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require "cases/helper"
require 'models/binary'
require 'models/author'
require 'models/post'
class SanitizeTest < ActiveRecord::TestCase
def setup
end
def test_sanitize_sql_array_handles_string_interpolation
quoted_bambi = ActiveRecord::Base.connection.quote_string("Bambi")
assert_equal "name='#{quoted_bambi}'", Binary.send(:sanitize_sql_array, ["name='%s'", "Bambi"])
assert_equal "name='#{quoted_bambi}'", Binary.send(:sanitize_sql_array, ["name='%s'", "Bambi".mb_chars])
quoted_bambi_and_thumper = ActiveRecord::Base.connection.quote_string("Bambi\nand\nThumper")
assert_equal "name='#{quoted_bambi_and_thumper}'",Binary.send(:sanitize_sql_array, ["name='%s'", "Bambi\nand\nThumper"])
assert_equal "name='#{quoted_bambi_and_thumper}'",Binary.send(:sanitize_sql_array, ["name='%s'", "Bambi\nand\nThumper".mb_chars])
end
def test_sanitize_sql_array_handles_bind_variables
quoted_bambi = ActiveRecord::Base.connection.quote("Bambi")
assert_equal "name=#{quoted_bambi}", Binary.send(:sanitize_sql_array, ["name=?", "Bambi"])
assert_equal "name=#{quoted_bambi}", Binary.send(:sanitize_sql_array, ["name=?", "Bambi".mb_chars])
quoted_bambi_and_thumper = ActiveRecord::Base.connection.quote("Bambi\nand\nThumper")
assert_equal "name=#{quoted_bambi_and_thumper}", Binary.send(:sanitize_sql_array, ["name=?", "Bambi\nand\nThumper"])
assert_equal "name=#{quoted_bambi_and_thumper}", Binary.send(:sanitize_sql_array, ["name=?", "Bambi\nand\nThumper".mb_chars])
end
def test_sanitize_sql_array_handles_relations
david = Author.create!(name: 'David')
david_posts = david.posts.select(:id)
sub_query_pattern = /\(\bselect\b.*?\bwhere\b.*?\)/i
select_author_sql = Post.send(:sanitize_sql_array, ['id in (?)', david_posts])
assert_match(sub_query_pattern, select_author_sql, 'should sanitize `Relation` as subquery for bind variables')
select_author_sql = Post.send(:sanitize_sql_array, ['id in (:post_ids)', post_ids: david_posts])
assert_match(sub_query_pattern, select_author_sql, 'should sanitize `Relation` as subquery for named bind variables')
end
def test_sanitize_sql_array_handles_empty_statement
select_author_sql = Post.send(:sanitize_sql_array, [''])
assert_equal('', select_author_sql)
end
def test_sanitize_sql_like
assert_equal '100\%', Binary.send(:sanitize_sql_like, '100%')
assert_equal 'snake\_cased\_string', Binary.send(:sanitize_sql_like, 'snake_cased_string')
assert_equal 'C:\\\\Programs\\\\MsPaint', Binary.send(:sanitize_sql_like, 'C:\\Programs\\MsPaint')
assert_equal 'normal string 42', Binary.send(:sanitize_sql_like, 'normal string 42')
end
def test_sanitize_sql_like_with_custom_escape_character
assert_equal '100!%', Binary.send(:sanitize_sql_like, '100%', '!')
assert_equal 'snake!_cased!_string', Binary.send(:sanitize_sql_like, 'snake_cased_string', '!')
assert_equal 'great!!', Binary.send(:sanitize_sql_like, 'great!', '!')
assert_equal 'C:\\Programs\\MsPaint', Binary.send(:sanitize_sql_like, 'C:\\Programs\\MsPaint', '!')
assert_equal 'normal string 42', Binary.send(:sanitize_sql_like, 'normal string 42', '!')
end
def test_sanitize_sql_like_example_use_case
searchable_post = Class.new(Post) do
def self.search(term)
where("title LIKE ?", sanitize_sql_like(term, '!'))
end
end
assert_sql(/LIKE '20!% !_reduction!_!!'/) do
searchable_post.search("20% _reduction_!").to_a
end
end
end
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