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-rw-r--r--spec/lib/gitlab/conflict/parser_spec.rb188
1 files changed, 188 insertions, 0 deletions
diff --git a/spec/lib/gitlab/conflict/parser_spec.rb b/spec/lib/gitlab/conflict/parser_spec.rb
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+++ b/spec/lib/gitlab/conflict/parser_spec.rb
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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 100 KB' do
+ expect { parse_text('a' * 102401) }.
+ to raise_error(Gitlab::Conflict::Parser::UnmergeableFile)
+ end
+ end
+ end
+end