Calls new render limit method from filter

src/main/java/com/hubspot/jinjava/interpret/JinjavaInterpreter.java

@@ -75,6 +75,8 @@
 public class JinjavaInterpreter implements PyishSerializable {
   public static final String IGNORED_OUTPUT_FROM_EXTENDS_NOTE =
     "ignored_output_from_extends";
+  public static final long NO_LIMIT = -1;
+
   private final Multimap<String, BlockInfo> blocks = ArrayListMultimap.create();
   private final LinkedList<Node> extendParentRoots = new LinkedList<>();
   private final Map<String, RevertibleObject> revertibleObjects = new HashMap<>();
@@ -94,7 +96,6 @@ public class JinjavaInterpreter implements PyishSerializable {
   private final Set<Integer> errorSet = new HashSet<>();
 
   private static final int MAX_ERROR_SIZE = 100;
-  private static final long NO_LIMIT = -1;
 
   public JinjavaInterpreter(
     Jinjava application,
@@ -260,7 +261,11 @@ public String renderFlat(String template) {
    * @return rendered result
    */
   public String render(String template) {
-    return render(parse(template), true);
+    return render(template, NO_LIMIT);
+  }
+
+  public String render(String template, long renderLimit) {
+    return render(parse(template), true, renderLimit);
   }
 
   /**
@@ -287,7 +292,7 @@ public String render(Node root, boolean processExtendRoots) {
   }
 
   /**
-   * Rendee the given root node to a certain limit, processing extend parents.
+   * Render the given root node to a certain limit, processing extend parents.
    * @param root
    *          node to render
    * @param renderLimit

src/main/java/com/hubspot/jinjava/lib/filter/RenderFilter.java

@@ -5,6 +5,7 @@
 import com.hubspot.jinjava.doc.annotations.JinjavaSnippet;
 import com.hubspot.jinjava.interpret.JinjavaInterpreter;
 import java.util.Objects;
+import org.apache.commons.lang3.math.NumberUtils;
 
 @JinjavaDoc(
   value = "Renders a template string early to be used by other filters and functions",
@@ -25,11 +26,11 @@ public String getName() {
   @Override
   public Object filter(Object var, JinjavaInterpreter interpreter, String... args) {
     if (args.length > 0) {
-      /*
-       This means a render limit length has been provided.
-       Here we begin a left to right render where we add to an HTML string until the length reaches a certain limit.
-       */
-      return interpreter.render(Objects.toString(var));
+      String firstArg = args[0];
+      return interpreter.render(
+        Objects.toString(var),
+        NumberUtils.toLong(firstArg, JinjavaInterpreter.NO_LIMIT)
+      );
     }
     return interpreter.render(Objects.toString(var));
   }