Integrating tests for all supported targets

- A profile "rts" has been created which runs the integration tests. By default the the project containing the runtimes tests will not run so that users casually checking out and building the project do not have to install the tools required to test all the supported Antlr targets.

- The base test classes that are required for running the integration tests are downloaded from the other Antlr repos, dynamically added to the compile classpath and used by the currently checked in integration tests

To run the the full build with all the integration tests use the following:

mvn clean install -Prts

pom.xml

@@ -64,7 +64,6 @@
     <module>tool</module>
     <module>antlr4-maven-plugin</module>
     <module>antlr4-testgen-maven-plugin</module>
-    <module>runtime-testsuite</module>
   </modules>
 
   <properties>
@@ -117,5 +116,15 @@
         </plugin>
       </plugins>
     </pluginManagement>
-  </build>  
+  </build> 
+  
+  <profiles>
+    <profile>
+      <id>rts</id>
+      <modules>
+        <module>runtime-testsuite</module>
+      </modules>
+    </profile>  
+  </profiles>
+   
 </project>

runtime-testsuite/get.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Script we're using to get some of the test classes required for the other targets
+
+pwd=`pwd`
+dir="$pwd/test/org/antlr/v4/test/runtime"
+
+# python2
+wget https://raw.githubusercontent.com/antlr/antlr4-python2/master/tool/test/org/antlr/v4/test/runtime/python2/BasePython2Test.java -O $dir/python2/BasePython2Test.java
+
+# python3
+wget https://raw.githubusercontent.com/antlr/antlr4-python3/master/tool/test/org/antlr/v4/test/runtime/python3/BasePython3Test.java -O $dir/python3/BasePython3Test.java
+
+mkdir -p $dir/python
+
+wget https://raw.githubusercontent.com/antlr/antlr4-python3/master/tool/test/org/antlr/v4/test/runtime/python/BasePythonTest.java -O $dir/python/BasePythonTest.java
+
+# javascript
+wget https://raw.githubusercontent.com/antlr/antlr4-javascript/master/tool/test/org/antlr/v4/test/runtime/javascript/node/BaseTest.java -O $dir/javascript/node/BaseTest.java
+
+# csharp
+wget https://raw.githubusercontent.com/antlr/antlr4-csharp/master/tool/test/org/antlr/v4/test/runtime/csharp/BaseTest.java -O $dir/csharp/BaseTest.java

runtime-testsuite/pom.xml

@@ -28,6 +28,12 @@
       <artifactId>antlr4</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>org.antlr</groupId>
+      <artifactId>antlr4</artifactId>
+      <version>${project.version}</version>
+      <type>test-jar</type>
+    </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
@@ -38,5 +44,103 @@
 
   <build>
     <sourceDirectory>src</sourceDirectory>
+    <plugins>
+      <plugin>
+        <groupId>com.googlecode.maven-download-plugin</groupId>
+        <artifactId>download-maven-plugin</artifactId>
+        <version>1.2.1</version>
+        <configuration>
+          <skipCache>true</skipCache>
+        </configuration>
+        <executions>
+          <execution>
+            <id>python2</id>
+            <phase>generate-test-resources</phase>
+            <goals>
+              <goal>wget</goal>
+            </goals>
+            <configuration>
+              <url>https://raw.githubusercontent.com/antlr/antlr4-python2/master/tool/test/org/antlr/v4/test/runtime/python2/BasePython2Test.java</url>
+              <outputFileName>generated-sources/org/antlr/v4/test/runtime/python2/BasePython2Test.java</outputFileName>
+            </configuration>
+          </execution>
+          <execution>
+            <id>python3</id>
+            <phase>generate-test-resources</phase>
+            <goals>
+              <goal>wget</goal>
+            </goals>
+            <configuration>
+              <url>https://raw.githubusercontent.com/antlr/antlr4-python3/master/tool/test/org/antlr/v4/test/runtime/python3/BasePython3Test.java</url>
+              <outputFileName>generated-sources/org/antlr/v4/test/runtime/python3/BasePython3Test.java</outputFileName>
+            </configuration>
+          </execution>
+          <execution>
+            <id>python</id>
+            <phase>generate-test-resources</phase>
+            <goals>
+              <goal>wget</goal>
+            </goals>
+            <configuration>
+              <url>https://raw.githubusercontent.com/antlr/antlr4-python3/master/tool/test/org/antlr/v4/test/runtime/python/BasePythonTest.java</url>
+              <outputFileName>generated-sources/org/antlr/v4/test/runtime/python/BasePythonTest.java</outputFileName>
+            </configuration>
+          </execution>
+          <execution>
+            <id>javascript</id>
+            <phase>generate-test-resources</phase>
+            <goals>
+              <goal>wget</goal>
+            </goals>
+            <configuration>
+              <url>https://raw.githubusercontent.com/antlr/antlr4-javascript/master/tool/test/org/antlr/v4/test/runtime/javascript/node/BaseTest.java</url>
+              <outputFileName>generated-sources/org/antlr/v4/test/runtime/javascript/node/BaseTest.java</outputFileName>
+            </configuration>
+          </execution>
+          <execution>
+            <id>csharp</id>
+            <phase>generate-test-resources</phase>
+            <goals>
+              <goal>wget</goal>
+            </goals>
+            <configuration>
+              <url>https://raw.githubusercontent.com/antlr/antlr4-csharp/master/tool/test/org/antlr/v4/test/runtime/csharp/BaseTest.java</url>
+              <outputFileName>generated-sources/org/antlr/v4/test/runtime/csharp/BaseTest.java</outputFileName>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <version>1.8</version>
+        <executions>
+          <execution>
+            <id>add-test-source</id>
+            <phase>generate-test-sources</phase>
+            <goals>
+              <goal>add-test-source</goal>
+            </goals>
+            <configuration>
+              <sources>
+                <source>target/generated-sources</source>
+              </sources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <configuration>
+          <systemPropertyVariables>
+            <antlr-python2-runtime>../../antlr4-python2/src</antlr-python2-runtime>
+            <antlr-python3-runtime>../../antlr4-python3/src</antlr-python3-runtime>
+            <antlr-csharp-runtime-project>../../antlr4-csharp/runtime/CSharp/Antlr4.Runtime/Antlr4.Runtime.mono.csproj</antlr-csharp-runtime-project>
+            <antlr-javascript-runtime>../../antlr4-javascript/src</antlr-javascript-runtime>
+          </systemPropertyVariables>
+        </configuration>
+      </plugin>
+    </plugins>
   </build>
 </project>

tool/pom.xml

@@ -57,6 +57,17 @@
       </testResource>
     </testResources>    
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>test-jar</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>    
       <plugin>
         <groupId>org.antlr</groupId>
         <artifactId>antlr3-maven-plugin</artifactId>