mirror of https://github.com/knative/pkg.git
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
/*
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Copyright 2020 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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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 kflag
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import (
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"flag"
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"testing"
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)
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func TestSet(t *testing.T) {
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var f StringSet
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fs := flag.NewFlagSet("blah", flag.ContinueOnError)
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fs.Var(&f, "flag-name", "usage description")
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if err := fs.Parse([]string{
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"-flag-name=val1",
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"-flag-name=val1",
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"-flag-name=val2",
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"-flag-name=val3",
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"-flag-name=val1",
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}); err != nil {
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t.Fatal("Parse() =", err)
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}
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if got, want := f.Value.Len(), 3; got != want {
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t.Errorf("Len() = %d, wanted %d", want, got)
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}
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if !f.Value.Has("val1") {
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t.Error("Has(val1) = false, wanted true")
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}
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if !f.Value.Has("val2") {
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t.Error("Has(val1) = false, wanted true")
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}
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if !f.Value.Has("val3") {
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t.Error("Has(val1) = false, wanted true")
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}
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}
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func TestEmptySet(t *testing.T) {
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var f StringSet
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fs := flag.NewFlagSet("blah", flag.ContinueOnError)
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fs.Var(&f, "flag-name", "usage description")
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if err := fs.Parse([]string{}); err != nil {
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t.Fatal("Parse() =", err)
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}
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if got, want := f.Value.Len(), 0; got != want {
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t.Errorf("Len() = %d, wanted %d", want, got)
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}
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if f.Value.Has("val1") {
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t.Error("Has(val1) = true, wanted false")
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}
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}
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