go: cannot find main module; see 'go help modules'
You have to initialize the project before you can run test:
go mod init puppy
https://golang.org/cmd/go#hdr-Module_maintenance
AliReda-M
Updated on June 14, 2022Comments
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AliReda-M almost 2 years
I recently started using Go. I installed go's extension on vscode and I can use some commands like go run and go build but when I run go test I get the following error: go: cannot find main module; see 'go help modules'. although I have a *_test.go file.
When I run go help modules, I get the following output:
Modules are how Go manages dependencies.
A module is a collection of packages that are released, versioned, and distributed together. Modules may be downloaded directly from version control repositories or from module proxy servers.
For a series of tutorials on modules, see https://golang.org/doc/tutorial/create-module.
For a detailed reference on modules, see https://golang.org/ref/mod.
By default, the go command may download modules from https://proxy.golang.org. It may authenticate modules using the checksum database at https://sum.golang.org. Both services are operated by the Go team at Google. The privacy policies for these services are available at https://proxy.golang.org/privacy and https://sum.golang.org/privacy, respectively.
The go command's download behavior may be configured using GOPROXY, GOSUMDB, GOPRIVATE, and other environment variables. See 'go help environment' and https://golang.org/ref/mod#private-module-privacy for more information.
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AliReda-M about 3 yearsI WAS SUFFERING!! THANKS!