apiserver/pkg/util/flag/colon_separated_multimap_st...

127 lines
4.2 KiB
Go

/*
Copyright 2017 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 flag
import (
"reflect"
"testing"
)
func TestStringColonSeparatedMultimapStringString(t *testing.T) {
cases := []struct {
desc string
m ColonSeparatedMultimapStringString
expect string
}{
{"empty", ColonSeparatedMultimapStringString{}, ""},
{"empty key", ColonSeparatedMultimapStringString{"": []string{"foo"}}, ":foo"},
{"one key", ColonSeparatedMultimapStringString{"one": []string{"foo"}}, "one:foo"},
{"two keys", ColonSeparatedMultimapStringString{"one": []string{"foo"}, "two": []string{"bar"}}, "one:foo,two:bar"},
{"two keys, multiple items in one key", ColonSeparatedMultimapStringString{"one": []string{"foo", "baz"}, "two": []string{"bar"}}, "one:foo,one:baz,two:bar"},
{"three keys, multiple items in one key", ColonSeparatedMultimapStringString{"a": []string{"hello"}, "b": []string{"again", "beautiful"}, "c": []string{"world"}}, "a:hello,b:again,b:beautiful,c:world"},
}
for _, c := range cases {
t.Run(c.desc, func(t *testing.T) {
str := c.m.String()
if c.expect != str {
t.Fatalf("expect %q but got %q", c.expect, str)
}
})
}
}
func TestSetColonSeparatedMultimapStringString(t *testing.T) {
cases := []struct {
desc string
val string
expect ColonSeparatedMultimapStringString
err string
}{
{"empty", "", ColonSeparatedMultimapStringString{}, ""},
{"empty key", ":foo", ColonSeparatedMultimapStringString{
"": []string{"foo"},
}, ""},
{"one key", "one:foo", ColonSeparatedMultimapStringString{
"one": []string{"foo"}}, ""},
{"two keys", "one:foo,two:bar", ColonSeparatedMultimapStringString{
"one": []string{"foo"},
"two": []string{"bar"},
}, ""},
{"two keys with space", "one:foo, two:bar", ColonSeparatedMultimapStringString{
"one": []string{"foo"},
"two": []string{"bar"},
}, ""},
{"two keys, multiple items in one key", "one: foo, two:bar, one:baz", ColonSeparatedMultimapStringString{
"one": []string{"foo", "baz"},
"two": []string{"bar"},
}, ""},
{"three keys, multiple items in one key", "a:hello,b:again,c:world,b:beautiful", ColonSeparatedMultimapStringString{
"a": []string{"hello"},
"b": []string{"again", "beautiful"},
"c": []string{"world"},
}, ""},
{"missing value", "one", ColonSeparatedMultimapStringString{}, "malformed pair, expect string:string"},
}
for _, c := range cases {
t.Run(c.desc, func(t *testing.T) {
// we initialize the map with a default key that should be cleared by Set (no test cases specify "default")
m := ColonSeparatedMultimapStringString{"default": []string{}}
err := m.Set(c.val)
if c.err != "" {
if err.Error() != c.err {
t.Fatalf("expect error %s but got %v", c.err, err)
}
return
} else if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if !reflect.DeepEqual(c.expect, m) {
t.Fatalf("expect %#v but got %#v", c.expect, m)
}
})
}
}
func TestRoundTripColonSeparatedMultimapStringString(t *testing.T) {
cases := []struct {
desc string
val string
expect string
}{
{"empty", "", ""},
{"empty key", ":foo", ":foo"},
{"one key", "one:foo", "one:foo"},
{"two keys", "one:foo,two:bar", "one:foo,two:bar"},
{"two keys, multiple items in one key", "one:foo, two:bar, one:baz", "one:foo,one:baz,two:bar"},
{"three keys, multiple items in one key", "a:hello,b:again,c:world,b:beautiful", "a:hello,b:again,b:beautiful,c:world"},
}
for _, c := range cases {
t.Run(c.desc, func(t *testing.T) {
m := ColonSeparatedMultimapStringString{}
if err := m.Set(c.val); err != nil {
t.Fatalf("unexpected error: %v", err)
}
str := m.String()
if c.expect != str {
t.Fatalf("expect %q but got %q", c.expect, str)
}
})
}
}