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[paperdoorknob] / paperdoorknob_test.py

# paperdoorknob: Print glowfic
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, version 3.


from abc import ABC, abstractmethod
import unittest
import io
import re
import subprocess

import paperdoorknob

from testing.fakeserver import FakeGlowficServer
from domfilter import ApplyDOMFilters
from fetch import DirectFetcher, FakeFetcher, Fetcher
from glowfic import ContentOnlyLayout, BelowIconLayout
from images import FakeImageStore
from spec import Spec
from texify import DirectTexifier, PandocTexifier, VerifyingTexifier

TIMEOUT = 8


class BaseTestProcess(ABC):

    @abstractmethod
    def url(self) -> str:
        raise NotImplementedError()

    @abstractmethod
    def fetcher(self) -> Fetcher:
        raise NotImplementedError()

    def testProcess(self) -> None:
        buf = io.BytesIO()
        spec = Spec(
            self.url(),
            self.fetcher(),
            FakeImageStore(),
            lambda x: x,
            lambda x: ApplyDOMFilters('NoEdit,NoFooter', x),
            lambda x: x,
            ContentOnlyLayout(PandocTexifier('pandoc')),
            'margin=20mm',
            buf)
        paperdoorknob.process(spec)
        assert re.match(br'''\\documentclass{article}
(\\usepackage{[a-z]+}\n)+\\usepackage\[margin=20mm\]{geometry}
\\begin{document}
This is glowfic

You \\emph{sure}\?

Pretty sure.

\\end{document}
''', buf.getvalue())

    def testDirectTexifier(self) -> None:
        texifier = VerifyingTexifier(
            PandocTexifier('pandoc'), DirectTexifier())
        buf = io.BytesIO()
        spec = Spec(
            self.url(),
            self.fetcher(),
            FakeImageStore(),
            lambda x: x,
            lambda x: ApplyDOMFilters('NoEdit,NoFooter', x),
            lambda x: x,
            ContentOnlyLayout(texifier),
            None,
            buf)
        paperdoorknob.process(spec)

    def testPDF(self) -> None:
        with open("test.tex", 'wb') as out:
            spec = Spec(
                self.url(),
                self.fetcher(),
                FakeImageStore(),
                lambda x: x,
                lambda x: ApplyDOMFilters('NoEdit,NoFooter', x),
                lambda x: x,
                BelowIconLayout(PandocTexifier('pandoc'), 20),
                None,
                out)
            paperdoorknob.process(spec)
        subprocess.run(['pdflatex', 'test.tex'],
                       stdin=subprocess.DEVNULL, check=True)


class TestProcessFromWebserver(BaseTestProcess, unittest.TestCase):

    def setUp(self) -> None:
        self._fetcher = self.enterContext(DirectFetcher(TIMEOUT))
        self._server = self.enterContext(FakeGlowficServer())
        self._port = self._server.port()

    def url(self) -> str:
        return f"http://localhost:{self._port}"

    def fetcher(self) -> Fetcher:
        return self._fetcher


class TestProcessFromFakeFetcher(BaseTestProcess, unittest.TestCase):

    def url(self) -> str:
        return 'fic'

    def fetcher(self) -> Fetcher:
        with open('testdata/this-is-glowfic.html', 'rb') as f:
            return FakeFetcher({'fic?view=flat': f.read(9999)})


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