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diff --git a/trunk/test/csv/tc_data_converters.rb b/trunk/test/csv/tc_data_converters.rb
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-#!/usr/local/bin/ruby -w
-
-# tc_data_converters.rb
-#
-# Created by James Edward Gray II on 2005-10-31.
-# Copyright 2005 James Edward Gray II. You can redistribute or modify this code
-# under the terms of Ruby's license.
-
-require "test/unit"
-
-require "csv"
-
-class TestDataConverters < Test::Unit::TestCase
- def setup
- @data = "Numbers,:integer,1,:float,3.015"
- @parser = CSV.new(@data)
-
- @custom = lambda { |field| field =~ /\A:(\S.*?)\s*\Z/ ? $1.to_sym : field }
-
- @win_safe_time_str = Time.now.strftime("%a %b %d %H:%M:%S %Y")
- end
-
- def test_builtin_integer_converter
- # does convert
- [-5, 1, 10000000000].each do |n|
- assert_equal(n, CSV::Converters[:integer][n.to_s])
- end
-
- # does not convert
- (%w{junk 1.0} + [""]).each do |str|
- assert_equal(str, CSV::Converters[:integer][str])
- end
- end
-
- def test_builtin_float_converter
- # does convert
- [-5.1234, 0, 2.3e-11].each do |n|
- assert_equal(n, CSV::Converters[:float][n.to_s])
- end
-
- # does not convert
- (%w{junk 1..0 .015F} + [""]).each do |str|
- assert_equal(str, CSV::Converters[:float][str])
- end
- end
-
- def test_builtin_date_converter
- # does convert
- assert_instance_of(
- Date,
- CSV::Converters[:date][@win_safe_time_str.sub(/\d+:\d+:\d+ /, "")]
- )
-
- # does not convert
- assert_instance_of(String, CSV::Converters[:date]["junk"])
- end
-
- def test_builtin_date_time_converter
- # does convert
- assert_instance_of( DateTime,
- CSV::Converters[:date_time][@win_safe_time_str] )
-
- # does not convert
- assert_instance_of(String, CSV::Converters[:date_time]["junk"])
- end
-
- def test_convert_with_builtin
- # setup parser...
- assert(@parser.respond_to?(:convert))
- assert_nothing_raised(Exception) { @parser.convert(:integer) }
-
- # and use
- assert_equal(["Numbers", ":integer", 1, ":float", "3.015"], @parser.shift)
-
- setup # reset
-
- # setup parser...
- assert_nothing_raised(Exception) { @parser.convert(:float) }
-
- # and use
- assert_equal(["Numbers", ":integer", 1.0, ":float", 3.015], @parser.shift)
- end
-
- def test_convert_order
- # floats first, then integers...
- assert_nothing_raised(Exception) do
- @parser.convert(:float)
- @parser.convert(:integer)
- end
-
- # gets us nothing but floats
- assert_equal( [String, String, Float, String, Float],
- @parser.shift.map { |field| field.class } )
-
- setup # reset
-
- # integers have precendance...
- assert_nothing_raised(Exception) do
- @parser.convert(:integer)
- @parser.convert(:float)
- end
-
- # gives us proper number conversion
- assert_equal( [String, String, Fixnum, String, Float],
- @parser.shift.map { |field| field.class } )
- end
-
- def test_builtin_numeric_combo_converter
- # setup parser...
- assert_nothing_raised(Exception) { @parser.convert(:numeric) }
-
- # and use
- assert_equal( [String, String, Fixnum, String, Float],
- @parser.shift.map { |field| field.class } )
- end
-
- def test_builtin_all_nested_combo_converter
- # setup parser...
- @data << ",#{@win_safe_time_str}" # add a DateTime field
- @parser = CSV.new(@data) # reset parser
- assert_nothing_raised(Exception) { @parser.convert(:all) }
-
- # and use
- assert_equal( [String, String, Fixnum, String, Float, DateTime],
- @parser.shift.map { |field| field.class } )
- end
-
- def test_convert_with_custom_code
- # define custom converter...
- assert_nothing_raised(Exception) do
- @parser.convert { |field| field =~ /\A:(\S.*?)\s*\Z/ ? $1.to_sym : field }
- end
-
- # and use
- assert_equal(["Numbers", :integer, "1", :float, "3.015"], @parser.shift)
-
- setup # reset
-
- # mix built-in and custom...
- assert_nothing_raised(Exception) { @parser.convert(:numeric) }
- assert_nothing_raised(Exception) { @parser.convert(&@custom) }
-
- # and use
- assert_equal(["Numbers", :integer, 1, :float, 3.015], @parser.shift)
- end
-
- def test_convert_with_custom_code_using_field_info
- # define custom converter that uses field information...
- assert_nothing_raised(Exception) do
- @parser.convert do |field, info|
- assert_equal(1, info.line)
- info.index == 4 ? Float(field).floor : field
- end
- end
-
- # and use
- assert_equal(["Numbers", ":integer", "1", ":float", 3], @parser.shift)
- end
-
- def test_convert_with_custom_code_using_field_info_header
- @parser = CSV.new(@data, :headers => %w{one two three four five})
-
- # define custom converter that uses field header information...
- assert_nothing_raised(Exception) do
- @parser.convert do |field, info|
- info.header == "three" ? Integer(field) * 100 : field
- end
- end
-
- # and use
- assert_equal( ["Numbers", ":integer", 100, ":float", "3.015"],
- @parser.shift.fields )
- end
-
- def test_shortcut_interface
- assert_equal( ["Numbers", ":integer", 1, ":float", 3.015],
- CSV.parse_line(@data, :converters => :numeric) )
-
- assert_equal( ["Numbers", ":integer", 1, ":float", 3.015],
- CSV.parse_line(@data, :converters => [:integer, :float]) )
-
- assert_equal( ["Numbers", :integer, 1, :float, 3.015],
- CSV.parse_line(@data, :converters => [:numeric, @custom]) )
- end
-
- def test_unconverted_fields
- [ [ @data,
- ["Numbers", :integer, 1, :float, 3.015],
- %w{Numbers :integer 1 :float 3.015} ],
- ["\n", Array.new, Array.new] ].each do |test, fields, unconverted|
- row = nil
- assert_nothing_raised(Exception) do
- row = CSV.parse_line( test,
- :converters => [:numeric, @custom],
- :unconverted_fields => true )
- end
- assert_not_nil(row)
- assert_equal(fields, row)
- assert_respond_to(row, :unconverted_fields)
- assert_equal(unconverted, row.unconverted_fields)
- end
-
- data = <<-END_CSV.gsub(/^\s+/, "")
- first,second,third
- 1,2,3
- END_CSV
- row = nil
- assert_nothing_raised(Exception) do
- row = CSV.parse_line( data,
- :converters => :numeric,
- :unconverted_fields => true,
- :headers => :first_row )
- end
- assert_not_nil(row)
- assert_equal([["first", 1], ["second", 2], ["third", 3]], row.to_a)
- assert_respond_to(row, :unconverted_fields)
- assert_equal(%w{1 2 3}, row.unconverted_fields)
-
- assert_nothing_raised(Exception) do
- row = CSV.parse_line( data,
- :converters => :numeric,
- :unconverted_fields => true,
- :headers => :first_row,
- :return_headers => true )
- end
- assert_not_nil(row)
- assert_equal( [%w{first first}, %w{second second}, %w{third third}],
- row.to_a )
- assert_respond_to(row, :unconverted_fields)
- assert_equal(%w{first second third}, row.unconverted_fields)
-
- assert_nothing_raised(Exception) do
- row = CSV.parse_line( data,
- :converters => :numeric,
- :unconverted_fields => true,
- :headers => :first_row,
- :return_headers => true,
- :header_converters => :symbol )
- end
- assert_not_nil(row)
- assert_equal( [[:first, "first"], [:second, "second"], [:third, "third"]],
- row.to_a )
- assert_respond_to(row, :unconverted_fields)
- assert_equal(%w{first second third}, row.unconverted_fields)
-
- assert_nothing_raised(Exception) do
- row = CSV.parse_line( data,
- :converters => :numeric,
- :unconverted_fields => true,
- :headers => %w{my new headers},
- :return_headers => true,
- :header_converters => :symbol )
- end
- assert_not_nil(row)
- assert_equal( [[:my, "my"], [:new, "new"], [:headers, "headers"]],
- row.to_a )
- assert_respond_to(row, :unconverted_fields)
- assert_equal(Array.new, row.unconverted_fields)
- end
-end
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