Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/nbconvert/preprocessors/tests/test_highlightmagics.py

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2020-11-12 16:05:57 +00:00
"""Tests for the HighlightMagics preprocessor"""
from .base import PreprocessorTestsBase
from ..highlightmagics import HighlightMagicsPreprocessor
class TestHighlightMagics(PreprocessorTestsBase):
"""Contains test functions for highlightmagics.py"""
def build_preprocessor(self):
"""Make an instance of a preprocessor"""
preprocessor = HighlightMagicsPreprocessor()
preprocessor.enabled = True
return preprocessor
def test_constructor(self):
"""Can a HighlightMagicsPreprocessor be constructed?"""
self.build_preprocessor()
def test_tagging(self):
"""Test the HighlightMagicsPreprocessor tagging"""
nb = self.build_notebook()
res = self.build_resources()
preprocessor = self.build_preprocessor()
nb.cells[0].source = """%%R -i x,y -o XYcoef
lm.fit <- lm(y~x)
par(mfrow=c(2,2))
print(summary(lm.fit))
plot(lm.fit)
XYcoef <- coef(lm.fit)"""
nb, res = preprocessor(nb, res)
assert('magics_language' in nb.cells[0]['metadata'])
self.assertEqual(nb.cells[0]['metadata']['magics_language'], 'r')
def test_no_false_positive(self):
"""Test that HighlightMagicsPreprocessor does not tag false positives"""
nb = self.build_notebook()
res = self.build_resources()
preprocessor = self.build_preprocessor()
nb.cells[0].source = """# this should not be detected
print(\"""
%%R -i x, y
\""")"""
nb, res = preprocessor(nb, res)
assert('magics_language' not in nb.cells[0]['metadata'])