import unittest
import os
import sys
import subprocess
from shutil import copyfile
import pdb

# with / without pwr DONE
# with / without url encode DONE
# with / without collapse user DONE
# with output to sdtout DONE
# note that the persistence radius is 7 by default
# reading various file formats including
#        7z, gz, bz2, xml  DONE
# wikia and wikipedia data DONE
# malformed xmls DONE

class Test_Wikipedia(unittest.TestCase):
    def setUp(self):
        if not os.path.exists("test_output"):
            os.mkdir("test_output")

        self.wiki = 'ikwiki-20180301-pages-meta-history'
        self.wikiq_out_name =  self.wiki + ".tsv"
        self.test_output_dir = os.path.join(".", "test_output")
        self.call_output = os.path.join(self.test_output_dir, self.wikiq_out_name)

        self.infile = "{0}.xml.bz2".format(self.wiki)    
        self.base_call = "../wikiq {0} -o {1}"
        self.input_dir = "dumps"
        self.input_file = os.path.join(".", self.input_dir,self.infile)
        self.baseline_output_dir = "baseline_output"

    def test_WP_url_encode(self):
        call = self.base_call.format(self.input_file, self.test_output_dir)
        call = call + " --url-encode"
        proc = subprocess.Popen(call,stdout=subprocess.PIPE,shell=True)
        proc.wait()
        test_file =  "url-encode_" + self.wikiq_out_name
        copyfile(self.call_output, os.path.join(self.test_output_dir, test_file))
        baseline_file = os.path.join(".", self.baseline_output_dir, test_file)

        test_lines = open(os.path.join(self.test_output_dir,test_file))
        baseline_lines = open(baseline_file)
        for test, baseline in zip(test_lines, baseline_lines):
            self.assertEqual(test,baseline)

        test_lines.close()
        baseline_lines.close()


class Test_Basic(unittest.TestCase):

    def setUp(self):
        if not os.path.exists("test_output"):
            os.mkdir("test_output")

        self.wiki = 'sailormoon'
        self.wikiq_out_name =  self.wiki + ".tsv"
        self.test_output_dir = os.path.join(".", "test_output")
        self.call_output = os.path.join(self.test_output_dir, self.wikiq_out_name)

        self.infile = "{0}.xml.7z".format(self.wiki)
        self.base_call = "../wikiq {0} -o {1}"
        self.input_dir = "dumps"
        self.input_file = os.path.join(".", self.input_dir,self.infile)
        self.baseline_output_dir = "baseline_output"

    def test_noargs(self):

        call = self.base_call.format(self.input_file, self.test_output_dir)
        proc = subprocess.Popen(call,stdout=subprocess.PIPE,shell=True)
        proc.wait()
        test_file =  "noargs_" + self.wikiq_out_name
        copyfile(self.call_output, os.path.join(self.test_output_dir, test_file))

        baseline_file = os.path.join(".", self.baseline_output_dir, test_file)

        test_lines = open(os.path.join(self.test_output_dir,test_file))
        baseline_lines = open(baseline_file)
        for test, baseline in zip(test_lines, baseline_lines):
            self.assertEqual(test,baseline)

        test_lines.close()
        baseline_lines.close()

    def test_collapse_user(self):
        call = self.base_call.format(self.input_file, self.test_output_dir)
        call = call + " --collapse-user"

        proc = subprocess.Popen(call,stdout=subprocess.PIPE,shell=True)
        proc.wait()

        test_file =  "collapse-user_" + self.wikiq_out_name
        copyfile(self.call_output, os.path.join(self.test_output_dir, test_file))

        baseline_file = os.path.join(".", self.baseline_output_dir, test_file)

        test_lines = open(os.path.join(self.test_output_dir,test_file))
        baseline_lines = open(baseline_file)
        for test, baseline in zip(test_lines, baseline_lines):
            self.assertEqual(test,baseline)

        test_lines.close()
        baseline_lines.close()

    def test_pwr(self):
        call = self.base_call.format(self.input_file, self.test_output_dir)
        call = call + " --persistence"
        proc = subprocess.Popen(call,stdout=subprocess.PIPE,shell=True)
        proc.wait()

        test_file =  "persistence_" + self.wikiq_out_name
        copyfile(self.call_output, os.path.join(self.test_output_dir, test_file))

        baseline_file = os.path.join(".", self.baseline_output_dir, test_file)

        test_lines = open(os.path.join(self.test_output_dir,test_file))
        baseline_lines = open(baseline_file)
        for test, baseline in zip(test_lines, baseline_lines):
            self.assertEqual(test,baseline)

        test_lines.close()
        baseline_lines.close()

    def test_url_encode(self):
        call = self.base_call.format(self.input_file, self.test_output_dir)
        call = call + " --url-encode"
        proc = subprocess.Popen(call,stdout=subprocess.PIPE,shell=True)
        proc.wait()
        test_file =  "url-encode_" + self.wikiq_out_name
        copyfile(self.call_output, os.path.join(self.test_output_dir, test_file))
        baseline_file = os.path.join(".", self.baseline_output_dir, test_file)

        test_lines = open(os.path.join(self.test_output_dir,test_file))
        baseline_lines = open(baseline_file)
        for test, baseline in zip(test_lines, baseline_lines):
            self.assertEqual(test,baseline)

        test_lines.close()
        baseline_lines.close()

class Test_Malformed(unittest.TestCase):

    def setUp(self):
        if not os.path.exists("test_output"):
            os.mkdir("test_output")

        self.wiki = 'twinpeaks'
        self.wikiq_out_name =  self.wiki + ".tsv"
        self.test_output_dir = os.path.join(".", "test_output")
        self.call_output = os.path.join(self.test_output_dir, self.wikiq_out_name)

        self.infile = "{0}.xml.7z".format(self.wiki)
        self.base_call = "../wikiq {0} -o {1}"
        self.input_dir = "dumps"
        self.input_file = os.path.join(".", self.input_dir,self.infile)


    def test_malformed_noargs(self):

        call = self.base_call.format(self.input_file, self.test_output_dir)
        proc = subprocess.Popen(call,stdout=subprocess.PIPE,stderr=subprocess.PIPE, shell=True)
        proc.wait()
        outs, errs = proc.communicate()
        errlines = str(errs).split("\\n")
        self.assertEqual(errlines[-2],'xml.etree.ElementTree.ParseError: no element found: line 1369, column 0')

class Test_Stdout(unittest.TestCase):

    def setUp(self):
        self.wiki = 'sailormoon'
        self.wikiq_out_name =  self.wiki + ".tsv"

        self.infile = "{0}.xml.7z".format(self.wiki)
        self.base_call = "../wikiq {0} --stdout"
        self.input_dir = "dumps"
        self.input_file = os.path.join(".", self.input_dir,self.infile)
        self.baseline_output_dir = "baseline_output"

    def test_noargs(self):

        call = self.base_call.format(self.input_file)
        proc = subprocess.run(call,stdout=subprocess.PIPE,shell=True)
        outs = proc.stdout.decode('utf-8')
        
        test_file = "noargs_" + self.wikiq_out_name
        baseline_file = os.path.join(".", self.baseline_output_dir, test_file)

        test_lines = outs.splitlines(True)
        baseline_lines = open(baseline_file)
        for test, baseline in zip(test_lines, baseline_lines):
            self.assertEqual(test,baseline)

        # test_file =  "noargs_" + self.wikiq_out_name
        # copyfile(self.call_output, os.path.join(self.test_output_dir, test_file))

        # baseline_file = os.path.join(".", self.baseline_output_dir, test_file)

        # test_lines = open(os.path.join(self.test_output_dir,test_file))
        # baseline_lines = open(baseline_file)
        # for test, baseline in zip(test_lines, baseline_lines):
        #     self.assertEqual(test,baseline)
        # test_lines.close()
        # baseline_lines.close()

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