Bump the version from 1.12.1 to 1.12.2 (#202)

* Bump the version from 1.12.1 to 1.12.2

* Bump the version for the user agent, make it dynamic, add test to check it matches the value from pom

* Adjust variable name and cleanup test

* Extract constants

pom.xml

@@ -15,7 +15,7 @@
     <groupId>com.amazonaws</groupId>
     <artifactId>amazon-kinesis-video-streams-producer-sdk-java</artifactId>
     <name>Amazon Kinesis Video Streams Producer SDK Java</name>
-    <version>1.12.1</version>
+    <version>1.12.2</version>
     <description>The Amazon Kinesis Video Streams Producer SDK for Java enables Java developers to ingest data into
         Amazon Kinesis Video.
     </description>
@@ -220,6 +220,15 @@
                 </configuration>
             </plugin>
         </plugins>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+                <includes>
+                    <include>**/pom.properties</include>
+                </includes>
+            </resource>
+        </resources>
     </build>
 </project>
 

src/main/java/com/amazonaws/kinesisvideo/util/VersionUtil.java

@@ -3,10 +3,24 @@
 import com.amazonaws.kinesisvideo.common.preconditions.Preconditions;
 
 import javax.annotation.Nonnull;
+import java.io.IOException;
+import java.util.Properties;
 
 public final class VersionUtil {
 
-    public static final String AWS_SDK_KVS_PRODUCER_VERSION_STRING = "1.9.5";
+    private static final String POM_PROPERTIES_FILE = "pom.properties";
+    private static final String POM_PROPERTIES_VERSION_KEY = "version";
+    public static final String AWS_SDK_KVS_PRODUCER_VERSION_STRING;
+
+    static {
+        try {
+            final Properties properties = new Properties();
+            properties.load(VersionUtil.class.getClassLoader().getResourceAsStream(POM_PROPERTIES_FILE));
+            AWS_SDK_KVS_PRODUCER_VERSION_STRING = properties.getProperty(POM_PROPERTIES_VERSION_KEY);
+        } catch (IOException e) {
+            throw new ExceptionInInitializerError("Unable to get project version from pom.xml: " + e);
+        }
+    }
 
     private static final String DEFAULT_USER_AGENT_NAME = "AWS-SDK-KVS";
 

src/main/resources/pom.properties

@@ -0,0 +1 @@
+version=${project.version}

src/test/java/com/amazonaws/kinesisvideo/util/VersionUtilTest.java

@@ -0,0 +1,60 @@
+package com.amazonaws.kinesisvideo.util;
+
+import org.junit.Test;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+import static com.amazonaws.kinesisvideo.util.VersionUtil.AWS_SDK_KVS_PRODUCER_VERSION_STRING;
+import static com.amazonaws.kinesisvideo.util.VersionUtil.getUserAgent;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class VersionUtilTest {
+
+    private static final String POM_XML_LOCATION = "pom.xml";
+
+    @Test
+    public void test_versionString_isNotNullOrEmpty() {
+        final String producerVersionString = AWS_SDK_KVS_PRODUCER_VERSION_STRING;
+        assertNotNull(producerVersionString);
+        assertNotEquals("", producerVersionString);
+    }
+
+    @Test
+    public void test_versionString_isEqualToDeclaredInPomXML() throws IOException {
+        final String producerVersionString = extractVersionFromPomXML();
+
+        assertNotNull("project.version was not found in pom.xml!", producerVersionString);
+        assertNotEquals("", producerVersionString);
+        assertEquals(producerVersionString, AWS_SDK_KVS_PRODUCER_VERSION_STRING);
+    }
+
+    @Test
+    public void test_userAgent_containsProjectVersion() throws IOException {
+        final String userAgent = getUserAgent();
+        final String pomDefinedProjectVersion = extractVersionFromPomXML();
+
+        assertNotNull(userAgent);
+        assertNotEquals("", userAgent);
+
+        assertNotNull(pomDefinedProjectVersion);
+        assertNotEquals("", pomDefinedProjectVersion);
+
+        assertTrue(userAgent.contains(pomDefinedProjectVersion));
+    }
+
+    private String extractVersionFromPomXML() throws IOException {
+        try (final BufferedReader reader = new BufferedReader(new FileReader(POM_XML_LOCATION))) {
+            return reader.lines()
+                    .filter(line -> line.contains("<version>"))
+                    .map(line -> line.replace("<version>", "")
+                            .replace("</version>", "").trim())
+                    .findFirst()
+                    .orElseThrow(() -> new IllegalStateException("'<version>projectVersion</version>' is not found in " + POM_XML_LOCATION));
+        }
+    }
+}