fix: Created new test for running topology generation manually from t…

…he IDE, and removed main() from TopologyFileGenerator (#3609)

ksql-functional-tests/src/test/java/io/confluent/ksql/test/ManualTopologyFileGeneratorTest.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2019 Confluent Inc.
+ *
+ * Licensed under the Confluent Community License (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.confluent.io/confluent-community-license
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OF ANY KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package io.confluent.ksql.test;
+
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * This test exists only to be able to generate topologies as part of the release process
+ * It can be run manually from the IDE
+ * It is deliberately excluded from the test suite
+ */
+@Ignore
+public final class ManualTopologyFileGeneratorTest {
+
+    @Test
+    public void manuallyGenerateTopologies() throws Exception {
+        TopologyFileGenerator.generateTopologies();
+    }
+}

ksql-functional-tests/src/test/java/io/confluent/ksql/test/TopologyFileGenerator.java

@@ -81,10 +81,6 @@ public final class TopologyFileGenerator {
     private TopologyFileGenerator() {
     }
 
-    public static void main(final String[] args) throws Exception {
-        generateTopologies(findBaseDir());
-    }
-
     static Path findBaseDir() {
         Path path = Paths.get("./ksql-functional-tests");
         if (Files.exists(path)) {
@@ -99,6 +95,10 @@ static Path findBaseDir() {
             + "root of the ksql-functional-tests module");
     }
 
+    static void generateTopologies() throws Exception {
+        generateTopologies(findBaseDir());
+    }
+
     static void generateTopologies(final Path base) throws Exception {
         final String formattedVersion = getFormattedVersionFromPomFile();
         final Path generatedTopologyPath = base.resolve(formattedVersion);