我有兴趣在 Go 1.13 中运行https://github.com/cavaliercoder/grab包的单元测试。虽然我的GO111MODULE环境通常是,但我已经使用以下命令on将包下载到我的:GOPATHenv GO111MODULE=off go get -u -d github.com/cavaliercoder/grab在结果grab目录中,我运行了go mod init以下命令go.mod:module github.com/cavaliercoder/grab
go 1.13现在,如果我尝试运行go test,我会收到以下错误:> go testpanic: runtime error: invalid memory address or nil pointer dereference [recovered] panic: runtime error: invalid memory address or nil pointer dereference[signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x12cc70d]goroutine 1556 [running]:testing.tRunner.func1(0xc00010ea00) /usr/local/Cellar/go/1.13/libexec/src/testing/testing.go:874 +0x3a3panic(0x132ba20, 0x1629ed0) /usr/local/Cellar/go/1.13/libexec/src/runtime/panic.go:679 +0x1b2github.com/cavaliercoder/grab.guessFilename(0xc00052aed0, 0xc0000aa008, 0x13951b5, 0x3, 0x139c440) /Users/kurt/go/src/github.com/cavaliercoder/grab/util.go:51 +0x2dgithub.com/cavaliercoder/grab.TestURLFilenames.func2(0xc00010ea00) /Users/kurt/go/src/github.com/cavaliercoder/grab/util_test.go:54 +0x123testing.tRunner(0xc00010ea00, 0x13afdf8) /usr/local/Cellar/go/1.13/libexec/src/testing/testing.go:909 +0xc9created by testing.(*T).Run /usr/local/Cellar/go/1.13/libexec/src/testing/testing.go:960 +0x350exit status 2FAIL github.com/cavaliercoder/grab 2.531s我查看了有问题的测试文件,util_test.go但找不到任何问题:package grabimport ( "fmt" "net/http" "net/url" "testing")func TestURLFilenames(t *testing.T) { t.Run("Valid", func(t *testing.T) { expect := "filename" testCases := []string{ "http://test.com/filename", "http://test.com/path/filename", "http://test.com/deep/path/filename", "http://test.com/filename?with=args", "http://test.com/filename#with-fragment", "http://test.com/filename?with=args&and#with-fragment", }错误消息似乎说这req是一个空指针,但由于它是使用定义的,所以http.NewRequest()我不明白这是怎么回事?
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慕村225694
TA贡献1880条经验 获得超4个赞
添加此错误打印:
req, err1 := http.NewRequest("GET", tc, nil)
if err1 != nil {
log.Println(err1.Error())
}它会打印:
解析http://test.com/filename : net/url: URL 中的控制字符无效
这意味着该网址"http://test.com/filename\x00"不被允许。
注释掉这一行然后它就可以工作了:
[p1gd0g@p1gd0g-pc grab]$ go test PASS ok github.com/cavaliercoder/grab 2.586s
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