| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * 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 org.onosproject.codec.impl; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.ImmutableList; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.NetTestTools; |
| import org.onosproject.net.meter.Band; |
| import org.onosproject.net.meter.DefaultBand; |
| import org.onosproject.net.meter.DefaultMeter; |
| import org.onosproject.net.meter.Meter; |
| import org.onosproject.net.meter.MeterId; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import static org.easymock.EasyMock.createMock; |
| import static org.easymock.EasyMock.expect; |
| import static org.easymock.EasyMock.replay; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.notNullValue; |
| import static org.onosproject.codec.impl.MeterJsonMatcher.matchesMeter; |
| import static org.onosproject.net.NetTestTools.APP_ID; |
| |
| /** |
| * Unit tests for Meter codec. |
| */ |
| public class MeterCodecTest { |
| |
| MockCodecContext context; |
| JsonCodec<Meter> meterCodec; |
| final CoreService mockCoreService = createMock(CoreService.class); |
| |
| /** |
| * Sets up for each test. Creates a context and fetches the meter |
| * codec. |
| */ |
| @Before |
| public void setUp() { |
| context = new MockCodecContext(); |
| meterCodec = context.codec(Meter.class); |
| assertThat(meterCodec, notNullValue()); |
| |
| expect(mockCoreService.registerApplication(MeterCodec.REST_APP_ID)) |
| .andReturn(APP_ID).anyTimes(); |
| replay(mockCoreService); |
| context.registerService(CoreService.class, mockCoreService); |
| } |
| |
| /** |
| * Tests encoding of a Meter object. |
| */ |
| @Test |
| public void testMeterEncode() { |
| Band band1 = DefaultBand.builder() |
| .ofType(Band.Type.DROP) |
| .burstSize(10) |
| .withRate(10).build(); |
| Band band2 = DefaultBand.builder() |
| .ofType(Band.Type.REMARK) |
| .burstSize(10) |
| .withRate(10) |
| .dropPrecedence((short) 10).build(); |
| |
| Meter meter = DefaultMeter.builder() |
| .fromApp(APP_ID) |
| .withId(MeterId.meterId(1L)) |
| .forDevice(NetTestTools.did("d1")) |
| .withBands(ImmutableList.of(band1, band2)) |
| .withUnit(Meter.Unit.KB_PER_SEC).build(); |
| |
| ObjectNode meterJson = meterCodec.encode(meter, context); |
| assertThat(meterJson, matchesMeter(meter)); |
| } |
| |
| /** |
| * Test decoding of a Meter object. |
| */ |
| @Test |
| public void testMeterDecode() throws IOException { |
| Meter meter = getMeter("simple-meter.json"); |
| checkCommonData(meter); |
| |
| assertThat(meter.bands().size(), is(1)); |
| Band band = meter.bands().iterator().next(); |
| assertThat(band.type().toString(), is("REMARK")); |
| assertThat(band.rate(), is(10L)); |
| assertThat(band.dropPrecedence(), is((short) 20)); |
| assertThat(band.burst(), is(30L)); |
| } |
| |
| /** |
| * Checks that the data shared by all the resource is correct for a given meter. |
| * |
| * @param meter meter to check |
| */ |
| private void checkCommonData(Meter meter) { |
| assertThat(meter.id().id(), is(1L)); |
| assertThat(meter.deviceId().toString(), is("of:0000000000000001")); |
| assertThat(meter.appId(), is(APP_ID)); |
| assertThat(meter.unit().toString(), is("KB_PER_SEC")); |
| } |
| |
| /** |
| * Reads in a meter from the given resource and decodes it. |
| * |
| * @param resourceName resource to use to read the JSON for the rule |
| * @return decoded meter |
| * @throws IOException if processing the resource fails |
| */ |
| private Meter getMeter(String resourceName) throws IOException { |
| InputStream jsonStream = MeterCodecTest.class.getResourceAsStream(resourceName); |
| JsonNode json = context.mapper().readTree(jsonStream); |
| assertThat(json, notNullValue()); |
| Meter meter = meterCodec.decode((ObjectNode) json, context); |
| assertThat(meter, notNullValue()); |
| return meter; |
| } |
| } |