reproxy/app/mgmt/server_test.go

112 lines
3.3 KiB
Go

package mgmt
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"math/rand"
"net/http"
"regexp"
"strconv"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/umputun/reproxy/app/discovery"
)
func TestServer_controllers(t *testing.T) {
inf := &InformerMock{
MappersFunc: func() []discovery.URLMapper {
return []discovery.URLMapper{
{
Server: "srv1", MatchType: discovery.MTProxy,
SrcMatch: *regexp.MustCompile("/api/(.*)"), Dst: "/blah/$1", ProviderID: discovery.PIFile,
PingURL: "http://example.com/ping",
},
{
Server: "srv2", MatchType: discovery.MTStatic,
SrcMatch: *regexp.MustCompile("/api2/(.*)"), Dst: "/blah2/$1", ProviderID: discovery.PIDocker,
PingURL: "http://example.com/ping2",
},
{
Server: "srv2", MatchType: discovery.MTProxy,
SrcMatch: *regexp.MustCompile("/api3/(.*)"), Dst: "/blah3/$1", ProviderID: discovery.PIDocker,
PingURL: "http://example.com/ping3",
},
}
},
}
port := rand.Intn(10000) + 40000
srv := Server{Listen: fmt.Sprintf("127.0.0.1:%d", port), Informer: inf,
AssetsWebRoot: "/static", AssetsLocation: "/www", Metrics: NewMetrics()}
ctx, cancel := context.WithTimeout(context.Background(), 500*time.Millisecond)
defer cancel()
time.AfterFunc(time.Second, func() {
cancel()
})
done := make(chan struct{})
go func() {
srv.Run(ctx)
t.Logf("server terminated")
done <- struct{}{}
}()
time.Sleep(10 * time.Millisecond)
client := http.Client{}
{
req, err := http.NewRequest("GET", "http://127.0.0.1:"+strconv.Itoa(port)+"/ping", nil)
require.NoError(t, err)
resp, err := client.Do(req)
require.NoError(t, err)
defer resp.Body.Close()
assert.Equal(t, http.StatusOK, resp.StatusCode)
t.Logf("%+v", resp.Header)
assert.Equal(t, "reproxy-mgmt", resp.Header.Get("App-Name"))
}
{
req, err := http.NewRequest("GET", "http://127.0.0.1:"+strconv.Itoa(port)+"/routes", nil)
require.NoError(t, err)
resp, err := client.Do(req)
require.NoError(t, err)
defer resp.Body.Close()
assert.Equal(t, http.StatusOK, resp.StatusCode)
data := map[string][]interface{}{}
err = json.NewDecoder(resp.Body).Decode(&data)
require.NoError(t, err)
assert.Equal(t, 1, len(data["srv1"]))
assert.Equal(t, 2, len(data["srv2"]))
assert.Contains(t, fmt.Sprintf("%v", data["srv1"][0]), `destination:/blah/$1`, data["srv1"][0])
assert.Contains(t, fmt.Sprintf("%v", data["srv1"][0]), `route:/api/(.*)`, data["srv1"][0])
assert.Contains(t, fmt.Sprintf("%v", data["srv1"][0]), `match:proxy`, data["srv1"][0])
assert.Contains(t, fmt.Sprintf("%v", data["srv1"][0]), `provider:file`, data["srv1"][0])
assert.Contains(t, fmt.Sprintf("%v", data["srv1"][0]), `ping:http://example.com/ping`, data["srv1"][0])
}
{
req, err := http.NewRequest("GET", "http://127.0.0.1:"+strconv.Itoa(port)+"/prometheus", nil)
require.NoError(t, err)
resp, err := client.Do(req)
require.NoError(t, err)
defer resp.Body.Close()
assert.Equal(t, http.StatusOK, resp.StatusCode)
body, err := ioutil.ReadAll(resp.Body)
require.NoError(t, err)
t.Logf("%s", string(body))
assert.Contains(t, string(body), "promhttp_metric_handler_requests_total{code=\"200\"")
assert.Contains(t, string(body), "promhttp_metric_handler_requests_total counter")
}
<-done
}