debian-mirror-gitlab/spec/lib/gitlab/sql/pattern_spec.rb

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# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::SQL::Pattern do
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describe '.to_pattern' do
subject(:to_pattern) { User.to_pattern(query) }
context 'when a query is shorter than 3 chars' do
let(:query) { '12' }
it 'returns exact matching pattern' do
expect(to_pattern).to eq('12')
end
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context 'and ignore_minimum_char_limit is true' do
it 'returns partial matching pattern' do
expect(User.to_pattern(query, use_minimum_char_limit: false)).to eq('%12%')
end
end
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end
context 'when a query with a escape character is shorter than 3 chars' do
let(:query) { '_2' }
it 'returns sanitized exact matching pattern' do
expect(to_pattern).to eq('\_2')
end
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context 'and ignore_minimum_char_limit is true' do
it 'returns sanitized partial matching pattern' do
expect(User.to_pattern(query, use_minimum_char_limit: false)).to eq('%\_2%')
end
end
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end
context 'when a query is equal to 3 chars' do
let(:query) { '123' }
it 'returns partial matching pattern' do
expect(to_pattern).to eq('%123%')
end
end
context 'when a query with a escape character is equal to 3 chars' do
let(:query) { '_23' }
it 'returns partial matching pattern' do
expect(to_pattern).to eq('%\_23%')
end
end
context 'when a query is longer than 3 chars' do
let(:query) { '1234' }
it 'returns partial matching pattern' do
expect(to_pattern).to eq('%1234%')
end
end
context 'when a query with a escape character is longer than 3 chars' do
let(:query) { '_234' }
it 'returns sanitized partial matching pattern' do
expect(to_pattern).to eq('%\_234%')
end
end
end
describe '.select_fuzzy_words' do
subject(:select_fuzzy_words) { Issue.select_fuzzy_words(query) }
context 'with a word equal to 3 chars' do
let(:query) { 'foo' }
it 'returns array cotaining a word' do
expect(select_fuzzy_words).to match_array(['foo'])
end
end
context 'with a word shorter than 3 chars' do
let(:query) { 'fo' }
it 'returns empty array' do
expect(select_fuzzy_words).to match_array([])
end
end
context 'with two words both equal to 3 chars' do
let(:query) { 'foo baz' }
it 'returns array containing two words' do
expect(select_fuzzy_words).to match_array(%w[foo baz])
end
end
context 'with two words divided by two spaces both equal to 3 chars' do
let(:query) { 'foo baz' }
it 'returns array containing two words' do
expect(select_fuzzy_words).to match_array(%w[foo baz])
end
end
context 'with two words equal to 3 chars and shorter than 3 chars' do
let(:query) { 'foo ba' }
it 'returns array containing a word' do
expect(select_fuzzy_words).to match_array(['foo'])
end
end
context 'with a multi-word surrounded by double quote' do
let(:query) { '"really bar"' }
it 'returns array containing a multi-word' do
expect(select_fuzzy_words).to match_array(['really bar'])
end
end
context 'with a multi-word surrounded by double quote and two words' do
let(:query) { 'foo "really bar" baz' }
it 'returns array containing a multi-word and tow words' do
expect(select_fuzzy_words).to match_array(['foo', 'really bar', 'baz'])
end
end
context 'with a multi-word surrounded by double quote missing a spece before the first double quote' do
let(:query) { 'foo"really bar"' }
it 'returns array containing two words with double quote' do
expect(select_fuzzy_words).to match_array(['foo"really', 'bar"'])
end
end
context 'with a multi-word surrounded by double quote missing a spece after the second double quote' do
let(:query) { '"really bar"baz' }
it 'returns array containing two words with double quote' do
expect(select_fuzzy_words).to match_array(['"really', 'bar"baz'])
end
end
context 'with two multi-word surrounded by double quote and two words' do
let(:query) { 'foo "really bar" baz "awesome feature"' }
it 'returns array containing two multi-words and tow words' do
expect(select_fuzzy_words).to match_array(['foo', 'really bar', 'baz', 'awesome feature'])
end
end
end
describe '.fuzzy_arel_match' do
subject(:fuzzy_arel_match) { Issue.fuzzy_arel_match(:title, query) }
context 'with a word equal to 3 chars' do
let(:query) { 'foo' }
it 'returns a single ILIKE condition' do
expect(fuzzy_arel_match.to_sql).to match(/title.*I?LIKE '\%foo\%'/)
end
end
context 'with a word shorter than 3 chars' do
let(:query) { 'fo' }
it 'returns a single equality condition' do
expect(fuzzy_arel_match.to_sql).to match(/title.*I?LIKE 'fo'/)
end
it 'uses LOWER instead of ILIKE when LOWER is enabled' do
rel = Issue.fuzzy_arel_match(:title, query, lower_exact_match: true)
expect(rel.to_sql).to match(/LOWER\(.*title.*\).*=.*'fo'/)
end
end
context 'with two words both equal to 3 chars' do
let(:query) { 'foo baz' }
it 'returns a joining LIKE condition using a AND' do
expect(fuzzy_arel_match.to_sql).to match(/title.+I?LIKE '\%foo\%' AND .*title.*I?LIKE '\%baz\%'/)
end
end
context 'with two words both shorter than 3 chars' do
let(:query) { 'fo ba' }
it 'returns a single ILIKE condition' do
expect(fuzzy_arel_match.to_sql).to match(/title.*I?LIKE 'fo ba'/)
end
end
context 'with two words, one shorter 3 chars' do
let(:query) { 'foo ba' }
it 'returns a single ILIKE condition using the longer word' do
expect(fuzzy_arel_match.to_sql).to match(/title.+I?LIKE '\%foo\%'/)
end
end
context 'with a multi-word surrounded by double quote and two words' do
let(:query) { 'foo "really bar" baz' }
it 'returns a joining LIKE condition using a AND' do
expect(fuzzy_arel_match.to_sql).to match(/title.+I?LIKE '\%foo\%' AND .*title.*I?LIKE '\%baz\%' AND .*title.*I?LIKE '\%really bar\%'/)
end
end
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context 'when passing an Arel column' do
let(:query) { 'foo' }
subject(:fuzzy_arel_match) { Project.fuzzy_arel_match(Route.arel_table[:path], query) }
it 'returns a condition with the table and column name' do
expect(fuzzy_arel_match.to_sql).to match(/"routes"."path".*ILIKE '\%foo\%'/)
end
end
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end
end