87 lines
2.2 KiB
Go
87 lines
2.2 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 globalflag
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import (
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"flag"
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"reflect"
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"sort"
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"strings"
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"testing"
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"github.com/spf13/pflag"
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apiserverflag "k8s.io/apiserver/pkg/util/flag"
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)
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func TestAddGlobalFlags(t *testing.T) {
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namedFlagSets := &apiserverflag.NamedFlagSets{}
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nfs := namedFlagSets.FlagSet("global")
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AddGlobalFlags(nfs, "test-cmd")
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actualFlag := []string{}
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nfs.VisitAll(func(flag *pflag.Flag) {
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actualFlag = append(actualFlag, flag.Name)
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})
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// Get all flags from flags.CommandLine, except flag `test.*`.
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wantedFlag := []string{"help"}
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pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
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pflag.VisitAll(func(flag *pflag.Flag) {
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if !strings.Contains(flag.Name, "test.") {
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wantedFlag = append(wantedFlag, normalize(flag.Name))
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}
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})
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sort.Strings(wantedFlag)
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if !reflect.DeepEqual(wantedFlag, actualFlag) {
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t.Errorf("[Default]: expected %+v, got %+v", wantedFlag, actualFlag)
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}
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tests := []struct {
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expectedFlag []string
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matchExpected bool
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}{
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{
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// Happy case
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expectedFlag: []string{"alsologtostderr", "help", "log-backtrace-at", "log-dir", "log-file", "log-flush-frequency", "logtostderr", "skip-headers", "stderrthreshold", "v", "vmodule"},
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matchExpected: false,
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},
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{
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// Missing flag
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expectedFlag: []string{"logtostderr", "log-dir"},
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matchExpected: true,
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},
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{
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// Empty flag
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expectedFlag: []string{},
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matchExpected: true,
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},
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{
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// Invalid flag
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expectedFlag: []string{"foo"},
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matchExpected: true,
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},
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}
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for i, test := range tests {
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if reflect.DeepEqual(test.expectedFlag, actualFlag) == test.matchExpected {
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t.Errorf("[%d]: expected %+v, got %+v", i, test.expectedFlag, actualFlag)
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}
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}
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}
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