Sha256: 6f93bed1eda3a26b8714fdb64ffa8b669022b192cdebc6f6a8844dcebec3ced2
Contents?: true
Size: 1.04 KB
Versions: 17
Compression:
Stored size: 1.04 KB
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 = File.open(expected).read if expected.is_a?(Pathname)
expected = expected.scan(/[^\n]+/) unless expected.is_a?(Array)
actual = File.open(actual).read if actual.is_a?(Pathname)
actual = actual.scan(/[^\n]+/) unless actual.is_a?(Array)
differences = Diff::LCS::diff(expected, actual)
@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