use testipynb for tests

.travis.yml

@@ -10,7 +10,7 @@ env:
 
 # Setup anaconda
 before_install:
-    - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then
+  - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then
       wget http://repo.continuum.io/miniconda/Miniconda-3.8.3-Linux-x86_64.sh -O miniconda.sh;
     else
       wget http://repo.continuum.io/miniconda/Miniconda3-3.8.3-Linux-x86_64.sh -O miniconda.sh;

dev-requirements.txt

@@ -7,3 +7,4 @@ git+git://github.com/simpeg/simpeg.git@dev
 sphinx
 sphinx_rtd_theme
 nbsphinx
+testipynb

requirements.txt

@@ -3,4 +3,5 @@ scipy
 matplotlib
 ipywidgets
 jupyter
-git+git://github.com/simpeg/simpeg.git@dev
+discretize
+SimPEG

tests/test_notebooks.py

@@ -1,68 +1,17 @@
-import unittest
-import sys
 import os
-import subprocess
-
-# Testing for the notebooks - use nbconvert to execute all cells of the
-# notebook
-
-
-TESTDIR = os.path.abspath(__file__)
-NBDIR = os.path.sep.join(TESTDIR.split(os.path.sep)[:-2]) # where are the notebooks?
-
-def setUp():
-    nbpaths = []  # list of notebooks, with file paths
-    nbnames = []  # list of notebook names (for making the tests)
-
-    # walk the test directory and find all notebooks
-    for dirname, dirnames, filenames in os.walk(NBDIR):
-        for filename in filenames:
-            if filename.endswith('.ipynb') and not filename.endswith('-checkpoint.ipynb'):
-                nbpaths.append(os.path.abspath(dirname) + os.path.sep + filename) # get abspath of notebook
-                nbnames.append(''.join(filename[:-6])) # strip off the file extension
-    return nbpaths, nbnames
-
-
-def get(nbname, nbpath):
-
-    # use nbconvert to execute the notebook
-    def test_func(self):
-        print '\n--------------- Testing {0} ---------------'.format(nbname)
-        print '   {0}'.format(nbpath)
-        nbexe = subprocess.Popen(['jupyter', 'nbconvert', '{0}'.format(nbpath),
-                                  '--execute',
-                                  '--ExecutePreprocessor.timeout=120'],
-                                 stdin=subprocess.PIPE, stdout=subprocess.PIPE,
-                                 stderr=subprocess.PIPE)
-        output, err = nbexe.communicate()
-        check = nbexe.returncode
-        if check == 0:
-            print '\n ..... {0} Passed ..... \n'.format(nbname)
-        else:
-            print '\n <<<<< {0} FAILED >>>>> \n'.format(nbname)
-            print 'Captured Output: \n {0}'.format(err)
-
-        self.assertTrue(check == 0)
-
-    return test_func
-
-
-def tearDown():
-    subprocess.call(['find', '{0}'.format(os.path.sep.join(TESTDIR.split(os.path.sep)[:-1])),
-                    '-type', 'f', '-name', '*.html', '-delete'])
-
-
-attrs = dict()
-nbpaths, nbnames = setUp()
+import testipynb
+import unittest
 
-# build test for each notebook
-for i, nb in enumerate(nbnames):
-    attrs['test_'+nb] = get(nb, nbpaths[i])
+NBDIR = os.path.sep.join(
+    os.path.abspath(__file__).split(os.path.sep)[:-2] + ['notebooks']
+)
+# IGNORE = ["TEM_VerticalConductor_1D_stiched_invrsion"]
 
-# create class to unit test notebooks
-TestNotebooks = type('TestNotebooks', (unittest.TestCase,), attrs)
+class TestNotebooks(unittest.TestCase):
 
+    def test_notebooks(self):
+        Test = testipynb.TestNotebooks(directory=NBDIR, timeout=1800)
+        self.assertTrue(Test.run_tests())
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()
-    tearDown()