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* lib/csv.rb: Fixes #161 on github

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* lib/csv.rb:  You can now specify a pattern for :skip_lines.
  Matching lines will not be passed to the CSV parser.
* lib/csv.rb:  Patch by Christian Schwartz.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36743 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
jeg2 2012-08-20 20:52:36 +00:00
parent 6ac1d39ace
commit 3c3e659196
3 changed files with 66 additions and 3 deletions
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33
test/csv/test_features.rb
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@ -274,4 +274,37 @@ class TestCSV::Features < TestCSV
assert(CSV::VERSION.frozen?)
assert_match(/\A\d\.\d\.\d\Z/, CSV::VERSION)
end
def test_accepts_comment_skip_lines_option
assert_nothing_raised(ArgumentError) do
CSV.new nil, :skip_lines => /\A\s*#/
end
end
def test_accepts_comment_defaults_to_nil
c = CSV.new nil
assert_equal c.skip_lines, nil
end
class RegexStub
end
def test_requires_skip_lines_to_call_match
regex_stub = RegexStub.new
assert_raise(ArgumentError) do
CSV.new nil, :skip_lines => regex_stub
end
end
def test_comment_rows_are_ignored
sample_data = "line,1,a\n#not,a,line\nline,2,b\n #also,no,line"
c = CSV.new sample_data, :skip_lines => /\A\s*#/
assert_equal c.each.to_a, [["line", "1", "a"], ["line", "2", "b"]]
end
def test_quoted_skip_line_markers_are_ignored
sample_data = "line,1,a\n\"#not\",a,line\nline,2,b"
c = CSV.new sample_data, :skip_lines => /\A\s*#/
assert_equal c.each.to_a, [["line", "1", "a"], ["#not", "a", "line"], ["line", "2", "b"]]
end
end