add simple tests for _examples/mvc/hello-world and session-controller

Former-commit-id: d88a792ba57cd869d2888f41bca6eb3e5b4f7d49

_examples/mvc/hello-world/main.go

@@ -28,7 +28,9 @@ import (
 // what suits you best with Iris, low-level handlers: performance
 // or high-level controllers: easier to maintain and smaller codebase on large applications.
 
-func main() {
+// Of course you can put all these to main func, it's just a separate function
+// for the main_test.go.
+func newApp() *iris.Application {
 	app := iris.New()
 	// Optionally, add two built'n handlers
 	// that can recover from any http-relative panics
@@ -38,6 +40,11 @@ func main() {
 
 	// Register a controller based on the root Router, "/".
 	mvc.New(app).Register(new(ExampleController))
+	return app
+}
+
+func main() {
+	app := newApp()
 
 	// http://localhost:8080
 	// http://localhost:8080/ping

_examples/mvc/hello-world/main_test.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/kataras/iris/httptest"
+)
+
+func TestMVCHelloWorld(t *testing.T) {
+	e := httptest.New(t, newApp())
+
+	e.GET("/").Expect().Status(httptest.StatusOK).
+		ContentType("text/html", "utf-8").Body().Equal("<h1>Welcome</h1>")
+
+	e.GET("/ping").Expect().Status(httptest.StatusOK).
+		Body().Equal("pong")
+
+	e.GET("/hello").Expect().Status(httptest.StatusOK).
+		JSON().Object().Value("message").Equal("Hello Iris!")
+
+	e.GET("/custom_path").Expect().Status(httptest.StatusOK).
+		Body().Equal("hello from the custom handler without following the naming guide")
+}

_examples/mvc/session-controller/main.go

@@ -7,18 +7,14 @@ import (
 	"time"
 
 	"github.com/kataras/iris"
+	"github.com/kataras/iris/mvc"
 	"github.com/kataras/iris/sessions"
 )
 
 // VisitController handles the root route.
 type VisitController struct {
-	iris.C
-
-	// the sessions manager, we need that to set `Session`.
-	// It's binded from `app.Controller`.
-	Manager *sessions.Sessions
 	// the current request session,
-	// its initialization happens at the `BeginRequest`.
+	// its initialization happens by the dependency function that we've added to the `visitApp`.
 	Session *sessions.Session
 
 	// A time.time which is binded from the `app.Controller`,
@@ -26,53 +22,49 @@ type VisitController struct {
 	StartTime time.Time
 }
 
-// BeginRequest is executed for each Get, Post, Put requests,
-// can be used to share context, common data
-// or to cancel the request via `ctx.StopExecution()`.
-func (c *VisitController) BeginRequest(ctx iris.Context) {
-	// always call the embedded `BeginRequest` before everything else.
-	c.C.BeginRequest(ctx)
-
-	if c.Manager == nil {
-		ctx.Application().Logger().Errorf(`VisitController: sessions manager is nil, you should bind it`)
-		// dont run the main method handler and any "done" handlers.
-		ctx.StopExecution()
-		return
-	}
-
-	// set the `c.Session` we will use that in our Get method.
-	c.Session = c.Manager.Start(ctx)
-}
-
 // Get handles
 // Method: GET
 // Path: http://localhost:8080
 func (c *VisitController) Get() string {
-	// get the visits, before calcuate this new one.
-	visits, _ := c.Session.GetIntDefault("visits", 0)
-
-	// increment the visits and store to the session.
-	visits++
-	c.Session.Set("visits", visits)
-
+	// it increments a "visits" value of integer by one,
+	// if the entry with key 'visits' doesn't exist it will create it for you.
+	visits := c.Session.Increment("visits", 1)
 	// write the current, updated visits.
 	since := time.Now().Sub(c.StartTime).Seconds()
 	return fmt.Sprintf("%d visit from my current session in %0.1f seconds of server's up-time",
 		visits, since)
 }
 
-var (
-	manager = sessions.New(sessions.Config{Cookie: "mysession_cookie_name"})
+func newApp() *iris.Application {
+	app := iris.New()
+	sess := sessions.New(sessions.Config{Cookie: "mysession_cookie_name"})
+
+	visitApp := mvc.New(app.Party("/"))
+	// bind the current *session.Session, which is required, to the `VisitController.Session`
+	// and the time.Now() to the `VisitController.StartTime`.
+	visitApp.AddDependencies(
+		// if dependency is a function which accepts
+		// a Context and returns a single value
+		// then the result type of this function is resolved by the controller
+		// and on each request it will call the function with its Context
+		// and set the result(the *sessions.Session here) to the controller's field.
+		//
+		// If dependencies are registered without field or function's input arguments as
+		// consumers then those dependencies are being ignored before the server ran,
+		// so you can bind many dependecies and use them in different controllers.
+		// func(ctx iris.Context) *sessions.Session {
+		// 	return sess.Start(ctx)
+		// }, -> same as mvc.Session(sess):
+		mvc.Session(sess),
+		time.Now(),
 	)
+	visitApp.Register(new(VisitController))
+
+	return app
+}
 
 func main() {
-	app := iris.New()
-
-	// bind our session manager, which is required, to the `VisitController.Manager`
-	// and the time.Now() to the `VisitController.StartTime`.
-	app.Controller("/", new(VisitController),
-		manager,
-		time.Now())
+	app := newApp()
 
 	// 1. open the browser (no in private mode)
 	// 2. navigate to http://localhost:8080

_examples/mvc/session-controller/main_test.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/kataras/iris/httptest"
+)
+
+func TestMVCSession(t *testing.T) {
+	e := httptest.New(t, newApp(), httptest.URL("http://example.com"))
+
+	e1 := e.GET("/").Expect().Status(httptest.StatusOK)
+	e1.Cookies().NotEmpty()
+	e1.Body().Contains("1 visit")
+
+	e.GET("/").Expect().Status(httptest.StatusOK).
+		Body().Contains("2 visit")
+
+	e.GET("/").Expect().Status(httptest.StatusOK).
+		Body().Contains("3 visit")
+}

core/router/handler.go

@@ -1,14 +1,14 @@
 package router
 
 import (
-	"github.com/kataras/golog"
 	"html"
 	"net/http"
 	"sort"
 	"strings"
 
-	"github.com/kataras/iris/context"
+	"github.com/kataras/golog"
 
+	"github.com/kataras/iris/context"
 	"github.com/kataras/iris/core/errors"
 	"github.com/kataras/iris/core/netutil"
 	"github.com/kataras/iris/core/router/node"

mvc/controller.go

@@ -58,8 +58,6 @@ func getNameOf(typ reflect.Type) string {
 	return fullname
 }
 
-/// TODO: activate controllers with go routines so the startup time of iris
-// can be improved on huge applications.
 func newControllerActivator(router router.Party, controller interface{}, d *di.D) *ControllerActivator {
 	var (
 		val = reflect.ValueOf(controller)
@@ -121,12 +119,7 @@ func (c *ControllerActivator) isReservedMethod(name string) bool {
 	return false
 }
 
-// register all available, exported methods to handlers if possible.
-func (c *ControllerActivator) parseMethods() {
-	n := c.Type.NumMethod()
-	for i := 0; i < n; i++ {
-		m := c.Type.Method(i)
-
+func (c *ControllerActivator) parseMethod(m reflect.Method) {
 	httpMethod, httpPath, err := parseMethod(m, c.isReservedMethod)
 	if err != nil {
 		if err != errSkip {
@@ -134,11 +127,22 @@ func (c *ControllerActivator) parseMethods() {
 			c.Router.GetReporter().AddErr(err)
 
 		}
-			continue
+		return
 	}
 
 	c.Handle(httpMethod, httpPath, m.Name)
 }
+
+// register all available, exported methods to handlers if possible.
+func (c *ControllerActivator) parseMethods() {
+	n := c.Type.NumMethod()
+	//	wg := &sync.WaitGroup{}
+	// wg.Add(n)
+	for i := 0; i < n; i++ {
+		m := c.Type.Method(i)
+		c.parseMethod(m)
+	}
+	// wg.Wait()
 }
 
 func (c *ControllerActivator) activate() {
@@ -248,7 +252,7 @@ func buildHandler(m reflect.Method, typ reflect.Type, initRef reflect.Value, str
 		elemTyp = di.IndirectType(typ)
 	)
 
-	// if it doesn't implements the base controller,
+	// if it doesn't implement the base controller,
 	// it may have struct injector and/or func injector.
 	if !implementsBase {
 

mvc/ideas/1/main.go

@@ -9,6 +9,10 @@ import (
 	"github.com/kataras/iris/mvc"
 )
 
+// TODO: It's not here but this file is what I'll see before the commit in order to delete it:
+// Think a way to simplify the router cycle, I did create it to support any type of router
+// but as I see nobody wants to override the iris router's behavior(I'm not speaking about wrapper, this will stay of course because it's useful on security-critical middlewares) because it's the best by far.
+// Therefore I should reduce some "freedom of change" for the shake of code maintanability in the core/router files: handler.go | router.go and single change on APIBuilder's field.
 func main() {
 	app := iris.New()
 	mvc.New(app.Party("/todo")).Configure(TodoApp)