import subprocess
import unittest
import os

class Doc_Test(unittest.TestCase):

    @property
    def path_to_docs(self):
        dirname, filename = os.path.split(os.path.abspath(__file__))
        return os.path.sep.join(dirname.split(os.path.sep)[:-2] + ['docs'])

    def test_html(self):
        doctrees_path = os.path.sep.join(self.path_to_docs.split(os.path.sep) + ['_build']+['doctrees'])
        html_path = os.path.sep.join(self.path_to_docs.split(os.path.sep) + ['_build']+['html'])

        check = subprocess.call(["sphinx-build", "-nW", "-b", "html", "-d", 
            "%s"%(doctrees_path) , 
            "%s"%(self.path_to_docs), 
            "%s"%(html_path)])
        assert check == 0

    def test_latex(self):
        doctrees_path = os.path.sep.join(self.path_to_docs.split(os.path.sep) + ['_build']+['doctrees'])
        latex_path = os.path.sep.join(self.path_to_docs.split(os.path.sep) + ['_build']+['latex'])

        check = subprocess.call(["sphinx-build", "-nW", "-b", "latex", "-d", 
            "%s"%(doctrees_path), 
            "%s"%(self.path_to_docs), 
            "%s"%(latex_path)])
        assert check == 0

    def test_linkcheck(self):
        doctrees_path = os.path.sep.join(self.path_to_docs.split(os.path.sep) + ['_build']+['doctrees'])
        link_path = os.path.sep.join(self.path_to_docs.split(os.path.sep) + ['_build'])

        check = subprocess.call(["sphinx-build", "-nW", "-b", "linkcheck", "-d", 
            "%s"%(doctrees_path), 
            "%s"%(self.path_to_docs), 
            "%s"%(link_path)])
        assert check == 0 

if __name__ == '__main__':
    unittest.main()