Adding validations for scheduler Policy

plugin/pkg/scheduler/api/validation/validation_test.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2015 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 validation
+
+import (
+	"testing"
+
+	"github.com/GoogleCloudPlatform/kubernetes/plugin/pkg/scheduler/api"
+)
+
+func TestValidatePriorityWithNoWeight(t *testing.T) {
+	policy := api.Policy{Priorities: []api.PriorityPolicy{{Name: "NoWeightPriority"}}}
+	if ValidatePolicy(policy) == nil {
+		t.Errorf("Expected error about priority weight being zero")
+	}
+}
+
+func TestValidatePriorityWithZeroWeight(t *testing.T) {
+	policy := api.Policy{Priorities: []api.PriorityPolicy{{Name: "NoWeightPriority", Weight: 0}}}
+	if ValidatePolicy(policy) == nil {
+		t.Errorf("Expected error about priority weight being zero")
+	}
+}
+
+func TestValidatePriorityWithNonZeroWeight(t *testing.T) {
+	policy := api.Policy{Priorities: []api.PriorityPolicy{{Name: "WeightPriority", Weight: 2}}}
+	errs := ValidatePolicy(policy)
+	if ValidatePolicy(policy) != nil {
+		t.Errorf("Unexpected errors %v", errs)
+	}
+}
+
+func TestValidatePriorityWithNegativeWeight(t *testing.T) {
+	policy := api.Policy{Priorities: []api.PriorityPolicy{{Name: "WeightPriority", Weight: -2}}}
+	errs := ValidatePolicy(policy)
+	if ValidatePolicy(policy) != nil {
+		t.Errorf("Unexpected errors %v", errs)
+	}
+}