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// Copyright 2014 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 (
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
)
func performRequest(r http.Handler, method, path string) *httptest.ResponseRecorder {
req, _ := http.NewRequest(method, path, nil)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
return w
}
func testRouteOK(method string, t *testing.T) {
passed := false
passedAny := false
r := New()
r.Any("/test2", func(c *Context) {
passedAny = true
})
r.Handle(method, "/test", func(c *Context) {
passed = true
})
w := performRequest(r, method, "/test")
assert.True(t, passed)
assert.Equal(t, w.Code, http.StatusOK)
performRequest(r, method, "/test2")
assert.True(t, passedAny)
}
// TestSingleRouteOK tests that POST route is correctly invoked.
func testRouteNotOK(method string, t *testing.T) {
passed := false
router := New()
router.Handle(method, "/test_2", func(c *Context) {
passed = true
})
w := performRequest(router, method, "/test")
assert.False(t, passed)
assert.Equal(t, w.Code, http.StatusNotFound)
}
// TestSingleRouteOK tests that POST route is correctly invoked.
func testRouteNotOK2(method string, t *testing.T) {
passed := false
router := New()
router.HandleMethodNotAllowed = true
var methodRoute string
if method == "POST" {
methodRoute = "GET"
} else {
methodRoute = "POST"
}
router.Handle(methodRoute, "/test", func(c *Context) {
passed = true
})
w := performRequest(router, method, "/test")
assert.False(t, passed)
assert.Equal(t, w.Code, http.StatusMethodNotAllowed)
}
func TestRouterMethod(t *testing.T) {
router := New()
router.PUT("/hey2", func(c *Context) {
c.String(200, "sup2")
})
router.PUT("/hey", func(c *Context) {
c.String(200, "called")
})
router.PUT("/hey3", func(c *Context) {
c.String(200, "sup3")
})
w := performRequest(router, "PUT", "/hey")
assert.Equal(t, w.Code, 200)
assert.Equal(t, w.Body.String(), "called")
}
func TestRouterGroupRouteOK(t *testing.T) {
testRouteOK("GET", t)
testRouteOK("POST", t)
testRouteOK("PUT", t)
testRouteOK("PATCH", t)
testRouteOK("HEAD", t)
testRouteOK("OPTIONS", t)
testRouteOK("DELETE", t)
testRouteOK("CONNECT", t)
testRouteOK("TRACE", t)
}
func TestRouteNotOK(t *testing.T) {
testRouteNotOK("GET", t)
testRouteNotOK("POST", t)
testRouteNotOK("PUT", t)
testRouteNotOK("PATCH", t)
testRouteNotOK("HEAD", t)
testRouteNotOK("OPTIONS", t)
testRouteNotOK("DELETE", t)
testRouteNotOK("CONNECT", t)
testRouteNotOK("TRACE", t)
}
func TestRouteNotOK2(t *testing.T) {
testRouteNotOK2("GET", t)
testRouteNotOK2("POST", t)
testRouteNotOK2("PUT", t)
testRouteNotOK2("PATCH", t)
testRouteNotOK2("HEAD", t)
testRouteNotOK2("OPTIONS", t)
testRouteNotOK2("DELETE", t)
testRouteNotOK2("CONNECT", t)
testRouteNotOK2("TRACE", t)
}
func TestRouteRedirectTrailingSlash(t *testing.T) {
router := New()
router.RedirectFixedPath = false
router.RedirectTrailingSlash = true
router.GET("/path", func(c *Context) {})
router.GET("/path2/", func(c *Context) {})
router.POST("/path3", func(c *Context) {})
router.PUT("/path4/", func(c *Context) {})
w := performRequest(router, "GET", "/path/")
assert.Equal(t, w.Header().Get("Location"), "/path")
assert.Equal(t, w.Code, 301)
w = performRequest(router, "GET", "/path2")
assert.Equal(t, w.Header().Get("Location"), "/path2/")
assert.Equal(t, w.Code, 301)
w = performRequest(router, "POST", "/path3/")
assert.Equal(t, w.Header().Get("Location"), "/path3")
assert.Equal(t, w.Code, 307)
w = performRequest(router, "PUT", "/path4")
assert.Equal(t, w.Header().Get("Location"), "/path4/")
assert.Equal(t, w.Code, 307)
w = performRequest(router, "GET", "/path")
assert.Equal(t, w.Code, 200)
w = performRequest(router, "GET", "/path2/")
assert.Equal(t, w.Code, 200)
w = performRequest(router, "POST", "/path3")
assert.Equal(t, w.Code, 200)
w = performRequest(router, "PUT", "/path4/")
assert.Equal(t, w.Code, 200)
router.RedirectTrailingSlash = false
w = performRequest(router, "GET", "/path/")
assert.Equal(t, w.Code, 404)
w = performRequest(router, "GET", "/path2")
assert.Equal(t, w.Code, 404)
w = performRequest(router, "POST", "/path3/")
assert.Equal(t, w.Code, 404)
w = performRequest(router, "PUT", "/path4")
assert.Equal(t, w.Code, 404)
}
func TestRouteRedirectFixedPath(t *testing.T) {
router := New()
router.RedirectFixedPath = true
router.RedirectTrailingSlash = false
router.GET("/path", func(c *Context) {})
router.GET("/Path2", func(c *Context) {})
router.POST("/PATH3", func(c *Context) {})
router.POST("/Path4/", func(c *Context) {})
w := performRequest(router, "GET", "/PATH")
assert.Equal(t, w.Header().Get("Location"), "/path")
assert.Equal(t, w.Code, 301)
w = performRequest(router, "GET", "/path2")
assert.Equal(t, w.Header().Get("Location"), "/Path2")
assert.Equal(t, w.Code, 301)
w = performRequest(router, "POST", "/path3")
assert.Equal(t, w.Header().Get("Location"), "/PATH3")
assert.Equal(t, w.Code, 307)
w = performRequest(router, "POST", "/path4")
assert.Equal(t, w.Header().Get("Location"), "/Path4/")
assert.Equal(t, w.Code, 307)
}
// TestContextParamsGet tests that a parameter can be parsed from the URL.
func TestRouteParamsByName(t *testing.T) {
name := ""
lastName := ""
wild := ""
router := New()
router.GET("/test/:name/:last_name/*wild", func(c *Context) {
name = c.Params.ByName("name")
lastName = c.Params.ByName("last_name")
var ok bool
wild, ok = c.Params.Get("wild")
assert.True(t, ok)
assert.Equal(t, name, c.Param("name"))
assert.Equal(t, name, c.Param("name"))
assert.Equal(t, lastName, c.Param("last_name"))
assert.Empty(t, c.Param("wtf"))
assert.Empty(t, c.Params.ByName("wtf"))
wtf, ok := c.Params.Get("wtf")
assert.Empty(t, wtf)
assert.False(t, ok)
})
w := performRequest(router, "GET", "/test/john/smith/is/super/great")
assert.Equal(t, w.Code, 200)
assert.Equal(t, name, "john")
assert.Equal(t, lastName, "smith")
assert.Equal(t, wild, "/is/super/great")
}
// TestHandleStaticFile - ensure the static file handles properly
func TestRouteStaticFile(t *testing.T) {
// SETUP file
testRoot, _ := os.Getwd()
f, err := ioutil.TempFile(testRoot, "")
if err != nil {
t.Error(err)
}
defer os.Remove(f.Name())
f.WriteString("Gin Web Framework")
f.Close()
dir, filename := filepath.Split(f.Name())
// SETUP gin
router := New()
router.Static("/using_static", dir)
router.StaticFile("/result", f.Name())
w := performRequest(router, "GET", "/using_static/"+filename)
w2 := performRequest(router, "GET", "/result")
assert.Equal(t, w, w2)
assert.Equal(t, w.Code, 200)
assert.Equal(t, w.Body.String(), "Gin Web Framework")
assert.Equal(t, w.HeaderMap.Get("Content-Type"), "text/plain; charset=utf-8")
w3 := performRequest(router, "HEAD", "/using_static/"+filename)
w4 := performRequest(router, "HEAD", "/result")
assert.Equal(t, w3, w4)
assert.Equal(t, w3.Code, 200)
}
// TestHandleStaticDir - ensure the root/sub dir handles properly
func TestRouteStaticListingDir(t *testing.T) {
router := New()
router.StaticFS("/", Dir("./", true))
w := performRequest(router, "GET", "/")
assert.Equal(t, w.Code, 200)
assert.Contains(t, w.Body.String(), "gin.go")
assert.Equal(t, w.HeaderMap.Get("Content-Type"), "text/html; charset=utf-8")
}
// TestHandleHeadToDir - ensure the root/sub dir handles properly
func TestRouteStaticNoListing(t *testing.T) {
router := New()
router.Static("/", "./")
w := performRequest(router, "GET", "/")
assert.Equal(t, w.Code, 404)
assert.NotContains(t, w.Body.String(), "gin.go")
}
func TestRouterMiddlewareAndStatic(t *testing.T) {
router := New()
static := router.Group("/", func(c *Context) {
c.Writer.Header().Add("Last-Modified", "Mon, 02 Jan 2006 15:04:05 MST")
c.Writer.Header().Add("Expires", "Mon, 02 Jan 2006 15:04:05 MST")
c.Writer.Header().Add("X-GIN", "Gin Framework")
})
static.Static("/", "./")
w := performRequest(router, "GET", "/gin.go")
assert.Equal(t, w.Code, 200)
assert.Contains(t, w.Body.String(), "package gin")
assert.Equal(t, w.HeaderMap.Get("Content-Type"), "text/plain; charset=utf-8")
assert.NotEqual(t, w.HeaderMap.Get("Last-Modified"), "Mon, 02 Jan 2006 15:04:05 MST")
assert.Equal(t, w.HeaderMap.Get("Expires"), "Mon, 02 Jan 2006 15:04:05 MST")
assert.Equal(t, w.HeaderMap.Get("x-GIN"), "Gin Framework")
}
func TestRouteNotAllowedEnabled(t *testing.T) {
router := New()
router.HandleMethodNotAllowed = true
router.POST("/path", func(c *Context) {})
w := performRequest(router, "GET", "/path")
assert.Equal(t, w.Code, http.StatusMethodNotAllowed)
router.NoMethod(func(c *Context) {
c.String(http.StatusTeapot, "responseText")
})
w = performRequest(router, "GET", "/path")
assert.Equal(t, w.Body.String(), "responseText")
assert.Equal(t, w.Code, http.StatusTeapot)
}
func TestRouteNotAllowedDisabled(t *testing.T) {
router := New()
router.HandleMethodNotAllowed = false
router.POST("/path", func(c *Context) {})
w := performRequest(router, "GET", "/path")
assert.Equal(t, w.Code, 404)
router.NoMethod(func(c *Context) {
c.String(http.StatusTeapot, "responseText")
})
w = performRequest(router, "GET", "/path")
assert.Equal(t, w.Body.String(), "404 page not found")
assert.Equal(t, w.Code, 404)
}
func TestRouterNotFound(t *testing.T) {
router := New()
router.RedirectFixedPath = true
router.GET("/path", func(c *Context) {})
router.GET("/dir/", func(c *Context) {})
router.GET("/", func(c *Context) {})
testRoutes := []struct {
route string
code int
header string
}{
{"/path/", 301, "map[Location:[/path]]"}, // TSR -/
{"/dir", 301, "map[Location:[/dir/]]"}, // TSR +/
{"", 301, "map[Location:[/]]"}, // TSR +/
{"/PATH", 301, "map[Location:[/path]]"}, // Fixed Case
{"/DIR/", 301, "map[Location:[/dir/]]"}, // Fixed Case
{"/PATH/", 301, "map[Location:[/path]]"}, // Fixed Case -/
{"/DIR", 301, "map[Location:[/dir/]]"}, // Fixed Case +/
{"/../path", 301, "map[Location:[/path]]"}, // CleanPath
{"/nope", 404, ""}, // NotFound
}
for _, tr := range testRoutes {
w := performRequest(router, "GET", tr.route)
assert.Equal(t, w.Code, tr.code)
if w.Code != 404 {
assert.Equal(t, fmt.Sprint(w.Header()), tr.header)
}
}
// Test custom not found handler
var notFound bool
router.NoRoute(func(c *Context) {
c.AbortWithStatus(404)
notFound = true
})
w := performRequest(router, "GET", "/nope")
assert.Equal(t, w.Code, 404)
assert.True(t, notFound)
// Test other method than GET (want 307 instead of 301)
router.PATCH("/path", func(c *Context) {})
w = performRequest(router, "PATCH", "/path/")
assert.Equal(t, w.Code, 307)
assert.Equal(t, fmt.Sprint(w.Header()), "map[Location:[/path]]")
// Test special case where no node for the prefix "/" exists
router = New()
router.GET("/a", func(c *Context) {})
w = performRequest(router, "GET", "/")
assert.Equal(t, w.Code, 404)
}