/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.jclouds.ec2.suppliers;
import static org.easymock.EasyMock.expect;
import static org.easymock.classextension.EasyMock.createControl;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.fail;
import java.util.Map;
import java.util.Set;
import org.easymock.classextension.IMocksControl;
import org.jclouds.ec2.EC2Api;
import org.jclouds.ec2.domain.AvailabilityZoneInfo;
import org.jclouds.ec2.features.AvailabilityZoneAndRegionApi;
import org.jclouds.http.HttpCommand;
import org.jclouds.http.HttpResponseException;
import org.testng.annotations.Test;
import com.google.common.base.Optional;
import com.google.common.base.Suppliers;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
/**
* A test for {@link DescribeAvailabilityZonesInRegion}.
*
* @author Eric Pabst (pabstec@familysearch.org)
*/
public class DescribeAvailabilityZonesInRegionTest {
@Test
public void testDescribeAvailabilityZonesInRegion_BestEffort() {
IMocksControl control = createControl();
EC2Api client = control.createMock(EC2Api.class);
AvailabilityZoneAndRegionApi regionClient = control.createMock(AvailabilityZoneAndRegionApi.class);
AvailabilityZoneInfo info1 = control.createMock(AvailabilityZoneInfo.class);
AvailabilityZoneInfo info2 = control.createMock(AvailabilityZoneInfo.class);
HttpCommand command = control.createMock(HttpCommand.class);
HttpResponseException exception = new HttpResponseException("Error: Unable to tunnel through proxy: ...",
command, null);
expect(client.getAvailabilityZoneAndRegionApi()).andStubReturn((Optional) Optional.of(regionClient));
expect(regionClient.describeAvailabilityZonesInRegion("accessibleRegion1")).andReturn(
ImmutableSet.of(info1));
expect(regionClient.describeAvailabilityZonesInRegion("inaccessibleRegion")).andThrow(exception);
expect(regionClient.describeAvailabilityZonesInRegion("accessibleRegion2")).andReturn(
ImmutableSet.of(info2));
expect(info1.getZone()).andStubReturn("zone1");
expect(info2.getZone()).andStubReturn("zone2");
Set<String> regions = ImmutableSet.of("accessibleRegion1", "inaccessibleRegion", "accessibleRegion2");
control.replay();
Map<String, Set<String>> expectedResult = ImmutableMap.<String, Set<String>> builder().put("accessibleRegion1",
ImmutableSet.of("zone1")).put("accessibleRegion2", ImmutableSet.of("zone2")).build();
DescribeAvailabilityZonesInRegion regionIdToZoneId = new DescribeAvailabilityZonesInRegion(client, Suppliers
.ofInstance(regions));
assertEquals(Maps.transformValues(regionIdToZoneId.get(), Suppliers.<Set<String>> supplierFunction()),
expectedResult);
control.verify();
}
@Test
public void testDescribeAvailabilityZonesInRegion_RethrowIfNoneFound() {
IMocksControl control = createControl();
EC2Api client = control.createMock(EC2Api.class);
AvailabilityZoneAndRegionApi regionClient = control.createMock(AvailabilityZoneAndRegionApi.class);
HttpCommand command = control.createMock(HttpCommand.class);
HttpResponseException exception = new HttpResponseException("Error: Unable to tunnel through proxy: ...",
command, null);
expect(client.getAvailabilityZoneAndRegionApi()).andStubReturn((Optional) Optional.of(regionClient));
expect(regionClient.describeAvailabilityZonesInRegion("inaccessibleRegion")).andThrow(exception);
Set<String> regions = ImmutableSet.of("inaccessibleRegion");
control.replay();
DescribeAvailabilityZonesInRegion regionIdToZoneId = new DescribeAvailabilityZonesInRegion(client, Suppliers
.ofInstance(regions));
try {
regionIdToZoneId.get();
fail("expected exception");
} catch (HttpResponseException e) {
assertEquals(e, exception);
}
control.verify();
}
@Test
public void testDescribeAvailabilityZonesInRegion_NoZones() {
IMocksControl control = createControl();
EC2Api client = control.createMock(EC2Api.class);
AvailabilityZoneAndRegionApi regionClient = control.createMock(AvailabilityZoneAndRegionApi.class);
expect(client.getAvailabilityZoneAndRegionApi()).andStubReturn((Optional) Optional.of(regionClient));
expect(regionClient.describeAvailabilityZonesInRegion("emptyRegion")).andReturn(
ImmutableSet.<AvailabilityZoneInfo> of());
Set<String> regions = ImmutableSet.of("emptyRegion");
control.replay();
DescribeAvailabilityZonesInRegion regionIdToZoneId = new DescribeAvailabilityZonesInRegion(client, Suppliers
.ofInstance(regions));
assertEquals(regionIdToZoneId.get(), ImmutableMap.<String, String> of());
control.verify();
}
}