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Versions: 15
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Contents
class MatrixVectorHelper
def self.column_width(rows)
rows.map(&:to_s).map(&:length).max + 2
end
end
class Matrix
def inspect
keys = BrighterPlanet::Purchase.key_map
paddings = {}
keys.each_with_index do |key, i|
paddings[key] = MatrixVectorHelper.column_width(column(i).to_a + [key])
end
str = "Matrix: (#{row_size}x#{column_size})\n"
str += '|' + (['X'.center(5)] + keys.map { |k| k.center(paddings[k]) }).join('|') + "|\n"
@rows.each_with_index do |row, i|
items = [keys[i].center(5)]
row.each_with_index { |i, col| items << i.to_s.center(paddings[keys[col]]) }
str += '|' + items.join('|') + "|\n"
end
str
end
end
class Vector
def inspect
keys = BrighterPlanet::Purchase.key_map
paddings = {}
keys.each_with_index do |key, i|
paddings[key] = MatrixVectorHelper.column_width([to_a[i],key])
end
str = "Vector: (#{size})\n"
str += '|' + (keys.map { |k| k.center(paddings[k]) }).join('|') + "|\n"
items = []
to_a.each_with_index { |r, i| items << r.to_s.center(paddings[keys[i]]) }
str += '|' + items.join('|') + "|\n"
str
end
end
RSpec::Matchers.define :have_column_values do |_expected_|
match do |actual|
ok = true
BrighterPlanet::Purchase.key_map.each_with_index do |key, index|
ok = ok && (actual[index] - _expected_[index].to_f).abs < 0.00001
end
ok
end
failure_message_for_should do |actual|
message = nil
BrighterPlanet::Purchase.key_map.each_with_index do |key, index|
unless (actual[index] - _expected_[index].to_f).abs < 0.00001
message = "expected vector at position #{key} to be #{_expected_[index]} +/- (< 0.00001), got #{actual[index]}:"
end
end
message
end
failure_message_for_should_not do |actual|
"expected #{_expected_} +/- (< #{_delta_}), got #{actual}"
end
description do
"be close to #{_expected_} (within +- #{_delta_})"
end
end
Version data entries
15 entries across 15 versions & 1 rubygems