diff options
Diffstat (limited to 'spec/util_rfc6724_spec.lua')
| -rw-r--r-- | spec/util_rfc6724_spec.lua | 97 |
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 index 00000000..30e935b6 --- /dev/null +++ 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); |