75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metadata
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import (
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"bytes"
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"reflect"
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"time"
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"github.com/containerd/typeurl"
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"github.com/google/go-cmp/cmp"
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)
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// isNil returns true if the given parameter is nil or typed nil.
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func isNil(x interface{}) bool {
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if x == nil {
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return true
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}
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v := reflect.ValueOf(x)
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return v.Kind() == reflect.Ptr && v.IsNil()
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}
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var compareNil = cmp.FilterValues(
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func(x, y interface{}) bool {
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return isNil(x) && isNil(y)
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},
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cmp.Comparer(func(_, _ interface{}) bool {
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return true
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}),
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)
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var ignoreTime = cmp.FilterValues(
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func(x, y interface{}) bool {
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_, xok := x.(time.Time)
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_, yok := y.(time.Time)
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return xok && yok
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},
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cmp.Comparer(func(_, _ interface{}) bool {
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return true
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}),
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)
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var compareAny = cmp.FilterValues(
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func(x, y interface{}) bool {
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_, xok := x.(typeurl.Any)
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_, yok := y.(typeurl.Any)
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return xok && yok
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},
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cmp.Comparer(func(x, y interface{}) bool {
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vx, ok := x.(typeurl.Any)
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if !ok {
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return false
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}
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vy, ok := y.(typeurl.Any)
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if !ok {
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return false
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}
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return vx.GetTypeUrl() == vy.GetTypeUrl() && bytes.Equal(vx.GetValue(), vy.GetValue())
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}),
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)
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