Do not run integration tests by default.

CONTRIBUTING.md

@@ -138,11 +138,13 @@ More: https://labix.org/gocheck
 
 #### Method 2: `go`
 
-- Tests can be run from the cloned directory, by `$ go test ./...` which should return `ok` similar to:
+Unit tests can be run from the cloned directory by `$ go test ./...` which should return `ok` similar to:
 ```
 ok      _/home/user/go/src/github/containous/traefik    0.004s
 ```
 
+Integration tests must be run from the `integration/` directory and require the `-integration` switch to be passed like this: `$ cd integration && go test -integration ./...`.
+
 ## Documentation
 
 The [documentation site](http://docs.traefik.io/) is built with [mkdocs](http://mkdocs.org/)

integration/integration_test.go

@@ -3,6 +3,7 @@ package integration
 
 import (
 	"bytes"
+	"flag"
 	"fmt"
 	"io/ioutil"
 	"net"
@@ -18,11 +19,19 @@ import (
 	checker "github.com/vdemeester/shakers"
 )
 
+var integration = flag.Bool("integration", false, "run integration tests")
+
 func Test(t *testing.T) {
 	check.TestingT(t)
 }
 
 func init() {
+	flag.Parse()
+	if !*integration {
+		log.Info("Integration tests disabled.")
+		return
+	}
+
 	check.Suite(&AccessLogSuite{})
 	check.Suite(&AcmeSuite{})
 	check.Suite(&ConstraintSuite{})

script/test-integration

@@ -13,4 +13,4 @@ fi
 cd integration
 echo "Testing against…"
 docker version
-CGO_ENABLED=0 go test $TESTFLAGS
+CGO_ENABLED=0 go test -integration $TESTFLAGS