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refactoring transpose method #15

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refactoring transpose method #15

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11 changes: 0 additions & 11 deletions lib/transport.rb
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5 changes: 5 additions & 0 deletions lib/transpose.rb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
def transpose(matrix_text)
source_array = matrix_text.lines.map(&:split)
source_array.transpose.map{ |array| array.join(" ")}.join("\n")
end

12 changes: 6 additions & 6 deletions test/transport_test.rb → test/transpose_test.rb
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Original file line number Diff line number Diff line change
@@ -1,14 +1,14 @@
require 'minitest/autorun'
require './lib/transport'
require './lib/transpose'

class TransportTest < MiniTest::Test
def test_transport
class TransposeTest < MiniTest::Test
def test_transpose
input = "1 2 3\n4 5 6\n7 8 9"
output = "1 4 7\n2 5 8\n3 6 9"
assert_equal output, transport(input)
assert_equal output, transpose(input)

input = "1 2 3\n4 5 6\n7 8 9\n10 11 12"
output = "1 4 7 10\n2 5 8 11\n3 6 9 12"
assert_equal output, transport(input)
assert_equal output, transpose(input)
end
end
end