File name should have changed during query->selector rename.

pkg/labels/selector_test.go

@@ -0,0 +1,123 @@
+/*
+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"
+)
+
+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 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")
+	}
+}
+
+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)
+}