seperate out docs test so it runs independently (not on every test)

.travis.yml

@@ -22,6 +22,7 @@ env:
     - TEST_DIR=tests/examples
     - TEST_DIR=tests/em/fdem/inverse/adjoint
     - TEST_DIR=tests/em/fdem/forward
+    - TEST_DIR=tests/docs
 
 # Setup anaconda
 before_install:
@@ -45,12 +46,6 @@ install:
 # Run test
 script:
   # test docs
-  - cd docs 
-  - sphinx-build -nW -b html -d _build/doctrees . _build/html
-  - sphinx-build -nW -b latex -d _build/doctrees . _build/latex
-  - sphinx-build -nW -b linkcheck -d _build/doctrees   . _build/linkcheck
-  - cd ../
-
   - nosetests $TEST_DIR --with-cov --cov SimPEG --cov-config .coveragerc -v -s
 
 

tests/docs/test_docs.py

@@ -0,0 +1,21 @@
+import subprocess
+import unittest
+import os
+
+
+class Doc_Test(unittest.TestCase):
+
+    def test_html(self,rmdir=True):
+        check = subprocess.call(["sphinx-build", "-nW", "-b", "html", "-d", "../../docs/_build/doctrees", "../../docs", "../../docs/_build/html"])
+        assert check == 0
+
+    def test_latex(self,rmdir=True):
+        check = subprocess.call(["sphinx-build", "-nW", "-b", "latex", "-d", "../../docs/_build/doctrees", "../../docs", "../../docs/_build/latex"])
+        assert check == 0
+
+    def test_linkcheck(self,rmdir=True):
+        check = subprocess.call(["sphinx-build", "-nW", "-b", "linkcheck", "-d", "../../docs/_build/doctrees", "../../docs", "../../docs/_build"])
+        assert check == 0 
+
+if __name__ == '__main__':
+    unittest.main()