
         #
 
         chain raw_prerouting {
                 type filter hook prerouting priority raw; policy accept;
         }
 
         chain raw_output {
                 type filter hook output priority raw; policy accept;
         }
 
 
         #
         # Mangle rules
         #
 
         chain mangle_prerouting {
                 type filter hook prerouting priority mangle; policy accept;
         }
 
         chain mangle_postrouting {
                 type filter hook postrouting priority mangle; policy accept;
         }
 
         chain mangle_input {
                 type filter hook input priority mangle; policy accept;
         }
 
         chain mangle_output {
                 type route hook output priority mangle; policy accept;
         }
 
         chain mangle_forward {
                 type filter hook forward priority mangle; policy accept;
         }
 
         include "/etc/testinclude1.nft"
         include "/etc/testinclude2.nft"
 }
 -- End --

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