mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-18 05:05:14 +00:00
706 lines
18 KiB
Go
706 lines
18 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package resmap_test
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import (
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"fmt"
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"reflect"
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"testing"
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"sigs.k8s.io/kustomize/k8sdeps/kunstruct"
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"sigs.k8s.io/kustomize/pkg/gvk"
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"sigs.k8s.io/kustomize/pkg/resid"
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. "sigs.k8s.io/kustomize/pkg/resmap"
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"sigs.k8s.io/kustomize/pkg/resource"
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"sigs.k8s.io/kustomize/pkg/types"
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)
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var deploy = gvk.Gvk{Group: "apps", Version: "v1", Kind: "Deployment"}
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var rf = resource.NewFactory(
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kunstruct.NewKunstructuredFactoryImpl())
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var rmF = NewFactory(rf)
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func doAppend(t *testing.T, w ResMap, r *resource.Resource) {
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err := w.Append(r)
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if err != nil {
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t.Fatalf("append error: %v", err)
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}
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}
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func doRemove(t *testing.T, w ResMap, id resid.ResId) {
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err := w.Remove(id)
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if err != nil {
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t.Fatalf("remove error: %v", err)
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}
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}
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// Make a resource with a predictable name.
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func makeCm(i int) *resource.Resource {
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return rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": fmt.Sprintf("cm%03d", i),
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},
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})
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}
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func TestAppendRemove(t *testing.T) {
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w1 := New()
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doAppend(t, w1, makeCm(1))
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doAppend(t, w1, makeCm(2))
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doAppend(t, w1, makeCm(3))
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doAppend(t, w1, makeCm(4))
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doAppend(t, w1, makeCm(5))
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doAppend(t, w1, makeCm(6))
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doAppend(t, w1, makeCm(7))
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doRemove(t, w1, makeCm(1).Id())
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doRemove(t, w1, makeCm(3).Id())
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doRemove(t, w1, makeCm(5).Id())
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doRemove(t, w1, makeCm(7).Id())
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w2 := New()
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doAppend(t, w2, makeCm(2))
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doAppend(t, w2, makeCm(4))
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doAppend(t, w2, makeCm(6))
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if !reflect.DeepEqual(w1, w1) {
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w1.Debug("w1")
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w2.Debug("w2")
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t.Fatalf("mismatch")
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}
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err := w2.Append(makeCm(6))
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if err == nil {
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t.Fatalf("expected error")
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}
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}
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func TestRemove(t *testing.T) {
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w := New()
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r := makeCm(1)
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err := w.Remove(r.Id())
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if err == nil {
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t.Fatalf("expected error")
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}
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err = w.Append(r)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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err = w.Remove(r.Id())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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err = w.Remove(r.Id())
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if err == nil {
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t.Fatalf("expected error")
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}
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}
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func TestReplaceResource(t *testing.T) {
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cm5 := makeCm(5)
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cm700 := makeCm(700)
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cm888 := makeCm(888)
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w := New()
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doAppend(t, w, makeCm(1))
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doAppend(t, w, makeCm(2))
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doAppend(t, w, makeCm(3))
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doAppend(t, w, makeCm(4))
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doAppend(t, w, cm5)
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doAppend(t, w, makeCm(6))
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doAppend(t, w, makeCm(7))
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oldSize := w.Size()
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err := w.ReplaceResource(cm5.Id(), cm700)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if w.Size() != oldSize {
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t.Fatalf("unexpected size %d", w.Size())
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}
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if w.GetById(cm5.Id()) != cm700 {
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t.Fatalf("unexpected result")
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}
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if err := w.Append(cm5); err == nil {
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t.Fatalf("expected id already there error")
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}
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if err := w.AppendWithId(cm888.Id(), cm5); err != nil {
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// Okay to add with some unused Id.
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t.Fatalf("unexpected error: %v", err)
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}
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if err := w.Append(cm700); err == nil {
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t.Fatalf("expected resource already there error")
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}
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if err := w.Remove(cm5.Id()); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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if err := w.Append(cm700); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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if err := w.Append(cm5); err == nil {
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t.Fatalf("expected err; object is still there under id 888")
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}
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if err := w.Remove(cm888.Id()); err != nil {
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t.Fatalf("unexpected err: %v", err)
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}
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if err := w.Append(cm5); err != nil {
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t.Fatalf("unexpected err; %v", err)
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}
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}
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func TestEncodeAsYaml(t *testing.T) {
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encoded := []byte(`apiVersion: v1
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kind: ConfigMap
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metadata:
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name: cm1
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: cm2
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`)
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input := New()
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input.Append(rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm1",
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},
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}))
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input.Append(rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm2",
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},
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}))
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out, err := input.AsYaml()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if !reflect.DeepEqual(out, encoded) {
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t.Fatalf("%s doesn't match expected %s", out, encoded)
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}
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}
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func TestDemandOneGvknMatchForId(t *testing.T) {
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rm1 := FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixNamespace(cmap, "cm1", "prefix1", "ns1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm1",
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},
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}),
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resid.NewResIdWithPrefixNamespace(cmap, "cm2", "prefix1", "ns1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm2",
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},
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}),
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})
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result := rm1.GetMatchingIds(
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resid.NewResIdWithPrefixNamespace(cmap, "cm2", "prefix1", "ns1").GvknEquals)
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if len(result) != 1 {
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t.Fatalf("Expected single map entry but got %v", result)
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}
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// confirm that ns and prefix are not included in match
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result = rm1.GetMatchingIds(
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resid.NewResIdWithPrefixNamespace(cmap, "cm2", "prefix", "ns").GvknEquals)
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if len(result) != 1 {
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t.Fatalf("Expected single map entry but got %v", result)
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}
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// confirm that name is matched correctly
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result = rm1.GetMatchingIds(
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resid.NewResIdWithPrefixNamespace(cmap, "cm3", "prefix1", "ns1").GvknEquals)
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if len(result) > 0 {
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t.Fatalf("Expected no map entries but got %v", result)
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}
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cmap2 := gvk.Gvk{Version: "v2", Kind: "ConfigMap"}
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// confirm that gvk is matched correctly
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result = rm1.GetMatchingIds(
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resid.NewResIdWithPrefixNamespace(cmap2, "cm2", "prefix1", "ns1").GvknEquals)
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if len(result) > 0 {
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t.Fatalf("Expected no map entries but got %v", result)
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}
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}
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func TestFilterBy(t *testing.T) {
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tests := map[string]struct {
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resMap ResMap
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filter resid.ResId
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expected ResMap
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}{
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"different namespace": {
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resMap: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix", "suffix", "namespace1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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}),
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filter: resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix", "suffix", "namespace2"),
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expected: New(),
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},
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"different prefix": {
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resMap: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix1", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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}),
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filter: resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix2", "suffix", "namespace"),
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expected: New(),
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},
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"different suffix": {
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resMap: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix", "suffix1", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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}),
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filter: resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map", "prefix", "suffix2", "namespace"),
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expected: New(),
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},
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"same namespace, same prefix": {
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resMap: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixNamespace(cmap, "config-map1", "prefix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map1",
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},
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}),
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}),
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filter: resid.NewResIdWithPrefixNamespace(cmap, "config-map2", "prefix", "namespace"),
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expected: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixNamespace(cmap, "config-map1", "prefix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map1",
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},
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}),
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}),
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},
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"same namespace, same suffix": {
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resMap: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithSuffixNamespace(cmap, "config-map1", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map1",
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},
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}),
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}),
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filter: resid.NewResIdWithSuffixNamespace(cmap, "config-map2", "suffix", "namespace"),
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expected: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithSuffixNamespace(cmap, "config-map1", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map1",
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},
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}),
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}),
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},
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"same namespace, same prefix, same suffix": {
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resMap: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map1", "prefix", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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}),
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filter: resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map2", "prefix", "suffix", "namespace"),
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expected: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixSuffixNamespace(cmap, "config-map1", "prefix", "suffix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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}),
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},
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"filter by cluster-level Gvk": {
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resMap: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixNamespace(cmap, "config-map", "prefix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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}),
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filter: resid.NewResId(gvk.Gvk{Kind: "ClusterRoleBinding"}, "cluster-role-binding"),
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expected: FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResIdWithPrefixNamespace(cmap, "config-map", "prefix", "namespace"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "config-map",
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},
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}),
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}),
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},
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}
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for name, test := range tests {
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test := test
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t.Run(name, func(t *testing.T) {
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got := test.resMap.SubsetThatCouldBeReferencedBy(test.filter)
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err := test.expected.ErrorIfNotEqualSets(got)
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if err != nil {
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t.Fatalf("Expected %v but got back %v", test.expected, got)
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}
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})
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}
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}
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func TestDeepCopy(t *testing.T) {
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rm1 := FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResId(cmap, "cm1"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm1",
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},
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}),
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resid.NewResId(cmap, "cm2"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "cm2",
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},
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}),
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})
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rm2 := rm1.DeepCopy()
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if &rm1 == &rm2 {
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t.Fatal("DeepCopy returned a reference to itself instead of a copy")
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}
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err := rm1.ErrorIfNotEqualSets(rm1)
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestGetMatchingIds(t *testing.T) {
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m := FromMap(map[resid.ResId]*resource.Resource{
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resid.NewResId(
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gvk.Gvk{Kind: "vegetable"},
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"bedlam"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "whatever1",
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},
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}),
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resid.NewResId(
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gvk.Gvk{Group: "g1", Version: "v1", Kind: "vegetable"},
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"domino"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "whatever2",
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},
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}),
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resid.NewResIdWithPrefixNamespace(
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gvk.Gvk{Kind: "vegetable"},
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"peter", "p", "happy"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "whatever3",
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},
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}),
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resid.NewResIdWithPrefixNamespace(
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gvk.Gvk{Version: "v1", Kind: "fruit"},
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"shatterstar", "p", "happy"): rf.FromMap(
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map[string]interface{}{
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"apiVersion": "v1",
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"kind": "ConfigMap",
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"metadata": map[string]interface{}{
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"name": "whatever4",
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},
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}),
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})
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tests := []struct {
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name string
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matcher IdMatcher
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count int
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}{
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{
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"match everything",
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func(resid.ResId) bool { return true },
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4,
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},
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{
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"match nothing",
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func(resid.ResId) bool { return false },
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0,
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},
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{
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"name is peter",
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func(x resid.ResId) bool { return x.Name() == "peter" },
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1,
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},
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{
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"happy vegetable",
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func(x resid.ResId) bool {
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return x.Namespace() == "happy" &&
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x.Gvk().Kind == "vegetable"
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},
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1,
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},
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}
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for _, tst := range tests {
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result := m.GetMatchingIds(tst.matcher)
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if len(result) != tst.count {
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t.Fatalf("test '%s'; actual: %d, expected: %d",
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tst.name, len(result), tst.count)
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}
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}
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}
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|
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func TestErrorIfNotEqual(t *testing.T) {
|
|
rm1 := FromMap(map[resid.ResId]*resource.Resource{
|
|
resid.NewResId(cmap, "cm1"): rf.FromMap(
|
|
map[string]interface{}{
|
|
"apiVersion": "v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"name": "cm1",
|
|
},
|
|
}),
|
|
resid.NewResId(cmap, "cm2"): rf.FromMap(
|
|
map[string]interface{}{
|
|
"apiVersion": "v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"name": "cm2",
|
|
},
|
|
}),
|
|
})
|
|
|
|
err := rm1.ErrorIfNotEqualSets(rm1)
|
|
if err != nil {
|
|
t.Fatalf("%v should equal itself %v", rm1, err)
|
|
}
|
|
|
|
rm2 := FromMap(map[resid.ResId]*resource.Resource{
|
|
resid.NewResId(cmap, "cm1"): rf.FromMap(
|
|
map[string]interface{}{
|
|
"apiVersion": "v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"name": "cm1",
|
|
},
|
|
}),
|
|
})
|
|
|
|
// test the different number of keys path
|
|
err = rm1.ErrorIfNotEqualSets(rm2)
|
|
if err == nil {
|
|
t.Fatalf("%v should not equal %v %v", rm1, rm2, err)
|
|
}
|
|
|
|
rm3 := FromMap(map[resid.ResId]*resource.Resource{
|
|
resid.NewResId(cmap, "cm2"): rf.FromMap(
|
|
map[string]interface{}{
|
|
"apiVersion": "v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"name": "cm1",
|
|
},
|
|
}),
|
|
})
|
|
|
|
// test the different key values path
|
|
err = rm2.ErrorIfNotEqualSets(rm3)
|
|
if err == nil {
|
|
t.Fatalf("%v should not equal %v %v", rm1, rm2, err)
|
|
}
|
|
|
|
rm4 := FromMap(map[resid.ResId]*resource.Resource{
|
|
resid.NewResId(cmap, "cm1"): rf.FromMap(
|
|
map[string]interface{}{
|
|
"apiVersion": "v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"name": "cm3",
|
|
},
|
|
}),
|
|
})
|
|
|
|
// test the deepcopy path
|
|
err = rm2.ErrorIfNotEqualSets(rm4)
|
|
if err == nil {
|
|
t.Fatalf("%v should not equal %v %v", rm1, rm2, err)
|
|
}
|
|
}
|
|
|
|
func TestAppendAll(t *testing.T) {
|
|
r1 := rf.FromMap(
|
|
map[string]interface{}{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "Deployment",
|
|
"metadata": map[string]interface{}{
|
|
"name": "foo-deploy1",
|
|
},
|
|
})
|
|
input1 := rmF.FromResource(r1)
|
|
r2 := rf.FromMap(
|
|
map[string]interface{}{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "StatefulSet",
|
|
"metadata": map[string]interface{}{
|
|
"name": "bar-stateful",
|
|
},
|
|
})
|
|
input2 := rmF.FromResource(r2)
|
|
|
|
expected := New()
|
|
expected.Append(r1)
|
|
expected.Append(r2)
|
|
|
|
if err := input1.AppendAll(input2); err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if err := expected.ErrorIfNotEqualSets(input1); err != nil {
|
|
input1.Debug("1")
|
|
expected.Debug("ex")
|
|
t.Fatalf("%#v doesn't equal expected %#v", input1, expected)
|
|
}
|
|
if err := input1.AppendAll(nil); err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if err := expected.ErrorIfNotEqualSets(input1); err != nil {
|
|
t.Fatalf("%#v doesn't equal expected %#v", input1, expected)
|
|
}
|
|
}
|
|
|
|
func makeMap1() ResMap {
|
|
return rmF.FromResource(rf.FromMapAndOption(
|
|
map[string]interface{}{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"name": "cmap",
|
|
},
|
|
"data": map[string]interface{}{
|
|
"a": "x",
|
|
"b": "y",
|
|
},
|
|
}, &types.GeneratorArgs{
|
|
Behavior: "create",
|
|
}, nil))
|
|
}
|
|
|
|
func makeMap2(b types.GenerationBehavior) ResMap {
|
|
return rmF.FromResource(rf.FromMapAndOption(
|
|
map[string]interface{}{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"name": "cmap",
|
|
},
|
|
"data": map[string]interface{}{
|
|
"a": "u",
|
|
"b": "v",
|
|
"c": "w",
|
|
},
|
|
}, &types.GeneratorArgs{
|
|
Behavior: b.String(),
|
|
}, nil))
|
|
}
|
|
|
|
func TestAbsorbAll(t *testing.T) {
|
|
expected := rmF.FromResource(rf.FromMapAndOption(
|
|
map[string]interface{}{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "ConfigMap",
|
|
"metadata": map[string]interface{}{
|
|
"annotations": map[string]interface{}{},
|
|
"labels": map[string]interface{}{},
|
|
"name": "cmap",
|
|
},
|
|
"data": map[string]interface{}{
|
|
"a": "u",
|
|
"b": "v",
|
|
"c": "w",
|
|
},
|
|
}, &types.GeneratorArgs{
|
|
Behavior: "create",
|
|
}, nil))
|
|
w := makeMap1()
|
|
if err := w.AbsorbAll(makeMap2(types.BehaviorMerge)); err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if err := expected.ErrorIfNotEqualSets(w); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
w = makeMap1()
|
|
if err := w.AbsorbAll(nil); err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if err := w.ErrorIfNotEqualSets(makeMap1()); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
w = makeMap1()
|
|
w2 := makeMap2(types.BehaviorReplace)
|
|
if err := w.AbsorbAll(w2); err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if err := w2.ErrorIfNotEqualSets(w); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
w = makeMap1()
|
|
w2 = makeMap2(types.BehaviorUnspecified)
|
|
err := w.AbsorbAll(w2)
|
|
if err == nil {
|
|
t.Fatalf("expected error with unspecified behavior")
|
|
}
|
|
}
|