gin/routergroup_test.go

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// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
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// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package gin
import (
"net/http"
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"testing"
"github.com/stretchr/testify/assert"
)
func init() {
SetMode(TestMode)
}
func TestRouterGroupBasic(t *testing.T) {
router := New()
group := router.Group("/hola", func(c *Context) {})
group.Use(func(c *Context) {})
assert.Len(t, group.Handlers, 2)
assert.Equal(t, "/hola", group.BasePath())
assert.Equal(t, router, group.engine)
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group2 := group.Group("manu")
group2.Use(func(c *Context) {}, func(c *Context) {})
assert.Len(t, group2.Handlers, 4)
assert.Equal(t, "/hola/manu", group2.BasePath())
assert.Equal(t, router, group2.engine)
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}
func TestRouterGroupBasicHandle(t *testing.T) {
performRequestInGroup(t, http.MethodGet)
performRequestInGroup(t, http.MethodPost)
performRequestInGroup(t, http.MethodPut)
performRequestInGroup(t, http.MethodPatch)
performRequestInGroup(t, http.MethodDelete)
performRequestInGroup(t, http.MethodHead)
performRequestInGroup(t, http.MethodOptions)
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}
func performRequestInGroup(t *testing.T, method string) {
router := New()
v1 := router.Group("v1", func(c *Context) {})
assert.Equal(t, "/v1", v1.BasePath())
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login := v1.Group("/login/", func(c *Context) {}, func(c *Context) {})
assert.Equal(t, "/v1/login/", login.BasePath())
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handler := func(c *Context) {
c.String(http.StatusBadRequest, "the method was %s and index %d", c.Request.Method, c.index)
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}
switch method {
case http.MethodGet:
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v1.GET("/test", handler)
login.GET("/test", handler)
case http.MethodPost:
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v1.POST("/test", handler)
login.POST("/test", handler)
case http.MethodPut:
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v1.PUT("/test", handler)
login.PUT("/test", handler)
case http.MethodPatch:
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v1.PATCH("/test", handler)
login.PATCH("/test", handler)
case http.MethodDelete:
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v1.DELETE("/test", handler)
login.DELETE("/test", handler)
case http.MethodHead:
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v1.HEAD("/test", handler)
login.HEAD("/test", handler)
case http.MethodOptions:
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v1.OPTIONS("/test", handler)
login.OPTIONS("/test", handler)
default:
panic("unknown method")
}
w := PerformRequest(router, method, "/v1/login/test")
assert.Equal(t, http.StatusBadRequest, w.Code)
assert.Equal(t, "the method was "+method+" and index 3", w.Body.String())
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w = PerformRequest(router, method, "/v1/test")
assert.Equal(t, http.StatusBadRequest, w.Code)
assert.Equal(t, "the method was "+method+" and index 1", w.Body.String())
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}
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func TestRouterGroupInvalidStatic(t *testing.T) {
router := New()
assert.Panics(t, func() {
router.Static("/path/:param", "/")
})
assert.Panics(t, func() {
router.Static("/path/*param", "/")
})
}
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func TestRouterGroupInvalidStaticFile(t *testing.T) {
router := New()
assert.Panics(t, func() {
router.StaticFile("/path/:param", "favicon.ico")
})
assert.Panics(t, func() {
router.StaticFile("/path/*param", "favicon.ico")
})
}
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func TestRouterGroupInvalidStaticFileFS(t *testing.T) {
router := New()
assert.Panics(t, func() {
router.StaticFileFS("/path/:param", "favicon.ico", Dir(".", false))
})
assert.Panics(t, func() {
router.StaticFileFS("/path/*param", "favicon.ico", Dir(".", false))
})
}
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func TestRouterGroupTooManyHandlers(t *testing.T) {
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const (
panicValue = "too many handlers"
maximumCnt = abortIndex
)
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router := New()
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handlers1 := make([]HandlerFunc, maximumCnt-1)
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router.Use(handlers1...)
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handlers2 := make([]HandlerFunc, maximumCnt+1)
assert.PanicsWithValue(t, panicValue, func() {
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router.Use(handlers2...)
})
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assert.PanicsWithValue(t, panicValue, func() {
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router.GET("/", handlers2...)
})
}
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func TestRouterGroupBadMethod(t *testing.T) {
router := New()
assert.Panics(t, func() {
router.Handle(http.MethodGet, "/")
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})
assert.Panics(t, func() {
router.Handle(" GET", "/")
})
assert.Panics(t, func() {
router.Handle("GET ", "/")
})
assert.Panics(t, func() {
router.Handle("", "/")
})
assert.Panics(t, func() {
router.Handle("PO ST", "/")
})
assert.Panics(t, func() {
router.Handle("1GET", "/")
})
assert.Panics(t, func() {
router.Handle("PATCh", "/")
})
}
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func TestRouterGroupPipeline(t *testing.T) {
router := New()
testRoutesInterface(t, router)
v1 := router.Group("/v1")
testRoutesInterface(t, v1)
}
func testRoutesInterface(t *testing.T, r IRoutes) {
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handler := func(c *Context) {}
assert.Equal(t, r, r.Use(handler))
assert.Equal(t, r, r.Handle(http.MethodGet, "/handler", handler))
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assert.Equal(t, r, r.Any("/any", handler))
assert.Equal(t, r, r.GET("/", handler))
assert.Equal(t, r, r.POST("/", handler))
assert.Equal(t, r, r.DELETE("/", handler))
assert.Equal(t, r, r.PATCH("/", handler))
assert.Equal(t, r, r.PUT("/", handler))
assert.Equal(t, r, r.OPTIONS("/", handler))
assert.Equal(t, r, r.HEAD("/", handler))
assert.Equal(t, r, r.StaticFile("/file", "."))
assert.Equal(t, r, r.StaticFileFS("/static2", ".", Dir(".", false)))
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assert.Equal(t, r, r.Static("/static", "."))
assert.Equal(t, r, r.StaticFS("/static2", Dir(".", false)))
}