Golang 单元测试资源和教程
单元测试对于确保代码的健壮性和正确性至关重要。本文将介绍几种资源和教程,帮助您学习和实施 Golang 单元测试。
资源
官方文档:
- [Testing in Go](https://go.dev/testing/)
书籍:
- [Go Testing 2nd Edition](https://www.manning.com/books/go-testing-2nd-edition)
- [The Go Programming Language](https://go.dev/book/testing/)
:
- [Golang Unit Testing](https://www.udemy.com/course/go-lang-unit-testing/)
- [Go Testing Foundations](https://www.coursera.org/learn/go-testing-foundations)
教程
设置单元测试:
import ( "testing" ) func TestAdd(t *testing.T) { // ... }
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编写断言:
if output != expected { t.Errorf("Expected %v, got %v", expected, output) }
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覆盖率:
func TestSomething(t *testing.T) { if coverage.Cmd == nil { t.Skip("coverage not enabled") } defer coverage.Stop() // ... }
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实战案例:
一个简单的添加函数:
func Add(a, b int) int { return a + b }
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单元测试:
func TestAdd(t *testing.T) { tests := []struct { input []int expected int }{ {[]int{1, 2}, 3}, {[]int{-10, 10}, 0}, {[]int{0, 0}, 0}, } for _, test := range tests { output := Add(test.input[0], test.input[1]) if output != test.expected { t.Errorf("Expected %v, got %v", test.expected, output) } } }
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