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92 lines
3.1 KiB
Crystal
92 lines
3.1 KiB
Crystal
require "./spec_helper"
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# These are the testcases from Pygments
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testcases = Dir.glob("#{__DIR__}/tests/**/*txt").sort
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# These lexers don't load because of parsing issues
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failing_lexers = {
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"webgpu_shading_language",
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}
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# These testcases fail because of differences in the way chroma and tartrazine
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# represent unicode, but they are actually correct
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unicode_problems = {
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"#{__DIR__}/tests/java/test_string_literals.txt",
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"#{__DIR__}/tests/json/test_strings.txt",
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"#{__DIR__}/tests/systemd/example1.txt",
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}
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# These testcases fail because of differences in the way chroma and tartrazine tokenize
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# but tartrazine is correct
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bad_in_chroma = {
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"#{__DIR__}/tests/bash_session/test_comment_after_prompt.txt",
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"#{__DIR__}/tests/java/test_default.txt",
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"#{__DIR__}/tests/java/test_multiline_string.txt",
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"#{__DIR__}/tests/java/test_numeric_literals.txt",
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"#{__DIR__}/tests/php/test_string_escaping_run.txt",
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"#{__DIR__}/tests/python_2/test_cls_builtin.txt",
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}
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known_bad = {
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"#{__DIR__}/tests/bash_session/fake_ps2_prompt.txt",
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"#{__DIR__}/tests/bash_session/prompt_in_output.txt",
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"#{__DIR__}/tests/bash_session/test_newline_in_echo_no_ps2.txt",
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"#{__DIR__}/tests/bash_session/test_newline_in_ls_ps2.txt",
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"#{__DIR__}/tests/bash_session/ps2_prompt.txt",
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"#{__DIR__}/tests/bash_session/test_newline_in_ls_no_ps2.txt",
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"#{__DIR__}/tests/bash_session/test_virtualenv.txt",
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"#{__DIR__}/tests/bash_session/test_newline_in_echo_ps2.txt",
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"#{__DIR__}/tests/c/test_string_resembling_decl_end.txt",
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"#{__DIR__}/tests/html/css_backtracking.txt",
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"#{__DIR__}/tests/mcfunction/data.txt",
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"#{__DIR__}/tests/mcfunction/selectors.txt",
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"#{__DIR__}/tests/php/anonymous_class.txt",
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"#{__DIR__}/tests/html/javascript_unclosed.txt",
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}
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# Tests that fail because of a limitation in PCRE2
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not_my_fault = {
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"#{__DIR__}/tests/fortran/test_string_cataback.txt",
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}
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describe Tartrazine do
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describe "Lexer" do
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testcases.each do |testcase|
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if known_bad.includes?(testcase)
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pending "parses #{testcase}".split("/")[-2...].join("/") do
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end
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else
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it "parses #{testcase}".split("/")[-2...].join("/") do
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text = File.read(testcase).split("---input---\n").last.split("---tokens---").first
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lexer_name = File.basename(File.dirname(testcase)).downcase
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unless failing_lexers.includes?(lexer_name) ||
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unicode_problems.includes?(testcase) ||
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bad_in_chroma.includes?(testcase) ||
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not_my_fault.includes?(testcase)
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tokenize(lexer_name, text).should eq(chroma_tokenize(lexer_name, text))
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end
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end
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end
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end
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end
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end
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# Helper that creates lexer and tokenizes
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def tokenize(lexer_name, text)
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lexer = Tartrazine.lexer(lexer_name)
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lexer.tokenize(text)
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end
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# Helper that tokenizes using chroma to validate the lexer
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def chroma_tokenize(lexer_name, text)
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output = IO::Memory.new
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input = IO::Memory.new(text)
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Process.run(
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"chroma",
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["-f", "json", "-l", lexer_name],
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input: input, output: output
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)
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Tartrazine::Lexer.collapse_tokens(Array(Tartrazine::Token).from_json(output.to_s))
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end
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