mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-04 04:08:16 +00:00
299 lines
9.1 KiB
Go
299 lines
9.1 KiB
Go
/*
|
|
Copyright 2014 Google Inc. All rights reserved.
|
|
|
|
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 labels
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
|
|
)
|
|
|
|
func TestSelectorParse(t *testing.T) {
|
|
testGoodStrings := []string{
|
|
"x=a,y=b,z=c",
|
|
"",
|
|
"x!=a,y=b",
|
|
}
|
|
testBadStrings := []string{
|
|
"x=a||y=b",
|
|
"x==a==b",
|
|
}
|
|
for _, test := range testGoodStrings {
|
|
lq, err := ParseSelector(test)
|
|
if err != nil {
|
|
t.Errorf("%v: error %v (%#v)\n", test, err, err)
|
|
}
|
|
if test != lq.String() {
|
|
t.Errorf("%v restring gave: %v\n", test, lq.String())
|
|
}
|
|
}
|
|
for _, test := range testBadStrings {
|
|
_, err := ParseSelector(test)
|
|
if err == nil {
|
|
t.Errorf("%v: did not get expected error\n", test)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDeterministicParse(t *testing.T) {
|
|
s1, err := ParseSelector("x=a,a=x")
|
|
s2, err2 := ParseSelector("a=x,x=a")
|
|
if err != nil || err2 != nil {
|
|
t.Errorf("Unexpected parse error")
|
|
}
|
|
if s1.String() != s2.String() {
|
|
t.Errorf("Non-deterministic parse")
|
|
}
|
|
}
|
|
|
|
func expectMatch(t *testing.T, selector string, ls Set) {
|
|
lq, err := ParseSelector(selector)
|
|
if err != nil {
|
|
t.Errorf("Unable to parse %v as a selector\n", selector)
|
|
return
|
|
}
|
|
if !lq.Matches(ls) {
|
|
t.Errorf("Wanted %s to match '%s', but it did not.\n", selector, ls)
|
|
}
|
|
}
|
|
|
|
func expectNoMatch(t *testing.T, selector string, ls Set) {
|
|
lq, err := ParseSelector(selector)
|
|
if err != nil {
|
|
t.Errorf("Unable to parse %v as a selector\n", selector)
|
|
return
|
|
}
|
|
if lq.Matches(ls) {
|
|
t.Errorf("Wanted '%s' to not match '%s', but it did.", selector, ls)
|
|
}
|
|
}
|
|
|
|
func TestEverything(t *testing.T) {
|
|
if !Everything().Matches(Set{"x": "y"}) {
|
|
t.Errorf("Nil selector didn't match")
|
|
}
|
|
if !Everything().Empty() {
|
|
t.Errorf("Everything was not empty")
|
|
}
|
|
}
|
|
|
|
func TestSelectorMatches(t *testing.T) {
|
|
expectMatch(t, "", Set{"x": "y"})
|
|
expectMatch(t, "x=y", Set{"x": "y"})
|
|
expectMatch(t, "x=y,z=w", Set{"x": "y", "z": "w"})
|
|
expectMatch(t, "x!=y,z!=w", Set{"x": "z", "z": "a"})
|
|
expectNoMatch(t, "x=y", Set{"x": "z"})
|
|
expectNoMatch(t, "x=y,z=w", Set{"x": "w", "z": "w"})
|
|
expectNoMatch(t, "x!=y,z!=w", Set{"x": "z", "z": "w"})
|
|
|
|
labelset := Set{
|
|
"foo": "bar",
|
|
"baz": "blah",
|
|
}
|
|
expectMatch(t, "foo=bar", labelset)
|
|
expectMatch(t, "baz=blah", labelset)
|
|
expectMatch(t, "foo=bar,baz=blah", labelset)
|
|
expectNoMatch(t, "foo=blah", labelset)
|
|
expectNoMatch(t, "baz=bar", labelset)
|
|
expectNoMatch(t, "foo=bar,foobar=bar,baz=blah", labelset)
|
|
}
|
|
|
|
func expectMatchDirect(t *testing.T, selector, ls Set) {
|
|
if !SelectorFromSet(selector).Matches(ls) {
|
|
t.Errorf("Wanted %s to match '%s', but it did not.\n", selector, ls)
|
|
}
|
|
}
|
|
|
|
func expectNoMatchDirect(t *testing.T, selector, ls Set) {
|
|
if SelectorFromSet(selector).Matches(ls) {
|
|
t.Errorf("Wanted '%s' to not match '%s', but it did.", selector, ls)
|
|
}
|
|
}
|
|
|
|
func TestSetMatches(t *testing.T) {
|
|
labelset := Set{
|
|
"foo": "bar",
|
|
"baz": "blah",
|
|
}
|
|
expectMatchDirect(t, Set{}, labelset)
|
|
expectMatchDirect(t, Set{"foo": "bar"}, labelset)
|
|
expectMatchDirect(t, Set{"baz": "blah"}, labelset)
|
|
expectMatchDirect(t, Set{"foo": "bar", "baz": "blah"}, labelset)
|
|
expectNoMatchDirect(t, Set{"foo": "=blah"}, labelset)
|
|
expectNoMatchDirect(t, Set{"baz": "=bar"}, labelset)
|
|
expectNoMatchDirect(t, Set{"foo": "=bar", "foobar": "bar", "baz": "blah"}, labelset)
|
|
}
|
|
|
|
func TestNilMapIsValid(t *testing.T) {
|
|
selector := Set(nil).AsSelector()
|
|
if selector == nil {
|
|
t.Errorf("Selector for nil set should be Everything")
|
|
}
|
|
if !selector.Empty() {
|
|
t.Errorf("Selector for nil set should be Empty")
|
|
}
|
|
}
|
|
|
|
func TestSetIsEmpty(t *testing.T) {
|
|
if !(Set{}).AsSelector().Empty() {
|
|
t.Errorf("Empty set should be empty")
|
|
}
|
|
if !(andTerm(nil)).Empty() {
|
|
t.Errorf("Nil andTerm should be empty")
|
|
}
|
|
if (&hasTerm{}).Empty() {
|
|
t.Errorf("hasTerm should not be empty")
|
|
}
|
|
if (¬HasTerm{}).Empty() {
|
|
t.Errorf("notHasTerm should not be empty")
|
|
}
|
|
if !(andTerm{andTerm{}}).Empty() {
|
|
t.Errorf("Nested andTerm should be empty")
|
|
}
|
|
if (andTerm{&hasTerm{"a", "b"}}).Empty() {
|
|
t.Errorf("Nested andTerm should not be empty")
|
|
}
|
|
}
|
|
|
|
func TestRequiresExactMatch(t *testing.T) {
|
|
testCases := map[string]struct {
|
|
S Selector
|
|
Label string
|
|
Value string
|
|
Found bool
|
|
}{
|
|
"empty set": {Set{}.AsSelector(), "test", "", false},
|
|
"nil andTerm": {andTerm(nil), "test", "", false},
|
|
"empty hasTerm": {&hasTerm{}, "test", "", false},
|
|
"skipped hasTerm": {&hasTerm{"a", "b"}, "test", "", false},
|
|
"valid hasTerm": {&hasTerm{"test", "b"}, "test", "b", true},
|
|
"valid hasTerm no value": {&hasTerm{"test", ""}, "test", "", true},
|
|
"valid notHasTerm": {¬HasTerm{"test", "b"}, "test", "", false},
|
|
"valid notHasTerm no value": {¬HasTerm{"test", ""}, "test", "", false},
|
|
"nested andTerm": {andTerm{andTerm{}}, "test", "", false},
|
|
"nested andTerm matches": {andTerm{&hasTerm{"test", "b"}}, "test", "b", true},
|
|
"andTerm with non-match": {andTerm{&hasTerm{}, &hasTerm{"test", "b"}}, "test", "b", true},
|
|
}
|
|
for k, v := range testCases {
|
|
value, found := v.S.RequiresExactMatch(v.Label)
|
|
if value != v.Value {
|
|
t.Errorf("%s: expected value %v, got %s", k, v.Value, value)
|
|
}
|
|
if found != v.Found {
|
|
t.Errorf("%s: expected found %v, got %s", k, v.Found, found)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRequirementConstructor(t *testing.T) {
|
|
requirementConstructorTests := []struct {
|
|
Key string
|
|
Op Operator
|
|
Vals util.StringSet
|
|
Success bool
|
|
}{
|
|
{"x", 8, util.NewStringSet("foo"), false},
|
|
{"x", In, nil, false},
|
|
{"x", NotIn, util.NewStringSet(), false},
|
|
{"x", In, util.NewStringSet("foo"), true},
|
|
{"x", NotIn, util.NewStringSet("foo"), true},
|
|
{"x", Exists, nil, true},
|
|
}
|
|
for _, rc := range requirementConstructorTests {
|
|
if _, err := NewRequirement(rc.Key, rc.Op, rc.Vals); err == nil && !rc.Success {
|
|
t.Errorf("expected error with key:%#v op:%v vals:%v, got no error", rc.Key, rc.Op, rc.Vals)
|
|
} else if err != nil && rc.Success {
|
|
t.Errorf("expected no error with key:%#v op:%v vals:%v, got:%v", rc.Key, rc.Op, rc.Vals, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestToString(t *testing.T) {
|
|
var req Requirement
|
|
toStringTests := []struct {
|
|
In *LabelSelector
|
|
Out string
|
|
Valid bool
|
|
}{
|
|
{&LabelSelector{Requirements: []Requirement{
|
|
getRequirement("x", In, util.NewStringSet("abc", "def"), t),
|
|
getRequirement("y", NotIn, util.NewStringSet("jkl"), t),
|
|
getRequirement("z", Exists, nil, t),
|
|
}}, "x in (abc,def),y not in (jkl),z", true},
|
|
{&LabelSelector{Requirements: []Requirement{
|
|
getRequirement("x", In, util.NewStringSet("abc", "def"), t),
|
|
req,
|
|
}}, "", false},
|
|
{&LabelSelector{Requirements: []Requirement{
|
|
getRequirement("x", NotIn, util.NewStringSet("abc"), t),
|
|
getRequirement("y", In, util.NewStringSet("jkl", "mno"), t),
|
|
getRequirement("z", NotIn, util.NewStringSet(""), t),
|
|
}}, "x not in (abc),y in (jkl,mno),z not in ()", true},
|
|
}
|
|
for _, ts := range toStringTests {
|
|
if out, err := ts.In.String(); err != nil && ts.Valid {
|
|
t.Errorf("%+v.String() => %v, expected no error", ts.In, err)
|
|
} else if out != ts.Out {
|
|
t.Errorf("%+v.String() => %v, want %v", ts.In, out, ts.Out)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRequirementLabelSelectorMatching(t *testing.T) {
|
|
var req Requirement
|
|
labelSelectorMatchingTests := []struct {
|
|
Set Set
|
|
Sel *LabelSelector
|
|
Match bool
|
|
Valid bool
|
|
}{
|
|
{Set{"x": "foo", "y": "baz"}, &LabelSelector{Requirements: []Requirement{
|
|
req,
|
|
}}, false, false},
|
|
{Set{"x": "foo", "y": "baz"}, &LabelSelector{Requirements: []Requirement{
|
|
getRequirement("x", In, util.NewStringSet("foo"), t),
|
|
getRequirement("y", NotIn, util.NewStringSet("alpha"), t),
|
|
}}, true, true},
|
|
{Set{"x": "foo", "y": "baz"}, &LabelSelector{Requirements: []Requirement{
|
|
getRequirement("x", In, util.NewStringSet("foo"), t),
|
|
getRequirement("y", In, util.NewStringSet("alpha"), t),
|
|
}}, false, true},
|
|
{Set{"y": ""}, &LabelSelector{Requirements: []Requirement{
|
|
getRequirement("x", NotIn, util.NewStringSet(""), t),
|
|
getRequirement("y", Exists, nil, t),
|
|
}}, true, true},
|
|
{Set{"y": "baz"}, &LabelSelector{Requirements: []Requirement{
|
|
getRequirement("x", In, util.NewStringSet(""), t),
|
|
}}, false, true},
|
|
}
|
|
for _, lsm := range labelSelectorMatchingTests {
|
|
if match, err := lsm.Sel.Matches(lsm.Set); err != nil && lsm.Valid {
|
|
t.Errorf("%+v.Matches(%#v) => %v, expected no error", lsm.Sel, lsm.Set, err)
|
|
} else if match != lsm.Match {
|
|
t.Errorf("%+v.Matches(%#v) => %v, want %v", lsm.Sel, lsm.Set, match, lsm.Match)
|
|
}
|
|
}
|
|
}
|
|
|
|
func getRequirement(key string, op Operator, vals util.StringSet, t *testing.T) Requirement {
|
|
req, err := NewRequirement(key, op, vals)
|
|
if err != nil {
|
|
t.Errorf("NewRequirement(%v, %v, %v) resulted in error:%v", key, op, vals, err)
|
|
}
|
|
return *req
|
|
}
|