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-rw-r--r--test/csv/tc_features.rb177
1 files changed, 177 insertions, 0 deletions
diff --git a/test/csv/tc_features.rb b/test/csv/tc_features.rb
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+#!/usr/local/bin/ruby -w
+
+# tc_features.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 "zlib"
+
+require "csv"
+
+class TestCSVFeatures < Test::Unit::TestCase
+ TEST_CASES = [ [%Q{a,b}, ["a", "b"]],
+ [%Q{a,"""b"""}, ["a", "\"b\""]],
+ [%Q{a,"""b"}, ["a", "\"b"]],
+ [%Q{a,"b"""}, ["a", "b\""]],
+ [%Q{a,"\nb"""}, ["a", "\nb\""]],
+ [%Q{a,"""\nb"}, ["a", "\"\nb"]],
+ [%Q{a,"""\nb\n"""}, ["a", "\"\nb\n\""]],
+ [%Q{a,"""\nb\n""",\nc}, ["a", "\"\nb\n\"", nil]],
+ [%Q{a,,,}, ["a", nil, nil, nil]],
+ [%Q{,}, [nil, nil]],
+ [%Q{"",""}, ["", ""]],
+ [%Q{""""}, ["\""]],
+ [%Q{"""",""}, ["\"",""]],
+ [%Q{,""}, [nil,""]],
+ [%Q{,"\r"}, [nil,"\r"]],
+ [%Q{"\r\n,"}, ["\r\n,"]],
+ [%Q{"\r\n,",}, ["\r\n,", nil]] ]
+
+ def setup
+ @sample_data = <<-END_DATA.gsub(/^ +/, "")
+ line,1,abc
+ line,2,"def\nghi"
+
+ line,4,jkl
+ END_DATA
+ @csv = CSV.new(@sample_data)
+ end
+
+ def test_col_sep
+ [";", "\t"].each do |sep|
+ TEST_CASES.each do |test_case|
+ assert_equal( test_case.last.map { |t| t.tr(",", sep) unless t.nil? },
+ CSV.parse_line( test_case.first.tr(",", sep),
+ :col_sep => sep ) )
+ end
+ end
+ assert_equal([",,,", nil], CSV.parse_line(",,,;", :col_sep => ";"))
+ end
+
+ def test_row_sep
+ assert_raise(CSV::MalformedCSVError) do
+ CSV.parse_line("1,2,3\n,4,5\r\n", :row_sep => "\r\n")
+ end
+ assert_equal( ["1", "2", "3\n", "4", "5"],
+ CSV.parse_line(%Q{1,2,"3\n",4,5\r\n}, :row_sep => "\r\n"))
+ end
+
+ def test_quote_char
+ TEST_CASES.each do |test_case|
+ assert_equal( test_case.last.map { |t| t.tr('"', "'") unless t.nil? },
+ CSV.parse_line( test_case.first.tr('"', "'"),
+ :quote_char => "'" ) )
+ end
+ end
+
+ def test_row_sep_auto_discovery
+ ["\r\n", "\n", "\r"].each do |line_end|
+ data = "1,2,3#{line_end}4,5#{line_end}"
+ discovered = CSV.new(data).instance_eval { @row_sep }
+ assert_equal(line_end, discovered)
+ end
+
+ assert_equal("\n", CSV.new("\n\r\n\r").instance_eval { @row_sep })
+
+ assert_equal($/, CSV.new("").instance_eval { @row_sep })
+
+ assert_equal($/, CSV.new(STDERR).instance_eval { @row_sep })
+ end
+
+ def test_lineno
+ assert_equal(5, @sample_data.to_a.size)
+
+ 4.times do |line_count|
+ assert_equal(line_count, @csv.lineno)
+ assert_not_nil(@csv.shift)
+ assert_equal(line_count + 1, @csv.lineno)
+ end
+ assert_nil(@csv.shift)
+ end
+
+ def test_readline
+ test_lineno
+
+ @csv.rewind
+
+ test_lineno
+ end
+
+ def test_unknown_options
+ assert_raise(ArgumentError) { CSV.new(String.new, :unknown => :error) }
+ end
+
+ def test_skip_blanks
+ assert_equal(4, @csv.to_a.size)
+
+ @csv = CSV.new(@sample_data, :skip_blanks => true)
+
+ count = 0
+ @csv.each do |row|
+ count += 1
+ assert_equal("line", row.first)
+ end
+ assert_equal(3, count)
+ end
+
+ # reported by Kev Jackson
+ def test_failing_to_escape_col_sep_bug_fix
+ assert_nothing_raised(Exception) { CSV.new(String.new, :col_sep => "|") }
+ end
+
+ # reported by Chris Roos
+ def test_failing_to_reset_headers_in_rewind_bug_fix
+ csv = CSV.new("forename,surname", :headers => true, :return_headers => true)
+ csv.each { |row| assert row.header_row? }
+ csv.rewind
+ csv.each { |row| assert row.header_row? }
+ end
+
+ # reported by Dave Burt
+ def test_leading_empty_fields_with_multibyte_col_sep_bug_fix
+ data = <<-END_DATA.gsub(/^\s+/, "")
+ <=><=>A<=>B<=>C
+ 1<=>2<=>3
+ END_DATA
+ parsed = CSV.parse(data, :col_sep => "<=>")
+ assert_equal([[nil, nil, "A", "B", "C"], ["1", "2", "3"]], parsed)
+ end
+
+ def test_gzip_reader_bug_fix
+ zipped = nil
+ assert_nothing_raised(NoMethodError) do
+ zipped = CSV.new(
+ Zlib::GzipReader.open(
+ File.join(File.dirname(__FILE__), "line_endings.gz")
+ )
+ )
+ end
+ assert_equal("\r\n", zipped.instance_eval { @row_sep })
+ end
+
+ def test_gzip_writer_bug_fix
+ file = File.join(File.dirname(__FILE__), "temp.gz")
+ zipped = nil
+ assert_nothing_raised(NoMethodError) do
+ zipped = CSV.new(Zlib::GzipWriter.open(file))
+ end
+ zipped << %w[one two three]
+ zipped << [1, 2, 3]
+ zipped.close
+
+ assert( Zlib::GzipReader.open(file) { |f| f.read }.
+ include?($INPUT_RECORD_SEPARATOR),
+ "@row_sep did not default" )
+ File.unlink(file)
+ end
+
+ def test_version
+ assert_not_nil(CSV::VERSION)
+ assert_instance_of(String, CSV::VERSION)
+ assert(CSV::VERSION.frozen?)
+ assert_match(/\A\d\.\d\.\d\Z/, CSV::VERSION)
+ end
+end