mirror of https://github.com/knative/pkg.git
93 lines
2.6 KiB
Go
93 lines
2.6 KiB
Go
/*
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Copyright 2017 The Knative 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 testing
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import (
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"fmt"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"github.com/knative/pkg/apis"
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"github.com/knative/pkg/apis/duck"
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duckv1alpha1 "github.com/knative/pkg/apis/duck/v1alpha1"
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)
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// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
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// Resource is a simple resource that's compatible with our webhook
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type Resource struct {
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metav1.TypeMeta `json:",inline"`
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metav1.ObjectMeta `json:"metadata,omitempty"`
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Spec ResourceSpec `json:"spec,omitempty"`
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}
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// Check that Resource may be validated and defaulted.
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var _ apis.Validatable = (*Resource)(nil)
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var _ apis.Defaultable = (*Resource)(nil)
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var _ apis.Immutable = (*Resource)(nil)
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// Check that we implement the Generation duck type.
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var emptyGen duckv1alpha1.Generation
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var _ = duck.VerifyType(&Resource{}, &emptyGen)
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type ResourceSpec struct {
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Generation int64 `json:"generation,omitempty"`
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FieldWithDefault string `json:"fieldWithDefault,omitempty"`
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FieldWithValidation string `json:"fieldWithValidation,omitempty"`
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FieldThatsImmutable string `json:"fieldThatsImmutable,omitempty"`
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}
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func (c *Resource) SetDefaults() {
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c.Spec.SetDefaults()
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}
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func (cs *ResourceSpec) SetDefaults() {
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if cs.FieldWithDefault == "" {
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cs.FieldWithDefault = "I'm a default."
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}
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}
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func (c *Resource) Validate() *apis.FieldError {
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return c.Spec.Validate().ViaField("spec")
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}
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func (cs *ResourceSpec) Validate() *apis.FieldError {
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if cs.FieldWithValidation != "magic value" {
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return apis.ErrInvalidValue(cs.FieldWithValidation, "fieldWithValidation")
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}
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return nil
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}
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func (current *Resource) CheckImmutableFields(og apis.Immutable) *apis.FieldError {
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original, ok := og.(*Resource)
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if !ok {
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return &apis.FieldError{Message: "The provided original was not a Resource"}
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}
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if original.Spec.FieldThatsImmutable != current.Spec.FieldThatsImmutable {
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return &apis.FieldError{
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Message: "Immutable field changed",
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Paths: []string{"spec.fieldThatsImmutable"},
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Details: fmt.Sprintf("got: %v, want: %v", current.Spec.FieldThatsImmutable,
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original.Spec.FieldThatsImmutable),
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}
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}
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return nil
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}
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