Sha256: 529b9b043dc7d68b79fa873cfed844dc677f282b570b6334af00f9d484396f54
Contents?: true
Size: 902 Bytes
Versions: 17
Compression:
Stored size: 902 Bytes
Contents
require 'diff/lcs'
RSpec::Matchers.define :have_different_contents do |x|
match do |actual|
perform_match(actual, expected)
end
def perform_match(actual, expected)
expected_lines = expected.scan(/[^\n]+/)
actual_lines = actual.scan(/[^\n]+/)
differences = Diff::LCS::diff(expected_lines, actual_lines)
@diff = differences.map do |chunk|
added_at = (add = chunk.detect{|d| d.action == '+'}) && add.position+1
removed_at = (remove = chunk.detect{|d| d.action == '-'}) && remove.position+1
"Line #{added_at}/#{removed_at}:\n"+
chunk.map do |change|
"#{change.action} #{change.element}"
end*"\n"
end*"\n"
@diff != ''
end
failure_message_for_should do |actual|
"expected a difference, but got none"
end
failure_message_for_should_not do |actual|
"expected no difference, but got:\n#{@diff}"
end
end
Version data entries
17 entries across 17 versions & 1 rubygems