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https://github.com/go-gitea/gitea
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To mock a handler:
```go
web.RouteMock(web.MockAfterMiddlewares, func(ctx *context.Context) {
// ...
})
defer web.RouteMockReset()
```
It helps:
* Test the middleware's behavior (assert the ctx.Data, etc)
* Mock the middleware's behavior (prepare some context data for handler)
* Mock the handler's response for some test cases, especially for some
integration tests and e2e tests.
71 lines
2.3 KiB
Go
71 lines
2.3 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package web
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import (
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"net/http"
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"net/http/httptest"
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"testing"
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"code.gitea.io/gitea/modules/setting"
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"github.com/stretchr/testify/assert"
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)
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func TestRouteMock(t *testing.T) {
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setting.IsInTesting = true
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r := NewRoute()
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middleware1 := func(resp http.ResponseWriter, req *http.Request) {
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resp.Header().Set("X-Test-Middleware1", "m1")
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}
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middleware2 := func(resp http.ResponseWriter, req *http.Request) {
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resp.Header().Set("X-Test-Middleware2", "m2")
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}
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handler := func(resp http.ResponseWriter, req *http.Request) {
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resp.Header().Set("X-Test-Handler", "h")
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}
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r.Get("/foo", middleware1, RouteMockPoint("mock-point"), middleware2, handler)
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// normal request
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recorder := httptest.NewRecorder()
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req, err := http.NewRequest("GET", "http://localhost:8000/foo", nil)
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assert.NoError(t, err)
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r.ServeHTTP(recorder, req)
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assert.Len(t, recorder.Header(), 3)
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assert.EqualValues(t, "m1", recorder.Header().Get("X-Test-Middleware1"))
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assert.EqualValues(t, "m2", recorder.Header().Get("X-Test-Middleware2"))
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assert.EqualValues(t, "h", recorder.Header().Get("X-Test-Handler"))
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RouteMockReset()
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// mock at "mock-point"
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RouteMock("mock-point", func(resp http.ResponseWriter, req *http.Request) {
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resp.Header().Set("X-Test-MockPoint", "a")
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resp.WriteHeader(http.StatusOK)
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})
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recorder = httptest.NewRecorder()
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req, err = http.NewRequest("GET", "http://localhost:8000/foo", nil)
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assert.NoError(t, err)
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r.ServeHTTP(recorder, req)
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assert.Len(t, recorder.Header(), 2)
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assert.EqualValues(t, "m1", recorder.Header().Get("X-Test-Middleware1"))
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assert.EqualValues(t, "a", recorder.Header().Get("X-Test-MockPoint"))
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RouteMockReset()
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// mock at MockAfterMiddlewares
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RouteMock(MockAfterMiddlewares, func(resp http.ResponseWriter, req *http.Request) {
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resp.Header().Set("X-Test-MockPoint", "b")
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resp.WriteHeader(http.StatusOK)
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})
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recorder = httptest.NewRecorder()
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req, err = http.NewRequest("GET", "http://localhost:8000/foo", nil)
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assert.NoError(t, err)
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r.ServeHTTP(recorder, req)
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assert.Len(t, recorder.Header(), 3)
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assert.EqualValues(t, "m1", recorder.Header().Get("X-Test-Middleware1"))
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assert.EqualValues(t, "m2", recorder.Header().Get("X-Test-Middleware2"))
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assert.EqualValues(t, "b", recorder.Header().Get("X-Test-MockPoint"))
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RouteMockReset()
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}
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