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traefik/integration/error_pages_test.go
Tom Moulard e1e86763e3
Prevents superfluous WriteHeader call in the error middleware
Co-authored-by: LandryBe <lbenguigui@gmail.com>
2023-01-02 17:00:05 +01:00

101 lines
2.7 KiB
Go

package integration
import (
"net/http"
"net/http/httptest"
"os"
"time"
"github.com/go-check/check"
"github.com/traefik/traefik/v2/integration/try"
checker "github.com/vdemeester/shakers"
)
// ErrorPagesSuite test suites.
type ErrorPagesSuite struct {
BaseSuite
ErrorPageIP string
BackendIP string
}
func (s *ErrorPagesSuite) SetUpSuite(c *check.C) {
s.createComposeProject(c, "error_pages")
s.composeUp(c)
s.ErrorPageIP = s.getComposeServiceIP(c, "nginx2")
s.BackendIP = s.getComposeServiceIP(c, "nginx1")
}
func (s *ErrorPagesSuite) TestSimpleConfiguration(c *check.C) {
file := s.adaptFile(c, "fixtures/error_pages/simple.toml", struct {
Server1 string
Server2 string
}{"http://" + s.BackendIP + ":80", s.ErrorPageIP})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
frontendReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8080", nil)
c.Assert(err, checker.IsNil)
frontendReq.Host = "test.local"
err = try.Request(frontendReq, 2*time.Second, try.BodyContains("nginx"))
c.Assert(err, checker.IsNil)
}
func (s *ErrorPagesSuite) TestErrorPage(c *check.C) {
// error.toml contains a mis-configuration of the backend host
file := s.adaptFile(c, "fixtures/error_pages/error.toml", struct {
Server1 string
Server2 string
}{s.BackendIP, s.ErrorPageIP})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
frontendReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8080", nil)
c.Assert(err, checker.IsNil)
frontendReq.Host = "test.local"
err = try.Request(frontendReq, 2*time.Second, try.BodyContains("An error occurred."))
c.Assert(err, checker.IsNil)
}
func (s *ErrorPagesSuite) TestErrorPageFlush(c *check.C) {
srv := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
rw.Header().Add("Transfer-Encoding", "chunked")
rw.WriteHeader(http.StatusInternalServerError)
_, _ = rw.Write([]byte("KO"))
}))
file := s.adaptFile(c, "fixtures/error_pages/simple.toml", struct {
Server1 string
Server2 string
}{srv.URL, s.ErrorPageIP})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer s.killCmd(cmd)
frontendReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8080", nil)
c.Assert(err, checker.IsNil)
frontendReq.Host = "test.local"
err = try.Request(frontendReq, 2*time.Second,
try.BodyContains("An error occurred."),
try.HasHeaderValue("Content-Type", "text/html", true),
)
c.Assert(err, checker.IsNil)
}