/
hunk_spec.rb
72 lines (56 loc) · 1.96 KB
/
hunk_spec.rb
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# frozen_string_literal: true
require 'spec_helper'
if String.method_defined?(:encoding)
require 'diff/lcs/hunk'
describe Diff::LCS::Hunk do
let(:old_data) { ['Tu avec carté {count} itém has'.encode('UTF-16LE')] }
let(:new_data) { ['Tu avec carte {count} item has'.encode('UTF-16LE')] }
let(:pieces) { Diff::LCS.diff old_data, new_data }
let(:hunk) { Diff::LCS::Hunk.new(old_data, new_data, pieces[0], 3, 0) }
it 'produces a unified diff from the two pieces' do
expected = <<-EXPECTED.gsub(/^\s+/, '').encode('UTF-16LE').chomp
@@ -1 +1 @@
-Tu avec carté {count} itém has
+Tu avec carte {count} item has
EXPECTED
expect(hunk.diff(:unified)).to eq(expected)
end
it 'produces a context diff from the two pieces' do
expected = <<-EXPECTED.gsub(/^\s+/, '').encode('UTF-16LE').chomp
***************
*** 1 ****
! Tu avec carté {count} itém has
--- 1 ----
! Tu avec carte {count} item has
EXPECTED
expect(hunk.diff(:context)).to eq(expected)
end
it 'produces an old diff from the two pieces' do
expected = <<-EXPECTED.gsub(/^ +/, '').encode('UTF-16LE').chomp
1c1
< Tu avec carté {count} itém has
---
> Tu avec carte {count} item has
EXPECTED
expect(hunk.diff(:old)).to eq(expected)
end
it 'produces a reverse ed diff from the two pieces' do
expected = <<-EXPECTED.gsub(/^ +/, '').encode('UTF-16LE').chomp
c1
Tu avec carte {count} item has
.
EXPECTED
expect(hunk.diff(:reverse_ed)).to eq(expected)
end
context 'with empty first data set' do
let(:old_data) { [] }
it 'produces a unified diff' do
expected = <<-EXPECTED.gsub(/^\s+/, '').encode('UTF-16LE').chomp
@@ -1 +1,2 @@
+Tu avec carte {count} item has
EXPECTED
expect(hunk.diff(:unified)).to eq(expected)
end
end
end
end