diff --git a/test/models/chan.js b/test/models/chan.js
index 77dc1752..02dc039a 100644
--- a/test/models/chan.js
+++ b/test/models/chan.js
@@ -145,4 +145,91 @@ describe("Chan", function() {
 			]);
 		});
 	});
+
+	describe("#getFilteredClone(lastActiveChannel, lastMessage)", function() {
+		it("should send empty user list", function() {
+			const chan = new Chan();
+			chan.setUser(new User({nick: "test"}));
+
+			expect(chan.getFilteredClone().users).to.be.empty;
+		});
+
+		it("should keep necessary properties", function() {
+			const chan = new Chan();
+
+			expect(chan.getFilteredClone()).to.be.an("object").that.has.all.keys(
+				"firstUnread",
+				"highlight",
+				"id",
+				"key",
+				"messages",
+				"name",
+				"topic",
+				"type",
+				"unread",
+				"users"
+			);
+		});
+
+		it("should send only last message for non active channel", function() {
+			const chan = new Chan({
+				id: 1337,
+				messages: [
+					new Msg({id: 10}),
+					new Msg({id: 11}),
+					new Msg({id: 12}),
+					new Msg({id: 13}),
+				],
+			});
+
+			expect(chan.id).to.equal(1337);
+
+			const messages = chan.getFilteredClone(999).messages;
+
+			expect(messages).to.have.lengthOf(1);
+			expect(messages[0].id).to.equal(13);
+		});
+
+		it("should send more messages for active channel", function() {
+			const chan = new Chan({
+				id: 1337,
+				messages: [
+					new Msg({id: 10}),
+					new Msg({id: 11}),
+					new Msg({id: 12}),
+					new Msg({id: 13}),
+				],
+			});
+
+			expect(chan.id).to.equal(1337);
+
+			const messages = chan.getFilteredClone(1337).messages;
+
+			expect(messages).to.have.lengthOf(4);
+			expect(messages[0].id).to.equal(10);
+			expect(messages[3].id).to.equal(13);
+		});
+
+		it("should only send new messages", function() {
+			const chan = new Chan({
+				id: 1337,
+				messages: [
+					new Msg({id: 10}),
+					new Msg({id: 11}),
+					new Msg({id: 12}),
+					new Msg({id: 13}),
+					new Msg({id: 14}),
+					new Msg({id: 15}),
+				],
+			});
+
+			expect(chan.id).to.equal(1337);
+
+			const messages = chan.getFilteredClone(1337, 12).messages;
+
+			expect(messages).to.have.lengthOf(3);
+			expect(messages[0].id).to.equal(13);
+			expect(messages[2].id).to.equal(15);
+		});
+	});
 });
diff --git a/test/models/network.js b/test/models/network.js
index a8a97895..97354295 100644
--- a/test/models/network.js
+++ b/test/models/network.js
@@ -1,10 +1,10 @@
 "use strict";
 
-var expect = require("chai").expect;
-
-var Chan = require("../../src/models/chan");
-var Msg = require("../../src/models/msg");
-var Network = require("../../src/models/network");
+const expect = require("chai").expect;
+const Chan = require("../../src/models/chan");
+const Msg = require("../../src/models/msg");
+const User = require("../../src/models/user");
+const Network = require("../../src/models/network");
 
 describe("Network", function() {
 	describe("#export()", function() {
@@ -91,4 +91,38 @@ describe("Network", function() {
 			expect(network.channels[1].messages[2].text).to.equal("message after network creation");
 		});
 	});
+
+	describe("#getFilteredClone(lastActiveChannel, lastMessage)", function() {
+		it("should filter channels", function() {
+			const chan = new Chan();
+			chan.setUser(new User({nick: "test"}));
+
+			const network = new Network({
+				channels: [
+					chan,
+				],
+			});
+
+			expect(network.channels[0].users).to.be.empty;
+		});
+
+		it("should keep necessary properties", function() {
+			const network = new Network();
+
+			expect(network.getFilteredClone()).to.be.an("object").that.has.all.keys(
+				"channels",
+				"commands",
+				"host",
+				"hostname",
+				"id",
+				"ip",
+				"name",
+				"port",
+				"realname",
+				"serverOptions",
+				"tls",
+				"username"
+			);
+		});
+	});
 });