traefik/integration/docker_compose_test.go
2018-11-14 10:18:03 +01:00

78 lines
2 KiB
Go

package integration
import (
"encoding/json"
"io/ioutil"
"net/http"
"os"
"time"
"github.com/containous/traefik/integration/try"
"github.com/containous/traefik/old/types"
"github.com/containous/traefik/testhelpers"
"github.com/go-check/check"
checker "github.com/vdemeester/shakers"
)
const (
composeProject = "minimal"
)
// Docker test suites
type DockerComposeSuite struct {
BaseSuite
}
func (s *DockerComposeSuite) SetUpSuite(c *check.C) {
s.createComposeProject(c, composeProject)
s.composeProject.Start(c)
}
func (s *DockerComposeSuite) TearDownSuite(c *check.C) {
// shutdown and delete compose project
if s.composeProject != nil {
s.composeProject.Stop(c)
}
}
func (s *DockerComposeSuite) TestComposeScale(c *check.C) {
var serviceCount = 2
var composeService = "whoami1"
s.composeProject.Scale(c, composeService, serviceCount)
file := s.adaptFileForHost(c, "fixtures/docker/minimal.toml")
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
req := testhelpers.MustNewRequest(http.MethodGet, "http://127.0.0.1:8000/whoami", nil)
req.Host = "my.super.host"
_, err = try.ResponseUntilStatusCode(req, 1500*time.Millisecond, http.StatusOK)
c.Assert(err, checker.IsNil)
resp, err := http.Get("http://127.0.0.1:8080/api/providers/docker")
c.Assert(err, checker.IsNil)
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
var provider types.Configuration
c.Assert(json.Unmarshal(body, &provider), checker.IsNil)
// check that we have only one backend with n servers
c.Assert(provider.Backends, checker.HasLen, 1)
myBackend := provider.Backends["backend-"+composeService+"-integrationtest"+composeProject]
c.Assert(myBackend, checker.NotNil)
c.Assert(myBackend.Servers, checker.HasLen, serviceCount)
// check that we have only one frontend
c.Assert(provider.Frontends, checker.HasLen, 1)
}