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1bd1128989
FasterCSV releases: 1.5.2 and 1.5.3. [ruby-core:25038] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
416 lines
11 KiB
Ruby
416 lines
11 KiB
Ruby
#!/usr/bin/env ruby -w
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# encoding: UTF-8
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# tc_table.rb
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#
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# Created by James Edward Gray II on 2005-10-31.
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# Copyright 2005 James Edward Gray II. You can redistribute or modify this code
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# under the terms of Ruby's license.
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require "test/unit"
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require "csv"
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class TestCSVTable < Test::Unit::TestCase
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def setup
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@rows = [ CSV::Row.new(%w{A B C}, [1, 2, 3]),
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CSV::Row.new(%w{A B C}, [4, 5, 6]),
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CSV::Row.new(%w{A B C}, [7, 8, 9]) ]
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@table = CSV::Table.new(@rows)
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@header_table = CSV::Table.new(
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[CSV::Row.new(%w{A B C}, %w{A B C}, true)] + @rows
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)
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end
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def test_initialze
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assert_not_nil(@table)
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assert_instance_of(CSV::Table, @table)
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end
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def test_modes
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assert_equal(:col_or_row, @table.mode)
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# non-destructive changes, intended for one shot calls
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cols = @table.by_col
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assert_equal(:col_or_row, @table.mode)
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assert_equal(:col, cols.mode)
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assert_equal(@table, cols)
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rows = @table.by_row
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assert_equal(:col_or_row, @table.mode)
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assert_equal(:row, rows.mode)
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assert_equal(@table, rows)
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# destructive mode changing calls
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assert_equal(@table, @table.by_row!)
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assert_equal(:row, @table.mode)
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assert_equal(@table, @table.by_col_or_row!)
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assert_equal(:col_or_row, @table.mode)
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end
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def test_headers
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assert_equal(@rows.first.headers, @table.headers)
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end
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def test_index
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##################
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### Mixed Mode ###
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##################
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# by row
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@rows.each_index { |i| assert_equal(@rows[i], @table[i]) }
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assert_equal(nil, @table[100]) # empty row
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# by col
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@rows.first.headers.each do |header|
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assert_equal(@rows.map { |row| row[header] }, @table[header])
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end
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assert_equal([nil] * @rows.size, @table["Z"]) # empty col
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# by cell, row then col
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assert_equal(2, @table[0][1])
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assert_equal(6, @table[1]["C"])
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# by cell, col then row
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assert_equal(5, @table["B"][1])
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assert_equal(9, @table["C"][2])
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# with headers (by col)
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assert_equal(["B", 2, 5, 8], @header_table["B"])
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###################
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### Column Mode ###
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###################
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@table.by_col!
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assert_equal([2, 5, 8], @table[1])
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assert_equal([2, 5, 8], @table["B"])
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################
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### Row Mode ###
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################
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@table.by_row!
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assert_equal(@rows[1], @table[1])
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assert_raise(TypeError) { @table["B"] }
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############################
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### One Shot Mode Change ###
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############################
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assert_equal(@rows[1], @table[1])
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assert_equal([2, 5, 8], @table.by_col[1])
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assert_equal(@rows[1], @table[1])
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end
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def test_set_row_or_column
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##################
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### Mixed Mode ###
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##################
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# set row
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@table[2] = [10, 11, 12]
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assert_equal([%w[A B C], [1, 2, 3], [4, 5, 6], [10, 11, 12]], @table.to_a)
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@table[3] = CSV::Row.new(%w[A B C], [13, 14, 15])
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assert_equal( [%w[A B C], [1, 2, 3], [4, 5, 6], [10, 11, 12], [13, 14, 15]],
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@table.to_a )
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# set col
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@table["Type"] = "data"
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assert_equal( [ %w[A B C Type],
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[1, 2, 3, "data"],
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[4, 5, 6, "data"],
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[10, 11, 12, "data"],
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[13, 14, 15, "data"] ],
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@table.to_a )
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@table["Index"] = [1, 2, 3]
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assert_equal( [ %w[A B C Type Index],
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[1, 2, 3, "data", 1],
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[4, 5, 6, "data", 2],
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[10, 11, 12, "data", 3],
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[13, 14, 15, "data", nil] ],
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@table.to_a )
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@table["B"] = [100, 200]
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assert_equal( [ %w[A B C Type Index],
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[1, 100, 3, "data", 1],
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[4, 200, 6, "data", 2],
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[10, nil, 12, "data", 3],
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[13, nil, 15, "data", nil] ],
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@table.to_a )
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# verify resulting table
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assert_equal(<<-END_RESULT.gsub(/^\s+/, ""), @table.to_csv)
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A,B,C,Type,Index
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1,100,3,data,1
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4,200,6,data,2
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10,,12,data,3
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13,,15,data,
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END_RESULT
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# with headers
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@header_table["Type"] = "data"
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assert_equal(%w[Type data data data], @header_table["Type"])
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###################
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### Column Mode ###
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###################
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@table.by_col!
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@table[1] = [2, 5, 11, 14]
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assert_equal( [ %w[A B C Type Index],
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[1, 2, 3, "data", 1],
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[4, 5, 6, "data", 2],
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[10, 11, 12, "data", 3],
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[13, 14, 15, "data", nil] ],
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@table.to_a )
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@table["Extra"] = "new stuff"
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assert_equal( [ %w[A B C Type Index Extra],
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[1, 2, 3, "data", 1, "new stuff"],
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[4, 5, 6, "data", 2, "new stuff"],
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[10, 11, 12, "data", 3, "new stuff"],
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[13, 14, 15, "data", nil, "new stuff"] ],
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@table.to_a )
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################
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### Row Mode ###
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################
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@table.by_row!
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@table[1] = (1..6).to_a
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assert_equal( [ %w[A B C Type Index Extra],
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[1, 2, 3, "data", 1, "new stuff"],
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[1, 2, 3, 4, 5, 6],
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[10, 11, 12, "data", 3, "new stuff"],
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[13, 14, 15, "data", nil, "new stuff"] ],
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@table.to_a )
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assert_raise(TypeError) { @table["Extra"] = nil }
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end
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def test_each
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######################
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### Mixed/Row Mode ###
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######################
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i = 0
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@table.each do |row|
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assert_equal(@rows[i], row)
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i += 1
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end
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# verify that we can chain the call
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assert_equal(@table, @table.each { })
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###################
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### Column Mode ###
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###################
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@table.by_col!
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headers = @table.headers
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@table.each do |header, column|
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assert_equal(headers.shift, header)
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assert_equal(@table[header], column)
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end
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############################
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### One Shot Mode Change ###
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############################
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@table.by_col_or_row!
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@table.each { |row| assert_instance_of(CSV::Row, row) }
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@table.by_col.each { |tuple| assert_instance_of(Array, tuple) }
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@table.each { |row| assert_instance_of(CSV::Row, row) }
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end
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def test_enumerable
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assert_equal( @rows.values_at(0, 2),
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@table.select { |row| (row["B"] % 2).zero? } )
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assert_equal(@rows[1], @table.find { |row| row["C"] > 5 })
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end
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def test_to_a
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assert_equal([%w[A B C], [1, 2, 3], [4, 5, 6], [7, 8, 9]], @table.to_a)
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# with headers
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assert_equal( [%w[A B C], [1, 2, 3], [4, 5, 6], [7, 8, 9]],
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@header_table.to_a )
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end
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def test_to_csv
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csv = <<-END_CSV.gsub(/^\s+/, "")
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A,B,C
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1,2,3
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4,5,6
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7,8,9
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END_CSV
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# normal conversion
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assert_equal(csv, @table.to_csv)
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assert_equal(csv, @table.to_s) # alias
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# with options
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assert_equal( csv.gsub(",", "|").gsub("\n", "\r\n"),
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@table.to_csv(col_sep: "|", row_sep: "\r\n") )
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assert_equal( csv.lines.to_a[1..-1].join,
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@table.to_csv(:write_headers => false) )
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# with headers
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assert_equal(csv, @header_table.to_csv)
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end
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def test_append
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# verify that we can chain the call
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assert_equal(@table, @table << [10, 11, 12])
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# Array append
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assert_equal(CSV::Row.new(%w[A B C], [10, 11, 12]), @table[-1])
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# Row append
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assert_equal(@table, @table << CSV::Row.new(%w[A B C], [13, 14, 15]))
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assert_equal(CSV::Row.new(%w[A B C], [13, 14, 15]), @table[-1])
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end
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def test_delete
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##################
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### Mixed Mode ###
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##################
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# delete a row
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assert_equal(@rows[1], @table.delete(1))
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# delete a col
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assert_equal(@rows.map { |row| row["A"] }, @table.delete("A"))
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# verify resulting table
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assert_equal(<<-END_RESULT.gsub(/^\s+/, ""), @table.to_csv)
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B,C
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2,3
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8,9
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END_RESULT
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###################
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### Column Mode ###
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###################
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setup
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@table.by_col!
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assert_equal(@rows.map { |row| row[0] }, @table.delete(0))
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assert_equal(@rows.map { |row| row["C"] }, @table.delete("C"))
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# verify resulting table
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assert_equal(<<-END_RESULT.gsub(/^\s+/, ""), @table.to_csv)
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B
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2
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5
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8
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END_RESULT
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################
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### Row Mode ###
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################
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setup
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@table.by_row!
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assert_equal(@rows[1], @table.delete(1))
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assert_raise(TypeError) { @table.delete("C") }
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# verify resulting table
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assert_equal(<<-END_RESULT.gsub(/^\s+/, ""), @table.to_csv)
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A,B,C
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1,2,3
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7,8,9
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END_RESULT
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end
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def test_delete_with_blank_rows
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data = "col1,col2\nra1,ra2\n\nrb1,rb2"
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table = CSV.parse(data, :headers => true)
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assert_equal(["ra2", nil, "rb2"], table.delete("col2"))
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end
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def test_delete_if
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######################
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### Mixed/Row Mode ###
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######################
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# verify that we can chain the call
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assert_equal(@table, @table.delete_if { |row| (row["B"] % 2).zero? })
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# verify resulting table
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assert_equal(<<-END_RESULT.gsub(/^\s+/, ""), @table.to_csv)
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A,B,C
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4,5,6
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END_RESULT
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###################
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### Column Mode ###
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###################
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setup
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@table.by_col!
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assert_equal(@table, @table.delete_if { |h, v| h > "A" })
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assert_equal(<<-END_RESULT.gsub(/^\s+/, ""), @table.to_csv)
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A
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1
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4
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7
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END_RESULT
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end
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def test_values_at
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##################
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### Mixed Mode ###
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##################
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# rows
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assert_equal(@rows.values_at(0, 2), @table.values_at(0, 2))
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assert_equal(@rows.values_at(1..2), @table.values_at(1..2))
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# cols
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assert_equal([[1, 3], [4, 6], [7, 9]], @table.values_at("A", "C"))
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assert_equal([[2, 3], [5, 6], [8, 9]], @table.values_at("B".."C"))
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###################
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### Column Mode ###
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###################
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@table.by_col!
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assert_equal([[1, 3], [4, 6], [7, 9]], @table.values_at(0, 2))
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assert_equal([[1, 3], [4, 6], [7, 9]], @table.values_at("A", "C"))
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################
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### Row Mode ###
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################
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@table.by_row!
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assert_equal(@rows.values_at(0, 2), @table.values_at(0, 2))
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assert_raise(TypeError) { @table.values_at("A", "C") }
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############################
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### One Shot Mode Change ###
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############################
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assert_equal(@rows.values_at(0, 2), @table.values_at(0, 2))
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assert_equal([[1, 3], [4, 6], [7, 9]], @table.by_col.values_at(0, 2))
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assert_equal(@rows.values_at(0, 2), @table.values_at(0, 2))
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end
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def test_array_delegation
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assert(!@table.empty?, "Table was empty.")
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assert_equal(@rows.size, @table.size)
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end
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def test_inspect_shows_current_mode
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str = @table.inspect
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assert(str.include?("mode:#{@table.mode}"), "Mode not shown.")
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@table.by_col!
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str = @table.inspect
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assert(str.include?("mode:#{@table.mode}"), "Mode not shown.")
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end
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def test_inspect_encoding_is_ascii_compatible
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assert( Encoding.compatible?( Encoding.find("US-ASCII"),
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@table.inspect.encoding ),
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"inspect() was not ASCII compatible." )
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end
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end
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