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Remove duplicate lex tests #3856

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Remove duplicate lex tests #3856

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50 changes: 0 additions & 50 deletions test/prism/lex_test.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -6,43 +6,6 @@

module Prism
class LexTest < TestCase
except = [
# https://bugs.ruby-lang.org/issues/21756
"spanning_heredoc.txt",
# Prism emits a single string in some cases when ripper splits them up
"whitequark/dedenting_heredoc.txt",
"heredocs_with_fake_newlines.txt",
# Prism emits BEG for `on_regexp_end`
"spanning_heredoc_newlines.txt",
]

if RUBY_VERSION < "3.3.0"
# This file has changed behavior in Ripper in Ruby 3.3, so we skip it if
# we're on an earlier version.
except << "seattlerb/pct_w_heredoc_interp_nested.txt"

# Ruby < 3.3.0 cannot parse heredocs where there are leading whitespace
# characters in the heredoc start.
# Example: <<~' EOF' or <<-' EOF'
# https://bugs.ruby-lang.org/issues/19539
except << "heredocs_leading_whitespace.txt"
except << "whitequark/ruby_bug_19539.txt"

# https://bugs.ruby-lang.org/issues/19025
except << "whitequark/numparam_ruby_bug_19025.txt"
# https://bugs.ruby-lang.org/issues/18878
except << "whitequark/ruby_bug_18878.txt"
# https://bugs.ruby-lang.org/issues/19281
except << "whitequark/ruby_bug_19281.txt"
end

# https://bugs.ruby-lang.org/issues/21168#note-5
except << "command_method_call_2.txt"

Fixture.each_for_current_ruby(except: except) do |fixture|
define_method(fixture.test_name) { assert_lex(fixture) }
end

def test_lex_file
assert_nothing_raised do
Prism.lex_file(__FILE__)
Expand Down Expand Up @@ -82,18 +45,5 @@ def test_parse_lex_file
Prism.parse_lex_file(nil)
end
end

private

def assert_lex(fixture)
source = fixture.read

result = Prism.lex_compat(source, version: "current")
assert_equal [], result.errors

Prism.lex_ripper(source).zip(result.value).each do |(ripper, prism)|
Comment on lines -91 to -94
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@eregon eregon Jan 18, 2026

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Should we still test Prism.lex_compat & Prism.lex_ripper?
They don't seem tested by #3849 from a quick look, but maybe I missed something.

assert_equal ripper, prism
end
end
end
end