| /* |
| Copyright 2018 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package globalflag |
| |
| import ( |
| "flag" |
| "reflect" |
| "sort" |
| "strings" |
| "testing" |
| |
| "github.com/spf13/pflag" |
| |
| apiserverflag "k8s.io/apiserver/pkg/util/flag" |
| ) |
| |
| func TestAddGlobalFlags(t *testing.T) { |
| namedFlagSets := &apiserverflag.NamedFlagSets{} |
| nfs := namedFlagSets.FlagSet("global") |
| AddGlobalFlags(nfs, "test-cmd") |
| |
| actualFlag := []string{} |
| nfs.VisitAll(func(flag *pflag.Flag) { |
| actualFlag = append(actualFlag, flag.Name) |
| }) |
| |
| // Get all flags from flags.CommandLine, except flag `test.*`. |
| wantedFlag := []string{"help"} |
| pflag.CommandLine.AddGoFlagSet(flag.CommandLine) |
| pflag.VisitAll(func(flag *pflag.Flag) { |
| if !strings.Contains(flag.Name, "test.") { |
| wantedFlag = append(wantedFlag, normalize(flag.Name)) |
| } |
| }) |
| sort.Strings(wantedFlag) |
| |
| if !reflect.DeepEqual(wantedFlag, actualFlag) { |
| t.Errorf("[Default]: expected %+v, got %+v", wantedFlag, actualFlag) |
| } |
| |
| tests := []struct { |
| expectedFlag []string |
| matchExpected bool |
| }{ |
| { |
| // Happy case |
| expectedFlag: []string{"alsologtostderr", "help", "log-backtrace-at", "log-dir", "log-file", "log-flush-frequency", "logtostderr", "skip-headers", "stderrthreshold", "v", "vmodule"}, |
| matchExpected: false, |
| }, |
| { |
| // Missing flag |
| expectedFlag: []string{"logtostderr", "log-dir"}, |
| matchExpected: true, |
| }, |
| { |
| // Empty flag |
| expectedFlag: []string{}, |
| matchExpected: true, |
| }, |
| { |
| // Invalid flag |
| expectedFlag: []string{"foo"}, |
| matchExpected: true, |
| }, |
| } |
| |
| for i, test := range tests { |
| if reflect.DeepEqual(test.expectedFlag, actualFlag) == test.matchExpected { |
| t.Errorf("[%d]: expected %+v, got %+v", i, test.expectedFlag, actualFlag) |
| } |
| } |
| } |