Add tests for aws_utils zones

upup/pkg/fi/cloudup/awsup/aws_utils_test.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2016 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 awsup
+
+import (
+	"k8s.io/kops/pkg/apis/kops"
+	"testing"
+)
+
+func TestValidateRegion(t *testing.T) {
+	for _, region := range []string{"us-east-1", "us-east-2", "eu-west-1"} {
+		err := ValidateRegion(region)
+		if err != nil {
+			t.Fatalf("unexpected error validating region %q: %v", region, err)
+		}
+	}
+
+	for _, region := range []string{"is-lost-1", "no-road-2", "no-real-3"} {
+		err := ValidateRegion(region)
+		if err == nil {
+			t.Fatalf("expected error validating region %q", region)
+		}
+	}
+}
+
+func TestFindRegion(t *testing.T) {
+	for _, zone := range []string{"us-east-1a", "us-east-1b", "us-east-1c", "us-east-2a", "us-east-2b", "us-east-2c"} {
+		c := &kops.Cluster{}
+		c.Spec.Zones = append(c.Spec.Zones, &kops.ClusterZoneSpec{Name: zone})
+
+		region, err := FindRegion(c)
+		if err != nil {
+			t.Fatalf("unexpected error finding region for %q: %v", zone, err)
+		}
+
+		expected := zone[:len(zone)-1]
+		if region != expected {
+			t.Fatalf("unexpected region for zone: %q vs %q", expected, region)
+		}
+	}
+
+}