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-rw-r--r--spec/util_rfc6724_spec.lua97
1 files changed, 97 insertions, 0 deletions
diff --git a/spec/util_rfc6724_spec.lua b/spec/util_rfc6724_spec.lua
new file mode 100644
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+++ b/spec/util_rfc6724_spec.lua
@@ -0,0 +1,97 @@
+
+local rfc6724 = require "util.rfc6724";
+local new_ip = require"util.ip".new_ip;
+
+describe("util.rfc6724", function()
+ describe("#source()", function()
+ it("should work", function()
+ assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
+ {new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::1", "IPv6")}).addr,
+ "2001:db8:3::1",
+ "prefer appropriate scope");
+ assert.are.equal(rfc6724.source(new_ip("ff05::1", "IPv6"),
+ {new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::1", "IPv6")}).addr,
+ "2001:db8:3::1",
+ "prefer appropriate scope");
+ assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
+ {new_ip("2001:db8:1::1", "IPv6"), new_ip("2001:db8:2::1", "IPv6")}).addr,
+ "2001:db8:1::1",
+ "prefer same address"); -- "2001:db8:1::1" should be marked "deprecated" here, we don't handle that right now
+ assert.are.equal(rfc6724.source(new_ip("fe80::1", "IPv6"),
+ {new_ip("fe80::2", "IPv6"), new_ip("2001:db8:1::1", "IPv6")}).addr,
+ "fe80::2",
+ "prefer appropriate scope"); -- "fe80::2" should be marked "deprecated" here, we don't handle that right now
+ assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
+ {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::2", "IPv6")}).addr,
+ "2001:db8:1::2",
+ "longest matching prefix");
+ --[[ "2001:db8:1::2" should be a care-of address and "2001:db8:3::2" a home address, we can't handle this and would fail
+ assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
+ {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::2", "IPv6")}).addr,
+ "2001:db8:3::2",
+ "prefer home address");
+ ]]
+ assert.are.equal(rfc6724.source(new_ip("2002:c633:6401::1", "IPv6"),
+ {new_ip("2002:c633:6401::d5e3:7953:13eb:22e8", "IPv6"), new_ip("2001:db8:1::2", "IPv6")}).addr,
+ "2002:c633:6401::d5e3:7953:13eb:22e8",
+ "prefer matching label"); -- "2002:c633:6401::d5e3:7953:13eb:22e8" should be marked "temporary" here, we don't handle that right now
+ assert.are.equal(rfc6724.source(new_ip("2001:db8:1::d5e3:0:0:1", "IPv6"),
+ {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:1::d5e3:7953:13eb:22e8", "IPv6")}).addr,
+ "2001:db8:1::d5e3:7953:13eb:22e8",
+ "prefer temporary address") -- "2001:db8:1::2" should be marked "public" and "2001:db8:1::d5e3:7953:13eb:22e8" should be marked "temporary" here, we don't handle that right now
+ end);
+ end);
+ describe("#destination()", function()
+ it("should work", function()
+ local order;
+ order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("198.51.100.121", "IPv4")},
+ {new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::1", "IPv6"), new_ip("169.254.13.78", "IPv4")})
+ assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer matching scope");
+ assert.are.equal(order[2].addr, "198.51.100.121", "prefer matching scope");
+
+ order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("198.51.100.121", "IPv4")},
+ {new_ip("fe80::1", "IPv6"), new_ip("198.51.100.117", "IPv4")})
+ assert.are.equal(order[1].addr, "198.51.100.121", "prefer matching scope");
+ assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer matching scope");
+
+ order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("10.1.2.3", "IPv4")},
+ {new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::1", "IPv6"), new_ip("10.1.2.4", "IPv4")})
+ assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer higher precedence");
+ assert.are.equal(order[2].addr, "10.1.2.3", "prefer higher precedence");
+
+ order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
+ {new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
+ assert.are.equal(order[1].addr, "fe80::1", "prefer smaller scope");
+ assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer smaller scope");
+
+ --[[ "2001:db8:1::2" and "fe80::2" should be marked "care-of address", while "2001:db8:3::1" should be marked "home address", we can't currently handle this and would fail the test
+ order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
+ {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::2", "IPv6")})
+ assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer home address");
+ assert.are.equal(order[2].addr, "fe80::1", "prefer home address");
+ ]]
+
+ --[[ "fe80::2" should be marked "deprecated", we can't currently handle this and would fail the test
+ order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
+ {new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
+ assert.are.equal(order[1].addr, "2001:db8:1::1", "avoid deprecated addresses");
+ assert.are.equal(order[2].addr, "fe80::1", "avoid deprecated addresses");
+ ]]
+
+ order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("2001:db8:3ffe::1", "IPv6")},
+ {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3f44::2", "IPv6"), new_ip("fe80::2", "IPv6")})
+ assert.are.equal(order[1].addr, "2001:db8:1::1", "longest matching prefix");
+ assert.are.equal(order[2].addr, "2001:db8:3ffe::1", "longest matching prefix");
+
+ order = rfc6724.destination({new_ip("2002:c633:6401::1", "IPv6"), new_ip("2001:db8:1::1", "IPv6")},
+ {new_ip("2002:c633:6401::2", "IPv6"), new_ip("fe80::2", "IPv6")})
+ assert.are.equal(order[1].addr, "2002:c633:6401::1", "prefer matching label");
+ assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer matching label");
+
+ order = rfc6724.destination({new_ip("2002:c633:6401::1", "IPv6"), new_ip("2001:db8:1::1", "IPv6")},
+ {new_ip("2002:c633:6401::2", "IPv6"), new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
+ assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer higher precedence");
+ assert.are.equal(order[2].addr, "2002:c633:6401::1", "prefer higher precedence");
+ end);
+ end);
+end);