update some helper java

src/test/java/cucumber/SingleScenerio.java

@@ -0,0 +1,57 @@
+package cucumber;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import gov.nasa.pds.validate.ValidateLauncher;
+import gov.nasa.pds.validate.constants.TestConstants;
+
+public class SingleScenerio {
+  public static void main(String[] args) throws NumberFormatException, IOException {
+    if (args.length > 2 || args.length == 0) {
+      System.out.println ("usage: <issue number> <subtest>");
+      System.out.println ("  <issue number> is the first column in the feature file like 1066");
+      System.out.println ("  <subtest> is the second column and should be omitted if there are no subtests for the <issue number>");
+      return;
+    }
+
+    for (File file : Paths.get(TestConstants.TEST_DATA_DIR, "features").toFile().listFiles((dir, name) -> name.endsWith(".feature"))) {
+      for (String line : Files.readAllLines(file.toPath())) {
+        line = line.strip();
+        if (line.startsWith("|")) {
+          String[] scenerio = line.split("\\|");
+          if (scenerio[1].strip().equals(args[0])) {
+            if (args.length == 1 && !scenerio[2].strip().isBlank()) {
+              System.out.println ("Scenerio " + args[0] + " requires a subtest value too.");
+              return;
+            }
+            if (args.length == 2 && scenerio[2].strip().isBlank()) {
+              System.out.println ("Scenerio " + args[0] + " does not require a subtest value.");
+              return;
+            }
+            if (args.length == 2 && !args[1].equals(scenerio[2].strip())) continue;
+            StepDefs engine = new StepDefs();
+            System.out.println("an_and");
+            engine.an_and(
+                Integer.valueOf(scenerio[1].strip()),
+                args.length == 1 ? null : Integer.valueOf(scenerio[2].strip()),
+                scenerio[3].strip().substring(1, scenerio[3].strip().length()-1));
+            System.out.println("execute_validate");
+            engine.execute_validate (scenerio[4].strip().substring(1,scenerio[4].strip().length()-1));
+            System.out.println ("compare_to_the");
+            engine.compare_to_the(scenerio[5].strip().isBlank() ? null :
+              scenerio[5].strip().substring(1, scenerio[5].strip().length()-1));
+            System.out.println ("success");
+            return;
+          }
+        }
+      }
+    }
+    System.out.print ("Could not find issue number " + args[0]);
+    if (args.length == 2) System.out.print (" and subtest " + args[1]);
+    System.out.println();
+    return;
+  }
+}

src/test/java/gov/nasa/pds/validate/RunFeatureScenerioAsValidateFromCLI.java

@@ -11,7 +11,7 @@
 
 public class RunFeatureScenerioAsValidateFromCLI {
   public static void main(String[] args) throws IOException, TransformerConfigurationException {
-    if (args.length > 2) {
+    if (args.length > 2 || args.length == 0) {
       System.out.println ("usage: <issue number> <subtest>");
       System.out.println ("  <issue number> is the first column in the feature file like 1066");
       System.out.println ("  <subtest> is the second column and should be omitted if there are no subtests for the <issue number>");