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697380336c
This is a rewrite of the regex that handles Emacs modeline matching. The
current one is a little flaky, causing some files to be misclassified as
"E", among other things.
It's worth noting malformed modelines can still change a file's language
in Emacs. Provided the -*- delimiters are intact, and the mode's name is
decipherable, Emacs will set the appropriate language mode *and* display
a warning about a malformed modeline:
-*- foo-bar mode: ruby -*- # Malformed, but understandable
-*- mode: ruby--*- # Completely invalid
The new pattern accommodates this leniency, making no effort to validate
a modeline's syntax beyond readable mode-names. In other words, if Emacs
accepts certain errors, we should too.
63 lines
4.2 KiB
Ruby
63 lines
4.2 KiB
Ruby
require_relative "./helper"
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class TestModelines < Minitest::Test
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include Linguist
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def assert_modeline(language, blob)
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assert_equal language, Linguist::Strategy::Modeline.call(blob).first
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end
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def test_modeline_strategy
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assert_modeline Language["Ruby"], fixture_blob("Data/Modelines/ruby")
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assert_modeline Language["Ruby"], fixture_blob("Data/Modelines/ruby2")
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assert_modeline Language["Ruby"], fixture_blob("Data/Modelines/ruby3")
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assert_modeline Language["Ruby"], fixture_blob("Data/Modelines/ruby4")
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assert_modeline Language["Ruby"], fixture_blob("Data/Modelines/ruby5")
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assert_modeline Language["Ruby"], fixture_blob("Data/Modelines/ruby6")
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assert_modeline Language["Ruby"], fixture_blob("Data/Modelines/ruby7")
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assert_modeline Language["Ruby"], fixture_blob("Data/Modelines/ruby8")
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assert_modeline Language["Ruby"], fixture_blob("Data/Modelines/ruby9")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplus")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs1")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs2")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs3")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs4")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs5")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs6")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs7")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs8")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs9")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs10")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs11")
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assert_modeline Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs12")
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assert_modeline Language["Text"], fixture_blob("Data/Modelines/fundamentalEmacs.c")
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assert_modeline Language["Prolog"], fixture_blob("Data/Modelines/not_perl.pl")
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assert_modeline Language["Smalltalk"], fixture_blob("Data/Modelines/example_smalltalk.md")
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assert_modeline Language["PHP"], fixture_blob("Data/Modelines/iamphp.inc")
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assert_modeline nil, sample_blob("C/main.c")
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end
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def test_modeline_languages
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assert_equal Language["Ruby"], fixture_blob("Data/Modelines/ruby").language
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assert_equal Language["Ruby"], fixture_blob("Data/Modelines/ruby2").language
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assert_equal Language["Ruby"], fixture_blob("Data/Modelines/ruby3").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplus").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs1").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs2").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs3").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs4").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs5").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs6").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs7").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs8").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs9").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs10").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs11").language
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assert_equal Language["C++"], fixture_blob("Data/Modelines/seeplusplusEmacs12").language
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assert_equal Language["Text"], fixture_blob("Data/Modelines/fundamentalEmacs.c").language
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assert_equal Language["Prolog"], fixture_blob("Data/Modelines/not_perl.pl").language
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assert_equal Language["Smalltalk"], fixture_blob("Data/Modelines/example_smalltalk.md").language
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assert_equal Language["PHP"], fixture_blob("Data/Modelines/iamphp.inc").language
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end
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end
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