Goconvey 测试框架

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go get github.com/smartystreets/goconvey

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package main

import "errors"

func Add(a, b int) int {
	return a + b
}

func Subtract(a, b int) int {
	return a - b
}

func Multiply(a, b int) int {
	return a * b
}

func Division(a, b int) (int, error) {
	if b == 0 {
		return 0, errors.New("被除数不能为 0 ")
	}
	return a / b, nil
}

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package main

import (
	"testing"

	. "github.com/smartystreets/goconvey/convey"
)

func TestAdd(t *testing.T) {
	Convey("将两数相加", t, func() {
		So(Add(1, 2), ShouldEqual, 3)
	})
}

func TestSubtract(t *testing.T) {
	Convey("将两数相减", t, func() {
		So(Subtract(1, 2), ShouldEqual, -1)
	})
}

func TestMultiply(t *testing.T) {
	Convey("将两数相乘", t, func() {
		So(Multiply(3, 2), ShouldEqual, 6)
	})
}

func TestDivision(t *testing.T) {
	Convey("将两数相除", t, func() {
		Convey("除以非0数", func() {
			num, err := Division(10, 2)
			So(err, ShouldBeNil)
			So(num, ShouldEqual, 5)
		})

		Convey("除以0", func() {
			_, err := Division(10, 0)
			So(err, ShouldNotBeNil)
		})
	})
}

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// go 原生命令
go test 
go test -v
// goconvey 测试框架
goconvey