Fresh start

1 files changed, 327 insertions, 0 deletions

diff --git a/jni/ruby/test/csv/test_features.rb b/jni/ruby/test/csv/test_features.rb
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+#!/usr/bin/env ruby -w
+# encoding: UTF-8
+
+# 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.
+
+begin
+  require "zlib"
+rescue LoadError
+end
+
+require_relative "base"
+require "tempfile"
+
+class TestCSV::Features < TestCSV
+  extend DifferentOFS
+
+  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
+    super
+    @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_bug_8405
+    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_csv_char_readers
+    %w[col_sep row_sep quote_char].each do |reader|
+      csv = CSV.new("abc,def", reader.to_sym => "|")
+      assert_equal("|", csv.send(reader))
+    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).row_sep
+      assert_equal(line_end, discovered)
+    end
+
+    assert_equal("\n", CSV.new("\n\r\n\r").row_sep)
+
+    assert_equal($/, CSV.new("").row_sep)
+
+    assert_equal($/, CSV.new(STDERR).row_sep)
+  end
+
+  def test_lineno
+    assert_equal(5, @sample_data.lines.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_with_message(ArgumentError, /unknown/) {
+      CSV.new(@sample_data, 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
+
+  def test_csv_behavior_readers
+    %w[ unconverted_fields return_headers write_headers
+        skip_blanks        force_quotes ].each do |behavior|
+      assert_not_predicate(CSV.new("abc,def"), "#{behavior}?", "Behavior defaulted to on.")
+      csv = CSV.new("abc,def", behavior.to_sym => true)
+      assert_predicate(csv, "#{behavior}?", "Behavior change now registered.")
+    end
+  end
+
+  def test_converters_reader
+    # no change
+    assert_equal( [:integer],
+                  CSV.new("abc,def", converters: [:integer]).converters )
+
+    # just one
+    assert_equal( [:integer],
+                  CSV.new("abc,def", converters: :integer).converters )
+
+    # expanded
+    assert_equal( [:integer, :float],
+                  CSV.new("abc,def", converters: :numeric).converters )
+
+    # custom
+    csv = CSV.new("abc,def", converters: [:integer, lambda {  }])
+    assert_equal(2, csv.converters.size)
+    assert_equal(:integer, csv.converters.first)
+    assert_instance_of(Proc, csv.converters.last)
+  end
+
+  def test_header_converters_reader
+    # no change
+    hc = :header_converters
+    assert_equal([:downcase], CSV.new("abc,def", hc => [:downcase]).send(hc))
+
+    # just one
+    assert_equal([:downcase], CSV.new("abc,def", hc => :downcase).send(hc))
+
+    # custom
+    csv = CSV.new("abc,def", hc => [:symbol, lambda {  }])
+    assert_equal(2, csv.send(hc).size)
+    assert_equal(:symbol, csv.send(hc).first)
+    assert_instance_of(Proc, csv.send(hc).last)
+  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_predicate row, :header_row?}
+    csv.rewind
+    csv.each {|row| assert_predicate 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.row_sep)
+  ensure
+    zipped.close
+  end if defined?(Zlib::GzipReader)
+
+  def test_gzip_writer_bug_fix
+    Tempfile.create(%w"temp .gz") {|tempfile|
+      tempfile.close
+      file = tempfile.path
+      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_include(Zlib::GzipReader.open(file) {|f| f.read},
+                     $INPUT_RECORD_SEPARATOR, "@row_sep did not default")
+    }
+  end if defined?(Zlib::GzipWriter)
+
+  def test_inspect_is_smart_about_io_types
+    str = CSV.new("string,data").inspect
+    assert_include(str, "io_type:StringIO", "IO type not detected.")
+
+    str = CSV.new($stderr).inspect
+    assert_include(str, "io_type:$stderr", "IO type not detected.")
+
+    Tempfile.create(%w"temp .csv") {|tempfile|
+      tempfile.close
+      path = tempfile.path
+      File.open(path, "w") { |csv| csv << "one,two,three\n1,2,3\n" }
+      str  = CSV.open(path) { |csv| csv.inspect }
+      assert_include(str, "io_type:File", "IO type not detected.")
+    }
+  end
+
+  def test_inspect_shows_key_attributes
+    str = @csv.inspect
+    %w[lineno col_sep row_sep quote_char].each do |attr_name|
+      assert_match(/\b#{attr_name}:[^\s>]+/, str)
+    end
+  end
+
+  def test_inspect_shows_headers_when_available
+    CSV.new("one,two,three\n1,2,3\n", headers: true) do |csv|
+      assert_include(csv.inspect, "headers:true", "Header hint not shown.")
+      csv.shift  # load headers
+      assert_match(/headers:\[[^\]]+\]/, csv.inspect)
+    end
+  end
+
+  def test_inspect_encoding_is_ascii_compatible
+    CSV.new("one,two,three\n1,2,3\n".encode("UTF-16BE")) do |csv|
+      assert_send([Encoding, :compatible?,
+                   Encoding.find("US-ASCII"), csv.inspect.encoding],
+                  "inspect() was not ASCII compatible.")
+    end
+  end
+
+  def test_version
+    assert_not_nil(CSV::VERSION)
+    assert_instance_of(String, CSV::VERSION)
+    assert_predicate(CSV::VERSION, :frozen?)
+    assert_match(/\A\d\.\d\.\d\Z/, CSV::VERSION)
+  end
+
+  def test_accepts_comment_skip_lines_option
+    assert_nothing_raised(ArgumentError) do
+      CSV.new(@sample_data, :skip_lines => /\A\s*#/)
+    end
+  end
+
+  def test_accepts_comment_defaults_to_nil
+    c = CSV.new(@sample_data)
+    assert_nil(c.skip_lines)
+  end
+
+  class RegexStub
+  end
+
+  def test_requires_skip_lines_to_call_match
+    regex_stub = RegexStub.new
+    assert_raise_with_message(ArgumentError, /skip_lines/) do
+      CSV.new(@sample_data, :skip_lines => regex_stub)
+    end
+  end
+
+  def test_comment_rows_are_ignored
+    sample_data = "line,1,a\n#not,a,line\nline,2,b\n   #also,no,line"
+    c = CSV.new sample_data, :skip_lines => /\A\s*#/
+    assert_equal [["line", "1", "a"], ["line", "2", "b"]], c.each.to_a
+  end
+
+  def test_quoted_skip_line_markers_are_ignored
+    sample_data = "line,1,a\n\"#not\",a,line\nline,2,b"
+    c = CSV.new sample_data, :skip_lines => /\A\s*#/
+    assert_equal [["line", "1", "a"], ["#not", "a", "line"], ["line", "2", "b"]], c.each.to_a
+  end
+
+  def test_string_works_like_a_regexp
+    sample_data = "line,1,a\n#(not,a,line\nline,2,b\n   also,#no,line"
+    c = CSV.new sample_data, :skip_lines => "#"
+    assert_equal [["line", "1", "a"], ["line", "2", "b"]], c.each.to_a
+  end
+
+end