Add a Test framework to make it easier to test Iris app

I will commit the tests , mostly to see how this is working,  when I
finish with the front-end tests

LICENSE

@@ -23,7 +23,7 @@ SOFTWARE.
 
 Third-party packages licenses,
 
-fasthttp - 
+fasthttp -
 The MIT License (MIT)
 
 Copyright (c) 2015-2016 Aliaksandr Valialkin, VertaMedia
@@ -47,7 +47,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 
 
-django - 
+django -
 The MIT License (MIT)
 
 Copyright (c) 2013-2014 Florian Schlachter
@@ -69,7 +69,7 @@ COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-handlebars - 
+handlebars -
 The MIT License (MIT)
 
 Copyright (c) 2015 Aymerick JEHANNE
@@ -205,7 +205,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 The MIT License (MIT)
 
-color -
+color
 Copyright (c) 2016 Gerasimos Maropoulos
 Copyright (c) 2013 Fatih Arslan
 
@@ -674,8 +674,31 @@ i18n -    Apache License
       See the License for the specific language governing permissions and
       limitations under the License.
 
-	  
-	  
+
+httpexpect - test framework,
+The MIT License (MIT)
+
+Copyright (c) 2016 Victor Gaydov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+
 Go packages license,
 Copyright (c) 2012 The Go Authors. All rights reserved.
 

config/iris.go

@@ -109,6 +109,9 @@ type (
 		// this field is useful only when you need to READ which is the server's address, certfile & keyfile or unix's mode.
 		//
 		Server Server
+
+		// Tester contains the configs for the test framework, so far we have only one because all test framework's configs are setted by the iris itself
+		Tester Tester
 	}
 
 	// Render struct keeps organise all configuration about rendering, templates and rest currently.
@@ -146,6 +149,7 @@ func Default() Iris {
 		Render:                DefaultRender(),
 		Websocket:             DefaultWebsocket(),
 		Server:                DefaultServer(),
+		Tester:                Tester{Debug: false},
 	}
 }
 

config/tester.go

@@ -0,0 +1,6 @@
+package config
+
+// Tester configuration
+type Tester struct {
+	Debug bool
+}

iris.go

@@ -52,13 +52,16 @@ package iris // import "github.com/kataras/iris"
 
 import (
 	"fmt"
+	"net/http"
 	"os"
 	"path"
 	"reflect"
 	"strconv"
 	"strings"
+	"testing"
 	"time"
 
+	"github.com/gavv/httpexpect"
 	"github.com/iris-contrib/errors"
 	"github.com/kataras/iris/config"
 	"github.com/kataras/iris/context"
@@ -102,6 +105,7 @@ type (
 		Path(string, ...interface{}) string
 		URL(string, ...interface{}) string
 		TemplateString(string, interface{}, ...string) string
+		Tester(t *testing.T) *httpexpect.Expect
 	}
 
 	// RouteNameFunc the func returns from the MuxAPi's methods, optionally sets the name of the Route (*route)
@@ -601,6 +605,48 @@ func (s *Framework) TemplateString(templateFile string, pageContext interface{},
 	return res
 }
 
+// NewTester Prepares and returns a new test framework based on the api
+// is useful when you need to have more than one test framework for the same iris insttance, otherwise you can use the iris.Tester(t *testing.T)/variable.Tester(t *testing.T)
+func NewTester(api *Framework, t *testing.T) *httpexpect.Expect {
+	api.Config.DisableBanner = true
+	if !api.HTTPServer.IsListening() { // maybe the user called this after .Listen/ListenTLS/ListenUNIX, the tester can be used as standalone (with no running iris instance) or inside a running instance/app
+		api.NoListen()
+		if ok := <-api.Available; !ok {
+			t.Fatal("Unexpected error: server cannot start, please report this as bug!!")
+		}
+		close(api.Available)
+	}
+
+	handler := api.HTTPServer.Handler
+
+	testConfiguration := httpexpect.Config{
+		BaseURL: api.HTTPServer.FullHost(),
+		Client: &http.Client{
+			Transport: httpexpect.NewFastBinder(handler),
+			Jar:       httpexpect.NewJar(),
+		},
+		Reporter: httpexpect.NewAssertReporter(t),
+	}
+
+	if api.Config.Tester.Debug {
+		testConfiguration.Printers = []httpexpect.Printer{
+			httpexpect.NewDebugPrinter(t, true),
+		}
+	}
+
+	return httpexpect.WithConfig(testConfiguration)
+}
+
+// Tester returns the test framework for this default insance
+func Tester(t *testing.T) *httpexpect.Expect {
+	return Default.Tester(t)
+}
+
+// Tester returns the test framework for this iris insance
+func (s *Framework) Tester(t *testing.T) *httpexpect.Expect {
+	return s.tester(t)
+}
+
 // -------------------------------------------------------------------------------------
 // -------------------------------------------------------------------------------------
 // ----------------------------------MuxAPI implementation------------------------------