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Golang is an efficient and increasingly popular programming language, and its ecosystem is becoming more and more prosperous. In daily development, we often need to use some plug-ins to improve development efficiency and make development work more convenient. In this article, I will introduce five useful Golang plug-ins that can help developers complete their work better.
Issue Tracker: https://youtrack.jetbrains.com/issues/Go
GoLand is an IDE developed by JetBrains , is a tool specially designed for Go language development. One of the biggest advantages of this IDE is that it integrates many functions, such as automatic code completion and code reconstruction, which greatly improves development efficiency. In addition, it also provides some practical tools to analyze code quality and provide developers with a better development experience. Next, let’s take a look at GoLand’s code refactoring capabilities.
Code refactoring is a key step in the development process, which can greatly improve the readability and maintainability of the code. GoLand's code refactoring function provides many practical tools, such as smart renaming, moving methods, extracting functions, extracting interfaces, etc. The following is a sample code. We try to use GoLand's refactoring function to refactor the code:
package main import "fmt" func main() { fmt.Println("Hello, world!") }
First, we use GoLand to rename the main function to hello
:
package main import "fmt" func hello() { fmt.Println("Hello, world!") }
Then, we extract a function that is executed immediately:
package main import "fmt" func main() { printHello() } func printHello() { fmt.Println("Hello, world!") }
Issue Tracker: https://github.com/golang/go/issues
GoDoc is a very practical document generation tool that can automatically generate documentation for Go programs and has a certain degree of interactivity. Using GoDoc can help us quickly and accurately understand the various modules, APIs, and functions in the Go program. The official website of GoDoc has a lot of documentation and sample code about Go programs. We can use this to gain more knowledge to better develop and maintain our own Go programs.
Issue Tracker: https://github.com/alecthomas/chroma/issues
Chroma is a syntax highlighting tool that Multiple languages are supported and many configuration options are provided. Chroma is often used in Go language projects to display code examples, helping to make the example code easier to read and understand. Here is an example from Chroma:
package main import ( "fmt" "net/http" ) func handler(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, "Hello, World") } func main() { http.HandleFunc("/", handler) http.ListenAndServe(":8000", nil) }
Issue Tracker: https://github.com/smartystreets/goconvey/issues
GoConvey is a powerful test management tool that helps you write, run and manage tests better. It supports multiple test types such as unit tests, integration tests, etc. In the process of writing code and testing, we can use GoConvey to assist us in the TDD (test-driven development) development method. Here is an example of GoConvey:
package main import ( "testing" "github.com/smartystreets/goconvey/convey" ) func Test_Add(t *testing.T) { convey.Convey("Given two numbers", t, func() { a := 1 b := 2 convey.Convey("When the numbers are added", func() { result := a + b convey.Convey("Then the result should be 3", func() { convey.So(result, convey.ShouldEqual, 3) }) }) }) }
Issue Tracker: https://github.com/golang/mock/issues
GoMock It is a tool for generating Mock objects, which can help us perform better unit testing. A Mock object is a substitute that simulates the behavior of a real object. Using GoMock can help us do better unit testing because it can simulate the method of calling the real object, and can also check the number of times and parameters of the method call, etc. The following is an example of GoMock:
package main import ( "testing" "github.com/stretchr/testify/assert" "github.com/golang/mock/gomock" "github.com/youusername/mock_example/mocks" ) func Test_Search(t *testing.T) { ctrl := gomock.NewController(t) defer ctrl.Finish() mockSearcher := mocks.NewMockSearcher(ctrl) mockSearcher.EXPECT().Search("hello").Return([]string{"world"}, nil) result, err := Search(mockSearcher, "hello") assert.NoError(t, err) assert.Equal(t, []string{"world"}, result) }
The above five practical plug-ins can greatly improve the efficiency of the Golang development process, and are also an important means to improve the quality of development. Developers can choose and configure according to their needs to better complete their work.
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