安装 github.com/stretchr/testify/assert

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使用

  • cal.go
  1. package main
  3. func Add(x int ) (result int) {
  4.     result = x +2
  5.     return result
  6. }
  • cal_test.go
  1. package main
  3. import (
  4.     "testing"
  5.     "github.com/stretchr/testify/assert"
  6. )
  8. func TestAdd(t *testing.T) {
  10.     // assert equality
  11.     assert.Equal(t, Add(5), 7, "they should be equal")
  14. }

表驱动测试

  1. package main
  3. import (
  4.     "testing"
  5.     "github.com/stretchr/testify/assert"
  6. )
  8. func TestAdd(t *testing.T) {
  10.     // assert equality
  11.     assert.Equal(t, Add(5), 7, "they should be equal")
  13. }
  15. func TestCal(t *testing.T) {
  16.     ass := assert.New(t)
  17.     var tests = []struct {
  18.         input    int
  19.         expected int
  20.     }{
  21.         {2, 4},
  22.         {-1, 1},
  23.         {0, 2},
  24.         {-5, -3},
  25.         {999999997, 999999999},
  26.     }
  27.     for _, test := range tests {
  28.         ass.Equal(Add(test.input), test.expected)
  29.     }
  31. }

mock功能