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require File.join(File.dirname(File.expand_path(__FILE__)), "spec_helper")
describe "pg_auto_parameterize_in_array extension" do
before do
@db = Sequel.connect('mock://postgres')
@db.extension :pg_auto_parameterize_duplicate_query_detection
end
it "should still work when queries are not recorded" do
3.times do
@db["SELECT 1"].all
end
@db.sqls.must_equal(["SELECT 1"] * 3)
end
it "should raise for multiple identical queries at same location" do
e = proc do
@db.detect_duplicate_queries do
3.times do
@db["SELECT 1"].all
end
end
end.must_raise Sequel::Postgres::AutoParameterizeDuplicateQueryDetection::DuplicateQueries
e.queries.keys.map(&:first).must_equal ["SELECT 1"]
e.queries.values.must_equal [3]
end
it "should work when executing prepared statements" do
e = proc do
@db.detect_duplicate_queries do
3.times do
@db.execute(:sym)
end
end
end.must_raise Sequel::Postgres::AutoParameterizeDuplicateQueryDetection::DuplicateQueries
e.queries.keys.map(&:first).must_equal [:sym]
e.queries.values.must_equal [3]
end
it "should call :handler option with duplicate queries if provided" do
queries = nil
@db.detect_duplicate_queries(:handler => proc{|qs| queries = qs}) do
3.times do
@db["SELECT 1"].all
end
end
queries.keys.map(&:first).must_equal ["SELECT 1"]
queries.values.must_equal [3]
end
it "should warn if detect_duplicate_queries given :warn and :backtrace_filter options" do
message = nil
@db.define_singleton_method(:warn) do |m|
message = m
end
l = nil
@db.detect_duplicate_queries(:warn => true, :backtrace_filter => /\A#{Regexp.escape(__FILE__)}/) do
3.times do
l = __LINE__ + 1
@db["SELECT 1"].all
end
end
message.must_include(<<MESSAGE.chomp)
duplicate queries detected:
times:3
sql:SELECT 1
backtrace (filtered):
#{__FILE__}:#{l}:in
MESSAGE
end
it "should warn if detect_duplicate_queries block raises" do
message = nil
@db.define_singleton_method(:warn) do |m|
message = m
end
l = nil
proc do
@db.detect_duplicate_queries do
3.times do
l = __LINE__ + 1
@db["SELECT 1"].all
end
raise RuntimeError
end
end.must_raise RuntimeError
message.must_include("#{__FILE__}:#{l}:")
message.must_include(<<MESSAGE.chomp)
duplicate queries detected:
times:3
sql:SELECT 1
backtrace:
MESSAGE
end
it "should raise for queries inside nested detect_duplicate_queries blocks" do
e = proc do
@db.detect_duplicate_queries do
@db.detect_duplicate_queries do
3.times do
@db["SELECT 1"].all
end
end
end
end.must_raise Sequel::Postgres::AutoParameterizeDuplicateQueryDetection::DuplicateQueries
e.queries.keys.map(&:first).must_equal ["SELECT 1"]
e.queries.values.must_equal [3]
e = proc do
@db.detect_duplicate_queries do
@db.ignore_duplicate_queries do
@db.detect_duplicate_queries do
3.times do
@db["SELECT 1"].all
end
end
end
end
end.must_raise Sequel::Postgres::AutoParameterizeDuplicateQueryDetection::DuplicateQueries
e.queries.keys.map(&:first).must_equal ["SELECT 1"]
e.queries.values.must_equal [3]
e = proc do
@db.detect_duplicate_queries do
@db.ignore_duplicate_queries{}
3.times do
@db["SELECT 1"].all
end
end
end.must_raise Sequel::Postgres::AutoParameterizeDuplicateQueryDetection::DuplicateQueries
e.queries.keys.map(&:first).must_equal ["SELECT 1"]
e.queries.values.must_equal [3]
end
it "should not raise for duplicate queries inside ignore_duplicate_queries" do
@db.detect_duplicate_queries do
@db.ignore_duplicate_queries do
3.times do
@db["SELECT 1"].all
end
end
end
@db.detect_duplicate_queries do
@db.ignore_duplicate_queries do
@db.ignore_duplicate_queries do
3.times do
@db["SELECT 1"].all
end
end
end
end
@db.detect_duplicate_queries do
@db.ignore_duplicate_queries do
@db.detect_duplicate_queries{}
3.times do
@db["SELECT 1"].all
end
end
end
@db.detect_duplicate_queries do
@db.ignore_duplicate_queries do
@db.ignore_duplicate_queries{}
3.times do
@db["SELECT 1"].all
end
end
end
end
it "should support ignore_duplicate_queries outside of a detect_duplicate_queries block" do
@db.ignore_duplicate_queries do
3.times do
@db["SELECT 1"].all
end
end
@db.sqls.must_equal(["SELECT 1"] * 3)
end
it "should not raise for multiple identical queries at different locations" do
@db.detect_duplicate_queries do
@db["SELECT 1"].all
@db["SELECT 1"].all
@db["SELECT 1"].all
end
end
it "should not raise for multiple different queries at same location" do
@db.detect_duplicate_queries do
3.times do |i|
@db["SELECT #{i}"].all
end
end
end
end
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