Upgrade CSV to 3.0.4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66922 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/csv/parse/test_convert.rb

@@ -0,0 +1,110 @@
+# -*- coding: utf-8 -*-
+# frozen_string_literal: false
+
+require_relative "../helper"
+
+class TestCSVParseConvert < Test::Unit::TestCase
+  extend DifferentOFS
+
+  def setup
+    super
+    @data   = "Numbers,:integer,1,:float,3.015"
+    @parser = CSV.new(@data)
+
+    @custom = lambda {|field| /\A:(\S.*?)\s*\Z/ =~ field ? $1.to_sym : field}
+
+    @time = Time.utc(2018, 12, 30, 6, 41, 29)
+    @windows_safe_time_data = @time.strftime("%a %b %d %H:%M:%S %Y")
+  end
+
+  def test_integer
+    @parser.convert(:integer)
+    assert_equal(["Numbers", ":integer", 1, ":float", "3.015"],
+                 @parser.shift)
+  end
+
+  def test_float
+    @parser.convert(:float)
+    assert_equal(["Numbers", ":integer", 1.0, ":float", 3.015],
+                 @parser.shift)
+  end
+
+  def test_float_integer
+    @parser.convert(:float)
+    @parser.convert(:integer)
+    assert_equal(["Numbers", ":integer", 1.0, ":float", 3.015],
+                 @parser.shift)
+  end
+
+  def test_integer_float
+    @parser.convert(:integer)
+    @parser.convert(:float)
+    assert_equal(["Numbers", ":integer", 1, ":float", 3.015],
+                 @parser.shift)
+  end
+
+  def test_numberic
+    @parser.convert(:numeric)
+    assert_equal(["Numbers", ":integer", 1, ":float", 3.015],
+                 @parser.shift)
+  end
+
+  def test_all
+    @data   << ",#{@windows_safe_time_data}"
+    @parser =  CSV.new(@data)
+    @parser.convert(:all)
+    assert_equal(["Numbers", ":integer", 1, ":float", 3.015, @time.to_datetime],
+                 @parser.shift)
+  end
+
+  def test_custom
+    @parser.convert do |field|
+      /\A:(\S.*?)\s*\Z/ =~ field ? $1.to_sym : field
+    end
+    assert_equal(["Numbers", :integer, "1", :float, "3.015"],
+                 @parser.shift)
+  end
+
+  def test_builtin_custom
+    @parser.convert(:numeric)
+    @parser.convert(&@custom)
+    assert_equal(["Numbers", :integer, 1, :float, 3.015],
+                 @parser.shift)
+  end
+
+  def test_custom_field_info_line
+    @parser.convert do |field, info|
+      assert_equal(1, info.line)
+      info.index == 4 ? Float(field).floor : field
+    end
+    assert_equal(["Numbers", ":integer", "1", ":float", 3],
+                 @parser.shift)
+  end
+
+  def test_custom_field_info_header
+    headers = ["one", "two", "three", "four", "five"]
+    @parser = CSV.new(@data, headers: headers)
+    @parser.convert do |field, info|
+      info.header == "three" ? Integer(field) * 100 : field
+    end
+    assert_equal(CSV::Row.new(headers,
+                              ["Numbers", ":integer", 100, ":float", "3.015"]),
+                 @parser.shift)
+  end
+
+  def test_custom_blank_field
+    converter = lambda {|field| field.nil?}
+    row = CSV.parse_line('nil,', converters: converter)
+    assert_equal([false, true], row)
+  end
+
+  def test_nil_value
+    assert_equal(["nil", "", "a"],
+                 CSV.parse_line(',"",a', nil_value: "nil"))
+  end
+
+  def test_empty_value
+    assert_equal([nil, "empty", "a"],
+                 CSV.parse_line(',"",a', empty_value: "empty"))
+  end
+end