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rename Matcher to komega since it's not really a matcher komega.With... methods now return copies allow to specify a Gomega instance to use
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package komega | ||
|
|
||
| import ( | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| // defaultK is the Komega used by the package global functions. | ||
| var defaultK = &komega{} | ||
|
|
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| // SetDefaultClient sets the client used by the package global functions. | ||
| func SetDefaultClient(c client.Client) { | ||
| defaultK = &komega{client: c} | ||
| } | ||
|
|
||
| func checkDefaultClient() { | ||
| if defaultK.client == nil { | ||
| panic("Default Komega's client is not set. Use WithDefaultClient to set it.") | ||
| } | ||
| } | ||
|
|
||
| // Get fetches an object until the forwarded error matches. | ||
| func Get(obj client.Object) func() error { | ||
| checkDefaultClient() | ||
| return defaultK.Get(obj) | ||
| } | ||
|
|
||
| // List fetches a list until the forwarded error matches. | ||
| func List(obj client.ObjectList, opts ...client.ListOption) func() error { | ||
| checkDefaultClient() | ||
| return defaultK.List(obj, opts...) | ||
| } | ||
|
|
||
| // Update tries to update an object by applying the updateFunc until the forwarded error matches. | ||
| func Update(obj client.Object, f UpdateFunc, opts ...client.UpdateOption) func() error { | ||
| checkDefaultClient() | ||
| return defaultK.Update(obj, f, opts...) | ||
| } | ||
|
|
||
| // UpdateStatus tries to update an object's status by applying the updateFunc until the forwarded error matches. | ||
| func UpdateStatus(obj client.Object, f UpdateFunc, opts ...client.UpdateOption) func() error { | ||
| checkDefaultClient() | ||
| return defaultK.UpdateStatus(obj, f, opts...) | ||
| } | ||
|
|
||
| // Object | ||
| func Object(obj client.Object) func() (client.Object, error) { | ||
| checkDefaultClient() | ||
| return defaultK.Object(obj) | ||
| } | ||
|
|
||
| // ObjectList | ||
| func ObjectList(obj client.ObjectList, opts ...client.ListOption) func() (client.ObjectList, error) { | ||
| checkDefaultClient() | ||
| return defaultK.ObjectList(obj, opts...) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| /* | ||
| Copyright 2021 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package komega | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
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| "k8s.io/apimachinery/pkg/types" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
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| // komega is a collection of | ||
| type komega struct { | ||
| ctx context.Context | ||
| client client.Client | ||
| } | ||
|
|
||
| var _ Komega = &komega{} | ||
|
|
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| // New creates a new Komega instance with the given client. | ||
| func New(c client.Client) Komega { | ||
| return &komega{ | ||
| client: c, | ||
| } | ||
| } | ||
|
|
||
| // WithContext returns a copy that uses the given context. | ||
| func (k komega) WithContext(ctx context.Context) Komega { | ||
| k.ctx = ctx | ||
| return &k | ||
| } | ||
|
|
||
| // WithClient returns a copy that uses the given client. | ||
| func (k komega) WithClient(c client.Client) Komega { | ||
| k.client = c | ||
| return &k | ||
| } | ||
|
|
||
| // context returns the matcher context if one has been set or context.Background() otherwise. | ||
| func (k *komega) context() context.Context { | ||
| if k.ctx == nil { | ||
| return context.Background() | ||
| } | ||
| return k.ctx | ||
| } | ||
|
|
||
| // Get returns a function that fetches a resource and returns the occuring error. | ||
| func (k *komega) Get(obj client.Object) func() error { | ||
| key := types.NamespacedName{ | ||
| Name: obj.GetName(), | ||
| Namespace: obj.GetNamespace(), | ||
| } | ||
| return func() error { | ||
| return k.client.Get(k.context(), key, obj) | ||
| } | ||
| } | ||
|
|
||
| // List returns a function that lists resources and returns the occuring error. | ||
| func (k *komega) List(obj client.ObjectList, opts ...client.ListOption) func() error { | ||
| return func() error { | ||
| return k.client.List(k.context(), obj, opts...) | ||
| } | ||
| } | ||
|
|
||
| // Update returns a function that fetches a resource, applies the provided update function and then updates the resource. | ||
| func (k *komega) Update(obj client.Object, updateFunc UpdateFunc, opts ...client.UpdateOption) func() error { | ||
| key := types.NamespacedName{ | ||
| Name: obj.GetName(), | ||
| Namespace: obj.GetNamespace(), | ||
| } | ||
| return func() error { | ||
| err := k.client.Get(k.context(), key, obj) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return k.client.Update(k.context(), updateFunc(obj), opts...) | ||
| } | ||
| } | ||
|
|
||
| // UpdateStatus returns a function that fetches a resource, applies the provided update function and then updates the resource's status. | ||
| func (k *komega) UpdateStatus(obj client.Object, updateFunc UpdateFunc, opts ...client.UpdateOption) func() error { | ||
| key := types.NamespacedName{ | ||
| Name: obj.GetName(), | ||
| Namespace: obj.GetNamespace(), | ||
| } | ||
| return func() error { | ||
| err := k.client.Get(k.context(), key, obj) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return k.client.Status().Update(k.context(), updateFunc(obj), opts...) | ||
| } | ||
| } | ||
|
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| // Object returns a function that fetches a resource and returns the object. | ||
| func (k *komega) Object(obj client.Object) func() (client.Object, error) { | ||
| key := types.NamespacedName{ | ||
| Name: obj.GetName(), | ||
| Namespace: obj.GetNamespace(), | ||
| } | ||
| return func() (client.Object, error) { | ||
| err := k.client.Get(k.context(), key, obj) | ||
| return obj, err | ||
| } | ||
| } | ||
|
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| // ObjectList returns a function that fetches a resource and returns the object. | ||
| func (k *komega) ObjectList(obj client.ObjectList, opts ...client.ListOption) func() (client.ObjectList, error) { | ||
| return func() (client.ObjectList, error) { | ||
| err := k.client.List(k.context(), obj, opts...) | ||
| return obj, err | ||
| } | ||
| } |
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