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06f7aa393d
* Add a preference to toggle LaTeX generation * Fix test * Remove LaTeX security restrictions * Show existing LaTeX images regardless of preference * Lift config check out of loop (dae) * Shift option to review settings; display warning when disabled (dae)
61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
# Copyright: Ankitects Pty Ltd and contributors
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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# coding: utf-8
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import os
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import shutil
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from anki.config import Config
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from anki.lang import without_unicode_isolation
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from tests.shared import getEmptyCol
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def test_latex():
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col = getEmptyCol()
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col.set_config_bool(Config.Bool.RENDER_LATEX, True)
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# change latex cmd to simulate broken build
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import anki.latex
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anki.latex.pngCommands[0][0] = "nolatex"
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# add a note with latex
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note = col.newNote()
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note["Front"] = "[latex]hello[/latex]"
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col.addNote(note)
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# but since latex couldn't run, there's nothing there
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assert len(os.listdir(col.media.dir())) == 0
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# check the error message
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msg = note.cards()[0].question()
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assert "executing nolatex" in without_unicode_isolation(msg)
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assert "installed" in msg
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# check if we have latex installed, and abort test if we don't
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if not shutil.which("latex") or not shutil.which("dvipng"):
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print("aborting test; latex or dvipng is not installed")
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return
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# fix path
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anki.latex.pngCommands[0][0] = "latex"
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# check media db should cause latex to be generated
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col.media.render_all_latex()
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assert len(os.listdir(col.media.dir())) == 1
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assert ".png" in note.cards()[0].question()
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# adding new notes should cause generation on question display
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note = col.newNote()
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note["Front"] = "[latex]world[/latex]"
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col.addNote(note)
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note.cards()[0].question()
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assert len(os.listdir(col.media.dir())) == 2
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# another note with the same media should reuse
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note = col.newNote()
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note["Front"] = " [latex]world[/latex]"
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col.addNote(note)
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assert len(os.listdir(col.media.dir())) == 2
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oldcard = note.cards()[0]
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assert ".png" in oldcard.question()
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# if we turn off building, then previous cards should work, but cards with
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# missing media will show a broken image
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col.set_config_bool(Config.Bool.RENDER_LATEX, False)
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note = col.newNote()
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note["Front"] = "[latex]foo[/latex]"
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col.addNote(note)
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assert len(os.listdir(col.media.dir())) == 2
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assert ".png" in oldcard.question()
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