单元测试
- t.Error()测试失败,后面的可以执行,其他测试继续执行
- t.Fatal()测试失败,后面的不会执行,其它测试继续执行
package testing
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
func TestSquare(t *testing.T) {
inputs := [...]int{1, 2, 3}
expected := [...]int{1, 4, 9}
for i := 0; i < len(inputs); i++ {
ret := square(inputs[i])
if ret != expected[i] {
t.Errorf("input is %d, the expected is %d, the actual %d",
inputs[i], expected[i], ret)
}
}
}
func TestErrorInCode(t *testing.T) {
fmt.Println("Start")
t.Error("Error")
fmt.Println("End")
}
func TestFailInCode(t *testing.T) {
fmt.Println("Start")
t.Fatal("Error")
fmt.Println("End")
}
func TestSquareWithAssert(t *testing.T) {
inputs := [...]int{1, 2, 3}
expected := [...]int{1, 4, 9}
for i := 0; i < len(inputs); i++ {
ret := square(inputs[i])
assert.Equal(t, expected[i], ret)
}
}
代码覆盖率 -cover
断言
benchmark
go test -bench=. -benchmem
> 方法名以Benchmark开头,参数testing.B
benchmem 打印内存分配次数
## bdd
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