1 files changed, 117 insertions, 0 deletions
diff --git a/test/csv/parse/test_unconverted_fields.rb b/test/csv/parse/test_unconverted_fields.rb
new file mode 100644
index 0000000000..437124ebd3
--- /dev/null
+++ b/test/csv/parse/test_unconverted_fields.rb
@@ -0,0 +1,117 @@
+# -*- coding: utf-8 -*-
+# frozen_string_literal: false
+
+require_relative "../helper"
+
+class TestCSVParseUnconvertedFields < Test::Unit::TestCase
+  extend DifferentOFS
+
+  def setup
+    super
+    @custom = lambda {|field| /\A:(\S.*?)\s*\Z/ =~ field ? $1.to_sym : field}
+
+    @headers = ["first", "second", "third"]
+    @data = <<-CSV
+first,second,third
+1,2,3
+    CSV
+  end
+
+
+  def test_custom
+    row = CSV.parse_line("Numbers,:integer,1,:float,3.015",
+                         converters:         [:numeric, @custom],
+                         unconverted_fields: true)
+    assert_equal([
+                   ["Numbers", :integer, 1, :float, 3.015],
+                   ["Numbers", ":integer", "1", ":float", "3.015"],
+                 ],
+                 [
+                   row,
+                   row.unconverted_fields,
+                 ])
+  end
+
+  def test_no_fields
+    row = CSV.parse_line("\n",
+                         converters:         [:numeric, @custom],
+                         unconverted_fields: true)
+    assert_equal([
+                   [],
+                   [],
+                 ],
+                 [
+                   row,
+                   row.unconverted_fields,
+                 ])
+  end
+
+  def test_parsed_header
+    row = CSV.parse_line(@data,
+                         converters:         :numeric,
+                         unconverted_fields: true,
+                         headers:            :first_row)
+    assert_equal([
+                   CSV::Row.new(@headers,
+                                [1, 2, 3]),
+                   ["1", "2", "3"],
+                 ],
+                 [
+                   row,
+                   row.unconverted_fields,
+                 ])
+  end
+
+  def test_return_headers
+    row = CSV.parse_line(@data,
+                         converters:         :numeric,
+                         unconverted_fields: true,
+                         headers:            :first_row,
+                         return_headers:     true)
+    assert_equal([
+                   CSV::Row.new(@headers,
+                                @headers),
+                   @headers,
+                 ],
+                 [
+                   row,
+                   row.unconverted_fields,
+                 ])
+  end
+
+  def test_header_converters
+    row = CSV.parse_line(@data,
+                         converters:         :numeric,
+                         unconverted_fields: true,
+                         headers:            :first_row,
+                         return_headers:     true,
+                         header_converters:  :symbol)
+    assert_equal([
+                   CSV::Row.new(@headers.collect(&:to_sym),
+                                @headers),
+                   @headers,
+                 ],
+                 [
+                   row,
+                   row.unconverted_fields,
+                 ])
+  end
+
+  def test_specified_headers
+    row = CSV.parse_line("\n",
+                         converters:         :numeric,
+                         unconverted_fields: true,
+                         headers:            %w{my new headers},
+                         return_headers:     true,
+                         header_converters:  :symbol)
+    assert_equal([
+                   CSV::Row.new([:my, :new, :headers],
+                                ["my", "new", "headers"]),
+                   [],
+                 ],
+                 [
+                   row,
+                   row.unconverted_fields,
+                 ])
+  end
+end