mirror of https://github.com/knative/pkg.git
74 lines
2.2 KiB
Go
74 lines
2.2 KiB
Go
/*
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Copyright 2018 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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https://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 kmp
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import (
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"fmt"
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"testing"
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"github.com/google/go-cmp/cmp"
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"k8s.io/apimachinery/pkg/api/resource"
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)
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func TestCompareKcmpDefault(t *testing.T) {
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a := resource.MustParse("50m")
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b := resource.MustParse("100m")
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want := "{resource.Quantity}:\n\t-: resource.Quantity{i: resource.int64Amount{value: 50, scale: resource.Scale(-3)}, s: \"50m\", Format: resource.Format(\"DecimalSI\")}\n\t+: resource.Quantity{i: resource.int64Amount{value: 100, scale: resource.Scale(-3)}, s: \"100m\", Format: resource.Format(\"DecimalSI\")}\n"
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if got, err := SafeDiff(a, b); err != nil {
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t.Errorf("unexpected SafeDiff err: %v", err)
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} else if diff := cmp.Diff(want, got); diff != "" {
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t.Errorf("SafeDiff (-want, +got): %v", diff)
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}
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if got, err := SafeEqual(a, b); err != nil {
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t.Fatalf("unexpected SafeEqual err: %v", err)
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} else if diff := cmp.Diff(false, got); diff != "" {
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t.Errorf("SafeEqual(-want, +got): %v", diff)
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}
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}
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func TestRecovery(t *testing.T) {
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type foo struct {
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bar string
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}
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a := foo{"a"}
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b := foo{"b"}
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want := recoveryErrorMessageFor("SafeDiff")
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if _, err := SafeDiff(a, b); err == nil {
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t.Errorf("expected err, got nil")
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} else if diff := cmp.Diff(want, err.Error()); diff != "" {
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t.Errorf("SafeDiff (-want, +got): %v", diff)
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}
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want = recoveryErrorMessageFor("SafeEqual")
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if _, err := SafeEqual(a, b); err == nil {
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t.Errorf("expected err, got nil")
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} else if diff := cmp.Diff(want, err.Error()); diff != "" {
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t.Errorf("SafeEqual (-want, +got): %v", diff)
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}
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}
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func recoveryErrorMessageFor(funcName string) string {
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return fmt.Sprintf(
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`recovered in kmp.%v: cannot handle unexported field: {kmp.foo}.bar
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consider using AllowUnexported or cmpopts.IgnoreUnexported`, funcName)
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}
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