本文整理匯總了Golang中github.com/raphael/goa.Context.Value方法的典型用法代碼示例。如果您正苦於以下問題：Golang Context.Value方法的具體用法？Golang Context.Value怎麽用？Golang Context.Value使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/raphael/goa.Context的用法示例。
在下文中一共展示了Context.Value方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1:
BeforeEach(func() {
req, err := http.NewRequest("GET", "/goo", nil)
Ω(err).ShouldNot(HaveOccurred())
req.Header.Set("X-Request-Id", reqID)
ctx = goa.NewContext(nil, req, new(TestResponseWriter), nil, nil)
})
It("sets the request ID in the context", func() {
h := func(ctx *goa.Context) error {
ctx.JSON(200, "ok")
return nil
}
rg := goa.RequestID()(h)
Ω(rg(ctx)).ShouldNot(HaveOccurred())
Ω(ctx.Value(goa.ReqIDKey)).Should(Equal(reqID))
})
})
var _ = Describe("Recover", func() {
It("recovers", func() {
h := func(ctx *goa.Context) error {
panic("boom")
}
rg := goa.Recover()(h)
err := rg(goa.NewContext(nil, nil, nil, nil, nil))
Ω(err).Should(HaveOccurred())
Ω(err.Error()).Should(Equal("panic: boom"))
})
})
示例2:
})
It("returns the jwt token that was sent as a header", func() {
req.Header.Set("Authorization", "bearer "+tokenString)
h := func(ctx *goa.Context) error {
ctx.Respond(200, "ok")
return nil
}
jw := jwt.Middleware(spec)(h)
Ω(jw(ctx)).ShouldNot(HaveOccurred())
Ω(ctx.ResponseStatus()).Should(Equal(http.StatusOK))
tok, err := jwtg.Parse(tokenString, validFunc)
Ω(err).ShouldNot(HaveOccurred())
Ω(ctx.Value(jwt.JWTKey)).Should(Equal(tok))
// Are these negative tests necessary? If the above test passes
// this one can't pass, right?
Ω(ctx.Value(jwt.JWTKey)).ShouldNot(Equal("bearer TOKEN"))
})
It("returns the custom claims", func() {
req.Header.Set("Authorization", "bearer "+tokenString)
h := func(ctx *goa.Context) error {
ctx.Respond(200, "ok")
return nil
}
jw := jwt.Middleware(spec)(h)
Ω(jw(ctx)).ShouldNot(HaveOccurred())
Ω(ctx.ResponseStatus()).Should(Equal(http.StatusOK))示例3:
BeforeEach(func() {
gctx := context.Background()
ctx = &goa.Context{Context: gctx, Logger: logger}
})
Describe("SetValue", func() {
key := "answer"
val := 42
BeforeEach(func() {
ctx.SetValue(key, val)
})
It("sets the value in the context.Context", func() {
v := ctx.Value(key)
Ω(v).Should(Equal(val))
})
})
Describe("SetResponseWriter", func() {
var rw http.ResponseWriter
BeforeEach(func() {
rw = &TestResponseWriter{Status: 42}
})
It("sets the response writer and returns the previous one", func() {
rwo := ctx.SetResponseWriter(rw)
Ω(rwo).Should(BeNil())
rwo = ctx.SetResponseWriter(&TestResponseWriter{Status: 43})示例4:
BeforeEach(func() {
req, err := http.NewRequest("GET", "/goo", nil)
Ω(err).ShouldNot(HaveOccurred())
req.Header.Set("X-Request-Id", reqID)
ctx = goa.NewContext(nil, goa.New("test"), req, new(testResponseWriter), nil)
})
It("sets the request ID in the context", func() {
h := func(ctx *goa.Context) error {
ctx.Respond(200, "ok")
return nil
}
rg := middleware.RequestID()(h)
Ω(rg(ctx)).ShouldNot(HaveOccurred())
Ω(ctx.Value(middleware.ReqIDKey)).Should(Equal(reqID))
})
})
var _ = Describe("Recover", func() {
It("recovers", func() {
h := func(ctx *goa.Context) error {
panic("boom")
}
rg := middleware.Recover()(h)
err := rg(goa.NewContext(nil, goa.New("test"), nil, nil, nil))
Ω(err).Should(HaveOccurred())
Ω(err.Error()).Should(Equal("panic: boom"))
})
})