upstream/ipython Files · IPython/nbconvert/preprocessors/tests/test_highlightmagics.py

Reverse hscrollbar min-height hack on OS X...

Reverse hscrollbar min-height hack on OS X OS X has optional behavior to only draw scrollbars during scroll, which causes problems for CodeMirror's scrollbars. CodeMirror's solution is to set a minimum size for their scrollbars, which is always present. The trade is that the container overlays most of the last line, swallowing click events when there is scrolling to do, even when no scrollbar is visible. This reverses the trade, recovering the click events at the expense of never showing the horizontal scrollbar on OS X when this option is enabled.

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             test_highlightmagics.py
        
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      """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'])

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				"""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'])