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gin_integration_test.go
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gin_integration_test.go
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// Copyright 2017 Manu Martinez-Almeida. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package gin
import (
"bufio"
"crypto/tls"
"fmt"
"html/template"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"os"
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func testRequest(t *testing.T, url string) {
tr := &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
}
client := &http.Client{Transport: tr}
resp, err := client.Get(url)
assert.NoError(t, err)
defer resp.Body.Close()
body, ioerr := ioutil.ReadAll(resp.Body)
assert.NoError(t, ioerr)
assert.Equal(t, "it worked", string(body), "resp body should match")
assert.Equal(t, "200 OK", resp.Status, "should get a 200")
}
func TestRunEmpty(t *testing.T) {
os.Setenv("PORT", "")
router := New()
go func() {
router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
assert.NoError(t, router.Run())
}()
// have to wait for the goroutine to start and run the server
// otherwise the main thread will complete
time.Sleep(5 * time.Millisecond)
assert.Error(t, router.Run(":8080"))
testRequest(t, "http://localhost:8080/example")
}
func TestRunTLS(t *testing.T) {
router := New()
go func() {
router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
assert.NoError(t, router.RunTLS(":8443", "./testdata/certificate/cert.pem", "./testdata/certificate/key.pem"))
}()
// have to wait for the goroutine to start and run the server
// otherwise the main thread will complete
time.Sleep(5 * time.Millisecond)
assert.Error(t, router.RunTLS(":8443", "./testdata/certificate/cert.pem", "./testdata/certificate/key.pem"))
testRequest(t, "https://localhost:8443/example")
}
func TestPusher(t *testing.T) {
var html = template.Must(template.New("https").Parse(`
<html>
<head>
<title>Https Test</title>
<script src="/assets/app.js"></script>
</head>
<body>
<h1 style="color:red;">Welcome, Ginner!</h1>
</body>
</html>
`))
router := New()
router.Static("./assets", "./assets")
router.SetHTMLTemplate(html)
go func() {
router.GET("/pusher", func(c *Context) {
if pusher := c.Writer.Pusher(); pusher != nil {
err := pusher.Push("/assets/app.js", nil)
assert.NoError(t, err)
}
c.String(http.StatusOK, "it worked")
})
assert.NoError(t, router.RunTLS(":8449", "./testdata/certificate/cert.pem", "./testdata/certificate/key.pem"))
}()
// have to wait for the goroutine to start and run the server
// otherwise the main thread will complete
time.Sleep(5 * time.Millisecond)
assert.Error(t, router.RunTLS(":8449", "./testdata/certificate/cert.pem", "./testdata/certificate/key.pem"))
testRequest(t, "https://localhost:8449/pusher")
}
func TestRunEmptyWithEnv(t *testing.T) {
os.Setenv("PORT", "3123")
router := New()
go func() {
router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
assert.NoError(t, router.Run())
}()
// have to wait for the goroutine to start and run the server
// otherwise the main thread will complete
time.Sleep(5 * time.Millisecond)
assert.Error(t, router.Run(":3123"))
testRequest(t, "http://localhost:3123/example")
}
func TestRunTooMuchParams(t *testing.T) {
router := New()
assert.Panics(t, func() {
assert.NoError(t, router.Run("2", "2"))
})
}
func TestRunWithPort(t *testing.T) {
router := New()
go func() {
router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
assert.NoError(t, router.Run(":5150"))
}()
// have to wait for the goroutine to start and run the server
// otherwise the main thread will complete
time.Sleep(5 * time.Millisecond)
assert.Error(t, router.Run(":5150"))
testRequest(t, "http://localhost:5150/example")
}
func TestUnixSocket(t *testing.T) {
router := New()
go func() {
router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
assert.NoError(t, router.RunUnix("/tmp/unix_unit_test"))
}()
// have to wait for the goroutine to start and run the server
// otherwise the main thread will complete
time.Sleep(5 * time.Millisecond)
c, err := net.Dial("unix", "/tmp/unix_unit_test")
assert.NoError(t, err)
fmt.Fprint(c, "GET /example HTTP/1.0\r\n\r\n")
scanner := bufio.NewScanner(c)
var response string
for scanner.Scan() {
response += scanner.Text()
}
assert.Contains(t, response, "HTTP/1.0 200", "should get a 200")
assert.Contains(t, response, "it worked", "resp body should match")
}
func TestBadUnixSocket(t *testing.T) {
router := New()
assert.Error(t, router.RunUnix("#/tmp/unix_unit_test"))
}
func TestFileDescriptor(t *testing.T) {
router := New()
addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
assert.NoError(t, err)
listener, err := net.ListenTCP("tcp", addr)
assert.NoError(t, err)
socketFile, err := listener.File()
assert.NoError(t, err)
go func() {
router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
assert.NoError(t, router.RunFd(int(socketFile.Fd())))
}()
// have to wait for the goroutine to start and run the server
// otherwise the main thread will complete
time.Sleep(5 * time.Millisecond)
c, err := net.Dial("tcp", listener.Addr().String())
assert.NoError(t, err)
fmt.Fprintf(c, "GET /example HTTP/1.0\r\n\r\n")
scanner := bufio.NewScanner(c)
var response string
for scanner.Scan() {
response += scanner.Text()
}
assert.Contains(t, response, "HTTP/1.0 200", "should get a 200")
assert.Contains(t, response, "it worked", "resp body should match")
}
func TestBadFileDescriptor(t *testing.T) {
router := New()
assert.Error(t, router.RunFd(0))
}
func TestListener(t *testing.T) {
router := New()
addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
assert.NoError(t, err)
listener, err := net.ListenTCP("tcp", addr)
assert.NoError(t, err)
go func() {
router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
assert.NoError(t, router.RunListener(listener))
}()
// have to wait for the goroutine to start and run the server
// otherwise the main thread will complete
time.Sleep(5 * time.Millisecond)
c, err := net.Dial("tcp", listener.Addr().String())
assert.NoError(t, err)
fmt.Fprintf(c, "GET /example HTTP/1.0\r\n\r\n")
scanner := bufio.NewScanner(c)
var response string
for scanner.Scan() {
response += scanner.Text()
}
assert.Contains(t, response, "HTTP/1.0 200", "should get a 200")
assert.Contains(t, response, "it worked", "resp body should match")
}
func TestBadListener(t *testing.T) {
router := New()
addr, err := net.ResolveTCPAddr("tcp", "localhost:10086")
assert.NoError(t, err)
listener, err := net.ListenTCP("tcp", addr)
assert.NoError(t, err)
listener.Close()
assert.Error(t, router.RunListener(listener))
}
func TestWithHttptestWithAutoSelectedPort(t *testing.T) {
router := New()
router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
ts := httptest.NewServer(router)
defer ts.Close()
testRequest(t, ts.URL+"/example")
}
func TestConcurrentHandleContext(t *testing.T) {
router := New()
router.GET("/", func(c *Context) {
c.Request.URL.Path = "/example"
router.HandleContext(c)
})
router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
var wg sync.WaitGroup
iterations := 200
wg.Add(iterations)
for i := 0; i < iterations; i++ {
go func() {
testGetRequestHandler(t, router, "/")
wg.Done()
}()
}
wg.Wait()
}
// func TestWithHttptestWithSpecifiedPort(t *testing.T) {
// router := New()
// router.GET("/example", func(c *Context) { c.String(http.StatusOK, "it worked") })
// l, _ := net.Listen("tcp", ":8033")
// ts := httptest.Server{
// Listener: l,
// Config: &http.Server{Handler: router},
// }
// ts.Start()
// defer ts.Close()
// testRequest(t, "http://localhost:8033/example")
// }
func testGetRequestHandler(t *testing.T, h http.Handler, url string) {
req, err := http.NewRequest(http.MethodGet, url, nil)
assert.NoError(t, err)
w := httptest.NewRecorder()
h.ServeHTTP(w, req)
assert.Equal(t, "it worked", w.Body.String(), "resp body should match")
assert.Equal(t, 200, w.Code, "should get a 200")
}