protocol coder junits

Change-Id: I7a02a8767dbb19724715e057b1da82f7045d6a44
Issue-ID: POLICY-583
Signed-off-by: Jorge Hernandez <jh1730@att.com>

1 files changed, 242 insertions, 0 deletions

diff --git a/policy-management/src/test/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolsetTest.java b/policy-management/src/test/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolsetTest.java
new file mode 100644
index 00000000..b91ad4a0
--- /dev/null
+++ b/policy-management/src/test/java/org/onap/policy/drools/protocol/coders/ProtocolCoderToolsetTest.java
@@ -0,0 +1,242 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.protocol.coders;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
+import com.fasterxml.jackson.annotation.PropertyAccessor;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.kie.api.builder.ReleaseId;
+import org.onap.policy.drools.controller.DroolsController;
+import org.onap.policy.drools.controller.internal.MavenDroolsControllerTest;
+import org.onap.policy.drools.event.comm.TopicEndpoint;
+import org.onap.policy.drools.event.comm.TopicSink;
+import org.onap.policy.drools.properties.PolicyProperties;
+import org.onap.policy.drools.protocol.coders.EventProtocolCoder.CoderFilters;
+import org.onap.policy.drools.protocol.coders.JsonProtocolFilter.FilterRule;
+import org.onap.policy.drools.util.KieUtils;
+import org.onap.policy.drools.utils.Triple;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * ProtocolCoder Toolset JUNITs
+ */
+public class ProtocolCoderToolsetTest {
+    public static final String JUNIT_PROTOCOL_CODER_ARTIFACT_ID = "protocolcoder";
+    public static final String JUNIT_PROTOCOL_CODER_TOPIC = JUNIT_PROTOCOL_CODER_ARTIFACT_ID;
+
+    private static Logger logger = LoggerFactory.getLogger(ProtocolCoderToolset.class);
+
+    private volatile ReleaseId releaseId;
+
+    @Before
+    public void setUp() throws IOException {
+        if (releaseId != null)
+            return;
+
+        String pom = new String(Files.readAllBytes
+            (Paths.get(MavenDroolsControllerTest.JUNIT_ECHO_KMODULE_POM_PATH)));
+
+        if (!pom.contains("<artifactId>echo</artifactId>"))
+            throw new IllegalArgumentException("unexpected junit test pom");
+
+        String newPom = pom.replace("echo",  JUNIT_PROTOCOL_CODER_ARTIFACT_ID);
+
+        String kmodule = new String(Files.readAllBytes
+            (Paths.get(MavenDroolsControllerTest.JUNIT_ECHO_KMODULE_PATH)));
+
+        String drl = new String(Files.readAllBytes
+            (Paths.get(MavenDroolsControllerTest.JUNIT_ECHO_KMODULE_DRL_PATH)));
+
+        releaseId =
+            KieUtils.installArtifact(kmodule, newPom,
+                    MavenDroolsControllerTest.JUNIT_ECHO_KJAR_DRL_PATH, drl);
+    }
+
+    @Test
+    public void testGsonToolset() {
+        if (releaseId == null)
+            throw new IllegalStateException("no prereq artifact installed in maven repository");
+
+        JsonProtocolFilter protocolFilter = createFilterSet();
+
+        GsonProtocolCoderToolset gsonToolset =
+            new GsonProtocolCoderToolset(JUNIT_PROTOCOL_CODER_TOPIC,
+                "blah",
+                this.releaseId.getGroupId(),
+                this.releaseId.getArtifactId(),
+                Triple.class.getCanonicalName(),
+                protocolFilter,
+                null,
+                12345678);
+
+        Assert.assertNotNull(gsonToolset.getEncoder());
+        Assert.assertNotNull(gsonToolset.getDecoder());
+
+        testToolset(protocolFilter, gsonToolset);
+    }
+
+    @Test
+    public void testJacksonToolset() {
+        if (releaseId == null)
+            throw new IllegalStateException("no prereq artifact installed in maven repository");
+
+        JsonProtocolFilter protocolFilter = createFilterSet();
+
+        JacksonProtocolCoderToolset jacksonToolset =
+            new JacksonProtocolCoderToolset(JUNIT_PROTOCOL_CODER_TOPIC,
+                "blah",
+                this.releaseId.getGroupId(),
+                this.releaseId.getArtifactId(),
+                Triple.class.getCanonicalName(),
+                protocolFilter,
+                null,
+                12345678);
+
+        jacksonToolset.getEncoder().setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
+        jacksonToolset.getDecoder().setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
+
+        testToolset(protocolFilter, jacksonToolset);
+    }
+
+    private JsonProtocolFilter createFilterSet() {
+        List<FilterRule> filters = new ArrayList<>();
+        filters.add(new FilterRule("first", ".*"));
+        filters.add(new FilterRule("second", "^blah.*"));
+        filters.add(new FilterRule("third", "^hello$"));
+
+        return new JsonProtocolFilter(filters);
+    }
+
+    private void testToolset(JsonProtocolFilter protocolFilter, ProtocolCoderToolset coderToolset) {
+
+        Assert.assertTrue("blah".equals(coderToolset.getControllerId()));
+        Assert.assertTrue(this.releaseId.getGroupId().equals(coderToolset.getGroupId()));
+        Assert.assertTrue(this.releaseId.getArtifactId().equals(coderToolset.getArtifactId()));
+        Assert.assertNull(coderToolset.getCustomCoder());
+
+        Assert.assertTrue(coderToolset.getCoders().size() == 1);
+
+        CoderFilters coderFilters = coderToolset.getCoder("blah");
+        Assert.assertTrue(coderFilters == null);
+
+        coderFilters = coderToolset.getCoder(Triple.class.getCanonicalName());
+        Assert.assertNotNull(coderFilters);
+
+        Assert.assertEquals(coderFilters.getFilter(), protocolFilter);
+
+        List<FilterRule> filters = new ArrayList<>();
+        filters.add(new FilterRule("third", ".*"));
+        coderToolset.addCoder(Triple.class.getCanonicalName(),
+            new JsonProtocolFilter(filters), 654321);
+
+        Assert.assertTrue(coderToolset.getCoders().size() == 1);
+
+        Assert.assertTrue
+            (coderToolset.getCoder(Triple.class.getCanonicalName()).
+                getModelClassLoaderHash() == 654321);
+
+        Assert.assertTrue
+            (coderToolset.getCoder(Triple.class.getCanonicalName()).
+                getFilter().getRules("third").size() == 1);
+
+        Assert.assertTrue
+            (coderToolset.getCoder(Triple.class.getCanonicalName()).
+                getFilter().getRules("third").size() == 1);
+
+        Assert.assertTrue
+            (".*".equals(coderToolset.getCoder(Triple.class.getCanonicalName()).
+                getFilter().getRules("third").get(0).getRegex()));
+
+        coderToolset.addCoder("blah", new JsonProtocolFilter(filters),654321);
+        Assert.assertTrue(coderToolset.getCoders().size() == 2);
+
+        coderToolset.removeCoders("blah");
+        Assert.assertTrue(coderToolset.getCoders().size() == 1);
+
+        /* restore original filters */
+        coderToolset.addCoder(Triple.class.getCanonicalName(), protocolFilter, 654321);
+
+        Triple<String, String, String> triple =
+            new Triple<>("v1", "v2", "v3");
+
+        String tripleEncoded = coderToolset.encode(triple);
+        Assert.assertTrue(!tripleEncoded.isEmpty());
+
+        Properties sinkConfig = new Properties();
+        sinkConfig.put(PolicyProperties.PROPERTY_NOOP_SINK_TOPICS, JUNIT_PROTOCOL_CODER_TOPIC);
+        List<? extends TopicSink> noopTopics =
+            TopicEndpoint.manager.addTopicSinks(sinkConfig);
+
+        Properties droolsControllerConfig = new Properties();
+        droolsControllerConfig.put(PolicyProperties.RULES_GROUPID, releaseId.getGroupId());
+        droolsControllerConfig.put(PolicyProperties.RULES_ARTIFACTID, releaseId.getArtifactId());
+        droolsControllerConfig.put(PolicyProperties.RULES_VERSION, releaseId.getVersion());
+        droolsControllerConfig.put(PolicyProperties.PROPERTY_NOOP_SINK_TOPICS + "." +
+                JUNIT_PROTOCOL_CODER_TOPIC + PolicyProperties.PROPERTY_TOPIC_EVENTS_SUFFIX,
+                 Triple.class.getCanonicalName());
+
+        DroolsController droolsController =
+            DroolsController.factory.build(droolsControllerConfig, null, noopTopics);
+
+        Triple<String, String, String> tripleDecoded = null;
+        try {
+            tripleDecoded =
+                (Triple<String, String, String>) coderToolset.decode(tripleEncoded);
+        } catch(UnsupportedOperationException e){
+            logger.trace("Junit expected exception - decode does not pass filtering", e);
+        }
+
+        coderFilters = coderToolset.getCoder(Triple.class.getCanonicalName());
+        Assert.assertTrue(coderFilters.getCodedClass() == Triple.class.getCanonicalName());
+        Assert.assertTrue(coderFilters.getFilter() == protocolFilter);
+        Assert.assertTrue(coderFilters.getFilter().getRules("second").size() == 1);
+        Assert.assertTrue(coderFilters.getFilter().getRules("third").size() == 1);
+
+        coderFilters.getFilter().getRules("second").get(0).setRegex("^v2$");
+        coderFilters.getFilter().getRules("third").get(0).setRegex(".*v3.*");
+
+        tripleDecoded =
+            (Triple<String, String, String>) coderToolset.decode(tripleEncoded);
+
+        Assert.assertTrue(tripleDecoded.first().equals(triple.first()));
+        Assert.assertTrue(tripleDecoded.second().equals(triple.second()));
+        Assert.assertTrue(tripleDecoded.third().equals(triple.third()));
+
+        coderFilters.getFilter().deleteRules("third");
+        Assert.assertTrue(coderFilters.getFilter().getRules("third").isEmpty());
+
+        tripleDecoded =
+            (Triple<String, String, String>) coderToolset.decode(tripleEncoded);
+
+        Assert.assertTrue(tripleDecoded.first().equals(triple.first()));
+        Assert.assertTrue(tripleDecoded.second().equals(triple.second()));
+        Assert.assertTrue(tripleDecoded.third().equals(triple.third()));
+    }
+}