common_errors.go

Documentation: github.com/chaos-mesh/chaos-mesh/pkg/cerr

     1  // Copyright 2022 Chaos Mesh Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  // http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  
    16  package cerr
    17  
    18  import (
    19  	"reflect"
    20  
    21  	"github.com/pkg/errors"
    22  )
    23  
    24  type errHelper struct {
    25  	inner error
    26  }
    27  
    28  func FromErr(err error) *errHelper {
    29  	return &errHelper{inner: err}
    30  }
    31  
    32  func (h *errHelper) Err() error {
    33  	return h.inner
    34  }
    35  
    36  func NotType[expected any]() *errHelper {
    37  	var exp expected
    38  	return &errHelper{inner: errors.Errorf("expected type: %T", exp)}
    39  }
    40  
    41  func NotImpl[expected any]() *errHelper {
    42  	var exp *expected
    43  	return &errHelper{inner: errors.Errorf("not implement %v", reflect.TypeOf(exp).Elem())}
    44  }
    45  
    46  func NotFoundType[in any]() *errHelper {
    47  	var i in
    48  	return &errHelper{inner: errors.Errorf("not found type: %T", i)}
    49  }
    50  
    51  func NotInit[in any]() *errHelper {
    52  	var i in
    53  	return &errHelper{inner: errors.Errorf("not init %T", i)}
    54  }
    55  
    56  func NotFound(name string) *errHelper {
    57  	return &errHelper{errors.Errorf("%s not found", name)}
    58  }
    59  
    60  func (h *errHelper) WrapInput(in any) *errHelper {
    61  	return &errHelper{inner: errors.Wrapf(h.inner, "input type: %T, input value: %v", in, in)}
    62  }
    63  
    64  func (h *errHelper) WrapValue(in any) *errHelper {
    65  	return &errHelper{inner: errors.Wrapf(h.inner, "input value: %v", in)}
    66  }
    67  
    68  func (h *errHelper) WrapName(name string) *errHelper {
    69  	return &errHelper{inner: errors.Wrapf(h.inner, "%s", name)}
    70  }
    71  
    72  func (h *errHelper) WrapErr(err error) *errHelper {
    73  	return &errHelper{inner: errors.Wrapf(h.inner, "err : %s", err)}
    74  }
    75  
    76  func (h errHelper) Wrapf(format string, args ...interface{}) *errHelper {
    77  	return &errHelper{inner: errors.Wrapf(h.inner, format, args...)}
    78  }
    79  
    80  func (h *errHelper) WithStack() *errHelper {
    81  	return &errHelper{inner: errors.WithStack(h.inner)}
    82  }
    83  
    84  var (
    85  	ErrDuplicateEntity = errors.New("duplicate entity")
    86  )
    87