traefik/integration/docker_compose_test.go

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package integration
import (
"encoding/json"
"net/http"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"github.com/traefik/traefik/v2/integration/try"
"github.com/traefik/traefik/v2/pkg/api"
"github.com/traefik/traefik/v2/pkg/testhelpers"
)
2020-05-11 10:06:07 +00:00
// Docker tests suite.
type DockerComposeSuite struct {
BaseSuite
}
func TestDockerComposeSuite(t *testing.T) {
suite.Run(t, new(DockerComposeSuite))
}
func (s *DockerComposeSuite) SetupSuite() {
s.BaseSuite.SetupSuite()
s.createComposeProject("minimal")
s.composeUp()
}
func (s *DockerComposeSuite) TearDownSuite() {
s.BaseSuite.TearDownSuite()
}
func (s *DockerComposeSuite) TestComposeScale() {
tempObjects := struct {
DockerHost string
DefaultRule string
}{
DockerHost: s.getDockerHost(),
DefaultRule: "Host(`{{ normalize .Name }}.docker.localhost`)",
}
file := s.adaptFile("fixtures/docker/minimal.toml", tempObjects)
s.traefikCmd(withConfigFile(file))
req := testhelpers.MustNewRequest(http.MethodGet, "http://127.0.0.1:8000/whoami", nil)
req.Host = "my.super.host"
_, err := try.ResponseUntilStatusCode(req, 5*time.Second, http.StatusOK)
require.NoError(s.T(), err)
resp, err := http.Get("http://127.0.0.1:8080/api/rawdata")
require.NoError(s.T(), err)
defer resp.Body.Close()
var rtconf api.RunTimeRepresentation
err = json.NewDecoder(resp.Body).Decode(&rtconf)
require.NoError(s.T(), err)
// check that we have only three routers (the one from this test + 2 unrelated internal ones)
assert.Len(s.T(), rtconf.Routers, 3)
// check that we have only one service (not counting the internal ones) with n servers
services := rtconf.Services
assert.Len(s.T(), services, 4)
for name, service := range services {
if strings.HasSuffix(name, "@internal") {
continue
}
assert.Equal(s.T(), "service-mini@docker", name)
assert.Len(s.T(), service.LoadBalancer.Servers, 2)
// We could break here, but we don't just to keep us honest.
}
}