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#!/usr/bin/env ruby | ||
gem 'minitest', '>= 5.0.0' | ||
require 'minitest/autorun' | ||
require_relative 'etl' | ||
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class TransformTest < Minitest::Test | ||
def test_transform_one_value | ||
old = { 1 => ['A'] } | ||
expected = { 'a' => 1 } | ||
# Test data version: 040a24f | ||
class EtlTest < Minitest::Test | ||
def test_a_single_letter | ||
# skip | ||
old = { | ||
'1' => ["A"], | ||
} | ||
expected = { | ||
'a' => '1', | ||
} | ||
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assert_equal expected, ETL.transform(old) | ||
end | ||
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def test_transform_more_values | ||
def test_single_score_with_multiple_letters | ||
skip | ||
old = { 1 => %w(A E I O U) } | ||
expected = { 'a' => 1, 'e' => 1, 'i' => 1, 'o' => 1, 'u' => 1 } | ||
old = { | ||
'1' => ["A", "E", "I", "O", "U"], | ||
} | ||
expected = { | ||
'a' => '1', | ||
'e' => '1', | ||
'i' => '1', | ||
'o' => '1', | ||
'u' => '1', | ||
} | ||
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assert_equal expected, ETL.transform(old) | ||
end | ||
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def test_more_keys | ||
def test_multiple_scores_with_multiple_letters | ||
skip | ||
old = { 1 => %w(A E), 2 => %w(D G) } | ||
old = { | ||
'1' => ["A", "E"], | ||
'2' => ["D", "G"], | ||
} | ||
expected = { | ||
'a' => 1, | ||
'e' => 1, | ||
'd' => 2, | ||
'g' => 2 | ||
'a' => '1', | ||
'e' => '1', | ||
'd' => '2', | ||
'g' => '2', | ||
} | ||
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assert_equal expected, ETL.transform(old) | ||
end | ||
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def test_full_dataset | ||
def test_multiple_scores_with_differing_numbers_of_letters | ||
skip | ||
old = { | ||
1 => %w(A E I O U L N R S T), | ||
2 => %w(D G), | ||
3 => %w(B C M P), | ||
4 => %w(F H V W Y), | ||
5 => %w(K), | ||
8 => %w(J X), | ||
10 => %w(Q Z) | ||
'1' => ["A", "E", "I", "O", "U", "L", "N", "R", "S", "T"], | ||
'2' => ["D", "G"], | ||
'3' => ["B", "C", "M", "P"], | ||
'4' => ["F", "H", "V", "W", "Y"], | ||
'5' => ["K"], | ||
'8' => ["J", "X"], | ||
'10' => ["Q", "Z"], | ||
} | ||
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expected = { | ||
'a' => 1, 'b' => 3, 'c' => 3, 'd' => 2, 'e' => 1, | ||
'f' => 4, 'g' => 2, 'h' => 4, 'i' => 1, 'j' => 8, | ||
'k' => 5, 'l' => 1, 'm' => 3, 'n' => 1, 'o' => 1, | ||
'p' => 3, 'q' => 10, 'r' => 1, 's' => 1, 't' => 1, | ||
'u' => 1, 'v' => 4, 'w' => 4, 'x' => 8, 'y' => 4, | ||
'z' => 10 | ||
'a' => '1', | ||
'b' => '3', | ||
'c' => '3', | ||
'd' => '2', | ||
'e' => '1', | ||
'f' => '4', | ||
'g' => '2', | ||
'h' => '4', | ||
'i' => '1', | ||
'j' => '8', | ||
'k' => '5', | ||
'l' => '1', | ||
'm' => '3', | ||
'n' => '1', | ||
'o' => '1', | ||
'p' => '3', | ||
'q' => '10', | ||
'r' => '1', | ||
's' => '1', | ||
't' => '1', | ||
'u' => '1', | ||
'v' => '4', | ||
'w' => '4', | ||
'x' => '8', | ||
'y' => '4', | ||
'z' => '10', | ||
} | ||
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assert_equal expected, ETL.transform(old) | ||
end | ||
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# Problems in exercism evolve over time, as we find better ways to ask | ||
# questions. | ||
# The version number refers to the version of the problem you solved, | ||
# not your solution. | ||
# | ||
# Define a constant named VERSION inside of the top level BookKeeping | ||
# module, which may be placed near the end of your file. | ||
# | ||
# In your file, it will look like this: | ||
# | ||
# module BookKeeping | ||
# VERSION = 1 # Where the version number matches the one in the test. | ||
# end | ||
# | ||
# If you are curious, read more about constants on RubyDoc: | ||
# http://ruby-doc.org/docs/ruby-doc-bundle/UsersGuide/rg/constants.html | ||
def test_bookkeeping | ||
skip | ||
assert_equal 1, BookKeeping::VERSION | ||
end | ||
end |
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module BookKeeping | ||
VERSION = 1 | ||
end | ||
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class ETL | ||
def self.transform(old) | ||
data = {} | ||
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require 'minitest/autorun' | ||
require_relative 'etl' | ||
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# Test data version: <%= abbreviated_commit_hash %> | ||
class EtlTest < Minitest::Test<% test_cases.each do |test_case| %> | ||
def <%= test_case.test_name %> | ||
<%= test_case.skipped %> | ||
<%= test_case.workload %> | ||
end | ||
<% end %> | ||
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<%= IO.read(XRUBY_LIB + '/bookkeeping.md') %> | ||
def test_bookkeeping | ||
skip | ||
assert_equal <%= version.next %>, BookKeeping::VERSION | ||
end | ||
end |
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require 'exercise_cases' | ||
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class EtlCase < OpenStruct | ||
def test_name | ||
'test_%s' % description.tr(' ,-', '_').downcase | ||
end | ||
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def workload | ||
[ | ||
"old = #{format_hash(integerize_keys(input))}", | ||
" expected = #{format_hash(expected)}\n", | ||
indent(4, assertion), | ||
].join("\n") | ||
end | ||
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def skipped | ||
index.zero? ? '# skip' : 'skip' | ||
end | ||
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private | ||
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def indent(size, text) | ||
text.lines.each_with_object('') { |line, obj| obj << ' ' * size + line } | ||
end | ||
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def assertion | ||
"assert_equal expected, ETL.transform(old)" | ||
end | ||
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def integerize_keys(input) | ||
input.reduce({}) { |hash, (k, v)| hash[k.to_i] = v; hash } | ||
end | ||
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def format_hash(hash) | ||
middle = hash.each_pair.with_object('') do |(k, v), obj| | ||
value = v.class == Array ? v : "'#{v}'" | ||
obj << " '#{k}' => #{value},\n " | ||
end | ||
"{\n #{middle} }" | ||
end | ||
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end | ||
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EtlCases = proc do |data| | ||
JSON.parse(data)['transform']['cases'].map.with_index do |row, i| | ||
EtlCase.new(row.merge(index: i)) | ||
end | ||
end |