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# frozen_string_literal: true
require "cases/helper"
require "models/post"
require "models/comment"
class UnsafeRawSqlTest < ActiveRecord::TestCase
fixtures :posts, :comments
test "order: allows string column name" do
ids_expected = Post.order(Arel.sql("title")).pluck(:id)
ids_enabled = with_unsafe_raw_sql_enabled { Post.order("title").pluck(:id) }
ids_disabled = with_unsafe_raw_sql_disabled { Post.order("title").pluck(:id) }
assert_equal ids_expected, ids_enabled
assert_equal ids_expected, ids_disabled
end
test "order: allows symbol column name" do
ids_expected = Post.order(Arel.sql("title")).pluck(:id)
ids_enabled = with_unsafe_raw_sql_enabled { Post.order(:title).pluck(:id) }
ids_disabled = with_unsafe_raw_sql_disabled { Post.order(:title).pluck(:id) }
assert_equal ids_expected, ids_enabled
assert_equal ids_expected, ids_disabled
end
test "order: allows downcase symbol direction" do
ids_expected = Post.order(Arel.sql("title") => Arel.sql("asc")).pluck(:id)
ids_enabled = with_unsafe_raw_sql_enabled { Post.order(title: :asc).pluck(:id) }
ids_disabled = with_unsafe_raw_sql_disabled { Post.order(title: :asc).pluck(:id) }
assert_equal ids_expected, ids_enabled
assert_equal ids_expected, ids_disabled
end
test "order: allows upcase symbol direction" do
ids_expected = Post.order(Arel.sql("title") => Arel.sql("ASC")).pluck(:id)
ids_enabled = with_unsafe_raw_sql_enabled { Post.order(title: :ASC).pluck(:id) }
ids_disabled = with_unsafe_raw_sql_disabled { Post.order(title: :ASC).pluck(:id) }
assert_equal ids_expected, ids_enabled
assert_equal ids_expected, ids_disabled
end
test "order: allows string direction" do
ids_expected = Post.order(Arel.sql("title") => Arel.sql("asc")).pluck(:id)
ids_enabled = with_unsafe_raw_sql_enabled { Post.order(title: "asc").pluck(:id) }
ids_disabled = with_unsafe_raw_sql_disabled { Post.order(title: "asc").pluck(:id) }
assert_equal ids_expected, ids_enabled
assert_equal ids_expected, ids_disabled
end
test "order: allows multiple columns" do
ids_expected = Post.order(Arel.sql("author_id"), Arel.sql("title")).pluck(:id)
ids_enabled = with_unsafe_raw_sql_enabled { Post.order(:author_id, :title).pluck(:id) }
ids_disabled = with_unsafe_raw_sql_disabled { Post.order(:author_id, :title).pluck(:id) }
assert_equal ids_expected, ids_enabled
assert_equal ids_expected, ids_disabled
end
test "order: allows mixed" do
ids_expected = Post.order(Arel.sql("author_id"), Arel.sql("title") => Arel.sql("asc")).pluck(:id)
ids_enabled = with_unsafe_raw_sql_enabled { Post.order(:author_id, title: :asc).pluck(:id) }
ids_disabled = with_unsafe_raw_sql_disabled { Post.order(:author_id, title: :asc).pluck(:id) }
assert_equal ids_expected, ids_enabled
assert_equal ids_expected, ids_disabled
end
test "order: disallows invalid column name" do
with_unsafe_raw_sql_disabled do
assert_raises(ActiveRecord::UnknownAttributeReference) do
Post.order("title asc").pluck(:id)
end
end
end
test "order: disallows invalid direction" do
with_unsafe_raw_sql_disabled do
assert_raises(ArgumentError) do
Post.order(title: :foo).pluck(:id)
end
end
end
test "order: disallows invalid column with direction" do
with_unsafe_raw_sql_disabled do
assert_raises(ActiveRecord::UnknownAttributeReference) do
Post.order(foo: :asc).pluck(:id)
end
end
end
test "order: always allows Arel" do
ids_enabled = with_unsafe_raw_sql_enabled { Post.order(Arel.sql("length(title)")).pluck(:title) }
ids_disabled = with_unsafe_raw_sql_disabled { Post.order(Arel.sql("length(title)")).pluck(:title) }
assert_equal ids_enabled, ids_disabled
end
test "order: logs deprecation warning for unrecognized column" do
with_unsafe_raw_sql_deprecated do
ActiveSupport::Deprecation.expects(:warn).with do |msg|
msg =~ /\ADangerous query method used with .*length\(title\)/
end
Post.order("length(title)")
end
end
test "pluck: allows string column name" do
titles_expected = Post.pluck(Arel.sql("title"))
titles_enabled = with_unsafe_raw_sql_enabled { Post.pluck("title") }
titles_disabled = with_unsafe_raw_sql_disabled { Post.pluck("title") }
assert_equal titles_expected, titles_enabled
assert_equal titles_expected, titles_disabled
end
test "pluck: allows symbol column name" do
titles_expected = Post.pluck(Arel.sql("title"))
titles_enabled = with_unsafe_raw_sql_enabled { Post.pluck(:title) }
titles_disabled = with_unsafe_raw_sql_disabled { Post.pluck(:title) }
assert_equal titles_expected, titles_enabled
assert_equal titles_expected, titles_disabled
end
test "pluck: allows multiple column names" do
values_expected = Post.pluck(Arel.sql("title"), Arel.sql("id"))
values_enabled = with_unsafe_raw_sql_enabled { Post.pluck(:title, :id) }
values_disabled = with_unsafe_raw_sql_disabled { Post.pluck(:title, :id) }
assert_equal values_expected, values_enabled
assert_equal values_expected, values_disabled
end
test "pluck: allows column names with includes" do
values_expected = Post.includes(:comments).pluck(Arel.sql("title"), Arel.sql("id"))
values_enabled = with_unsafe_raw_sql_enabled { Post.includes(:comments).pluck(:title, :id) }
values_disabled = with_unsafe_raw_sql_disabled { Post.includes(:comments).pluck(:title, :id) }
assert_equal values_expected, values_enabled
assert_equal values_expected, values_disabled
end
test "pluck: allows auto-generated attributes" do
values_expected = Post.pluck(Arel.sql("tags_count"))
values_enabled = with_unsafe_raw_sql_enabled { Post.pluck(:tags_count) }
values_disabled = with_unsafe_raw_sql_disabled { Post.pluck(:tags_count) }
assert_equal values_expected, values_enabled
assert_equal values_expected, values_disabled
end
test "pluck: disallows invalid column name" do
with_unsafe_raw_sql_disabled do
assert_raises(ActiveRecord::UnknownAttributeReference) do
Post.pluck("length(title)")
end
end
end
test "pluck: disallows invalid column name amongst valid names" do
with_unsafe_raw_sql_disabled do
assert_raises(ActiveRecord::UnknownAttributeReference) do
Post.pluck(:title, "length(title)")
end
end
end
test "pluck: disallows invalid column names with includes" do
with_unsafe_raw_sql_disabled do
assert_raises(ActiveRecord::UnknownAttributeReference) do
Post.includes(:comments).pluck(:title, "length(title)")
end
end
end
test "pluck: always allows Arel" do
values_enabled = with_unsafe_raw_sql_enabled { Post.includes(:comments).pluck(:title, Arel.sql("length(title)")) }
values_disabled = with_unsafe_raw_sql_disabled { Post.includes(:comments).pluck(:title, Arel.sql("length(title)")) }
assert_equal values_enabled, values_disabled
end
test "pluck: logs deprecation warning" do
with_unsafe_raw_sql_deprecated do
ActiveSupport::Deprecation.expects(:warn).with do |msg|
msg =~ /\ADangerous query method used with .*length\(title\)/
end
Post.includes(:comments).pluck(:title, "length(title)")
end
end
def with_unsafe_raw_sql_enabled(&blk)
with_config(:enabled, &blk)
end
def with_unsafe_raw_sql_disabled(&blk)
with_config(:disabled, &blk)
end
def with_unsafe_raw_sql_deprecated(&blk)
with_config(:deprecated, &blk)
end
def with_config(new_value, &blk)
old_value = ActiveRecord::Base.allow_unsafe_raw_sql
ActiveRecord::Base.allow_unsafe_raw_sql = new_value
blk.call
ensure
ActiveRecord::Base.allow_unsafe_raw_sql = old_value
end
end
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