fixes #1567

Author: jph00

nbdev/test.py

@@ -28,7 +28,8 @@ def test_nb(fn,  # file name of notebook to test
             force_flags=None,  # list of flags marking cells to always run
             do_print=False,  # print completion?
             showerr=True,  # print errors to stderr?
-            basepath=None):  # path to add to sys.path
+            basepath=None,  # path to add to sys.path
+            verbose=False):  # stream stdout/stderr from cells to console?
     "Execute tests in notebook in `fn` except those with `skip_flags`"
     if basepath: sys.path.insert(0, str(basepath))
     if not IN_NOTEBOOK: os.environ["IN_TEST"] = '1'
@@ -49,7 +50,7 @@ def _no_eval(cell):
     if do_print: print(f'Starting {fn}')
     try:
         with working_directory(fn.parent):
-            k.run_all(nb, exc_stop=True, preproc=_no_eval)
+            k.run_all(nb, exc_stop=True, preproc=_no_eval, verbose=verbose)
             res = True
     except: 
         if showerr: sys.stderr.write(k.prettytb(fname=fn)+'\n')
@@ -76,6 +77,7 @@ def nbdev_test(
     do_print:bool=False, # Print start and end of each notebook
     pause:float=0.01,  # Pause time (in seconds) between notebooks to avoid race conditions
     ignore_fname:str='.notest', # Filename that will result in siblings being ignored
+    verbose:bool=False, # Print stdout/stderr from notebook cells?
     **kwargs):
     "Test in parallel notebooks matching `path`, passing along `flags`"
     skip_flags = get_config().tst_flags
@@ -90,7 +92,7 @@ def nbdev_test(
     wd_pth = get_config().nbs_path
     with working_directory(wd_pth if (wd_pth and wd_pth.exists()) else os.getcwd()):
         results = parallel(test_nb, files, skip_flags=skip_flags, force_flags=force_flags, n_workers=n_workers,
-                           basepath=get_config().config_path, pause=pause, do_print=do_print, **kw)
+                           basepath=get_config().config_path, pause=pause, do_print=do_print, verbose=verbose, **kw)
     passed,times = zip(*results)
     if all(passed): print("Success.")
     else: 

nbs/api/12_test.ipynb

@@ -58,7 +58,8 @@
     "            force_flags=None,  # list of flags marking cells to always run\n",
     "            do_print=False,  # print completion?\n",
     "            showerr=True,  # print errors to stderr?\n",
-    "            basepath=None):  # path to add to sys.path\n",
+    "            basepath=None,  # path to add to sys.path\n",
+    "            verbose=False):  # stream stdout/stderr from cells to console?\n",
     "    \"Execute tests in notebook in `fn` except those with `skip_flags`\"\n",
     "    if basepath: sys.path.insert(0, str(basepath))\n",
     "    if not IN_NOTEBOOK: os.environ[\"IN_TEST\"] = '1'\n",
@@ -79,7 +80,7 @@
     "    if do_print: print(f'Starting {fn}')\n",
     "    try:\n",
     "        with working_directory(fn.parent):\n",
-    "            k.run_all(nb, exc_stop=True, preproc=_no_eval)\n",
+    "            k.run_all(nb, exc_stop=True, preproc=_no_eval, verbose=verbose)\n",
     "            res = True\n",
     "    except: \n",
     "        if showerr: sys.stderr.write(k.prettytb(fname=fn)+'\\n')\n",
@@ -170,6 +171,7 @@
     "    do_print:bool=False, # Print start and end of each notebook\n",
     "    pause:float=0.01,  # Pause time (in seconds) between notebooks to avoid race conditions\n",
     "    ignore_fname:str='.notest', # Filename that will result in siblings being ignored\n",
+    "    verbose:bool=False, # Print stdout/stderr from notebook cells?\n",
     "    **kwargs):\n",
     "    \"Test in parallel notebooks matching `path`, passing along `flags`\"\n",
     "    skip_flags = get_config().tst_flags\n",
@@ -184,7 +186,7 @@
     "    wd_pth = get_config().nbs_path\n",
     "    with working_directory(wd_pth if (wd_pth and wd_pth.exists()) else os.getcwd()):\n",
     "        results = parallel(test_nb, files, skip_flags=skip_flags, force_flags=force_flags, n_workers=n_workers,\n",
-    "                           basepath=get_config().config_path, pause=pause, do_print=do_print, **kw)\n",
+    "                           basepath=get_config().config_path, pause=pause, do_print=do_print, verbose=verbose, **kw)\n",
     "    passed,times = zip(*results)\n",
     "    if all(passed): print(\"Success.\")\n",
     "    else: \n",