golang mock interface 写单测

1 使用github.com/vektra/mockery

https://github.com/vektra/mockery

目录结构：

. ├── mock_stringer │ └── Stringer.go ├── stringer.go └── stringer_test.go 1 directory, 3 files 

stringer.go
go:generate所在注释行不能有空格，只要执行go generate即可自动生成

package stringer //go:generate mockery -outpkg mock_stringer -output ./mock_stringer -name Stringer type Stringer interface { String(int) string } 

stringer_test.go

package stringer import ( "testing" "github.com/wncbb/mockery_pg/stringer/mock_stringer" ) func TestStringer(t *testing.T) { m := mock_stringer.Stringer{} m.On("String", 12).Return("ThisIs12") t.Logf("m.String(12): %s", m.String(12)) } 

2 使用github.com/golang/mock/gomock

https://blog.codecentric.de/en/2017/08/gomock-tutorial/

目录结构：

. └── stringer ├── mock_stringer │ └── mock_stringer.go ├── stringer.go └── stringer_test.go 2 directories, 3 files 

stringer.go
go:generate所在注释行不能有空格，只要执行go generate即可自动生成

package stringer //go:generate mockgen -destination=./mock_stringer/mock_stringer.go -package=mock_stringer github.com/wncbb/gomock_pg/stringer Stringer type Stringer interface { String(int) string } 

stringer_test.go

package stringer import ( "testing" "github.com/golang/mock/gomock" "github.com/wncbb/gomock_pg/stringer/mock_stringer" ) func TestStringer(t *testing.T) { ctrl := gomock.NewController(t) defer ctrl.Finish() m := mock_stringer.NewMockStringer(ctrl) m.EXPECT().String(12).Return("ThisIs12").Times(1) t.Logf("m.String(12): %s", m.String(12)) }