mirror of https://github.com/k3s-io/k3s
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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 extensions
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import (
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"reflect"
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"testing"
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"k8s.io/kubernetes/pkg/labels"
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)
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func TestLabelSelectorAsSelector(t *testing.T) {
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matchLabels := map[string]string{"foo": "bar"}
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matchExpressions := []LabelSelectorRequirement{{
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Key: "baz",
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Operator: LabelSelectorOpIn,
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Values: []string{"qux", "norf"},
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}}
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mustParse := func(s string) labels.Selector {
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out, e := labels.Parse(s)
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if e != nil {
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panic(e)
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}
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return out
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}
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tc := []struct {
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in *LabelSelector
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out labels.Selector
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expectErr bool
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}{
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{in: nil, out: labels.Nothing()},
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{in: &LabelSelector{}, out: labels.Everything()},
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{
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in: &LabelSelector{MatchLabels: matchLabels},
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out: mustParse("foo in (bar)"),
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},
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{
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in: &LabelSelector{MatchExpressions: matchExpressions},
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out: mustParse("baz in (norf,qux)"),
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},
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{
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in: &LabelSelector{MatchLabels: matchLabels, MatchExpressions: matchExpressions},
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out: mustParse("foo in (bar),baz in (norf,qux)"),
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},
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{
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in: &LabelSelector{
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MatchExpressions: []LabelSelectorRequirement{{
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Key: "baz",
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Operator: LabelSelectorOpExists,
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Values: []string{"qux", "norf"},
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}},
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},
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expectErr: true,
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},
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}
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for i, tc := range tc {
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out, err := LabelSelectorAsSelector(tc.in)
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if err == nil && tc.expectErr {
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t.Errorf("[%v]expected error but got none.", i)
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}
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if err != nil && !tc.expectErr {
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t.Errorf("[%v]did not expect error but got: %v", i, err)
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}
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if !reflect.DeepEqual(out, tc.out) {
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t.Errorf("[%v]expected:\n\t%+v\nbut got:\n\t%+v", i, tc.out, out)
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}
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}
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}
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