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# frozen_string_literal: true
require 'rails_helper'
RSpec.describe Tag do
describe 'validations' do
it 'invalid with #' do
expect(described_class.new(name: '#hello_world')).to_not be_valid
end
it 'invalid with .' do
expect(described_class.new(name: '.abcdef123')).to_not be_valid
end
it 'invalid with spaces' do
expect(described_class.new(name: 'hello world')).to_not be_valid
end
it 'valid with ａｅｓｔｈｅｔｉｃ' do
expect(described_class.new(name: 'ａｅｓｔｈｅｔｉｃ')).to be_valid
end
end
describe 'HASHTAG_RE' do
subject { Tag::HASHTAG_RE }
it 'does not match URLs with anchors with non-hashtag characters' do
expect(subject.match('Check this out https://medium.com/@alice/some-article#.abcdef123')).to be_nil
end
it 'does not match URLs with hashtag-like anchors' do
expect(subject.match('https://en.wikipedia.org/wiki/Ghostbusters_(song)#Lawsuit')).to be_nil
end
it 'matches #ａｅｓｔｈｅｔｉｃ' do
expect(subject.match('this is #ａｅｓｔｈｅｔｉｃ').to_s).to eq ' #ａｅｓｔｈｅｔｉｃ'
end
it 'matches digits at the start' do
expect(subject.match('hello #3d').to_s).to eq ' #3d'
end
it 'matches digits in the middle' do
expect(subject.match('hello #l33ts35k').to_s).to eq ' #l33ts35k'
end
it 'matches digits at the end' do
expect(subject.match('hello #world2016').to_s).to eq ' #world2016'
end
it 'matches underscores at the beginning' do
expect(subject.match('hello #_test').to_s).to eq ' #_test'
end
it 'matches underscores at the end' do
expect(subject.match('hello #test_').to_s).to eq ' #test_'
end
it 'matches underscores in the middle' do
expect(subject.match('hello #one_two_three').to_s).to eq ' #one_two_three'
end
it 'matches middle dots' do
expect(subject.match('hello #one·two·three').to_s).to eq ' #one·two·three'
end
it 'matches ・unicode in ぼっち・ざ・ろっく correctly' do
expect(subject.match('testing #ぼっち・ざ・ろっく').to_s).to eq ' #ぼっち・ざ・ろっく'
end
it 'matches ZWNJ' do
expect(subject.match('just add #نرمافزار and').to_s).to eq ' #نرمافزار'
end
it 'does not match middle dots at the start' do
expect(subject.match('hello #·one·two·three')).to be_nil
end
it 'does not match middle dots at the end' do
expect(subject.match('hello #one·two·three·').to_s).to eq ' #one·two·three'
end
it 'does not match purely-numeric hashtags' do
expect(subject.match('hello #0123456')).to be_nil
end
end
describe '#to_param' do
it 'returns name' do
tag = Fabricate(:tag, name: 'foo')
expect(tag.to_param).to eq 'foo'
end
end
describe '.find_normalized' do
it 'returns tag for a multibyte case-insensitive name' do
upcase_string = 'abcABCａｂｃＡＢＣやゆよ'
downcase_string = 'abcabcａｂｃａｂｃやゆよ'
tag = Fabricate(:tag, name: HashtagNormalizer.new.normalize(downcase_string))
expect(described_class.find_normalized(upcase_string)).to eq tag
end
end
describe '.matches_name' do
it 'returns tags for multibyte case-insensitive names' do
upcase_string = 'abcABCａｂｃＡＢＣやゆよ'
downcase_string = 'abcabcａｂｃａｂｃやゆよ'
tag = Fabricate(:tag, name: HashtagNormalizer.new.normalize(downcase_string))
expect(described_class.matches_name(upcase_string)).to eq [tag]
end
it 'uses the LIKE operator' do
result = %q[SELECT "tags".* FROM "tags" WHERE LOWER("tags"."name") LIKE LOWER('100abc%')]
expect(described_class.matches_name('100%abc').to_sql).to eq result
end
end
describe '.matching_name' do
it 'returns tags for multibyte case-insensitive names' do
upcase_string = 'abcABCａｂｃＡＢＣやゆよ'
downcase_string = 'abcabcａｂｃａｂｃやゆよ'
tag = Fabricate(:tag, name: HashtagNormalizer.new.normalize(downcase_string))
expect(described_class.matching_name(upcase_string)).to eq [tag]
end
end
describe '.find_or_create_by_names' do
let(:upcase_string) { 'abcABCａｂｃＡＢＣやゆよ' }
let(:downcase_string) { 'abcabcａｂｃａｂｃやゆよ' }
it 'runs a passed block once per tag regardless of duplicates' do
count = 0
described_class.find_or_create_by_names([upcase_string, downcase_string]) do |_tag|
count += 1
end
expect(count).to eq 1
end
end
describe '.search_for' do
it 'finds tag records with matching names' do
tag = Fabricate(:tag, name: 'match')
_miss_tag = Fabricate(:tag, name: 'miss')
results = described_class.search_for('match')
expect(results).to eq [tag]
end
it 'finds tag records in case insensitive' do
tag = Fabricate(:tag, name: 'MATCH')
_miss_tag = Fabricate(:tag, name: 'miss')
results = described_class.search_for('match')
expect(results).to eq [tag]
end
it 'finds the exact matching tag as the first item' do
similar_tag = Fabricate(:tag, name: 'matchlater', reviewed_at: Time.now.utc)
tag = Fabricate(:tag, name: 'match', reviewed_at: Time.now.utc)
results = described_class.search_for('match')
expect(results).to eq [tag, similar_tag]
end
end
end
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