HTMLDiff does not drop endlines anymore
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beeed3eee6
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2 changed files with 55 additions and 76 deletions
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@ -7,63 +7,62 @@ include Diff
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class DiffTest < Test::Unit::TestCase
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def test_init
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assert(1 == 1, "tests working")
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assert_nothing_raised("object created") do
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s = SequenceMatcher.new "private Thread currentThread;",
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"private volatile Thread currentThread;",
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proc { |x| x == ' ' }
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end
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assert_nothing_raised {
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s = SequenceMatcher.new('private Thread currentThread;',
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'private volatile Thread currentThread;') { |x| x == ' ' }
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}
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end
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def test_matching_blocks
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s = SequenceMatcher.new "abxcd", "abcd"
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assert(s.get_matching_blocks == [[0, 0, 2], [3, 2, 2], [5, 4, 0]],
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"get_matching_blocks works")
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s = SequenceMatcher.new 'abxcd', 'abcd'
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assert_equal [[0, 0, 2], [3, 2, 2], [5, 4, 0]], s.get_matching_blocks
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end
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def test_ratio
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s = SequenceMatcher.new "abcd", "bcde"
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assert(s.ratio == 0.75, "ratio works")
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assert(s.quick_ratio == 0.75, "quick_ratio works")
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assert(s.real_quick_ratio == 1.0, "real_quick_ratio works")
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s = SequenceMatcher.new 'abcd', 'bcde'
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assert_equal 0.75, s.ratio, 0.001
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assert_equal 0.75, s.quick_ratio, 0.001
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assert_equal 1.0, s.real_quick_ratio, 0.001
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end
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def test_longest_match
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s = SequenceMatcher.new(" abcd", "abcd abcd")
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assert(s.find_longest_match(0, 5, 0, 9) == [0, 4, 5],
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"find_longest_match works")
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s = SequenceMatcher.new()
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s = SequenceMatcher.new(' abcd', 'abcd abcd')
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assert_equal [0, 4, 5], s.find_longest_match(0, 5, 0, 9)
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end
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def test_opcodes
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s = SequenceMatcher.new("qabxcd", "abycdf")
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assert(s.get_opcodes == [
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[:delete, 0, 1, 0, 0],
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[:equal, 1, 3, 0, 2],
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[:replace, 3, 4, 2, 3],
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[:equal, 4, 6, 3, 5],
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[:insert, 6, 6, 5, 6]], "get_opcodes works")
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s = SequenceMatcher.new('qabxcd', 'abycdf')
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assert_equal(
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[
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[:delete, 0, 1, 0, 0],
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[:equal, 1, 3, 0, 2],
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[:replace, 3, 4, 2, 3],
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[:equal, 4, 6, 3, 5],
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[:insert, 6, 6, 5, 6]
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],
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s.get_opcodes)
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end
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def test_count_leading
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assert(Diff.count_leading(' abc', ' ') == 3,
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"count_leading works")
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assert_equal 3, Diff.count_leading(' abc', ' ')
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end
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def test_html2list
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a = "here is the original text"
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#p HTMLDiff.html2list(a)
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assert_equal(
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['here ', 'is ', 'the ', 'original ', 'text'],
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HTMLDiff.html2list(a))
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end
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def test_html_diff
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a = "this was the original string"
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b = "this is the super string"
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assert_equal 'this <del class="diffmod">was </del>' +
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a = 'this was the original string'
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b = 'this is the super string'
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assert_equal('this <del class="diffmod">was </del>' +
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'<ins class="diffmod">is </ins>the ' +
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'<del class="diffmod">original </del>' +
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'<ins class="diffmod">super </ins>string',
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HTMLDiff.diff(a, b)
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HTMLDiff.diff(a, b))
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end
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def test_html_diff_with_multiple_paragraphs
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@ -79,4 +78,15 @@ class DiffTest < Test::Unit::TestCase
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HTMLDiff.diff(a, b)
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)
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end
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end
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# FIXME this test fails (ticket #67, http://dev.instiki.org/ticket/67)
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def test_html_diff_preserves_endlines_in_pre
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a = "<pre>\na\nb\nc\n</pre>"
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b = ''
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assert_equal(
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"<pre>\n<del class=\"diffdel\">a\nb\nc\n</del></pre>",
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HTMLDiff.diff(a, b))
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end
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end
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