gatus/client/client_test.go

249 lines
7.4 KiB
Go

package client
import (
"bytes"
"io"
"net/http"
"testing"
"time"
"github.com/TwiN/gatus/v4/test"
)
func TestGetHTTPClient(t *testing.T) {
cfg := &Config{
Insecure: false,
IgnoreRedirect: false,
Timeout: 0,
DNSResolver: "tcp://1.1.1.1:53",
OAuth2Config: &OAuth2Config{
ClientID: "00000000-0000-0000-0000-000000000000",
ClientSecret: "secretsauce",
TokenURL: "https://token-server.local/token",
Scopes: []string{"https://application.local/.default"},
},
}
err := cfg.ValidateAndSetDefaults()
if err != nil {
t.Errorf("expected error to be nil, but got: `%s`", err)
}
if GetHTTPClient(cfg) == nil {
t.Error("expected client to not be nil")
}
if GetHTTPClient(nil) == nil {
t.Error("expected client to not be nil")
}
}
func TestGetDomainExpiration(t *testing.T) {
if domainExpiration, err := GetDomainExpiration("example.com"); err != nil {
t.Fatalf("expected error to be nil, but got: `%s`", err)
} else if domainExpiration <= 0 {
t.Error("expected domain expiration to be higher than 0")
}
if domainExpiration, err := GetDomainExpiration("example.com"); err != nil {
t.Errorf("expected error to be nil, but got: `%s`", err)
} else if domainExpiration <= 0 {
t.Error("expected domain expiration to be higher than 0")
}
// Hack to pretend like the domain is expiring in 1 hour, which should trigger a refresh
whoisExpirationDateCache.SetWithTTL("example.com", time.Now().Add(time.Hour), 25*time.Hour)
if domainExpiration, err := GetDomainExpiration("example.com"); err != nil {
t.Errorf("expected error to be nil, but got: `%s`", err)
} else if domainExpiration <= 0 {
t.Error("expected domain expiration to be higher than 0")
}
// Make sure the refresh works when the ttl is <24 hours
whoisExpirationDateCache.SetWithTTL("example.com", time.Now().Add(35*time.Hour), 23*time.Hour)
if domainExpiration, err := GetDomainExpiration("example.com"); err != nil {
t.Errorf("expected error to be nil, but got: `%s`", err)
} else if domainExpiration <= 0 {
t.Error("expected domain expiration to be higher than 0")
}
}
func TestPing(t *testing.T) {
if success, rtt := Ping("127.0.0.1", &Config{Timeout: 500 * time.Millisecond}); !success {
t.Error("expected true")
if rtt == 0 {
t.Error("Round-trip time returned on success should've higher than 0")
}
}
if success, rtt := Ping("256.256.256.256", &Config{Timeout: 500 * time.Millisecond}); success {
t.Error("expected false, because the IP is invalid")
if rtt != 0 {
t.Error("Round-trip time returned on failure should've been 0")
}
}
if success, rtt := Ping("192.168.152.153", &Config{Timeout: 500 * time.Millisecond}); success {
t.Error("expected false, because the IP is valid but the host should be unreachable")
if rtt != 0 {
t.Error("Round-trip time returned on failure should've been 0")
}
}
}
func TestCanPerformStartTLS(t *testing.T) {
type args struct {
address string
insecure bool
}
tests := []struct {
name string
args args
wantConnected bool
wantErr bool
}{
{
name: "invalid address",
args: args{
address: "test",
},
wantConnected: false,
wantErr: true,
},
{
name: "error dial",
args: args{
address: "test:1234",
},
wantConnected: false,
wantErr: true,
},
{
name: "valid starttls",
args: args{
address: "smtp.gmail.com:587",
},
wantConnected: true,
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
connected, _, err := CanPerformStartTLS(tt.args.address, &Config{Insecure: tt.args.insecure, Timeout: 5 * time.Second})
if (err != nil) != tt.wantErr {
t.Errorf("CanPerformStartTLS() err=%v, wantErr=%v", err, tt.wantErr)
return
}
if connected != tt.wantConnected {
t.Errorf("CanPerformStartTLS() connected=%v, wantConnected=%v", connected, tt.wantConnected)
}
})
}
}
func TestCanPerformTLS(t *testing.T) {
type args struct {
address string
insecure bool
}
tests := []struct {
name string
args args
wantConnected bool
wantErr bool
}{
{
name: "invalid address",
args: args{
address: "test",
},
wantConnected: false,
wantErr: true,
},
{
name: "error dial",
args: args{
address: "test:1234",
},
wantConnected: false,
wantErr: true,
},
{
name: "valid tls",
args: args{
address: "smtp.gmail.com:465",
},
wantConnected: true,
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
connected, _, err := CanPerformTLS(tt.args.address, &Config{Insecure: tt.args.insecure, Timeout: 5 * time.Second})
if (err != nil) != tt.wantErr {
t.Errorf("CanPerformTLS() err=%v, wantErr=%v", err, tt.wantErr)
return
}
if connected != tt.wantConnected {
t.Errorf("CanPerformTLS() connected=%v, wantConnected=%v", connected, tt.wantConnected)
}
})
}
}
func TestCanCreateTCPConnection(t *testing.T) {
if CanCreateTCPConnection("127.0.0.1", &Config{Timeout: 5 * time.Second}) {
t.Error("should've failed, because there's no port in the address")
}
}
// This test checks if a HTTP client configured with `configureOAuth2()` automatically
// performs a Client Credentials OAuth2 flow and adds the obtained token as a `Authorization`
// header to all outgoing HTTP calls.
func TestHttpClientProvidesOAuth2BearerToken(t *testing.T) {
defer InjectHTTPClient(nil)
oAuth2Config := &OAuth2Config{
ClientID: "00000000-0000-0000-0000-000000000000",
ClientSecret: "secretsauce",
TokenURL: "https://token-server.local/token",
Scopes: []string{"https://application.local/.default"},
}
mockHttpClient := &http.Client{
Transport: test.MockRoundTripper(func(r *http.Request) *http.Response {
// if the mock HTTP client tries to get a token from the `token-server`
// we provide the expected token response
if r.Host == "token-server.local" {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewReader(
[]byte(
`{"token_type":"Bearer","expires_in":3599,"ext_expires_in":3599,"access_token":"secret-token"}`,
),
)),
}
}
// to verify the headers were sent as expected, we echo them back in the
// `X-Org-Authorization` header and check if the token value matches our
// mocked `token-server` response
return &http.Response{
StatusCode: http.StatusOK,
Header: map[string][]string{
"X-Org-Authorization": {r.Header.Get("Authorization")},
},
Body: http.NoBody,
}
}),
}
mockHttpClientWithOAuth := configureOAuth2(mockHttpClient, *oAuth2Config)
InjectHTTPClient(mockHttpClientWithOAuth)
request, err := http.NewRequest(http.MethodPost, "http://127.0.0.1:8282", http.NoBody)
if err != nil {
t.Error("expected no error, got", err.Error())
}
response, err := mockHttpClientWithOAuth.Do(request)
if err != nil {
t.Error("expected no error, got", err.Error())
}
if response.Header == nil {
t.Error("expected response headers, but got nil")
}
// the mock response echos the Authorization header used in the request back
// to us as `X-Org-Authorization` header, we check here if the value matches
// our expected token `secret-token`
if response.Header.Get("X-Org-Authorization") != "Bearer secret-token" {
t.Error("exptected `secret-token` as Bearer token in the mocked response header `X-Org-Authorization`, but got", response.Header.Get("X-Org-Authorization"))
}
}