vendor files

vendor/k8s.io/apimachinery/pkg/labels/labels_test.go

@@ -0,0 +1,231 @@
+/*
+Copyright 2014 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 labels
+
+import (
+	"testing"
+)
+
+func matches(t *testing.T, ls Set, want string) {
+	if ls.String() != want {
+		t.Errorf("Expected '%s', but got '%s'", want, ls.String())
+	}
+}
+
+func TestSetString(t *testing.T) {
+	matches(t, Set{"x": "y"}, "x=y")
+	matches(t, Set{"foo": "bar"}, "foo=bar")
+	matches(t, Set{"foo": "bar", "baz": "qup"}, "baz=qup,foo=bar")
+
+	// TODO: Make our label representation robust enough to handle labels
+	// with ",=!" characters in their names.
+}
+
+func TestLabelHas(t *testing.T) {
+	labelHasTests := []struct {
+		Ls  Labels
+		Key string
+		Has bool
+	}{
+		{Set{"x": "y"}, "x", true},
+		{Set{"x": ""}, "x", true},
+		{Set{"x": "y"}, "foo", false},
+	}
+	for _, lh := range labelHasTests {
+		if has := lh.Ls.Has(lh.Key); has != lh.Has {
+			t.Errorf("%#v.Has(%#v) => %v, expected %v", lh.Ls, lh.Key, has, lh.Has)
+		}
+	}
+}
+
+func TestLabelGet(t *testing.T) {
+	ls := Set{"x": "y"}
+	if ls.Get("x") != "y" {
+		t.Errorf("Set.Get is broken")
+	}
+}
+
+func TestLabelConflict(t *testing.T) {
+	tests := []struct {
+		labels1  map[string]string
+		labels2  map[string]string
+		conflict bool
+	}{
+		{
+			labels1:  map[string]string{},
+			labels2:  map[string]string{},
+			conflict: false,
+		},
+		{
+			labels1:  map[string]string{"env": "test"},
+			labels2:  map[string]string{"infra": "true"},
+			conflict: false,
+		},
+		{
+			labels1:  map[string]string{"env": "test"},
+			labels2:  map[string]string{"infra": "true", "env": "test"},
+			conflict: false,
+		},
+		{
+			labels1:  map[string]string{"env": "test"},
+			labels2:  map[string]string{"env": "dev"},
+			conflict: true,
+		},
+		{
+			labels1:  map[string]string{"env": "test", "infra": "false"},
+			labels2:  map[string]string{"infra": "true", "color": "blue"},
+			conflict: true,
+		},
+	}
+	for _, test := range tests {
+		conflict := Conflicts(Set(test.labels1), Set(test.labels2))
+		if conflict != test.conflict {
+			t.Errorf("expected: %v but got: %v", test.conflict, conflict)
+		}
+	}
+}
+
+func TestLabelMerge(t *testing.T) {
+	tests := []struct {
+		labels1      map[string]string
+		labels2      map[string]string
+		mergedLabels map[string]string
+	}{
+		{
+			labels1:      map[string]string{},
+			labels2:      map[string]string{},
+			mergedLabels: map[string]string{},
+		},
+		{
+			labels1:      map[string]string{"infra": "true"},
+			labels2:      map[string]string{},
+			mergedLabels: map[string]string{"infra": "true"},
+		},
+		{
+			labels1:      map[string]string{"infra": "true"},
+			labels2:      map[string]string{"env": "test", "color": "blue"},
+			mergedLabels: map[string]string{"infra": "true", "env": "test", "color": "blue"},
+		},
+	}
+	for _, test := range tests {
+		mergedLabels := Merge(Set(test.labels1), Set(test.labels2))
+		if !Equals(mergedLabels, test.mergedLabels) {
+			t.Errorf("expected: %v but got: %v", test.mergedLabels, mergedLabels)
+		}
+	}
+}
+
+func TestLabelSelectorParse(t *testing.T) {
+	tests := []struct {
+		selector string
+		labels   map[string]string
+		valid    bool
+	}{
+		{
+			selector: "",
+			labels:   map[string]string{},
+			valid:    true,
+		},
+		{
+			selector: "x=a",
+			labels:   map[string]string{"x": "a"},
+			valid:    true,
+		},
+		{
+			selector: "x=a,y=b,z=c",
+			labels:   map[string]string{"x": "a", "y": "b", "z": "c"},
+			valid:    true,
+		},
+		{
+			selector: " x = a , y = b , z = c ",
+			labels:   map[string]string{"x": "a", "y": "b", "z": "c"},
+			valid:    true,
+		},
+		{
+			selector: "color=green,env=test,service=front",
+			labels:   map[string]string{"color": "green", "env": "test", "service": "front"},
+			valid:    true,
+		},
+		{
+			selector: "color=green, env=test, service=front",
+			labels:   map[string]string{"color": "green", "env": "test", "service": "front"},
+			valid:    true,
+		},
+		{
+			selector: ",",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+		{
+			selector: "x",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+		{
+			selector: "x,y",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+		{
+			selector: "x=$y",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+		{
+			selector: "x!=y",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+		{
+			selector: "x==y",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+		{
+			selector: "x=a||y=b",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+		{
+			selector: "x in (y)",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+		{
+			selector: "x notin (y)",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+		{
+			selector: "x y",
+			labels:   map[string]string{},
+			valid:    false,
+		},
+	}
+	for _, test := range tests {
+		labels, err := ConvertSelectorToLabelsMap(test.selector)
+		if test.valid && err != nil {
+			t.Errorf("selector: %s, expected no error but got: %s", test.selector, err)
+		} else if !test.valid && err == nil {
+			t.Errorf("selector: %s, expected an error", test.selector)
+		}
+
+		if !Equals(Set(labels), test.labels) {
+			t.Errorf("expected: %s but got: %s", test.labels, labels)
+		}
+	}
+}