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from unittest.mock import Mock
from plasTeX.TeX import TeX
from helpers.utils import compare_output
import pytest
def testTrue():
compare_output(r'\newif\iffoo\footrue\iffoo hi\else bye\fi')
def testFalse():
compare_output(r'\newif\iffoo\foofalse\iffoo hi\else bye\fi')
def testIf():
compare_output(r'\if*! bye\else text\fi\if** one\else two\fi')
def testIfNum():
compare_output(r'\ifnum 5 < 2 bye\else text\fi\ifnum 2 = 2 one\else two\fi')
def testIfDim():
compare_output(r'\ifdim -5 pt > 2in bye\else text\fi\ifdim 2mm = 2 mm one\else two\fi')
def testIfOdd():
compare_output(r'\ifodd 2 bye\else text\fi\ifodd 3 one\else two\fi')
# This is not implemented correctly; it is unconditionally false
@pytest.mark.xfail
def testIfVMode():
compare_output(r'\ifvmode bye\else text\fi\ifvmode one\else two\fi')
# This is not implemented correctly; it is unconditionally true
@pytest.mark.xfail
def testIfHMode():
compare_output(r'\ifhmode bye\else text\fi\ifhmode one\else two\fi')
def testIfMMode():
compare_output(r'\ifmmode bye\else text\fi\ifmmode one\else two\fi')
def testIfInner():
compare_output(r'\ifinner bye\else text\fi\ifinner one\else two\fi')
def testIfCat():
compare_output(r'\ifcat!a bye\else text\fi\ifcat!( one\else two\fi')
def testIfX():
compare_output(r'\ifx!!bye\else text\fi\ifx!( one\else two\fi')
# This is defined to be unconditionally false
@pytest.mark.xfail
def testIfVoid():
compare_output(r'\ifvoid12 bye\else text\fi\ifvoid16 one\else two\fi')
def testIfHBox():
compare_output(r'\ifhbox12 bye\else text\fi\ifhbox16 one\else two\fi')
def testIfVBox():
compare_output(r'\ifvbox12 bye\else text\fi\ifvbox16 one\else two\fi')
# This is defined to be unconditionally false
@pytest.mark.xfail
def testIfEOF():
compare_output(r'\ifeof12 bye\else text\fi\ifeof15 one\else two\fi')
def testIfTrue():
compare_output(r'\iftrue bye\else text\fi\iftrue one\else two\fi')
def testIfFalse():
compare_output(r'\iffalse bye\else text\fi\iffalse one\else two\fi')
def testIfCase():
compare_output(r'\ifcase 2 bye\or text\or one\else two\fi')
def testNestedIf():
compare_output(r'\ifnum 2 < 3 bye\iftrue text\ifcat() hi\fi\else one\fi\fi foo')
def testNestedIf2():
compare_output(r'\ifnum 2 > 3 bye\iftrue text\ifcat() hi\fi\else one\fi\fi foo')
def testNewIfIf():
compare_output(r'before \iftrue always \newif \iffoobar up \else down \fi then \iffoobar one \else two \fi allend')
def testUnterminatedIf(monkeypatch):
mock_logger = Mock()
monkeypatch.setattr('plasTeX.TeX.log.warning', mock_logger)
TeX().input(r'\if one \else two ').parse()
mock_logger.assert_called_once_with(r'\end occurred when \if was incomplete')
def test_ifdefined_ifcsname():
t = TeX()
t.input(r"""
\ifdefined\mathbbm Yes Mathbbm \else No mathbbm\fi
\ifcsname mathbbm\endcsname Yes Mathbbm \else No mathbbm\fi
\newcommand\mathbbm[1]{{\mathbb{#1}}}
\ifdefined\mathbbm Yes Mathbbm \else No mathbbm\fi
\ifcsname mathbbm\endcsname Yes Mathbbm \else No mathbbm\fi
""")
assert t.parse().textContent == 'No mathbbmNo mathbbm Yes Mathbbm Yes Mathbbm '
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