/* * MinIO Cloud Storage, (C) 2017,2018,2019 MinIO, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package cmd import ( "flag" "fmt" "net" "net/url" "reflect" "strings" "testing" "github.com/minio/cli" "github.com/minio/minio-go/v6/pkg/set" ) func TestSubOptimalEndpointInput(t *testing.T) { args1 := []string{"http://localhost/d1", "http://localhost/d2", "http://localhost/d3", "http://localhost/d4"} args2 := []string{"http://example.org/d1", "http://example.com/d1", "http://example.net/d1", "http://example.edu/d1"} tests := []struct { setupType SetupType ctx *cli.Context endpoints EndpointZones isErr bool }{ { setupType: DistXLSetupType, ctx: cli.NewContext(cli.NewApp(), flag.NewFlagSet("", flag.ContinueOnError), nil), endpoints: mustGetZoneEndpoints(args1...), isErr: false, }, { setupType: DistXLSetupType, ctx: cli.NewContext(cli.NewApp(), flag.NewFlagSet("", flag.ContinueOnError), nil), endpoints: mustGetZoneEndpoints(args2...), isErr: false, }, } for i, test := range tests { test := test t.Run(fmt.Sprintf("Test%d", i+1), func(t *testing.T) { err := checkEndpointsSubOptimal(test.ctx, test.setupType, test.endpoints) if test.isErr && err == nil { t.Error("expected err but found nil") } if !test.isErr && err != nil { t.Errorf("expected err nil but found an err %s", err) } }) } } func TestNewEndpoint(t *testing.T) { u2, _ := url.Parse("https://example.org/path") u4, _ := url.Parse("http://192.168.253.200/path") testCases := []struct { arg string expectedEndpoint Endpoint expectedType EndpointType expectedErr error }{ {"foo", Endpoint{URL: &url.URL{Path: "foo"}, IsLocal: true}, PathEndpointType, nil}, {"/foo", Endpoint{URL: &url.URL{Path: "/foo"}, IsLocal: true}, PathEndpointType, nil}, {`\foo`, Endpoint{URL: &url.URL{Path: `\foo`}, IsLocal: true}, PathEndpointType, nil}, {"C", Endpoint{URL: &url.URL{Path: `C`}, IsLocal: true}, PathEndpointType, nil}, {"C:", Endpoint{URL: &url.URL{Path: `C:`}, IsLocal: true}, PathEndpointType, nil}, {"C:/", Endpoint{URL: &url.URL{Path: "C:"}, IsLocal: true}, PathEndpointType, nil}, {`C:\`, Endpoint{URL: &url.URL{Path: `C:\`}, IsLocal: true}, PathEndpointType, nil}, {`C:\foo`, Endpoint{URL: &url.URL{Path: `C:\foo`}, IsLocal: true}, PathEndpointType, nil}, {"C:/foo", Endpoint{URL: &url.URL{Path: "C:/foo"}, IsLocal: true}, PathEndpointType, nil}, {`C:\\foo`, Endpoint{URL: &url.URL{Path: `C:\\foo`}, IsLocal: true}, PathEndpointType, nil}, {"http:path", Endpoint{URL: &url.URL{Path: "http:path"}, IsLocal: true}, PathEndpointType, nil}, {"http:/path", Endpoint{URL: &url.URL{Path: "http:/path"}, IsLocal: true}, PathEndpointType, nil}, {"http:///path", Endpoint{URL: &url.URL{Path: "http:/path"}, IsLocal: true}, PathEndpointType, nil}, {"https://example.org/path", Endpoint{URL: u2, IsLocal: false}, URLEndpointType, nil}, {"http://192.168.253.200/path", Endpoint{URL: u4, IsLocal: false}, URLEndpointType, nil}, {"", Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")}, {SlashSeparator, Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")}, {`\`, Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")}, {"c://foo", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format")}, {"ftp://foo", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format")}, {"http://server/path?location", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format")}, {"http://:/path", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format: invalid port number")}, {"http://:8080/path", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format: empty host name")}, {"http://server:/path", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format: invalid port number")}, {"https://93.184.216.34:808080/path", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format: port number must be between 1 to 65535")}, {"http://server:8080//", Endpoint{}, -1, fmt.Errorf("empty or root path is not supported in URL endpoint")}, {"http://server:8080/", Endpoint{}, -1, fmt.Errorf("empty or root path is not supported in URL endpoint")}, {"192.168.1.210:9000", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format: missing scheme http or https")}, } for _, testCase := range testCases { testCase := testCase t.Run("", func(t *testing.T) { endpoint, err := NewEndpoint(testCase.arg) if err == nil { err = endpoint.UpdateIsLocal() } if testCase.expectedErr == nil { if err != nil { t.Errorf("error: expected = , got = %v", err) } } else if err == nil { t.Errorf("error: expected = %v, got = ", testCase.expectedErr) } else if testCase.expectedErr.Error() != err.Error() { t.Errorf("error: expected = %v, got = %v", testCase.expectedErr, err) } if err == nil && !reflect.DeepEqual(testCase.expectedEndpoint, endpoint) { t.Errorf("endpoint: expected = %#v, got = %#v", testCase.expectedEndpoint, endpoint) } if err == nil && testCase.expectedType != endpoint.Type() { t.Errorf("type: expected = %+v, got = %+v", testCase.expectedType, endpoint.Type()) } }) } } func TestNewEndpoints(t *testing.T) { testCases := []struct { args []string expectedErr error }{ {[]string{"d1", "d2", "d3", "d4"}, nil}, {[]string{"/d1", "/d2", "/d3", "/d4"}, nil}, {[]string{"http://localhost/d1", "http://localhost/d2", "http://localhost/d3", "http://localhost/d4"}, nil}, {[]string{"http://example.org/d1", "http://example.com/d1", "http://example.net/d1", "http://example.edu/d1"}, nil}, {[]string{"http://localhost/d1", "http://localhost/d2", "http://example.org/d1", "http://example.org/d2"}, nil}, {[]string{"https://localhost:9000/d1", "https://localhost:9001/d2", "https://localhost:9002/d3", "https://localhost:9003/d4"}, nil}, // // It is valid WRT endpoint list that same path is expected with different port on same server. {[]string{"https://127.0.0.1:9000/d1", "https://127.0.0.1:9001/d1", "https://127.0.0.1:9002/d1", "https://127.0.0.1:9003/d1"}, nil}, {[]string{"d1", "d2", "d3", "d1"}, fmt.Errorf("duplicate endpoints found")}, {[]string{"d1", "d2", "d3", "./d1"}, fmt.Errorf("duplicate endpoints found")}, {[]string{"http://localhost/d1", "http://localhost/d2", "http://localhost/d1", "http://localhost/d4"}, fmt.Errorf("duplicate endpoints found")}, {[]string{"ftp://server/d1", "http://server/d2", "http://server/d3", "http://server/d4"}, fmt.Errorf("'ftp://server/d1': invalid URL endpoint format")}, {[]string{"d1", "http://localhost/d2", "d3", "d4"}, fmt.Errorf("mixed style endpoints are not supported")}, {[]string{"http://example.org/d1", "https://example.com/d1", "http://example.net/d1", "https://example.edut/d1"}, fmt.Errorf("mixed scheme is not supported")}, {[]string{"192.168.1.210:9000/tmp/dir0", "192.168.1.210:9000/tmp/dir1", "192.168.1.210:9000/tmp/dir2", "192.168.110:9000/tmp/dir3"}, fmt.Errorf("'192.168.1.210:9000/tmp/dir0': invalid URL endpoint format: missing scheme http or https")}, } for _, testCase := range testCases { _, err := NewEndpoints(testCase.args...) if testCase.expectedErr == nil { if err != nil { t.Fatalf("error: expected = , got = %v", err) } } else if err == nil { t.Fatalf("error: expected = %v, got = ", testCase.expectedErr) } else if testCase.expectedErr.Error() != err.Error() { t.Fatalf("error: expected = %v, got = %v", testCase.expectedErr, err) } } } func TestCreateEndpoints(t *testing.T) { // Filter ipList by IPs those do not start with '127.'. nonLoopBackIPs := localIP4.FuncMatch(func(ip string, matchString string) bool { return !net.ParseIP(ip).IsLoopback() }, "") if len(nonLoopBackIPs) == 0 { t.Fatalf("No non-loop back IP address found for this host") } nonLoopBackIP := nonLoopBackIPs.ToSlice()[0] getExpectedEndpoints := func(args []string, prefix string) ([]*url.URL, []bool) { var URLs []*url.URL var localFlags []bool for _, arg := range args { u, _ := url.Parse(arg) URLs = append(URLs, u) localFlags = append(localFlags, strings.HasPrefix(arg, prefix)) } return URLs, localFlags } case1Endpoint1 := "http://" + nonLoopBackIP + "/d1" case1Endpoint2 := "http://" + nonLoopBackIP + "/d2" args := []string{ "http://" + nonLoopBackIP + ":10000/d1", "http://" + nonLoopBackIP + ":10000/d2", "http://example.org:10000/d3", "http://example.com:10000/d4", } case1URLs, case1LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":10000/") case2Endpoint1 := "http://" + nonLoopBackIP + "/d1" case2Endpoint2 := "http://" + nonLoopBackIP + ":9000/d2" args = []string{ "http://" + nonLoopBackIP + ":10000/d1", "http://" + nonLoopBackIP + ":9000/d2", "http://example.org:10000/d3", "http://example.com:10000/d4", } case2URLs, case2LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":10000/") case3Endpoint1 := "http://" + nonLoopBackIP + "/d1" args = []string{ "http://" + nonLoopBackIP + ":80/d1", "http://example.org:9000/d2", "http://example.com:80/d3", "http://example.net:80/d4", } case3URLs, case3LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":80/") case4Endpoint1 := "http://" + nonLoopBackIP + "/d1" args = []string{ "http://" + nonLoopBackIP + ":9000/d1", "http://example.org:9000/d2", "http://example.com:9000/d3", "http://example.net:9000/d4", } case4URLs, case4LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":9000/") case5Endpoint1 := "http://" + nonLoopBackIP + ":9000/d1" case5Endpoint2 := "http://" + nonLoopBackIP + ":9001/d2" case5Endpoint3 := "http://" + nonLoopBackIP + ":9002/d3" case5Endpoint4 := "http://" + nonLoopBackIP + ":9003/d4" args = []string{ case5Endpoint1, case5Endpoint2, case5Endpoint3, case5Endpoint4, } case5URLs, case5LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":9000/") case6Endpoint := "http://" + nonLoopBackIP + ":9003/d4" args = []string{ "http://localhost:9000/d1", "http://localhost:9001/d2", "http://127.0.0.1:9002/d3", case6Endpoint, } case6URLs, case6LocalFlags := getExpectedEndpoints(args, "http://"+nonLoopBackIP+":9003/") testCases := []struct { serverAddr string args [][]string expectedServerAddr string expectedEndpoints Endpoints expectedSetupType SetupType expectedErr error }{ {"localhost", [][]string{}, "", Endpoints{}, -1, fmt.Errorf("address localhost: missing port in address")}, // FS Setup {"localhost:9000", [][]string{{"http://localhost/d1"}}, "", Endpoints{}, -1, fmt.Errorf("use path style endpoint for FS setup")}, {":443", [][]string{{"d1"}}, ":443", Endpoints{Endpoint{URL: &url.URL{Path: "d1"}, IsLocal: true}}, FSSetupType, nil}, {"localhost:10000", [][]string{{"/d1"}}, "localhost:10000", Endpoints{Endpoint{URL: &url.URL{Path: "/d1"}, IsLocal: true}}, FSSetupType, nil}, {"localhost:10000", [][]string{{"./d1"}}, "localhost:10000", Endpoints{Endpoint{URL: &url.URL{Path: "d1"}, IsLocal: true}}, FSSetupType, nil}, {"localhost:10000", [][]string{{`\d1`}}, "localhost:10000", Endpoints{Endpoint{URL: &url.URL{Path: `\d1`}, IsLocal: true}}, FSSetupType, nil}, {"localhost:10000", [][]string{{`.\d1`}}, "localhost:10000", Endpoints{Endpoint{URL: &url.URL{Path: `.\d1`}, IsLocal: true}}, FSSetupType, nil}, {"localhost:9000", [][]string{{"https://127.0.0.1:9000/d1", "https://localhost:9001/d1", "https://example.com/d1", "https://example.com/d2"}}, "", Endpoints{}, -1, fmt.Errorf("path '/d1' can not be served by different port on same address")}, // XL Setup with PathEndpointType {":1234", [][]string{{"/d1", "/d2", "d3", "d4"}}, ":1234", Endpoints{ Endpoint{URL: &url.URL{Path: "/d1"}, IsLocal: true}, Endpoint{URL: &url.URL{Path: "/d2"}, IsLocal: true}, Endpoint{URL: &url.URL{Path: "d3"}, IsLocal: true}, Endpoint{URL: &url.URL{Path: "d4"}, IsLocal: true}, }, XLSetupType, nil}, // DistXL Setup with URLEndpointType {":9000", [][]string{{"http://localhost/d1", "http://localhost/d2", "http://localhost/d3", "http://localhost/d4"}}, ":9000", Endpoints{ Endpoint{URL: &url.URL{Scheme: "http", Host: "localhost", Path: "/d1"}, IsLocal: true}, Endpoint{URL: &url.URL{Scheme: "http", Host: "localhost", Path: "/d2"}, IsLocal: true}, Endpoint{URL: &url.URL{Scheme: "http", Host: "localhost", Path: "/d3"}, IsLocal: true}, Endpoint{URL: &url.URL{Scheme: "http", Host: "localhost", Path: "/d4"}, IsLocal: true}, }, XLSetupType, nil}, // DistXL Setup with URLEndpointType having mixed naming to local host. {"127.0.0.1:10000", [][]string{{"http://localhost/d1", "http://localhost/d2", "http://127.0.0.1/d3", "http://127.0.0.1/d4"}}, "", Endpoints{}, -1, fmt.Errorf("all local endpoints should not have different hostnames/ips")}, {":9001", [][]string{{"http://10.0.0.1:9000/export", "http://10.0.0.2:9000/export", "http://" + nonLoopBackIP + ":9001/export", "http://10.0.0.2:9001/export"}}, "", Endpoints{}, -1, fmt.Errorf("path '/export' can not be served by different port on same address")}, {":9000", [][]string{{"http://127.0.0.1:9000/export", "http://" + nonLoopBackIP + ":9000/export", "http://10.0.0.1:9000/export", "http://10.0.0.2:9000/export"}}, "", Endpoints{}, -1, fmt.Errorf("path '/export' cannot be served by different address on same server")}, // DistXL type {"127.0.0.1:10000", [][]string{{case1Endpoint1, case1Endpoint2, "http://example.org/d3", "http://example.com/d4"}}, "127.0.0.1:10000", Endpoints{ Endpoint{URL: case1URLs[0], IsLocal: case1LocalFlags[0]}, Endpoint{URL: case1URLs[1], IsLocal: case1LocalFlags[1]}, Endpoint{URL: case1URLs[2], IsLocal: case1LocalFlags[2]}, Endpoint{URL: case1URLs[3], IsLocal: case1LocalFlags[3]}, }, DistXLSetupType, nil}, {"127.0.0.1:10000", [][]string{{case2Endpoint1, case2Endpoint2, "http://example.org/d3", "http://example.com/d4"}}, "127.0.0.1:10000", Endpoints{ Endpoint{URL: case2URLs[0], IsLocal: case2LocalFlags[0]}, Endpoint{URL: case2URLs[1], IsLocal: case2LocalFlags[1]}, Endpoint{URL: case2URLs[2], IsLocal: case2LocalFlags[2]}, Endpoint{URL: case2URLs[3], IsLocal: case2LocalFlags[3]}, }, DistXLSetupType, nil}, {":80", [][]string{{case3Endpoint1, "http://example.org:9000/d2", "http://example.com/d3", "http://example.net/d4"}}, ":80", Endpoints{ Endpoint{URL: case3URLs[0], IsLocal: case3LocalFlags[0]}, Endpoint{URL: case3URLs[1], IsLocal: case3LocalFlags[1]}, Endpoint{URL: case3URLs[2], IsLocal: case3LocalFlags[2]}, Endpoint{URL: case3URLs[3], IsLocal: case3LocalFlags[3]}, }, DistXLSetupType, nil}, {":9000", [][]string{{case4Endpoint1, "http://example.org/d2", "http://example.com/d3", "http://example.net/d4"}}, ":9000", Endpoints{ Endpoint{URL: case4URLs[0], IsLocal: case4LocalFlags[0]}, Endpoint{URL: case4URLs[1], IsLocal: case4LocalFlags[1]}, Endpoint{URL: case4URLs[2], IsLocal: case4LocalFlags[2]}, Endpoint{URL: case4URLs[3], IsLocal: case4LocalFlags[3]}, }, DistXLSetupType, nil}, {":9000", [][]string{{case5Endpoint1, case5Endpoint2, case5Endpoint3, case5Endpoint4}}, ":9000", Endpoints{ Endpoint{URL: case5URLs[0], IsLocal: case5LocalFlags[0]}, Endpoint{URL: case5URLs[1], IsLocal: case5LocalFlags[1]}, Endpoint{URL: case5URLs[2], IsLocal: case5LocalFlags[2]}, Endpoint{URL: case5URLs[3], IsLocal: case5LocalFlags[3]}, }, DistXLSetupType, nil}, // DistXL Setup using only local host. {":9003", [][]string{{"http://localhost:9000/d1", "http://localhost:9001/d2", "http://127.0.0.1:9002/d3", case6Endpoint}}, ":9003", Endpoints{ Endpoint{URL: case6URLs[0], IsLocal: case6LocalFlags[0]}, Endpoint{URL: case6URLs[1], IsLocal: case6LocalFlags[1]}, Endpoint{URL: case6URLs[2], IsLocal: case6LocalFlags[2]}, Endpoint{URL: case6URLs[3], IsLocal: case6LocalFlags[3]}, }, DistXLSetupType, nil}, } for _, testCase := range testCases { testCase := testCase t.Run("", func(t *testing.T) { endpoints, setupType, err := CreateEndpoints(testCase.serverAddr, false, testCase.args...) if err == nil && testCase.expectedErr != nil { t.Errorf("error: expected = %v, got = ", testCase.expectedErr) } if err == nil { if setupType != testCase.expectedSetupType { t.Errorf("setupType: expected = %v, got = %v", testCase.expectedSetupType, setupType) } if len(endpoints) != len(testCase.expectedEndpoints) { t.Errorf("endpoints: expected = %d, got = %d", len(testCase.expectedEndpoints), len(endpoints)) } else { for i, endpoint := range endpoints { if testCase.expectedEndpoints[i].String() != endpoint.String() { t.Errorf("endpoints: expected = %s, got = %s", testCase.expectedEndpoints[i], endpoint) } } } } if err != nil && testCase.expectedErr == nil { t.Errorf("error: expected = , got = %v, testCase: %v", err, testCase) } }) } } // Tests get local peer functionality, local peer is supposed to only return one entry per minio service. // So it means that if you have say localhost:9000 and localhost:9001 as endpointArgs then localhost:9001 // is considered a remote service from localhost:9000 perspective. func TestGetLocalPeer(t *testing.T) { tempGlobalMinioAddr := globalMinioAddr tempGlobalMinioPort := globalMinioPort defer func() { globalMinioAddr = tempGlobalMinioAddr globalMinioPort = tempGlobalMinioPort }() globalMinioAddr = ":9000" globalMinioPort = "9000" testCases := []struct { endpointArgs []string expectedResult string }{ {[]string{"/d1", "/d2", "d3", "d4"}, "127.0.0.1:9000"}, {[]string{"http://localhost:9000/d1", "http://localhost:9000/d2", "http://example.org:9000/d3", "http://example.com:9000/d4"}, "localhost:9000"}, {[]string{"http://localhost:9000/d1", "http://example.org:9000/d2", "http://example.com:9000/d3", "http://example.net:9000/d4"}, "localhost:9000"}, {[]string{"http://localhost:9000/d1", "http://localhost:9001/d2", "http://localhost:9002/d3", "http://localhost:9003/d4"}, "localhost:9000"}, } for i, testCase := range testCases { zendpoints := mustGetZoneEndpoints(testCase.endpointArgs...) if !zendpoints[0].Endpoints[0].IsLocal { if err := zendpoints[0].Endpoints.UpdateIsLocal(false); err != nil { t.Fatalf("error: expected = , got = %v", err) } } remotePeer := GetLocalPeer(zendpoints) if remotePeer != testCase.expectedResult { t.Fatalf("Test %d: expected: %v, got: %v", i+1, testCase.expectedResult, remotePeer) } } } func TestGetRemotePeers(t *testing.T) { tempGlobalMinioPort := globalMinioPort defer func() { globalMinioPort = tempGlobalMinioPort }() globalMinioPort = "9000" testCases := []struct { endpointArgs []string expectedResult []string }{ {[]string{"/d1", "/d2", "d3", "d4"}, []string{}}, {[]string{"http://localhost:9000/d1", "http://localhost:9000/d2", "http://example.org:9000/d3", "http://example.com:9000/d4"}, []string{"example.com:9000", "example.org:9000"}}, {[]string{"http://localhost:9000/d1", "http://localhost:10000/d2", "http://example.org:9000/d3", "http://example.com:9000/d4"}, []string{"example.com:9000", "example.org:9000", "localhost:10000"}}, {[]string{"http://localhost:9000/d1", "http://example.org:9000/d2", "http://example.com:9000/d3", "http://example.net:9000/d4"}, []string{"example.com:9000", "example.net:9000", "example.org:9000"}}, {[]string{"http://localhost:9000/d1", "http://localhost:9001/d2", "http://localhost:9002/d3", "http://localhost:9003/d4"}, []string{"localhost:9001", "localhost:9002", "localhost:9003"}}, } for _, testCase := range testCases { zendpoints := mustGetZoneEndpoints(testCase.endpointArgs...) if !zendpoints[0].Endpoints[0].IsLocal { if err := zendpoints[0].Endpoints.UpdateIsLocal(false); err != nil { t.Fatalf("error: expected = , got = %v", err) } } remotePeers := GetRemotePeers(zendpoints) if !reflect.DeepEqual(remotePeers, testCase.expectedResult) { t.Fatalf("expected: %v, got: %v", testCase.expectedResult, remotePeers) } } } func TestUpdateDomainIPs(t *testing.T) { tempGlobalMinioPort := globalMinioPort defer func() { globalMinioPort = tempGlobalMinioPort }() globalMinioPort = "9000" tempGlobalDomainIPs := globalDomainIPs defer func() { globalDomainIPs = tempGlobalDomainIPs }() ipv4TestCases := []struct { endPoints set.StringSet expectedResult set.StringSet }{ {set.NewStringSet(), set.NewStringSet()}, {set.CreateStringSet("localhost"), set.NewStringSet()}, {set.CreateStringSet("localhost", "10.0.0.1"), set.CreateStringSet("10.0.0.1:9000")}, {set.CreateStringSet("localhost:9001", "10.0.0.1"), set.CreateStringSet("10.0.0.1:9000")}, {set.CreateStringSet("localhost", "10.0.0.1:9001"), set.CreateStringSet("10.0.0.1:9001")}, {set.CreateStringSet("localhost:9000", "10.0.0.1:9001"), set.CreateStringSet("10.0.0.1:9001")}, {set.CreateStringSet("10.0.0.1", "10.0.0.2"), set.CreateStringSet("10.0.0.1:9000", "10.0.0.2:9000")}, {set.CreateStringSet("10.0.0.1:9001", "10.0.0.2"), set.CreateStringSet("10.0.0.1:9001", "10.0.0.2:9000")}, {set.CreateStringSet("10.0.0.1", "10.0.0.2:9002"), set.CreateStringSet("10.0.0.1:9000", "10.0.0.2:9002")}, {set.CreateStringSet("10.0.0.1:9001", "10.0.0.2:9002"), set.CreateStringSet("10.0.0.1:9001", "10.0.0.2:9002")}, } for _, testCase := range ipv4TestCases { globalDomainIPs = nil updateDomainIPs(testCase.endPoints) if !testCase.expectedResult.Equals(globalDomainIPs) { t.Fatalf("error: expected = %s, got = %s", testCase.expectedResult, globalDomainIPs) } } }