diff --git a/configure.py b/configure.py
index 2336fcc..9d1c2ab 100755
--- a/configure.py
+++ b/configure.py
@@ -99,11 +99,6 @@ class Projects():
             project.post_clone_setup()
             logging.debug(project)
 
-            # fetch the wokwi source
-            if args.clone_all:
-                if not project.is_fill() and project.is_wokwi():
-                    project.fetch_wokwi_files()
-
             if args.harden:
                 if filler is False:
                     project.create_user_config()
diff --git a/git_utils.py b/git_utils.py
index aa75837..495e4ad 100644
--- a/git_utils.py
+++ b/git_utils.py
@@ -3,7 +3,9 @@ from urllib.parse import urlparse
 import logging
 import requests
 import os
-import zipfile, io
+import zipfile
+import io
+import errno
 
 
 def unique(duplist):
@@ -21,7 +23,7 @@ def fetch_file(url, filename):
     r = requests.get(url)
     if r.status_code != 200:
         logging.warning("couldn't download {}".format(url))
-        exit(1)
+        raise FileNotFoundError(errno.ENOENT, os.strerror(errno.ENOENT), filename)
 
     with open(filename, 'wb') as fh:
         logging.info("written to {}".format(filename))
diff --git a/project.py b/project.py
index aa94e97..a122775 100644
--- a/project.py
+++ b/project.py
@@ -293,15 +293,54 @@ class Project():
     def fetch_wokwi_files(self):
         logging.info("fetching wokwi files")
         src_file = self.src_files[0]
-        url = "https://wokwi.com/api/projects/{}/verilog".format(self.wokwi_id)
+        url = f"https://wokwi.com/api/projects/{self.wokwi_id}/verilog"
         git_utils.fetch_file(url, os.path.join(self.local_dir, "src", src_file))
 
         # also fetch the wokwi diagram
-        url = "https://wokwi.com/api/projects/{}/diagram.json".format(self.wokwi_id)
+        url = f"https://wokwi.com/api/projects/{self.wokwi_id}/diagram.json"
         diagram_file = "wokwi_diagram.json"
         git_utils.fetch_file(url, os.path.join(self.local_dir, "src", diagram_file))
 
+        # attempt to download the *optional* truthtable for the project
+        truthtable_file = "truthtable.md"
+        url = f"https://wokwi.com/api/projects/{self.wokwi_id}/{truthtable_file}"
+        try:
+            git_utils.fetch_file(url, os.path.join(self.local_dir, "src", truthtable_file))
+            logging.info(f'Wokwi project {self.wokwi_id} has a truthtable included, will test!')
+            self.install_wokwi_testing()
+        except FileNotFoundError:
+            pass
+
+    def install_wokwi_testing(self, destination_dir='src', resource_dir=None):
+        if resource_dir is None or not len(resource_dir):
+            resource_dir = os.path.join(os.path.dirname(__file__), 'testing')
+
+        # directories in testing/lib to copy over
+        pyLibsDir = os.path.join(resource_dir, 'lib')
+
+        # src template dir
+        srcTplDir = os.path.join(resource_dir, 'src-tpl')
+
+        for libfullpath in glob.glob(os.path.join(pyLibsDir, '*')):
+            logging.info(f'Copying {libfullpath} to {destination_dir}')
+            shutil.copytree(
+                libfullpath,
+                os.path.join(destination_dir, os.path.basename(libfullpath)),
+                dirs_exist_ok=True)
+
+        for srcTemplate in glob.glob(os.path.join(srcTplDir, '*')):
+            with open(srcTemplate, 'r') as f:
+                contents = f.read()
+                customizedContents = re.sub('WOKWI_ID', str(self.wokwi_id), contents)
+                outputFname = os.path.basename(srcTemplate)
+                with open(os.path.join(destination_dir, outputFname), 'w') as outf:
+                    logging.info(f'writing src tpl to {outputFname}')
+                    outf.write(customizedContents)
+                    outf.close()
+
     def create_user_config(self):
+        if self.is_wokwi():
+            self.fetch_wokwi_files()
         logging.info("creating include file")
         filename = 'user_config.tcl'
         with open(os.path.join(self.local_dir, 'src', filename), 'w') as fh: