Adding in Integration Test for the Tab Completion build changes.

src/test/java/org/broadinstitute/hellbender/utils/test/TabCompletionSmokeTest.java

@@ -0,0 +1,84 @@
+package org.broadinstitute.hellbender.utils.test;
+
+import org.broadinstitute.barclay.help.BashTabCompletionDoclet;
+import org.broadinstitute.hellbender.CommandLineProgramTest;
+import org.broadinstitute.hellbender.cmdline.ClassFinder;
+import org.broadinstitute.hellbender.cmdline.CommandLineProgram;
+import org.broadinstitute.hellbender.utils.help.GATKHelpDoclet;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Date;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * Smoke test to run tab completion generation on a subset of classes to make sure it doesn't regress.
+ */
+public class TabCompletionSmokeTest extends CommandLineProgramTest {
+
+    /**
+     * Entry point for manually running the gatkTabComplete process on a subset of packages from within GATK.
+     */
+    private static List<String> tabCompletionTestPackages;
+
+    // Static block to initialize tabCompletionTestPackages:
+    static {
+        ClassFinder classFinder = new ClassFinder();
+        classFinder.find("org.broadinstitute.hellbender", CommandLineProgram.class);
+        tabCompletionTestPackages = classFinder.getClasses().stream().map(Class::getName).collect(Collectors.toList());
+    }
+
+    @Test
+    public static void documentationSmokeTest() throws IOException {
+        File tabCompletionTestTarget = createTempDir("tabCompletionTest");
+
+        String[] argArray = new String[]{
+
+                "-doclet", BashTabCompletionDoclet.class.getName(),
+                "-docletpath", "build/libs/",
+                "-sourcepath", "src/main/java",
+                "-d", tabCompletionTestTarget.getAbsolutePath(), // directory must exist
+                "-cp", System.getProperty("java.class.path"),
+
+                "-use-default-templates",
+
+                "-output-file-extension", "sh",
+                "-index-file-extension", "sh",
+                "-absolute-version", "0.0-001",
+                "-build-timestamp", new SimpleDateFormat("dd-mm-yyyy hh:mm:ss").format( new Date() ),
+
+                "-caller-script-name", "gatk-launch",
+
+                "-caller-pre-legal-args", "--help --list --dryRun --javaOptions",
+                "-caller-pre-arg-val-types", "null null null String",
+                "-caller-pre-mutex-args", "--help;list,dryRun,javaOptions --list;help,dryRun,javaOptions",
+                "-caller-pre-alias-args", "--help;-h",
+                "-caller-pre-arg-min-occurs", "0 0 0 0",
+                "-caller-pre-arg-max-occurs", "1 1 1 1",
+
+                "-caller-post-legal-args", "--sparkRunner --spark-master --cluster --dryRun --javaOptions --conf --driver-memory --driver-cores --executor-memory --executor-cores --num-executors",
+                "-caller-post-arg-val-types", "String String String null String file int int int int int",
+                "-caller-post-mutex-args", "",
+                "-caller-post-alias-args", "",
+                "-caller-post-arg-min-occurs", "0 0 0 0 0 0 0 0 0 0",
+                "-caller-post-arg-max-occurs", "1 1 1 1 1 1 1 1 1 1",
+
+                "-verbose",
+        };
+
+        final List<String> docArgList = new ArrayList<>();
+        docArgList.addAll(Arrays.asList(argArray));
+        docArgList.addAll(tabCompletionTestPackages);
+
+        // This is  smoke test; we just want to make sure it doesn't blow up
+        int success = com.sun.tools.javadoc.Main.execute(docArgList.toArray(new String[]{}));
+        Assert.assertEquals(success, 0, "Failure processing gatkTabComplete via javadoc");
+    }
+
+}