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|
# frozen_string_literal: false
require_relative "../helper"
class TestCSVParseSkipLines < Test::Unit::TestCase
extend DifferentOFS
include Helper
def test_default
csv = CSV.new("a,b,c\n")
assert_nil(csv.skip_lines)
end
def test_regexp
csv = <<-CSV
1
#2
#3
4
CSV
assert_equal([
["1"],
["4"],
],
CSV.parse(csv, :skip_lines => /\A\s*#/))
end
def test_regexp_quoted
csv = <<-CSV
1
#2
"#3"
4
CSV
assert_equal([
["1"],
["#3"],
["4"],
],
CSV.parse(csv, :skip_lines => /\A\s*#/))
end
def test_string
csv = <<-CSV
1
.2
3.
4
CSV
assert_equal([
["1"],
["4"],
],
CSV.parse(csv, :skip_lines => "."))
end
class RegexStub
end
def test_not_matchable
regex_stub = RegexStub.new
csv = CSV.new("1\n", :skip_lines => regex_stub)
error = assert_raise(ArgumentError) do
csv.shift
end
assert_equal(":skip_lines has to respond to #match: #{regex_stub.inspect}",
error.message)
end
class Matchable
def initialize(pattern)
@pattern = pattern
end
def match(line)
@pattern.match(line)
end
end
def test_matchable
csv = <<-CSV
1
# 2
3
# 4
CSV
assert_equal([
["1"],
["3"],
],
CSV.parse(csv, :skip_lines => Matchable.new(/\A#/)))
end
def test_multibyte_data
# U+3042 HIRAGANA LETTER A
# U+3044 HIRAGANA LETTER I
# U+3046 HIRAGANA LETTER U
value = "\u3042\u3044\u3046"
with_chunk_size("5") do
assert_equal([[value], [value]],
CSV.parse("#{value}\n#{value}\n",
:skip_lines => /\A#/))
end
end
end
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