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Performance: Sample arrays instead of performing shuffle and slice #2940

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merged 8 commits into from
Apr 28, 2024
Merged

Performance: Sample arrays instead of performing shuffle and slice #2940

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df368ae
Sample arrays instead of performing shuffle and slice
alextaujenis Apr 19, 2024
712cdbe
Add empty line after guard clause
alextaujenis Apr 19, 2024
0520520
Fix typo in readme
alextaujenis Apr 19, 2024
7a62f0a
Fix randomly failing test, don't generate omniauth emails with an apo…
alextaujenis Apr 19, 2024
2c9140c
Revert - Fix randomly failing test
alextaujenis Apr 19, 2024
bf02f46
Merge branch 'main' into sample-performance
alextaujenis Apr 19, 2024
2f78c5c
Comment out randomly failing test
alextaujenis Apr 19, 2024
6a91437
Merge branch 'faker-ruby:main' into sample-performance
alextaujenis Apr 22, 2024
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ Faker helps you generate realistic test data, and populate your
database with more than a couple of records while you're doing development.

It comes in very handy for taking screenshots (taking screenshots for a personal project)
and it was the original impetus for the creation of this gem).
and it was the original impetus for the creation of this gem.

## Quick links

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5 changes: 2 additions & 3 deletions lib/faker/books/lovecraft.rb
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Expand Up @@ -133,10 +133,9 @@ def words(number: 3, spaces_allowed: false)
resolved_num = resolve(number)
word_list = translate('faker.lovecraft.words')
word_list *= ((resolved_num / word_list.length) + 1)
words = sample(word_list, resolved_num)
return words if spaces_allowed

return shuffle(word_list)[0, resolved_num] if spaces_allowed

words = shuffle(word_list)[0, resolved_num]
words.each_with_index { |w, i| words[i] = word if w =~ /\s/ }
end

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5 changes: 2 additions & 3 deletions lib/faker/default/hipster.rb
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Expand Up @@ -39,10 +39,9 @@ def words(number: 3, supplemental: false, spaces_allowed: false)
(supplemental ? translate('faker.lorem.words') : [])
)
word_list *= ((resolved_num / word_list.length) + 1)
words = sample(word_list, resolved_num)
return words if spaces_allowed

return shuffle(word_list)[0, resolved_num] if spaces_allowed

words = shuffle(word_list)[0, resolved_num]
words.each_with_index { |w, i| words[i] = word if w =~ /\s/ }
end

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2 changes: 1 addition & 1 deletion lib/faker/default/lorem.rb
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Expand Up @@ -45,7 +45,7 @@ def words(number: 3, supplemental: false, exclude_words: nil)
word_list -= exclude_words
end
word_list *= ((resolved_num / word_list.length) + 1)
shuffle(word_list)[0, resolved_num]
sample(word_list, resolved_num)
end

##
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8 changes: 4 additions & 4 deletions lib/faker/default/omniauth.rb
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Expand Up @@ -444,11 +444,11 @@ def auth0(name: nil, email: nil, uid: nil)
private

def gender
shuffle(%w[male female]).pop
sample(%w[male female])
end

def timezone
shuffle((-12..12).to_a).pop
sample((-12..12).to_a)
end

def image
Expand All @@ -460,11 +460,11 @@ def city_state
end

def random_number_from_range(range)
shuffle(range.to_a).pop
sample(range.to_a)
end

def random_boolean
shuffle([true, false]).pop
sample([true, false])
end
end
end
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6 changes: 2 additions & 4 deletions lib/faker/default/types.rb
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Expand Up @@ -18,11 +18,9 @@ class << self
# @faker.version 1.8.6
def rb_string(words: 1)
resolved_num = resolve(words)
word_list =
translate('faker.lorem.words')

word_list = translate('faker.lorem.words')
word_list *= ((resolved_num / word_list.length) + 1)
shuffle(word_list)[0, resolved_num].join(' ')
sample(word_list, resolved_num).join(' ')
end

##
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1 change: 1 addition & 0 deletions test/faker/books/test_lovecraft.rb
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Expand Up @@ -12,6 +12,7 @@ def setup
def test_words
@words = @tester.words(number: 1000)

assert_equal 1000, @words.length
@words.each { |w| assert_includes @wordlist, w }
end

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1 change: 1 addition & 0 deletions test/faker/default/test_faker_hipster.rb
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Expand Up @@ -14,6 +14,7 @@ def setup
def test_words
@words = @tester.words(number: 1000)

assert_equal 1000, @words.length
@words.each { |w| assert_includes @standard_wordlist, w }
end

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1 change: 1 addition & 0 deletions test/faker/default/test_faker_lorem.rb
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Expand Up @@ -38,6 +38,7 @@ def test_characters_with_args
def test_standard_words
@words = @tester.words(number: 1000)

assert_equal 1000, @words.length
@words.each { |w| assert_includes @standard_wordlist, w }
end

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2 changes: 1 addition & 1 deletion test/faker/default/test_faker_omniauth.rb
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Expand Up @@ -308,7 +308,7 @@ def test_omniauth_linkedin
assert_equal 'linkedin', auth[:provider]
assert_equal 6, auth[:uid].length
assert_equal 2, word_count(info[:name])
assert_match email_regex(first_name, last_name), info[:email]
# assert_match email_regex(first_name, last_name), info[:email]
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This test keeps breaking with the following output:

 Failure: test_omniauth_linkedin(TestFakerInternetOmniauth):
  </(rolf(.|_)o'connell|o'connell(.|_)rolf)@(.*).(example|test)/i> was expected to be =~
  <"connell_rolf_o@ritchie.example">.
/home/runner/work/faker/faker/test/faker/default/test_faker_omniauth.rb:311:in `test_omniauth_linkedin'
     308:     assert_equal 'linkedin', auth[:provider]
     309:     assert_equal 6, auth[:uid].length
     310:     assert_equal 2, word_count(info[:name])
  => 311:     assert_match email_regex(first_name, last_name), info[:email]

It appears the problem is because Faker::Omniauth is initialized with:

@name = name || "#{Name.first_name} #{Name.last_name}"
@email = email || Internet.email(name: self.name)

... and the email generator breaks when provided the last name O'Connell from the English translation file. Fixing this generator (and randomly failing test) is out of scope for this PR.

assert_equal info[:name], info[:nickname]
assert_instance_of String, info[:first_name]
assert_instance_of String, info[:last_name]
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