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package mango

import (
"bytes"
"net/http"
"io/ioutil"
"testing"
)

func staticTestServer(env Env) (Status, Headers, Body) {
return 200, Headers{"Content-Type": []string{"text/html"}}, Body("<h1>Hello World!</h1>")
}

func TestStaticSuccess(t *testing.T) {
// Compile the stack
staticStack := new(Stack)
staticStack.Middleware(Static("./static"))
staticApp := staticStack.Compile(staticTestServer)

// Request against it
request, err := http.NewRequest("GET", "http://localhost:3000/static.html", nil)
status, headers, body := staticApp(Env{"mango.request": &Request{request}})

if err != nil {
t.Error(err)
}

if status != 200 {
t.Error("Expected status to equal 200, got:", status)
}

expected := "<h1>I'm a static test file</h1>\n"
if string(body) != expected {
t.Error("Expected body:", string(body), "to equal:", expected)
}

expected = "text/html"
got := headers.Get("Content-Type")
if got != expected {
t.Error("Expected Content-Type:", got, "to equal:", expected)
}
}

func TestStaticFail(t *testing.T) {
// Compile the stack
staticStack := new(Stack)
staticStack.Middleware(Static("./static"))
staticApp := staticStack.Compile(staticTestServer)

// Request against it
request, err := http.NewRequest("GET", "http://localhost:3000/not_a_file.html", nil)
status, _, body := staticApp(Env{"mango.request": &Request{request}})

if err != nil {
t.Error(err)
}

if status != 200 {
t.Error("Expected status to equal 200, got:", status)
}

expected := "<h1>Hello World!</h1>"
if string(body) != expected {
t.Error("Expected body:", string(body), "to equal:", expected)
}
}

func TestStaticBinaryFile(t *testing.T) {
// Compile the stack
staticStack := new(Stack)
staticStack.Middleware(Static("./static"))
staticApp := staticStack.Compile(staticTestServer)

// Request against it
request, err := http.NewRequest("GET", "http://localhost:3000/binary_file.png", nil)
status, _, body := staticApp(Env{"mango.request": &Request{request}})

if err != nil {
t.Error(err)
}

if status != 200 {
t.Error("Expected status to equal 200, got:", status)
}

expected, err := ioutil.ReadFile("./static/binary_file.png")
if err != nil {
t.Error(err)
}

if bytes.Compare([]byte(body), []byte(expected)) != 0 {
t.Error("Expected body to equal ./static/binary_file.png")
}
}

func BenchmarkStatic(b *testing.B) {
b.StopTimer()

staticStack := new(Stack)
staticStack.Middleware(Static("./static"))
staticApp := staticStack.Compile(staticTestServer)

request, _ := http.NewRequest("GET", "http://localhost:3000/static.html", nil)

b.StartTimer()
for i := 0; i < b.N; i++ {
staticApp(Env{"mango.request": &Request{request}})
}
b.StopTimer()
}
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