github.com/aquayi/gokit@v0.0.0-20170805152833-88827a405d9b/err_test.go (about) 1 package GoKit 2 3 import ( 4 "errors" 5 "testing" 6 7 "github.com/stretchr/testify/assert" 8 ) 9 10 func Test_Err(t *testing.T) { 11 err := errors.New("bar") 12 13 // 检查 Err 14 e := Err(err, "foo") 15 assert.Equal(t, e.Info, "foo", "Error.Info 不相等") 16 assert.Equal(t, e.Prev, err, "Error.Prev 不相等") 17 18 // 检查 输出 19 e = Err(e, "more") 20 expected := "more ==> foo ==> bar" 21 actual := e.Error() 22 23 assert.Equal(t, expected, actual, "格式输出出错") 24 25 // 检查 第一个 error 是 *Error 的情况 26 e = Err(nil, "bar") 27 e = Err(e, "foo") 28 e = Err(e, "more") 29 30 expected = "more ==> foo ==> bar" 31 actual = e.Error() 32 33 assert.Equal(t, expected, actual, "格式输出出错") 34 35 }