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# frozen_string_literal: false
require_relative "../helper"
class TestCSVInterfaceReadWrite < Test::Unit::TestCase
extend DifferentOFS
def test_filter
input = <<-CSV
1;2;3
4;5
CSV
output = ""
CSV.filter(input, output,
in_col_sep: ";",
out_col_sep: ",",
converters: :all) do |row|
row.map! {|n| n * 2}
row << "Added\r"
end
assert_equal(<<-CSV, output)
2,4,6,"Added\r"
8,10,"Added\r"
CSV
end
def test_instance_same
data = ""
assert_equal(CSV.instance(data, col_sep: ";").object_id,
CSV.instance(data, col_sep: ";").object_id)
end
def test_instance_append
output = ""
CSV.instance(output, col_sep: ";") << ["a", "b", "c"]
assert_equal(<<-CSV, output)
a;b;c
CSV
CSV.instance(output, col_sep: ";") << [1, 2, 3]
assert_equal(<<-CSV, output)
a;b;c
1;2;3
CSV
end
def test_instance_shortcut
assert_equal(CSV.instance,
CSV {|csv| csv})
end
end
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