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require 'spec_helper'
describe Gitlab::Conflict::Parser, lib: true do
let(:parser) { Gitlab::Conflict::Parser.new }
describe '#parse' do
def parse_text(text)
parser.parse(text, our_path: 'README.md', their_path: 'README.md')
end
context 'when the file has valid conflicts' do
let(:text) do
<<CONFLICT
module Gitlab
module Regexp
extend self
def username_regexp
default_regexp
end
<<<<<<< files/ruby/regex.rb
def project_name_regexp
/\A[a-zA-Z0-9][a-zA-Z0-9_\-\. ]*\z/
end
def name_regexp
/\A[a-zA-Z0-9_\-\. ]*\z/
=======
def project_name_regex
%r{\A[a-zA-Z0-9][a-zA-Z0-9_\-\. ]*\z}
end
def name_regex
%r{\A[a-zA-Z0-9_\-\. ]*\z}
>>>>>>> files/ruby/regex.rb
end
def path_regexp
default_regexp
end
<<<<<<< files/ruby/regex.rb
def archive_formats_regexp
/(zip|tar|7z|tar\.gz|tgz|gz|tar\.bz2|tbz|tbz2|tb2|bz2)/
=======
def archive_formats_regex
%r{(zip|tar|7z|tar\.gz|tgz|gz|tar\.bz2|tbz|tbz2|tb2|bz2)}
>>>>>>> files/ruby/regex.rb
end
def git_reference_regexp
# Valid git ref regexp, see:
# https://www.kernel.org/pub/software/scm/git/docs/git-check-ref-format.html
%r{
(?!
(?# doesn't begins with)
\/| (?# rule #6)
(?# doesn't contain)
.*(?:
[\/.]\.| (?# rule #1,3)
\/\/| (?# rule #6)
@\{| (?# rule #8)
\\ (?# rule #9)
)
)
[^\000-\040\177~^:?*\[]+ (?# rule #4-5)
(?# doesn't end with)
(?<!\.lock) (?# rule #1)
(?<![\/.]) (?# rule #6-7)
}x
end
protected
<<<<<<< files/ruby/regex.rb
def default_regexp
/\A[.?]?[a-zA-Z0-9][a-zA-Z0-9_\-\.]*(?<!\.git)\z/
=======
def default_regex
%r{\A[.?]?[a-zA-Z0-9][a-zA-Z0-9_\-\.]*(?<!\.git)\z}
>>>>>>> files/ruby/regex.rb
end
end
end
CONFLICT
end
let(:lines) do
parser.parse(text, our_path: 'files/ruby/regex.rb', their_path: 'files/ruby/regex.rb')
end
it 'sets our lines as new lines' do
expect(lines[8..13]).to all(have_attributes(type: 'new'))
expect(lines[26..27]).to all(have_attributes(type: 'new'))
expect(lines[56..57]).to all(have_attributes(type: 'new'))
end
it 'sets their lines as old lines' do
expect(lines[14..19]).to all(have_attributes(type: 'old'))
expect(lines[28..29]).to all(have_attributes(type: 'old'))
expect(lines[58..59]).to all(have_attributes(type: 'old'))
end
it 'sets non-conflicted lines as both' do
expect(lines[0..7]).to all(have_attributes(type: nil))
expect(lines[20..25]).to all(have_attributes(type: nil))
expect(lines[30..55]).to all(have_attributes(type: nil))
expect(lines[60..62]).to all(have_attributes(type: nil))
end
it 'sets consecutive line numbers for index, old_pos, and new_pos' do
old_line_numbers = lines.select { |line| line.type != 'new' }.map(&:old_pos)
new_line_numbers = lines.select { |line| line.type != 'old' }.map(&:new_pos)
expect(lines.map(&:index)).to eq(0.upto(62).to_a)
expect(old_line_numbers).to eq(1.upto(53).to_a)
expect(new_line_numbers).to eq(1.upto(53).to_a)
end
end
context 'when the file contents include conflict delimiters' do
it 'raises UnexpectedDelimiter when there is a non-start delimiter first' do
expect { parse_text('=======') }.
to raise_error(Gitlab::Conflict::Parser::UnexpectedDelimiter)
expect { parse_text('>>>>>>> README.md') }.
to raise_error(Gitlab::Conflict::Parser::UnexpectedDelimiter)
expect { parse_text('>>>>>>> some-other-path.md') }.
not_to raise_error
end
it 'raises UnexpectedDelimiter when a start delimiter is followed by a non-middle delimiter' do
start_text = "<<<<<<< README.md\n"
end_text = "\n=======\n>>>>>>> README.md"
expect { parse_text(start_text + '>>>>>>> README.md' + end_text) }.
to raise_error(Gitlab::Conflict::Parser::UnexpectedDelimiter)
expect { parse_text(start_text + start_text + end_text) }.
to raise_error(Gitlab::Conflict::Parser::UnexpectedDelimiter)
expect { parse_text(start_text + '>>>>>>> some-other-path.md' + end_text) }.
not_to raise_error
end
it 'raises UnexpectedDelimiter when a middle delimiter is followed by a non-end delimiter' do
start_text = "<<<<<<< README.md\n=======\n"
end_text = "\n>>>>>>> README.md"
expect { parse_text(start_text + '=======' + end_text) }.
to raise_error(Gitlab::Conflict::Parser::UnexpectedDelimiter)
expect { parse_text(start_text + start_text + end_text) }.
to raise_error(Gitlab::Conflict::Parser::UnexpectedDelimiter)
expect { parse_text(start_text + '>>>>>>> some-other-path.md' + end_text) }.
not_to raise_error
end
it 'raises MissingEndDelimiter when there is no end delimiter at the end' do
start_text = "<<<<<<< README.md\n=======\n"
expect { parse_text(start_text) }.
to raise_error(Gitlab::Conflict::Parser::MissingEndDelimiter)
expect { parse_text(start_text + '>>>>>>> some-other-path.md') }.
to raise_error(Gitlab::Conflict::Parser::MissingEndDelimiter)
end
end
context 'other file types' do
it 'raises UnmergeableFile when lines is blank, indicating a binary file' do
expect { parse_text('') }.
to raise_error(Gitlab::Conflict::Parser::UnmergeableFile)
expect { parse_text(nil) }.
to raise_error(Gitlab::Conflict::Parser::UnmergeableFile)
end
it 'raises UnmergeableFile when the file is over 200 KB' do
expect { parse_text('a' * 204801) }.
to raise_error(Gitlab::Conflict::Parser::UnmergeableFile)
end
it 'raises UnsupportedEncoding when the file contains non-UTF-8 characters' do
expect { parse_text("a\xC4\xFC".force_encoding(Encoding::ASCII_8BIT)) }.
to raise_error(Gitlab::Conflict::Parser::UnsupportedEncoding)
end
end
end
end
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