import unittest
import subprocess
import os


class TestHelp(unittest.TestCase):
    def test_help(self):
        proc = subprocess.Popen(['./main.py', '--help'], stdout=subprocess.PIPE)
        stdout, _ = proc.communicate()
        self.assertIn(b'usage: main.py [-h] [-c] [-l] [-s] [files [files ...]]', stdout)

class TestGetMeta(unittest.TestCase):
    def test_pdf(self):
        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.pdf'],
                stdout=subprocess.PIPE)
        stdout, _ = proc.communicate()
        self.assertIn(b'producer: pdfTeX-1.40.14', stdout)

    def test_png(self):
        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.png'],
                stdout=subprocess.PIPE)
        stdout, _ = proc.communicate()
        self.assertIn(b'Comment: This is a comment, be careful!', stdout)

    def test_jpg(self):
        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.jpg'],
                stdout=subprocess.PIPE)
        stdout, _ = proc.communicate()
        self.assertIn(b'Comment: Created with GIMP', stdout)

    def test_docx(self):
        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.docx'],
                stdout=subprocess.PIPE)
        stdout, _ = proc.communicate()
        self.assertIn(b'Application: LibreOffice/5.4.5.1$Linux_X86_64', stdout)
        self.assertIn(b'creator: julien voisin', stdout)
        self.assertIn(b'revision: 1', stdout)

    def test_odt(self):
        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.odt'],
                stdout=subprocess.PIPE)
        stdout, _ = proc.communicate()
        self.assertIn(b'generator: LibreOffice/3.3$Unix', stdout)
        self.assertIn(b'creator: jvoisin', stdout)
        self.assertIn(b'date_time: 2011-07-26 02:40:16', stdout)