init

tests/cidr-tests.nix

@@ -0,0 +1,315 @@
+{
+  lib,
+  cidr,
+}:
+
+let
+  inherit (lib) runTests;
+
+in
+runTests {
+  testParseBasic = {
+    expr = cidr.parse "192.168.1.0/24";
+    expected = {
+      address = 3232235776;
+      prefixLen = 24;
+    };
+  };
+
+  testParseSlash32 = {
+    expr = cidr.parse "10.0.0.1/32";
+    expected = {
+      address = 167772161;
+      prefixLen = 32;
+    };
+  };
+
+  testParseSlash0 = {
+    expr = cidr.parse "0.0.0.0/0";
+    expected = {
+      address = 0;
+      prefixLen = 0;
+    };
+  };
+
+  testMakeBasic = {
+    expr = cidr.make "192.168.1.0" 24;
+    expected = {
+      address = 3232235776;
+      prefixLen = 24;
+    };
+  };
+
+  testFormatBasic = {
+    expr = cidr.format {
+      address = 3232235776;
+      prefixLen = 24;
+    };
+    expected = "192.168.1.0/24";
+  };
+
+  testNetmask24 = {
+    expr = cidr.netmaskStr 24;
+    expected = "255.255.255.0";
+  };
+
+  testNetmask16 = {
+    expr = cidr.netmaskStr 16;
+    expected = "255.255.0.0";
+  };
+
+  testNetmask8 = {
+    expr = cidr.netmaskStr 8;
+    expected = "255.0.0.0";
+  };
+
+  testNetmask32 = {
+    expr = cidr.netmaskStr 32;
+    expected = "255.255.255.255";
+  };
+
+  testNetmask0 = {
+    expr = cidr.netmaskStr 0;
+    expected = "0.0.0.0";
+  };
+
+  testNetmask25 = {
+    expr = cidr.netmaskStr 25;
+    expected = "255.255.255.128";
+  };
+
+  testWildcard24 = {
+    expr = cidr.wildcardStr 24;
+    expected = "0.0.0.255";
+  };
+
+  testWildcard16 = {
+    expr = cidr.wildcardStr 16;
+    expected = "0.0.255.255";
+  };
+
+  testNetworkBasic = {
+    expr = cidr.networkStr "192.168.1.50/24";
+    expected = "192.168.1.0";
+  };
+
+  testNetworkAlreadyNetwork = {
+    expr = cidr.networkStr "192.168.1.0/24";
+    expected = "192.168.1.0";
+  };
+
+  testNetworkSlash16 = {
+    expr = cidr.networkStr "172.16.45.67/16";
+    expected = "172.16.0.0";
+  };
+
+  testBroadcastBasic = {
+    expr = cidr.broadcastStr "192.168.1.0/24";
+    expected = "192.168.1.255";
+  };
+
+  testBroadcastSlash16 = {
+    expr = cidr.broadcastStr "172.16.0.0/16";
+    expected = "172.16.255.255";
+  };
+
+  testBroadcastSlash30 = {
+    expr = cidr.broadcastStr "192.168.1.0/30";
+    expected = "192.168.1.3";
+  };
+
+  testFirstHostBasic = {
+    expr = cidr.firstHostStr "192.168.1.0/24";
+    expected = "192.168.1.1";
+  };
+
+  testLastHostBasic = {
+    expr = cidr.lastHostStr "192.168.1.0/24";
+    expected = "192.168.1.254";
+  };
+
+  testFirstHostSlash31 = {
+    expr = cidr.firstHostStr "192.168.1.0/31";
+    expected = "192.168.1.0";
+  };
+
+  testLastHostSlash31 = {
+    expr = cidr.lastHostStr "192.168.1.0/31";
+    expected = "192.168.1.1";
+  };
+
+  testFirstHostSlash32 = {
+    expr = cidr.firstHostStr "192.168.1.1/32";
+    expected = "192.168.1.1";
+  };
+
+  testSize24 = {
+    expr = cidr.size "192.168.1.0/24";
+    expected = 256;
+  };
+
+  testSize16 = {
+    expr = cidr.size "172.16.0.0/16";
+    expected = 65536;
+  };
+
+  testSize32 = {
+    expr = cidr.size "192.168.1.1/32";
+    expected = 1;
+  };
+
+  testSize30 = {
+    expr = cidr.size "192.168.1.0/30";
+    expected = 4;
+  };
+
+  testHostCount24 = {
+    expr = cidr.hostCount "192.168.1.0/24";
+    expected = 254;
+  };
+
+  testHostCount30 = {
+    expr = cidr.hostCount "192.168.1.0/30";
+    expected = 2;
+  };
+
+  testHostCount31 = {
+    expr = cidr.hostCount "192.168.1.0/31";
+    expected = 2;
+  };
+
+  testHostCount32 = {
+    expr = cidr.hostCount "192.168.1.1/32";
+    expected = 1;
+  };
+
+  testContainsTrue = {
+    expr = cidr.contains "10.0.0.0/8" "10.1.2.3";
+    expected = true;
+  };
+
+  testContainsFalse = {
+    expr = cidr.contains "10.0.0.0/8" "192.168.1.1";
+    expected = false;
+  };
+
+  testContainsNetwork = {
+    expr = cidr.contains "192.168.1.0/24" "192.168.1.0";
+    expected = true;
+  };
+
+  testContainsBroadcast = {
+    expr = cidr.contains "192.168.1.0/24" "192.168.1.255";
+    expected = true;
+  };
+
+  testContainsEdgeFalse = {
+    expr = cidr.contains "192.168.1.0/24" "192.168.2.0";
+    expected = false;
+  };
+
+  testIsSubnetOfTrue = {
+    expr = cidr.isSubnetOf "10.0.0.0/8" "10.1.0.0/16";
+    expected = true;
+  };
+
+  testIsSubnetOfFalse = {
+    expr = cidr.isSubnetOf "10.0.0.0/8" "192.168.0.0/16";
+    expected = false;
+  };
+
+  testIsSubnetOfSame = {
+    expr = cidr.isSubnetOf "10.0.0.0/8" "10.0.0.0/8";
+    expected = true;
+  };
+
+  testIsSubnetOfLarger = {
+    expr = cidr.isSubnetOf "10.1.0.0/16" "10.0.0.0/8";
+    expected = false;
+  };
+
+  testHostBasic = {
+    expr = cidr.hostStr "192.168.1.0/24" 5;
+    expected = "192.168.1.5";
+  };
+
+  testHostZero = {
+    expr = cidr.hostStr "192.168.1.0/24" 0;
+    expected = "192.168.1.0";
+  };
+
+  testHostLast = {
+    expr = cidr.hostStr "192.168.1.0/24" 255;
+    expected = "192.168.1.255";
+  };
+
+  testSubnetFirst = {
+    expr = cidr.format (cidr.subnet "192.168.0.0/24" 26 0);
+    expected = "192.168.0.0/26";
+  };
+
+  testSubnetSecond = {
+    expr = cidr.format (cidr.subnet "192.168.0.0/24" 26 1);
+    expected = "192.168.0.64/26";
+  };
+
+  testSubnetLast = {
+    expr = cidr.format (cidr.subnet "192.168.0.0/24" 26 3);
+    expected = "192.168.0.192/26";
+  };
+
+  testSubnetsCount = {
+    expr = builtins.length (cidr.subnets "192.168.0.0/24" 26);
+    expected = 4;
+  };
+
+  testSubnetsStr = {
+    expr = cidr.subnetsStr "192.168.0.0/24" 26;
+    expected = [
+      "192.168.0.0/26"
+      "192.168.0.64/26"
+      "192.168.0.128/26"
+      "192.168.0.192/26"
+    ];
+  };
+
+  testOverlapsTrue = {
+    expr = cidr.overlaps "192.168.1.0/24" "192.168.0.0/16";
+    expected = true;
+  };
+
+  testOverlapsFalse = {
+    expr = cidr.overlaps "192.168.1.0/24" "10.0.0.0/8";
+    expected = false;
+  };
+
+  testOverlapsAdjacent = {
+    expr = cidr.overlaps "192.168.1.0/24" "192.168.2.0/24";
+    expected = false;
+  };
+
+  testPrefixForHosts100 = {
+    expr = cidr.prefixForHosts 100;
+    expected = 25;
+  };
+
+  testPrefixForHosts254 = {
+    expr = cidr.prefixForHosts 254;
+    expected = 24;
+  };
+
+  testPrefixForHosts1 = {
+    expr = cidr.prefixForHosts 1;
+    expected = 32;
+  };
+
+  testPrefixForSize256 = {
+    expr = cidr.prefixForSize 256;
+    expected = 24;
+  };
+
+  testPrefixForSize1 = {
+    expr = cidr.prefixForSize 1;
+    expected = 32;
+  };
+}