209 lines
6 KiB
Go
209 lines
6 KiB
Go
/*
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Copyright 2015 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 fields
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import (
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"testing"
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)
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func TestSelectorParse(t *testing.T) {
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testGoodStrings := []string{
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"x=a,y=b,z=c",
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"",
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"x!=a,y=b",
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}
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testBadStrings := []string{
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"x=a||y=b",
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"x==a==b",
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}
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for _, test := range testGoodStrings {
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lq, err := ParseSelector(test)
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if err != nil {
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t.Errorf("%v: error %v (%#v)\n", test, err, err)
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}
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if test != lq.String() {
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t.Errorf("%v restring gave: %v\n", test, lq.String())
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}
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}
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for _, test := range testBadStrings {
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_, err := ParseSelector(test)
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if err == nil {
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t.Errorf("%v: did not get expected error\n", test)
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}
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}
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}
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func TestDeterministicParse(t *testing.T) {
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s1, err := ParseSelector("x=a,a=x")
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s2, err2 := ParseSelector("a=x,x=a")
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if err != nil || err2 != nil {
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t.Errorf("Unexpected parse error")
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}
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if s1.String() != s2.String() {
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t.Errorf("Non-deterministic parse")
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}
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}
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func expectMatch(t *testing.T, selector string, ls Set) {
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lq, err := ParseSelector(selector)
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if err != nil {
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t.Errorf("Unable to parse %v as a selector\n", selector)
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return
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}
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if !lq.Matches(ls) {
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t.Errorf("Wanted %s to match '%s', but it did not.\n", selector, ls)
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}
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}
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func expectNoMatch(t *testing.T, selector string, ls Set) {
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lq, err := ParseSelector(selector)
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if err != nil {
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t.Errorf("Unable to parse %v as a selector\n", selector)
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return
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}
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if lq.Matches(ls) {
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t.Errorf("Wanted '%s' to not match '%s', but it did.", selector, ls)
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}
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}
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func TestEverything(t *testing.T) {
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if !Everything().Matches(Set{"x": "y"}) {
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t.Errorf("Nil selector didn't match")
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}
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if !Everything().Empty() {
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t.Errorf("Everything was not empty")
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}
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}
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func TestSelectorMatches(t *testing.T) {
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expectMatch(t, "", Set{"x": "y"})
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expectMatch(t, "x=y", Set{"x": "y"})
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expectMatch(t, "x=y,z=w", Set{"x": "y", "z": "w"})
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expectMatch(t, "x!=y,z!=w", Set{"x": "z", "z": "a"})
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expectMatch(t, "notin=in", Set{"notin": "in"}) // in and notin in exactMatch
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expectNoMatch(t, "x=y", Set{"x": "z"})
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expectNoMatch(t, "x=y,z=w", Set{"x": "w", "z": "w"})
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expectNoMatch(t, "x!=y,z!=w", Set{"x": "z", "z": "w"})
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labelset := Set{
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"foo": "bar",
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"baz": "blah",
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}
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expectMatch(t, "foo=bar", labelset)
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expectMatch(t, "baz=blah", labelset)
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expectMatch(t, "foo=bar,baz=blah", labelset)
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expectNoMatch(t, "foo=blah", labelset)
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expectNoMatch(t, "baz=bar", labelset)
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expectNoMatch(t, "foo=bar,foobar=bar,baz=blah", labelset)
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}
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func TestOneTermEqualSelector(t *testing.T) {
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if !OneTermEqualSelector("x", "y").Matches(Set{"x": "y"}) {
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t.Errorf("No match when match expected.")
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}
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if OneTermEqualSelector("x", "y").Matches(Set{"x": "z"}) {
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t.Errorf("Match when none expected.")
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}
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}
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func expectMatchDirect(t *testing.T, selector, ls Set) {
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if !SelectorFromSet(selector).Matches(ls) {
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t.Errorf("Wanted %s to match '%s', but it did not.\n", selector, ls)
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}
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}
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func expectNoMatchDirect(t *testing.T, selector, ls Set) {
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if SelectorFromSet(selector).Matches(ls) {
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t.Errorf("Wanted '%s' to not match '%s', but it did.", selector, ls)
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}
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}
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func TestSetMatches(t *testing.T) {
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labelset := Set{
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"foo": "bar",
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"baz": "blah",
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}
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expectMatchDirect(t, Set{}, labelset)
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expectMatchDirect(t, Set{"foo": "bar"}, labelset)
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expectMatchDirect(t, Set{"baz": "blah"}, labelset)
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expectMatchDirect(t, Set{"foo": "bar", "baz": "blah"}, labelset)
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expectNoMatchDirect(t, Set{"foo": "=blah"}, labelset)
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expectNoMatchDirect(t, Set{"baz": "=bar"}, labelset)
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expectNoMatchDirect(t, Set{"foo": "=bar", "foobar": "bar", "baz": "blah"}, labelset)
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}
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func TestNilMapIsValid(t *testing.T) {
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selector := Set(nil).AsSelector()
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if selector == nil {
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t.Errorf("Selector for nil set should be Everything")
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}
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if !selector.Empty() {
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t.Errorf("Selector for nil set should be Empty")
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}
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}
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func TestSetIsEmpty(t *testing.T) {
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if !(Set{}).AsSelector().Empty() {
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t.Errorf("Empty set should be empty")
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}
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if !(andTerm(nil)).Empty() {
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t.Errorf("Nil andTerm should be empty")
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}
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if (&hasTerm{}).Empty() {
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t.Errorf("hasTerm should not be empty")
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}
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if (¬HasTerm{}).Empty() {
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t.Errorf("notHasTerm should not be empty")
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}
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if !(andTerm{andTerm{}}).Empty() {
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t.Errorf("Nested andTerm should be empty")
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}
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if (andTerm{&hasTerm{"a", "b"}}).Empty() {
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t.Errorf("Nested andTerm should not be empty")
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}
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}
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func TestRequiresExactMatch(t *testing.T) {
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testCases := map[string]struct {
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S Selector
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Label string
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Value string
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Found bool
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}{
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"empty set": {Set{}.AsSelector(), "test", "", false},
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"empty hasTerm": {&hasTerm{}, "test", "", false},
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"skipped hasTerm": {&hasTerm{"a", "b"}, "test", "", false},
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"valid hasTerm": {&hasTerm{"test", "b"}, "test", "b", true},
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"valid hasTerm no value": {&hasTerm{"test", ""}, "test", "", true},
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"valid notHasTerm": {¬HasTerm{"test", "b"}, "test", "", false},
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"valid notHasTerm no value": {¬HasTerm{"test", ""}, "test", "", false},
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"nil andTerm": {andTerm(nil), "test", "", false},
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"empty andTerm": {andTerm{}, "test", "", false},
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"nested andTerm": {andTerm{andTerm{}}, "test", "", false},
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"nested andTerm matches": {andTerm{&hasTerm{"test", "b"}}, "test", "b", true},
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"andTerm with non-match": {andTerm{&hasTerm{}, &hasTerm{"test", "b"}}, "test", "b", true},
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}
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for k, v := range testCases {
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value, found := v.S.RequiresExactMatch(v.Label)
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if value != v.Value {
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t.Errorf("%s: expected value %s, got %s", k, v.Value, value)
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}
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if found != v.Found {
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t.Errorf("%s: expected found %t, got %t", k, v.Found, found)
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}
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}
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}
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