[ONOS-7683] Add JSON codecs for FlowInfo and StatsInfo with tests
Change-Id: I12560e5f72e704a72a59465de347ddb32051aabb
diff --git a/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/codec/StatsInfoJsonMatcher.java b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/codec/StatsInfoJsonMatcher.java
new file mode 100644
index 0000000..ffebaf5
--- /dev/null
+++ b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/codec/StatsInfoJsonMatcher.java
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.openstacktelemetry.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.onosproject.openstacktelemetry.api.StatsInfo;
+
+/**
+ * Hamcrest matcher for StatsInfoJsonCodec.
+ */
+public final class StatsInfoJsonMatcher extends TypeSafeDiagnosingMatcher<JsonNode> {
+
+ private final StatsInfo statsInfo;
+
+ private static final String STARTUP_TIME = "startupTime";
+ private static final String FST_PKT_ARR_TIME = "fstPktArrTime";
+ private static final String LST_PKT_OFFSET = "lstPktOffset";
+ private static final String PREV_ACC_BYTES = "prevAccBytes";
+ private static final String PREV_ACC_PKTS = "prevAccPkts";
+ private static final String CURR_ACC_BYTES = "currAccBytes";
+ private static final String CURR_ACC_PKTS = "currAccPkts";
+ private static final String ERROR_PKTS = "errorPkts";
+ private static final String DROP_PKTS = "dropPkts";
+
+ private StatsInfoJsonMatcher(StatsInfo statsInfo) {
+ this.statsInfo = statsInfo;
+ }
+
+ @Override
+ protected boolean matchesSafely(JsonNode jsonNode, Description description) {
+
+ // check startup time
+ long jsonStartupTime = jsonNode.get(STARTUP_TIME).asLong();
+ long startupTime = statsInfo.startupTime();
+ if (jsonStartupTime != startupTime) {
+ description.appendText("startup time was " + jsonStartupTime);
+ return false;
+ }
+
+ // check first packet arrival time
+ long jsonFstPktArrTime = jsonNode.get(FST_PKT_ARR_TIME).asLong();
+ long fstPktArrTime = statsInfo.fstPktArrTime();
+ if (jsonFstPktArrTime != fstPktArrTime) {
+ description.appendText("first packet arrival time was " + jsonFstPktArrTime);
+ return false;
+ }
+
+ // check last packet offset
+ int jsonLstPktOffset = jsonNode.get(LST_PKT_OFFSET).asInt();
+ int lstPktOffset = statsInfo.lstPktOffset();
+ if (jsonLstPktOffset != lstPktOffset) {
+ description.appendText("last packet offset was " + jsonLstPktOffset);
+ return false;
+ }
+
+ // check previous accumulated bytes
+ long jsonPrevAccBytes = jsonNode.get(PREV_ACC_BYTES).asLong();
+ long preAccBytes = statsInfo.prevAccBytes();
+ if (jsonPrevAccBytes != preAccBytes) {
+ description.appendText("previous accumulated bytes was " + jsonPrevAccBytes);
+ return false;
+ }
+
+ // check previous accumulated packets
+ int jsonPreAccPkts = jsonNode.get(PREV_ACC_PKTS).asInt();
+ int preAccPkts = statsInfo.prevAccPkts();
+ if (jsonPreAccPkts != preAccPkts) {
+ description.appendText("previous accumulated packets was " + jsonPreAccPkts);
+ return false;
+ }
+
+ // check current accumulated bytes
+ long jsonCurrAccBytes = jsonNode.get(CURR_ACC_BYTES).asLong();
+ long currAccBytes = statsInfo.currAccBytes();
+ if (jsonCurrAccBytes != currAccBytes) {
+ description.appendText("current accumulated bytes was " + jsonCurrAccBytes);
+ return false;
+ }
+
+ // check current accumulated packets
+ int jsonCurrAccPkts = jsonNode.get(CURR_ACC_PKTS).asInt();
+ int currAccPkts = statsInfo.currAccPkts();
+ if (jsonCurrAccPkts != currAccPkts) {
+ description.appendText("current accumulated packets was " + jsonCurrAccPkts);
+ return false;
+ }
+
+ // check error packets
+ short jsonErrorPkts = (short) jsonNode.get(ERROR_PKTS).asInt();
+ short errorPkts = statsInfo.errorPkts();
+ if (jsonErrorPkts != errorPkts) {
+ description.appendText("error packets was " + jsonErrorPkts);
+ return false;
+ }
+
+ // check drop packets
+ short jsonDropPkts = (short) jsonNode.get(DROP_PKTS).asInt();
+ short dropPkts = statsInfo.dropPkts();
+ if (jsonDropPkts != dropPkts) {
+ description.appendText("drop packets was " + jsonDropPkts);
+ return false;
+ }
+
+ return true;
+ }
+
+ @Override
+ public void describeTo(Description description) {
+ description.appendText(statsInfo.toString());
+ }
+
+ /**
+ * Factory to allocate a stats info matcher.
+ *
+ * @param statsInfo stats info object we are looking for
+ * @return matcher
+ */
+ public static StatsInfoJsonMatcher matchStatsInfo(StatsInfo statsInfo) {
+ return new StatsInfoJsonMatcher(statsInfo);
+ }
+}