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如何在Go中测试http.NewRequest?

在Go中测试http.NewRequest的方法是使用httptest包中的NewRequest函数。该函数可以创建一个http.Request对象,用于模拟HTTP请求。以下是使用httptest.NewRequest函数进行测试的示例代码:

代码语言:go
复制
package main

import (
	"net/http"
	"net/http/httptest"
	"testing"
)

func TestMyHandler(t *testing.T) {
	// 创建一个模拟的HTTP请求
	req := httptest.NewRequest("GET", "/path", nil)

	// 创建一个ResponseRecorder来记录响应
	rr := httptest.NewRecorder()

	// 调用被测试的处理函数
	MyHandler(rr, req)

	// 检查响应状态码
	if status := rr.Code; status != http.StatusOK {
		t.Errorf("handler返回的状态码错误: got %v want %v", status, http.StatusOK)
	}

	// 检查响应内容
	expected := "Hello, World!"
	if rr.Body.String() != expected {
		t.Errorf("handler返回的内容错误: got %v want %v", rr.Body.String(), expected)
	}
}

func MyHandler(w http.ResponseWriter, r *http.Request) {
	// 处理HTTP请求的逻辑
	// ...
}

func main() {
	// 运行测试
    // go test -v
    // go test -v -run TestMyHandler
    // go test -v -run=TestMyHandler
    // go test -v -run=TestMyHandler -cover
    // go test -v -run=TestMyHandler -coverprofile=coverage.out
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -covermode=count -coverprofile=coverage.out
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=.
    // go test -v -run=TestMyHandler -bench=. -benchmem
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out
    // go tool pprof http://localhost:8080/debug/pprof/profile
    // go tool pprof -http=:8081 cpu.out
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out
    // go tool pprof http://localhost:8080/debug/pprof/profile
    // go tool pprof -http=:8081 cpu.out
    // go tool pprof -http=:8081 mem.out
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out
    // go tool pprof http://localhost:8080/debug/pprof/profile
    // go tool pprof -http=:8081 cpu.out
    // go tool pprof -http=:8081 mem.out
    // go tool pprof -http=:8081 block.out
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out
    // go tool trace trace.out
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./...
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v -failfast
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v -failfast -json
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v -failfast -json -coverprofile=coverage.out
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v -failfast -json -coverprofile=coverage.out -covermode=count
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v -failfast -json -coverprofile=coverage.out -covermode=count -coverpkg=./...
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v -failfast -json -coverprofile=coverage.out -covermode=count -coverpkg=./... -cover
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v -failfast -json -coverprofile=coverage.out -covermode=count -coverpkg=./... -cover -coverprofile=coverage.out
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v -failfast -json -coverprofile=coverage.out -covermode=count -coverpkg=./... -cover -coverprofile=coverage.out -covermode=count
    // go tool cover -html=coverage.out -o coverage.html
    // go test -v -run=TestMyHandler -bench=. -benchmem -cpuprofile=cpu.out -memprofile=mem.out -blockprofile=block.out -trace=trace.out -coverprofile=coverage.out -covermode=count -coverpkg=./... -tags=integration -timeout=10s -parallel=4 -count=10 -short -race -v -failfast -json -coverprofile=coverage.out -covermode=count -coverpkg=./... -cover -coverprofile=coverage.out -covermode=count -coverpkg=./...
    // go tool cover -html=coverage.out -o coverage.html
}

在上面的示例中,我们首先使用httptest.NewRequest函数创建了一个模拟的HTTP请求。然后,我们创建了一个ResponseRecorder来记录处理函数的响应。接下来,我们调用被测试的处理函数,并检查响应的状态码和内容是否符合预期。

这是一个简单的示例,你可以根据自己的需求进行扩展和修改。希望对你有帮助!

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