为什么要使用goconvey测试程序
goconvey 集成go test，go test 无缝接入。管理运行测试用例，而且提供了丰富的函数断言、非常友好的WEB界面，直观的查看测试结果。
如果没有goconvey的话，编写一个测试结果，首先运行被测试函数，然后判断被测试函数的运行结果，各种if判断，各种输出提示信息，而且回归测试也比较麻烦。但是如果使用了goconvey这些都就变得无比的简单。 还是看些使用代码比较简单明了。怎么使用goconvey测试程序
第一步当然是安装goconvey
go get github.com/smartystreets/goconvey
看下被测试的代码
package mainimport "fmt"type Student struct { Num int Name string Chinaese int English int Math int}func NewStudent(num int, name string) (*Student,error) { if num < 1 || len(name) < 1 { return nil,fmt.Errorf("num name empty") } stu := new(Student) stu.Num = num stu.Name = name return stu,nil}func (this *Student) GetAve() (int,error) { score := this.Chinaese + this.English + this.Math if score == 0 { return 0,fmt.Errorf("score is 0") } return score/3,nil} 主要看下goconvey的测试代码
package mainimport ( "testing" . "github.com/smartystreets/goconvey/convey")func TestNew(t *testing.T) { Convey("start test new", t, func() { stu,err := NewStudent(0,"") Convey("have error", func() { So(err, ShouldBeError) }) Convey("stu is nil", func() { So(stu, ShouldBeNil) }) })}func TestScore(t *testing.T) { stu,_ := NewStudent(1,"test") Convey("if error", t, func() { _,err := stu.GetAve() Convey("have error", func() { So(err, ShouldBeError) }) }) Convey("normal", t, func() { stu.Math = 60 stu.Chinaese = 70 stu.English = 80 score,err := stu.GetAve() Convey("have error", func() { So(err, ShouldBeError) }) Convey("score > 60", func() { So(score, ShouldBeGreaterThan, 60) }) })} 进入到test代码目录，执行 go test
=== RUN TestNew start test new have error ✔ stu is nil ✔2 total assertions--- PASS: TestNew (0.00s)=== RUN TestScore if error have error ✔3 total assertions normal have error ✘ score > 60 ✔Failures: * /data/www/go/src/test/student_test.go Line 35:
其实命令行显示的是有颜色标识的。期望出现的结果都会打上对勾，如果期望出现而没有出现的都会打上叉。
还有更好玩的WEB界面。进入的test代码的目录，然后执行 goconvey 会打开一个WEB界面，更加友好的标识出了测试的结果，测试了多少次，有几个通过，几个失败，一目了然。
其实使用特别简单 引入类库,启动Convey函数，剩下的就是调用So各种断言各种比较 import ( "testing" . "github.com/smartystreets/goconvey/convey")Convey("desc", t, func() {So(var, function）}) 基本平常开发中的比较函数基本都有，看下比较的函数列表，看着貌似都涵盖了。
Convey("Equality assertions should be accessible", t, func() { thing1a := thing{a: "asdf"} thing1b := thing{a: "asdf"} thing2 := thing{a: "qwer"} So(1, ShouldEqual, 1) So(1, ShouldNotEqual, 2) So(1, ShouldAlmostEqual, 1.000000000000001) So(1, ShouldNotAlmostEqual, 2, 0.5) So(thing1a, ShouldResemble, thing1b) So(thing1a, ShouldNotResemble, thing2) So(&thing1a, ShouldPointTo, &thing1a) So(&thing1a, ShouldNotPointTo, &thing1b) So(nil, ShouldBeNil) So(1, ShouldNotBeNil) So(true, ShouldBeTrue) So(false, ShouldBeFalse) So(0, ShouldBeZeroValue) So(1, ShouldNotBeZeroValue) }) Convey("Numeric comparison assertions should be accessible", t, func() { So(1, ShouldBeGreaterThan, 0) So(1, ShouldBeGreaterThanOrEqualTo, 1) So(1, ShouldBeLessThan, 2) So(1, ShouldBeLessThanOrEqualTo, 1) So(1, ShouldBeBetween, 0, 2) So(1, ShouldNotBeBetween, 2, 4) So(1, ShouldBeBetweenOrEqual, 1, 2) So(1, ShouldNotBeBetweenOrEqual, 2, 4) }) Convey("Container assertions should be accessible", t, func() { So([]int{1, 2, 3}, ShouldContain, 2) So([]int{1, 2, 3}, ShouldNotContain, 4) So(map[int]int{1: 1, 2: 2, 3: 3}, ShouldContainKey, 2) So(map[int]int{1: 1, 2: 2, 3: 3}, ShouldNotContainKey, 4) So(1, ShouldBeIn, []int{1, 2, 3}) So(4, ShouldNotBeIn, []int{1, 2, 3}) So([]int{}, ShouldBeEmpty) So([]int{1}, ShouldNotBeEmpty) So([]int{1, 2}, ShouldHaveLength, 2) }) Convey("String assertions should be accessible", t, func() { So("asdf", ShouldStartWith, "a") So("asdf", ShouldNotStartWith, "z") So("asdf", ShouldEndWith, "df") So("asdf", ShouldNotEndWith, "as") So("", ShouldBeBlank) So("asdf", ShouldNotBeBlank) So("asdf", ShouldContainSubstring, "sd") So("asdf", ShouldNotContainSubstring, "af") }) Convey("Panic recovery assertions should be accessible", t, func() { So(panics, ShouldPanic) So(func() {}, ShouldNotPanic) So(panics, ShouldPanicWith, "Goofy Gophers!") So(panics, ShouldNotPanicWith, "Guileless Gophers!") }) Convey("Type-checking assertions should be accessible", t, func() { // NOTE: Values or pointers may be checked. If a value is passed, // it will be cast as a pointer to the value to avoid cases where // the struct being tested takes pointer receivers. Go allows values // or pointers to be passed as receivers on methods with a value // receiver, but only pointers on methods with pointer receivers. // See: // http://golang.org/doc/effective_go.html#pointers_vs_values // http://golang.org/doc/effective_go.html#blank_implements // http://blog.golang.org/laws-of-reflection So(1, ShouldHaveSameTypeAs, 0) So(1, ShouldNotHaveSameTypeAs, "1") So(bytes.NewBufferString(""), ShouldImplement, (*io.Reader)(nil)) So("string", ShouldNotImplement, (*io.Reader)(nil)) }) Convey("Time assertions should be accessible", t, func() { january1, _ := time.Parse(timeLayout, "2013-01-01 00:00") january2, _ := time.Parse(timeLayout, "2013-01-02 00:00") january3, _ := time.Parse(timeLayout, "2013-01-03 00:00") january4, _ := time.Parse(timeLayout, "2013-01-04 00:00") january5, _ := time.Parse(timeLayout, "2013-01-05 00:00") oneDay, _ := time.ParseDuration("24h0m0s") So(january1, ShouldHappenBefore, january4) So(january1, ShouldHappenOnOrBefore, january1) So(january2, ShouldHappenAfter, january1) So(january2, ShouldHappenOnOrAfter, january2) So(january3, ShouldHappenBetween, january2, january5) So(january3, ShouldHappenOnOrBetween, january3, january5) So(january1, ShouldNotHappenOnOrBetween, january2, january5) So(january2, ShouldHappenWithin, oneDay, january3) So(january5, ShouldNotHappenWithin, oneDay, january1) So([]time.Time{january1, january2}, ShouldBeChronological) }) 特别实用的一个测试类库，养成写完代码使用goconvey做测试的好习惯，也顺便覆盖下使用方法和案例，定能让开发事半功倍，减少Bug率。