The wonderful use of go generation command

The go generation command can automatically generate code to improve development efficiency and code quality: 1. Generate test files (go test -c -o mytestrun your_package); 2. Generate executable files (./mytestrun); 3. Generate mocks Code (mockgen -destination=mocks/notifier.go github.com/yourrepo/yourapp/internal/pkg/notifier Notifier); 4. Generate the structure Marshal/Unmarshal method (go generate ./...).

The wonderful use of go generation command

The go generation command is a powerful tool in the Go language, which can automatically generate code, thereby saving development time and improving Code quality.

Practical case

Generate test file

go test -c -o mytestrun your_package # 执行test生成可执行文件
./mytestrun # 运行测试文件

Generate mock code

mockgen is a popular package for generating mock code.

go get -u github.com/golang/mock/mockgen # 安装mockgen包
mockgen -destination=mocks/notifier.go github.com/yourrepo/yourapp/internal/pkg/notifier Notifier # 生成mock代码

Generate structure Marshal and Unmarshal methods

go generate ./... # 在当前目录及子目录运行代码生成器
# 生成的代码位于文件 package_stringer.go 中

Summary

The go generation command is a powerful tool that can improve development efficiency and code quality by automatically generating code. This article provides several practical examples showing how to use the go generation command to generate test files, mock code, and structure Marshal/Unmarshal methods.

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