integration: add forward auth test

integration/forward_auth_test.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"context"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/pomerium/pomerium/integration/internal/flows"
+)
+
+func TestForwardAuth(t *testing.T) {
+	ctx := mainCtx
+	ctx, clearTimeout := context.WithTimeout(ctx, time.Second*30)
+	defer clearTimeout()
+
+	client := testcluster.NewHTTPClient()
+	res, err := flows.Authenticate(ctx, client, mustParseURL("https://fa-httpdetails.localhost.pomerium.io/by-user"),
+		flows.WithForwardAuth(true), flows.WithEmail("bob@dogs.test"), flows.WithGroups("user"))
+	if !assert.NoError(t, err, "unexpected http error") {
+		return
+	}
+	defer res.Body.Close()
+	assert.Equal(t, http.StatusOK, res.StatusCode)
+}