Adds weight on ServersLoadBalancer

integration/simple_test.go

@@ -809,6 +809,49 @@ func (s *SimpleSuite) TestUDPServiceConfigErrors() {
 	require.NoError(s.T(), err)
 }
 
+func (s *SimpleSuite) TestWRRServer() {
+	s.createComposeProject("base")
+
+	s.composeUp()
+	defer s.composeDown()
+
+	whoami1IP := s.getComposeServiceIP("whoami1")
+	whoami2IP := s.getComposeServiceIP("whoami2")
+
+	file := s.adaptFile("fixtures/wrr_server.toml", struct {
+		Server1 string
+		Server2 string
+	}{Server1: "http://" + whoami1IP, Server2: "http://" + whoami2IP})
+
+	s.traefikCmd(withConfigFile(file))
+
+	err := try.GetRequest("http://127.0.0.1:8080/api/http/services", 1000*time.Millisecond, try.BodyContains("service1"))
+	require.NoError(s.T(), err)
+
+	repartition := map[string]int{}
+	for i := 0; i < 4; i++ {
+		req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/whoami", nil)
+		require.NoError(s.T(), err)
+
+		response, err := http.DefaultClient.Do(req)
+		require.NoError(s.T(), err)
+		assert.Equal(s.T(), http.StatusOK, response.StatusCode)
+
+		body, err := io.ReadAll(response.Body)
+		require.NoError(s.T(), err)
+
+		if strings.Contains(string(body), whoami1IP) {
+			repartition[whoami1IP]++
+		}
+		if strings.Contains(string(body), whoami2IP) {
+			repartition[whoami2IP]++
+		}
+	}
+
+	assert.Equal(s.T(), 3, repartition[whoami1IP])
+	assert.Equal(s.T(), 1, repartition[whoami2IP])
+}
+
 func (s *SimpleSuite) TestWRR() {
 	s.createComposeProject("base")