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HomeBackend DevelopmentGolangAutomation tool for Golang function testing
Automation tool for Golang function testingApr 17, 2024 am 10:03 AM
gitgolangtest automation

testify/assert is a popular function test automation tool in the Go language. By installing and importing this tool, you can use a series of assertion functions to check whether the expected value is equal to the actual value, such as Equal(t, expected, actual ) and True(t, actual). Practical examples of this tool include using assert.Equal(t, 4, double(2)) to test whether the double function works as expected. The advantage of testify/assert is that it provides a fast and efficient way to verify the correctness of a function, which is crucial in large Go projects.

Golang 函数测试的自动化工具

Go language function test automation tool

Introduction

For large Go projects, function test automation is crucial. It is a quick and efficient way to check whether a function is working as expected. There are many tools that can help with this, and this article will look at one of the most popular: testify/assert.

Installation

go get -u github.com/stretchr/testify/assert

Use

testify/assert provides a series of assertion functions that can be used to check expected values ​​and actual values. Here are some of the most commonly used assertion functions:

  • Equal(t, expected, actual): Checks whether two values ​​are equal.
  • EqualError(t, expectedError, actualError): Check whether error messages are equal.
  • True(t, actual): Check whether the Boolean value is true.
  • False(t, actual): Check whether the Boolean value is false.

Practical case

Here’s how to use testify/assert to test a simple function:

import (
    "testing"

    "github.com/stretchr/testify/assert"
)

func double(n int) int {
    return n * 2
}

func TestDouble(t *testing.T) {
    assert.Equal(t, 4, double(2))
    assert.Equal(t, 6, double(3))
}

To run the test, run the following command:

go test -v

The output is as follows:

=== RUN   TestDouble
--- PASS: TestDouble (0.01s)
PASS
ok  github.com/example/myproject  0.022s

Conclusion

testify/assert is a powerful tool for automated Go function testing. It provides a series of assertion functions that can easily check expected values ​​against actual values. By using testify/assert, you can quickly and efficiently ensure that your functions work as expected.

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