Diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spec/util_jid_spec.lua	Fri Sep 15 17:07:57 2017 -0400
@@ -0,0 +1,146 @@
+
+local jid = require "util.jid";
+
+describe("util.jid", function()
+	describe("#join()", function()
+		it("should work", function()
+			assert.are.equal(jid.join("a", "b", "c"), "a@b/c", "builds full JID");
+			assert.are.equal(jid.join("a", "b", nil), "a@b", "builds bare JID");
+			assert.are.equal(jid.join(nil, "b", "c"), "b/c", "builds full host JID");
+			assert.are.equal(jid.join(nil, "b", nil), "b", "builds bare host JID");
+			assert.are.equal(jid.join(nil, nil, nil), nil, "invalid JID is nil");
+			assert.are.equal(jid.join("a", nil, nil), nil, "invalid JID is nil");
+			assert.are.equal(jid.join(nil, nil, "c"), nil, "invalid JID is nil");
+			assert.are.equal(jid.join("a", nil, "c"), nil, "invalid JID is nil");
+		end);
+	end);
+	describe("#split()", function()
+		it("should work", function()
+			local function test(input_jid, expected_node, expected_server, expected_resource)
+				local rnode, rserver, rresource = jid.split(input_jid);
+				assert.are.equal(expected_node, rnode, "split("..tostring(input_jid)..") failed");
+				assert.are.equal(expected_server, rserver, "split("..tostring(input_jid)..") failed");
+				assert.are.equal(expected_resource, rresource, "split("..tostring(input_jid)..") failed");
+			end
+
+			-- Valid JIDs
+			test("node@server", 		"node", "server", nil		);
+			test("node@server/resource", 	"node", "server", "resource"        );
+			test("server", 			nil, 	"server", nil               );
+			test("server/resource", 	nil, 	"server", "resource"        );
+			test("server/resource@foo", 	nil, 	"server", "resource@foo"    );
+			test("server/resource@foo/bar",	nil, 	"server", "resource@foo/bar");
+
+			-- Always invalid JIDs
+			test(nil,                nil, nil, nil);
+			test("node@/server",     nil, nil, nil);
+			test("@server",          nil, nil, nil);
+			test("@server/resource", nil, nil, nil);
+			test("@/resource", nil, nil, nil);
+		end);
+	end);
+
+
+	describe("#bare()", function()
+		it("should work", function()
+			assert.are.equal(jid.bare("user@host"), "user@host", "bare JID remains bare");
+			assert.are.equal(jid.bare("host"), "host", "Host JID remains host");
+			assert.are.equal(jid.bare("host/resource"), "host", "Host JID with resource becomes host");
+			assert.are.equal(jid.bare("user@host/resource"), "user@host", "user@host JID with resource becomes user@host");
+			assert.are.equal(jid.bare("user@/resource"), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare("@/resource"), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare("@/"), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare("/"), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare(""), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare("@"), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare("user@"), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare("user@@"), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare("user@@host"), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare("user@@host/resource"), nil, "invalid JID is nil");
+			assert.are.equal(jid.bare("user@host/"), nil, "invalid JID is nil");
+		end);
+	end);
+
+	describe("#compare()", function()
+		it("should work", function()
+			assert.are.equal(jid.compare("host", "host"), true, "host should match");
+			assert.are.equal(jid.compare("host", "other-host"), false, "host should not match");
+			assert.are.equal(jid.compare("other-user@host/resource", "host"), true, "host should match");
+			assert.are.equal(jid.compare("other-user@host", "user@host"), false, "user should not match");
+			assert.are.equal(jid.compare("user@host", "host"), true, "host should match");
+			assert.are.equal(jid.compare("user@host/resource", "host"), true, "host should match");
+			assert.are.equal(jid.compare("user@host/resource", "user@host"), true, "user and host should match");
+			assert.are.equal(jid.compare("user@other-host", "host"), false, "host should not match");
+			assert.are.equal(jid.compare("user@other-host", "user@host"), false, "host should not match");
+		end);
+	end);
+
+	it("should work with nodes", function()
+		local function test(_jid, expected_node)
+			assert.are.equal(jid.node(_jid), expected_node, "Unexpected node for "..tostring(_jid));
+		end
+
+		test("example.com", nil);
+		test("foo.example.com", nil);
+		test("foo.example.com/resource", nil);
+		test("foo.example.com/some resource", nil);
+		test("foo.example.com/some@resource", nil);
+
+		test("foo@foo.example.com/some@resource", "foo");
+		test("foo@example/some@resource", "foo");
+
+		test("foo@example/@resource", "foo");
+		test("foo@example@resource", nil);
+		test("foo@example", "foo");
+		test("foo", nil);
+
+		test(nil, nil);
+	end);
+
+	it("should work with hosts", function()
+		local function test(_jid, expected_host)
+			assert.are.equal(jid.host(_jid), expected_host, "Unexpected host for "..tostring(_jid));
+		end
+
+		test("example.com", "example.com");
+		test("foo.example.com", "foo.example.com");
+		test("foo.example.com/resource", "foo.example.com");
+		test("foo.example.com/some resource", "foo.example.com");
+		test("foo.example.com/some@resource", "foo.example.com");
+
+		test("foo@foo.example.com/some@resource", "foo.example.com");
+		test("foo@example/some@resource", "example");
+
+		test("foo@example/@resource", "example");
+		test("foo@example@resource", nil);
+		test("foo@example", "example");
+		test("foo", "foo");
+
+		test(nil, nil);
+	end);
+
+	it("should work with resources", function()
+		local function test(_jid, expected_resource)
+			assert.are.equal(jid.resource(_jid), expected_resource, "Unexpected resource for "..tostring(_jid));
+		end
+
+		test("example.com", nil);
+		test("foo.example.com", nil);
+		test("foo.example.com/resource", "resource");
+		test("foo.example.com/some resource", "some resource");
+		test("foo.example.com/some@resource", "some@resource");
+
+		test("foo@foo.example.com/some@resource", "some@resource");
+		test("foo@example/some@resource", "some@resource");
+
+		test("foo@example/@resource", "@resource");
+		test("foo@example@resource", nil);
+		test("foo@example", nil);
+		test("foo", nil);
+		test("/foo", nil);
+		test("@x/foo", nil);
+		test("@/foo", nil);
+
+		test(nil, nil);
+	end);
+end);