146 lines
3.9 KiB
Go
146 lines
3.9 KiB
Go
/*
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Copyright 2018 The Kubernetes 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 internal
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import (
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"reflect"
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"strings"
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
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)
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// TestFieldsRoundTrip tests that a fields trie can be round tripped as a path set
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func TestFieldsRoundTrip(t *testing.T) {
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tests := []metav1.FieldsV1{
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{
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Raw: []byte(`{"f:metadata":{".":{},"f:name":{}}}`),
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},
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EmptyFields,
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}
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for _, test := range tests {
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set, err := FieldsToSet(test)
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if err != nil {
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t.Fatalf("Failed to create path set: %v", err)
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}
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output, err := SetToFields(set)
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if err != nil {
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t.Fatalf("Failed to create fields trie from path set: %v", err)
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}
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if !reflect.DeepEqual(test, output) {
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t.Fatalf("Expected round-trip:\ninput: %v\noutput: %v", test, output)
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}
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}
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}
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// TestFieldsToSetError tests that errors are picked up by FieldsToSet
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func TestFieldsToSetError(t *testing.T) {
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tests := []struct {
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fields metav1.FieldsV1
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errString string
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}{
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{
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fields: metav1.FieldsV1{
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Raw: []byte(`{"k:{invalid json}":{"f:name":{},".":{}}}`),
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},
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errString: "ReadObjectCB",
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},
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}
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for _, test := range tests {
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_, err := FieldsToSet(test.fields)
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if err == nil || !strings.Contains(err.Error(), test.errString) {
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t.Fatalf("Expected error to contain %q but got: %v", test.errString, err)
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}
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}
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}
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// TestSetToFieldsError tests that errors are picked up by SetToFields
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func TestSetToFieldsError(t *testing.T) {
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validName := "ok"
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invalidPath := fieldpath.Path([]fieldpath.PathElement{{}, {FieldName: &validName}})
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tests := []struct {
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set fieldpath.Set
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errString string
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}{
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{
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set: *fieldpath.NewSet(invalidPath),
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errString: "invalid PathElement",
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},
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}
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for _, test := range tests {
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_, err := SetToFields(test.set)
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if err == nil || !strings.Contains(err.Error(), test.errString) {
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t.Fatalf("Expected error to contain %q but got: %v", test.errString, err)
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}
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}
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}
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func BenchmarkSetToFields(b *testing.B) {
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set := fieldpath.NewSet(
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fieldpath.MakePathOrDie("foo", 0, "bar", "baz"),
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fieldpath.MakePathOrDie("foo", 0, "bar", "zot"),
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fieldpath.MakePathOrDie("foo", 0, "bar"),
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fieldpath.MakePathOrDie("foo", 0),
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fieldpath.MakePathOrDie("foo", 1, "bar", "baz"),
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fieldpath.MakePathOrDie("foo", 1, "bar"),
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fieldpath.MakePathOrDie("qux", fieldpath.KeyByFields("name", "first")),
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fieldpath.MakePathOrDie("qux", fieldpath.KeyByFields("name", "first"), "bar"),
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fieldpath.MakePathOrDie("qux", fieldpath.KeyByFields("name", "second"), "bar"),
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)
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b.ReportAllocs()
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b.ResetTimer()
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for n := 0; n < b.N; n++ {
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_, err := SetToFields(*set)
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if err != nil {
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b.Fatal(err)
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}
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}
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}
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func BenchmarkFieldsToSet(b *testing.B) {
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set := fieldpath.NewSet(
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fieldpath.MakePathOrDie("foo", 0, "bar", "baz"),
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fieldpath.MakePathOrDie("foo", 0, "bar", "zot"),
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fieldpath.MakePathOrDie("foo", 0, "bar"),
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fieldpath.MakePathOrDie("foo", 0),
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fieldpath.MakePathOrDie("foo", 1, "bar", "baz"),
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fieldpath.MakePathOrDie("foo", 1, "bar"),
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fieldpath.MakePathOrDie("qux", fieldpath.KeyByFields("name", "first")),
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fieldpath.MakePathOrDie("qux", fieldpath.KeyByFields("name", "first"), "bar"),
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fieldpath.MakePathOrDie("qux", fieldpath.KeyByFields("name", "second"), "bar"),
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)
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fields, err := SetToFields(*set)
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if err != nil {
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b.Fatal(err)
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}
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b.ReportAllocs()
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b.ResetTimer()
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for n := 0; n < b.N; n++ {
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_, err := FieldsToSet(fields)
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if err != nil {
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b.Fatal(err)
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}
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}
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}
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