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dataset_test.rb
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dataset_test.rb
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require File.join(File.dirname(File.expand_path(__FILE__)), 'spec_helper.rb')
describe "Simple Dataset operations" do
before do
INTEGRATION_DB.create_table!(:items) do
primary_key :id
Integer :number
end
@ds = INTEGRATION_DB[:items]
@ds.insert(:number=>10)
clear_sqls
end
after do
INTEGRATION_DB.drop_table(:items)
end
specify "should support sequential primary keys" do
@ds << {:number=>20}
@ds << {:number=>30}
@ds.order(:number).all.should == [
{:id => 1, :number=>10},
{:id => 2, :number=>20},
{:id => 3, :number=>30} ]
end
cspecify "should insert with a primary key specified", :mssql do
@ds.insert(:id=>100, :number=>20)
@ds.count.should == 2
@ds.order(:id).all.should == [{:id=>1, :number=>10}, {:id=>100, :number=>20}]
end
specify "should have insert return primary key value" do
@ds.insert(:number=>20).should == 2
@ds.filter(:id=>2).first[:number].should == 20
end
specify "should delete correctly" do
@ds.filter(1=>1).delete.should == 1
@ds.count.should == 0
end
specify "should update correctly" do
@ds.update(:number=>:number+1).should == 1
@ds.all.should == [{:id=>1, :number=>11}]
end
cspecify "should have update return the number of matched rows", [:mysql, :mysql], [:do, :mysql], [:mysql2], [:ado] do
@ds.update(:number=>:number).should == 1
@ds.filter(:id=>1).update(:number=>:number).should == 1
@ds.filter(:id=>2).update(:number=>:number).should == 0
@ds.all.should == [{:id=>1, :number=>10}]
end
specify "should fetch all results correctly" do
@ds.all.should == [{:id=>1, :number=>10}]
end
specify "should fetch a single row correctly" do
@ds.first.should == {:id=>1, :number=>10}
end
specify "should have distinct work with limit" do
@ds.limit(1).distinct.all.should == [{:id=>1, :number=>10}]
end
specify "should fetch correctly with a limit" do
@ds.order(:id).limit(2).all.should == [{:id=>1, :number=>10}]
@ds.insert(:number=>20)
@ds.order(:id).limit(1).all.should == [{:id=>1, :number=>10}]
@ds.order(:id).limit(2).all.should == [{:id=>1, :number=>10}, {:id=>2, :number=>20}]
end
specify "should fetch correctly with a limit and offset" do
@ds.order(:id).limit(2, 0).all.should == [{:id=>1, :number=>10}]
@ds.order(:id).limit(2, 1).all.should == []
@ds.insert(:number=>20)
@ds.order(:id).limit(1, 1).all.should == [{:id=>2, :number=>20}]
@ds.order(:id).limit(2, 0).all.should == [{:id=>1, :number=>10}, {:id=>2, :number=>20}]
@ds.order(:id).limit(2, 1).all.should == [{:id=>2, :number=>20}]
end
cspecify "should fetch correctly with a limit and offset without an order", :mssql do
@ds.limit(2, 1).all.should == []
end
specify "should alias columns correctly" do
@ds.select(:id___x, :number___n).first.should == {:x=>1, :n=>10}
end
end
describe Sequel::Dataset do
before do
INTEGRATION_DB.create_table!(:test) do
String :name
Integer :value
end
@d = INTEGRATION_DB[:test]
clear_sqls
end
after do
INTEGRATION_DB.drop_table(:test)
end
specify "should return the correct record count" do
@d.count.should == 0
@d << {:name => 'abc', :value => 123}
@d << {:name => 'abc', :value => 456}
@d << {:name => 'def', :value => 789}
@d.count.should == 3
end
specify "should handle aggregate methods on limited datasets correctly" do
@d << {:name => 'abc', :value => 6}
@d << {:name => 'bcd', :value => 12}
@d << {:name => 'def', :value => 18}
@d = @d.order(:name).limit(2)
@d.count.should == 2
@d.avg(:value).to_i.should == 9
@d.min(:value).to_i.should == 6
@d.reverse.min(:value).to_i.should == 12
@d.max(:value).to_i.should == 12
@d.sum(:value).to_i.should == 18
@d.interval(:value).to_i.should == 6
end
specify "should return the correct records" do
@d.to_a.should == []
@d << {:name => 'abc', :value => 123}
@d << {:name => 'abc', :value => 456}
@d << {:name => 'def', :value => 789}
@d.order(:value).to_a.should == [
{:name => 'abc', :value => 123},
{:name => 'abc', :value => 456},
{:name => 'def', :value => 789}
]
end
specify "should update records correctly" do
@d << {:name => 'abc', :value => 123}
@d << {:name => 'abc', :value => 456}
@d << {:name => 'def', :value => 789}
@d.filter(:name => 'abc').update(:value => 530)
@d[:name => 'def'][:value].should == 789
@d.filter(:value => 530).count.should == 2
end
specify "should delete records correctly" do
@d << {:name => 'abc', :value => 123}
@d << {:name => 'abc', :value => 456}
@d << {:name => 'def', :value => 789}
@d.filter(:name => 'abc').delete
@d.count.should == 1
@d.first[:name].should == 'def'
end
specify "should be able to truncate the table" do
@d << {:name => 'abc', :value => 123}
@d << {:name => 'abc', :value => 456}
@d << {:name => 'def', :value => 789}
@d.count.should == 3
@d.truncate.should == nil
@d.count.should == 0
end
specify "should be able to literalize booleans" do
proc {@d.literal(true)}.should_not raise_error
proc {@d.literal(false)}.should_not raise_error
end
end
describe Sequel::Database do
specify "should correctly escape strings" do
INTEGRATION_DB.get("\\dingo".as(:a)) == "\\dingo"
end
specify "should correctly escape strings with quotes" do
INTEGRATION_DB.get("\\'dingo".as(:a)) == "\\'dingo"
end
specify "should properly escape binary data" do
INTEGRATION_DB.get("\1\2\3".to_sequel_blob.as(:a)) == "\1\2\3"
end
specify "should have a working table_exists?" do
t = :basdfdsafsaddsaf
INTEGRATION_DB.drop_table(t) rescue nil
INTEGRATION_DB.table_exists?(t).should == false
INTEGRATION_DB.create_table(t){Integer :a}
INTEGRATION_DB.table_exists?(t).should == true
end
end
describe Sequel::Dataset do
before do
INTEGRATION_DB.create_table! :items do
primary_key :id
Integer :value
end
@d = INTEGRATION_DB[:items]
@d << {:value => 123}
@d << {:value => 456}
@d << {:value => 789}
end
after do
INTEGRATION_DB.drop_table(:items)
end
specify "should correctly return avg" do
@d.avg(:value).to_i.should == 456
end
specify "should correctly return sum" do
@d.sum(:value).to_i.should == 1368
end
specify "should correctly return max" do
@d.max(:value).to_i.should == 789
end
specify "should correctly return min" do
@d.min(:value).to_i.should == 123
end
end
describe "Simple Dataset operations" do
before do
INTEGRATION_DB.create_table!(:items) do
Integer :number
TrueClass :flag
end
@ds = INTEGRATION_DB[:items]
end
after do
INTEGRATION_DB.drop_table(:items)
end
specify "should deal with boolean conditions correctly" do
@ds.insert(:number=>1, :flag=>true)
@ds.insert(:number=>2, :flag=>false)
@ds.insert(:number=>3, :flag=>nil)
@ds.order!(:number)
@ds.filter(:flag=>true).map(:number).should == [1]
@ds.filter(:flag=>false).map(:number).should == [2]
@ds.filter(:flag=>nil).map(:number).should == [3]
@ds.exclude(:flag=>true).map(:number).should == [2, 3]
@ds.exclude(:flag=>false).map(:number).should == [1, 3]
@ds.exclude(:flag=>nil).map(:number).should == [1, 2]
end
end
describe "Simple Dataset operations in transactions" do
before do
INTEGRATION_DB.create_table!(:items_insert_in_transaction) do
primary_key :id
integer :number
end
@ds = INTEGRATION_DB[:items_insert_in_transaction]
clear_sqls
end
after do
INTEGRATION_DB.drop_table(:items_insert_in_transaction)
end
cspecify "should insert correctly with a primary key specified inside a transaction", :mssql do
INTEGRATION_DB.transaction do
@ds.insert(:id=>100, :number=>20)
@ds.count.should == 1
@ds.order(:id).all.should == [{:id=>100, :number=>20}]
end
end
specify "should have insert return primary key value inside a transaction" do
INTEGRATION_DB.transaction do
@ds.insert(:number=>20).should == 1
@ds.count.should == 1
@ds.order(:id).all.should == [{:id=>1, :number=>20}]
end
end
specify "should support for_update" do
INTEGRATION_DB.transaction{@ds.for_update.all.should == []}
end
end
describe "Dataset UNION, EXCEPT, and INTERSECT" do
before do
INTEGRATION_DB.create_table!(:i1){integer :number}
INTEGRATION_DB.create_table!(:i2){integer :number}
@ds1 = INTEGRATION_DB[:i1]
@ds1.insert(:number=>10)
@ds1.insert(:number=>20)
@ds2 = INTEGRATION_DB[:i2]
@ds2.insert(:number=>10)
@ds2.insert(:number=>30)
clear_sqls
end
specify "should give the correct results for simple UNION, EXCEPT, and INTERSECT" do
@ds1.union(@ds2).order(:number).map{|x| x[:number].to_s}.should == %w'10 20 30'
if @ds1.supports_intersect_except?
@ds1.except(@ds2).order(:number).map{|x| x[:number].to_s}.should == %w'20'
@ds1.intersect(@ds2).order(:number).map{|x| x[:number].to_s}.should == %w'10'
end
end
cspecify "should give the correct results for UNION, EXCEPT, and INTERSECT when used with ordering and limits", :mssql do
@ds1.insert(:number=>8)
@ds2.insert(:number=>9)
@ds1.insert(:number=>38)
@ds2.insert(:number=>39)
@ds1.order(:number.desc).union(@ds2).order(:number).map{|x| x[:number].to_s}.should == %w'8 9 10 20 30 38 39'
@ds1.union(@ds2.order(:number.desc)).order(:number).map{|x| x[:number].to_s}.should == %w'8 9 10 20 30 38 39'
@ds1.order(:number.desc).limit(1).union(@ds2).order(:number).map{|x| x[:number].to_s}.should == %w'9 10 30 38 39'
@ds2.order(:number.desc).limit(1).union(@ds1).order(:number).map{|x| x[:number].to_s}.should == %w'8 10 20 38 39'
@ds1.union(@ds2.order(:number).limit(1)).order(:number).map{|x| x[:number].to_s}.should == %w'8 9 10 20 38'
@ds2.union(@ds1.order(:number).limit(1)).order(:number).map{|x| x[:number].to_s}.should == %w'8 9 10 30 39'
@ds1.union(@ds2).limit(2).order(:number).map{|x| x[:number].to_s}.should == %w'8 9'
@ds2.union(@ds1).order(:number.desc).limit(2).map{|x| x[:number].to_s}.should == %w'39 38'
@ds1.order(:number.desc).limit(2).union(@ds2.order(:number.desc).limit(2)).order(:number).limit(3).map{|x| x[:number].to_s}.should == %w'20 30 38'
@ds2.order(:number).limit(2).union(@ds1.order(:number).limit(2)).order(:number.desc).limit(3).map{|x| x[:number].to_s}.should == %w'10 9 8'
end
specify "should give the correct results for compound UNION, EXCEPT, and INTERSECT" do
INTEGRATION_DB.create_table!(:i3){integer :number}
@ds3 = INTEGRATION_DB[:i3]
@ds3.insert(:number=>10)
@ds3.insert(:number=>40)
@ds1.union(@ds2).union(@ds3).order(:number).map{|x| x[:number].to_s}.should == %w'10 20 30 40'
@ds1.union(@ds2.union(@ds3)).order(:number).map{|x| x[:number].to_s}.should == %w'10 20 30 40'
if @ds1.supports_intersect_except?
@ds1.union(@ds2).except(@ds3).order(:number).map{|x| x[:number].to_s}.should == %w'20 30'
@ds1.union(@ds2.except(@ds3)).order(:number).map{|x| x[:number].to_s}.should == %w'10 20 30'
@ds1.union(@ds2).intersect(@ds3).order(:number).map{|x| x[:number].to_s}.should == %w'10 '
@ds1.union(@ds2.intersect(@ds3)).order(:number).map{|x| x[:number].to_s}.should == %w'10 20'
@ds1.except(@ds2).union(@ds3).order(:number).map{|x| x[:number].to_s}.should == %w'10 20 40'
@ds1.except(@ds2.union(@ds3)).order(:number).map{|x| x[:number].to_s}.should == %w'20'
@ds1.except(@ds2).except(@ds3).order(:number).map{|x| x[:number].to_s}.should == %w'20'
@ds1.except(@ds2.except(@ds3)).order(:number).map{|x| x[:number].to_s}.should == %w'10 20'
@ds1.except(@ds2).intersect(@ds3).order(:number).map{|x| x[:number].to_s}.should == %w''
@ds1.except(@ds2.intersect(@ds3)).order(:number).map{|x| x[:number].to_s}.should == %w'20'
@ds1.intersect(@ds2).union(@ds3).order(:number).map{|x| x[:number].to_s}.should == %w'10 40'
@ds1.intersect(@ds2.union(@ds3)).order(:number).map{|x| x[:number].to_s}.should == %w'10'
@ds1.intersect(@ds2).except(@ds3).order(:number).map{|x| x[:number].to_s}.should == %w''
@ds1.intersect(@ds2.except(@ds3)).order(:number).map{|x| x[:number].to_s}.should == %w''
@ds1.intersect(@ds2).intersect(@ds3).order(:number).map{|x| x[:number].to_s}.should == %w'10'
@ds1.intersect(@ds2.intersect(@ds3)).order(:number).map{|x| x[:number].to_s}.should == %w'10'
end
end
end
if INTEGRATION_DB.dataset.supports_cte?
describe "Common Table Expressions" do
before do
@db = INTEGRATION_DB
@db.create_table!(:i1){Integer :id; Integer :parent_id}
@ds = @db[:i1]
@ds.insert(:id=>1)
@ds.insert(:id=>2)
@ds.insert(:id=>3, :parent_id=>1)
@ds.insert(:id=>4, :parent_id=>1)
@ds.insert(:id=>5, :parent_id=>3)
@ds.insert(:id=>6, :parent_id=>5)
end
after do
@db.drop_table(:i1)
end
specify "should give correct results for WITH" do
@db[:t].with(:t, @ds.filter(:parent_id=>nil).select(:id)).order(:id).map(:id).should == [1, 2]
end
specify "should give correct results for recursive WITH" do
ds = @db[:t].select(:i___id, :pi___parent_id).with_recursive(:t, @ds.filter(:parent_id=>nil), @ds.join(:t, :i=>:parent_id).select(:i1__id, :i1__parent_id), :args=>[:i, :pi])
ds.all.should == [{:parent_id=>nil, :id=>1}, {:parent_id=>nil, :id=>2}, {:parent_id=>1, :id=>3}, {:parent_id=>1, :id=>4}, {:parent_id=>3, :id=>5}, {:parent_id=>5, :id=>6}]
ps = @db[:t].select(:i___id, :pi___parent_id).with_recursive(:t, @ds.filter(:parent_id=>:$n), @ds.join(:t, :i=>:parent_id).filter(:t__i=>:parent_id).select(:i1__id, :i1__parent_id), :args=>[:i, :pi]).prepare(:select, :cte_sel)
ps.call(:n=>1).should == [{:id=>3, :parent_id=>1}, {:id=>4, :parent_id=>1}, {:id=>5, :parent_id=>3}, {:id=>6, :parent_id=>5}]
ps.call(:n=>3).should == [{:id=>5, :parent_id=>3}, {:id=>6, :parent_id=>5}]
ps.call(:n=>5).should == [{:id=>6, :parent_id=>5}]
end
specify "should support joining a dataset with a CTE" do
@ds.inner_join(@db[:t].with(:t, @ds.filter(:parent_id=>nil)), :id => :id).select(:i1__id).order(:i1__id).map(:id).should == [1,2]
@db[:t].with(:t, @ds).inner_join(@db[:s].with(:s, @ds.filter(:parent_id=>nil)), :id => :id).select(:t__id).order(:t__id).map(:id).should == [1,2]
end
end
end
if INTEGRATION_DB.dataset.supports_window_functions?
describe "Window Functions" do
before do
@db = INTEGRATION_DB
@db.create_table!(:i1){Integer :id; Integer :group_id; Integer :amount}
@ds = @db[:i1].order(:id)
@ds.insert(:id=>1, :group_id=>1, :amount=>1)
@ds.insert(:id=>2, :group_id=>1, :amount=>10)
@ds.insert(:id=>3, :group_id=>1, :amount=>100)
@ds.insert(:id=>4, :group_id=>2, :amount=>1000)
@ds.insert(:id=>5, :group_id=>2, :amount=>10000)
@ds.insert(:id=>6, :group_id=>2, :amount=>100000)
end
after do
@db.drop_table(:i1)
end
specify "should give correct results for aggregate window functions" do
@ds.select(:id){sum(:over, :args=>amount, :partition=>group_id){}.as(:sum)}.all.should ==
[{:sum=>111, :id=>1}, {:sum=>111, :id=>2}, {:sum=>111, :id=>3}, {:sum=>111000, :id=>4}, {:sum=>111000, :id=>5}, {:sum=>111000, :id=>6}]
@ds.select(:id){sum(:over, :args=>amount){}.as(:sum)}.all.should ==
[{:sum=>111111, :id=>1}, {:sum=>111111, :id=>2}, {:sum=>111111, :id=>3}, {:sum=>111111, :id=>4}, {:sum=>111111, :id=>5}, {:sum=>111111, :id=>6}]
end
specify "should give correct results for ranking window functions with orders" do
@ds.select(:id){rank(:over, :partition=>group_id, :order=>id){}.as(:rank)}.all.should ==
[{:rank=>1, :id=>1}, {:rank=>2, :id=>2}, {:rank=>3, :id=>3}, {:rank=>1, :id=>4}, {:rank=>2, :id=>5}, {:rank=>3, :id=>6}]
@ds.select(:id){rank(:over, :order=>id){}.as(:rank)}.all.should ==
[{:rank=>1, :id=>1}, {:rank=>2, :id=>2}, {:rank=>3, :id=>3}, {:rank=>4, :id=>4}, {:rank=>5, :id=>5}, {:rank=>6, :id=>6}]
end
cspecify "should give correct results for aggregate window functions with orders", :mssql do
@ds.select(:id){sum(:over, :args=>amount, :partition=>group_id, :order=>id){}.as(:sum)}.all.should ==
[{:sum=>1, :id=>1}, {:sum=>11, :id=>2}, {:sum=>111, :id=>3}, {:sum=>1000, :id=>4}, {:sum=>11000, :id=>5}, {:sum=>111000, :id=>6}]
@ds.select(:id){sum(:over, :args=>amount, :order=>id){}.as(:sum)}.all.should ==
[{:sum=>1, :id=>1}, {:sum=>11, :id=>2}, {:sum=>111, :id=>3}, {:sum=>1111, :id=>4}, {:sum=>11111, :id=>5}, {:sum=>111111, :id=>6}]
end
cspecify "should give correct results for aggregate window functions with frames", :mssql do
@ds.select(:id){sum(:over, :args=>amount, :partition=>group_id, :order=>id, :frame=>:all){}.as(:sum)}.all.should ==
[{:sum=>111, :id=>1}, {:sum=>111, :id=>2}, {:sum=>111, :id=>3}, {:sum=>111000, :id=>4}, {:sum=>111000, :id=>5}, {:sum=>111000, :id=>6}]
@ds.select(:id){sum(:over, :args=>amount, :partition=>group_id, :frame=>:all){}.as(:sum)}.all.should ==
[{:sum=>111, :id=>1}, {:sum=>111, :id=>2}, {:sum=>111, :id=>3}, {:sum=>111000, :id=>4}, {:sum=>111000, :id=>5}, {:sum=>111000, :id=>6}]
@ds.select(:id){sum(:over, :args=>amount, :order=>id, :frame=>:all){}.as(:sum)}.all.should ==
[{:sum=>111111, :id=>1}, {:sum=>111111, :id=>2}, {:sum=>111111, :id=>3}, {:sum=>111111, :id=>4}, {:sum=>111111, :id=>5}, {:sum=>111111, :id=>6}]
@ds.select(:id){sum(:over, :args=>amount, :frame=>:all){}.as(:sum)}.all.should ==
[{:sum=>111111, :id=>1}, {:sum=>111111, :id=>2}, {:sum=>111111, :id=>3}, {:sum=>111111, :id=>4}, {:sum=>111111, :id=>5}, {:sum=>111111, :id=>6}]
@ds.select(:id){sum(:over, :args=>amount, :partition=>group_id, :order=>id, :frame=>:rows){}.as(:sum)}.all.should ==
[{:sum=>1, :id=>1}, {:sum=>11, :id=>2}, {:sum=>111, :id=>3}, {:sum=>1000, :id=>4}, {:sum=>11000, :id=>5}, {:sum=>111000, :id=>6}]
@ds.select(:id){sum(:over, :args=>amount, :partition=>group_id, :frame=>:rows){}.as(:sum)}.all.should ==
[{:sum=>1, :id=>1}, {:sum=>11, :id=>2}, {:sum=>111, :id=>3}, {:sum=>1000, :id=>4}, {:sum=>11000, :id=>5}, {:sum=>111000, :id=>6}]
@ds.select(:id){sum(:over, :args=>amount, :order=>id, :frame=>:rows){}.as(:sum)}.all.should ==
[{:sum=>1, :id=>1}, {:sum=>11, :id=>2}, {:sum=>111, :id=>3}, {:sum=>1111, :id=>4}, {:sum=>11111, :id=>5}, {:sum=>111111, :id=>6}]
@ds.select(:id){sum(:over, :args=>amount, :frame=>:rows){}.as(:sum)}.all.should ==
[{:sum=>1, :id=>1}, {:sum=>11, :id=>2}, {:sum=>111, :id=>3}, {:sum=>1111, :id=>4}, {:sum=>11111, :id=>5}, {:sum=>111111, :id=>6}]
end
end
end
describe Sequel::SQL::Constants do
before do
@db = INTEGRATION_DB
@ds = @db[:constants]
@c = proc do |v|
case v
when Time
v
when DateTime, String
Time.parse(v.to_s)
else
v
end
end
@c2 = proc{|v| v.is_a?(Date) ? v : Date.parse(v) }
end
after do
@db.drop_table(:constants)
end
cspecify "should have working CURRENT_DATE", [:odbc, :mssql], [:jdbc, :sqlite] do
@db.create_table!(:constants){Date :d}
@ds.insert(:d=>Sequel::CURRENT_DATE)
d = @c2[@ds.get(:d)]
d.should be_a_kind_of(Date)
d.to_s.should == Date.today.to_s
end
cspecify "should have working CURRENT_TIME", [:do, :mysql], [:jdbc, :sqlite], [:mysql2] do
@db.create_table!(:constants){Time :t, :only_time=>true}
@ds.insert(:t=>Sequel::CURRENT_TIME)
(Time.now - @c[@ds.get(:t)]).should be_within(1).of(0)
end
cspecify "should have working CURRENT_TIMESTAMP", [:jdbc, :sqlite] do
@db.create_table!(:constants){DateTime :ts}
@ds.insert(:ts=>Sequel::CURRENT_TIMESTAMP)
(Time.now - @c[@ds.get(:ts)]).should be_within(1).of(0)
end
end
describe "Sequel::Dataset#import and #multi_insert" do
before do
@db = INTEGRATION_DB
@db.create_table!(:imp){Integer :i}
@db.create_table!(:exp2){Integer :i}
@ids = @db[:imp].order(:i)
@eds = @db[:exp2]
end
after do
@db.drop_table(:imp, :exp2)
end
it "should import with multi_insert and an array of hashes" do
@ids.multi_insert([{:i=>10}, {:i=>20}])
@ids.all.should == [{:i=>10}, {:i=>20}]
end
it "should import with an array of arrays of values" do
@ids.import([:i], [[10], [20]])
@ids.all.should == [{:i=>10}, {:i=>20}]
end
it "should import with a dataset" do
@eds.import([:i], [[10], [20]])
@ids.import([:i], @eds)
@ids.all.should == [{:i=>10}, {:i=>20}]
end
it "should have import work with the :slice_size option" do
@ids.import([:i], [[10], [20], [30]], :slice_size=>1)
@ids.all.should == [{:i=>10}, {:i=>20}, {:i=>30}]
@ids.delete
@ids.import([:i], [[10], [20], [30]], :slice_size=>2)
@ids.all.should == [{:i=>10}, {:i=>20}, {:i=>30}]
@ids.delete
@ids.import([:i], [[10], [20], [30]], :slice_size=>3)
@ids.all.should == [{:i=>10}, {:i=>20}, {:i=>30}]
end
end
describe "Sequel::Dataset convenience methods" do
before do
@db = INTEGRATION_DB
@db.create_table!(:a){Integer :a; Integer :b}
@ds = @db[:a].order(:a)
end
after do
@db.drop_table(:a)
end
it "#[]= should update matching rows" do
@ds.insert(20, 10)
@ds[:a=>20] = {:b=>30}
@ds.all.should == [{:a=>20, :b=>30}]
end
it "#empty? should return whether the dataset returns no rows" do
@ds.empty?.should == true
@ds.insert(20, 10)
@ds.empty?.should == false
end
it "#group_and_count should return a grouping by count" do
@ds.group_and_count(:a).order(:count).all.should == []
@ds.insert(20, 10)
@ds.group_and_count(:a).order(:count).all.each{|h| h[:count] = h[:count].to_i}.should == [{:a=>20, :count=>1}]
@ds.insert(20, 30)
@ds.group_and_count(:a).order(:count).all.each{|h| h[:count] = h[:count].to_i}.should == [{:a=>20, :count=>2}]
@ds.insert(30, 30)
@ds.group_and_count(:a).order(:count).all.each{|h| h[:count] = h[:count].to_i}.should == [{:a=>30, :count=>1}, {:a=>20, :count=>2}]
end
it "#group_and_count should support column aliases" do
@ds.group_and_count(:a___c).order(:count).all.should == []
@ds.insert(20, 10)
@ds.group_and_count(:a___c).order(:count).all.each{|h| h[:count] = h[:count].to_i}.should == [{:c=>20, :count=>1}]
@ds.insert(20, 30)
@ds.group_and_count(:a___c).order(:count).all.each{|h| h[:count] = h[:count].to_i}.should == [{:c=>20, :count=>2}]
@ds.insert(30, 30)
@ds.group_and_count(:a___c).order(:count).all.each{|h| h[:count] = h[:count].to_i}.should == [{:c=>30, :count=>1}, {:c=>20, :count=>2}]
end
cspecify "#range should return the range between the maximum and minimum values", :sqlite do
@ds = @ds.unordered
@ds.insert(20, 10)
@ds.insert(30, 10)
@ds.range(:a).should == (20..30)
@ds.range(:b).should == (10..10)
end
it "#interval should return the different between the maximum and minimum values" do
@ds = @ds.unordered
@ds.insert(20, 10)
@ds.insert(30, 10)
@ds.interval(:a).to_i.should == 10
@ds.interval(:b).to_i.should == 0
end
end
describe "Sequel::Dataset main SQL methods" do
before do
@db = INTEGRATION_DB
@db.create_table!(:a){Integer :a; Integer :b}
@ds = @db[:a].order(:a)
end
after do
@db.drop_table(:a)
end
it "#exists should return a usable exists clause" do
@ds.filter(@db[:a___c].filter(:c__a=>:a__b).exists).all.should == []
@ds.insert(20, 30)
@ds.insert(10, 20)
@ds.filter(@db[:a___c].filter(:c__a=>:a__b).exists).all.should == [{:a=>10, :b=>20}]
end
it "#filter and #exclude should work with placeholder strings" do
@ds.insert(20, 30)
@ds.filter("a > ?", 15).all.should == [{:a=>20, :b=>30}]
@ds.exclude("b < ?", 15).all.should == [{:a=>20, :b=>30}]
@ds.filter("b < ?", 15).invert.all.should == [{:a=>20, :b=>30}]
end
it "#and and #or should work correctly" do
@ds.insert(20, 30)
@ds.filter(:a=>20).and(:b=>30).all.should == [{:a=>20, :b=>30}]
@ds.filter(:a=>20).and(:b=>15).all.should == []
@ds.filter(:a=>20).or(:b=>15).all.should == [{:a=>20, :b=>30}]
@ds.filter(:a=>10).or(:b=>15).all.should == []
end
it "#having should work correctly" do
@ds.unordered!
@ds.select{[b, max(a).as(c)]}.group(:b).having{max(a) > 30}.all.should == []
@ds.insert(20, 30)
@ds.select{[b, max(a).as(c)]}.group(:b).having{max(a) > 30}.all.should == []
@ds.insert(40, 20)
@ds.select{[b, max(a).as(c)]}.group(:b).having{max(a) > 30}.all.each{|h| h[:c] = h[:c].to_i}.should == [{:b=>20, :c=>40}]
end
cspecify "#having should work without a previous group", :sqlite do
@ds.unordered!
@ds.select{max(a).as(c)}.having{max(a) > 30}.all.should == []
@ds.insert(20, 30)
@ds.select{max(a).as(c)}.having{max(a) > 30}.all.should == []
@ds.insert(40, 20)
@ds.select{max(a).as(c)}.having{max(a) > 30}.all.each{|h| h[:c] = h[:c].to_i}.should == [{:c=>40}]
end
end
describe "Sequel::Dataset DSL support" do
before do
@db = INTEGRATION_DB
@db.create_table!(:a){Integer :a; Integer :b}
@ds = @db[:a].order(:a)
end
after do
@db.drop_table(:a)
end
it "should work with standard mathematical operators" do
@ds.insert(20, 10)
@ds.get{a + b}.to_i.should == 30
@ds.get{a - b}.to_i.should == 10
@ds.get{a * b}.to_i.should == 200
@ds.get{a / b}.to_i.should == 2
end
specify "should work with bitwise shift operators" do
@ds.insert(3, 2)
@ds.get{a.sql_number << b}.to_i.should == 12
@ds.get{a.sql_number >> b}.to_i.should == 0
@ds.delete
@ds.insert(3, 1)
@ds.get{a.sql_number << b}.to_i.should == 6
@ds.get{a.sql_number >> b}.to_i.should == 1
end
specify "should work with bitwise AND and OR operators" do
@ds.insert(3, 5)
@ds.get{a.sql_number | b}.to_i.should == 7
@ds.get{a.sql_number & b}.to_i.should == 1
end
cspecify "should work with the bitwise compliment operator", :h2 do
@ds.insert(-3, 3)
@ds.get{~a.sql_number}.to_i.should == 2
@ds.get{~b.sql_number}.to_i.should == -4
end
cspecify "should work with the bitwise xor operator", :sqlite do
@ds.insert(3, 5)
@ds.get{a.sql_number ^ b}.to_i.should == 6
end
specify "should work with inequality operators" do
@ds.insert(10, 11)
@ds.insert(11, 11)
@ds.insert(20, 19)
@ds.insert(20, 20)
@ds.filter{a > b}.select_order_map(:a).should == [20]
@ds.filter{a >= b}.select_order_map(:a).should == [11, 20, 20]
@ds.filter{a < b}.select_order_map(:a).should == [10]
@ds.filter{a <= b}.select_order_map(:a).should == [10, 11, 20]
end
specify "should work with casting and string concatentation" do
@ds.insert(20, 20)
@ds.get{a.cast_string + b.cast_string}.should == '2020'
end
it "should work with ordering" do
@ds.insert(10, 20)
@ds.insert(20, 10)
@ds.order(:a, :b).all.should == [{:a=>10, :b=>20}, {:a=>20, :b=>10}]
@ds.order(:a.asc, :b.asc).all.should == [{:a=>10, :b=>20}, {:a=>20, :b=>10}]
@ds.order(:a.desc, :b.desc).all.should == [{:a=>20, :b=>10}, {:a=>10, :b=>20}]
end
it "should work with qualifying" do
@ds.insert(10, 20)
@ds.get(:a__b).should == 20
@ds.get{a__b}.should == 20
@ds.get(:b.qualify(:a)).should == 20
end
it "should work with aliasing" do
@ds.insert(10, 20)
@ds.get(:a__b___c).should == 20
@ds.get{a__b.as(c)}.should == 20
@ds.get(:b.qualify(:a).as(:c)).should == 20
@ds.get(:b.as(:c)).should == 20
end
it "should work with selecting all columns of a table" do
@ds.insert(20, 10)
@ds.select(:a.*).all.should == [{:a=>20, :b=>10}]
end
it "should work with ranges as hash values" do
@ds.insert(20, 10)
@ds.filter(:a=>(10..30)).all.should == [{:a=>20, :b=>10}]
@ds.filter(:a=>(25..30)).all.should == []
@ds.filter(:a=>(10..15)).all.should == []
@ds.exclude(:a=>(10..30)).all.should == []
@ds.exclude(:a=>(25..30)).all.should == [{:a=>20, :b=>10}]
@ds.exclude(:a=>(10..15)).all.should == [{:a=>20, :b=>10}]
end
it "should work with nil as hash value" do
@ds.insert(20, nil)
@ds.filter(:a=>nil).all.should == []
@ds.filter(:b=>nil).all.should == [{:a=>20, :b=>nil}]
@ds.exclude(:b=>nil).all.should == []
@ds.exclude(:a=>nil).all.should == [{:a=>20, :b=>nil}]
end
it "should work with arrays as hash values" do
@ds.insert(20, 10)
@ds.filter(:a=>[10]).all.should == []
@ds.filter(:a=>[20, 10]).all.should == [{:a=>20, :b=>10}]
@ds.exclude(:a=>[10]).all.should == [{:a=>20, :b=>10}]
@ds.exclude(:a=>[20, 10]).all.should == []
end
it "should work with ranges as hash values" do
@ds.insert(20, 10)
@ds.filter(:a=>(10..30)).all.should == [{:a=>20, :b=>10}]
@ds.filter(:a=>(25..30)).all.should == []
@ds.filter(:a=>(10..15)).all.should == []
@ds.exclude(:a=>(10..30)).all.should == []
@ds.exclude(:a=>(25..30)).all.should == [{:a=>20, :b=>10}]
@ds.exclude(:a=>(10..15)).all.should == [{:a=>20, :b=>10}]
end
it "should work with CASE statements" do
@ds.insert(20, 10)
@ds.filter({{:a=>20}=>20}.case(0) > 0).all.should == [{:a=>20, :b=>10}]
@ds.filter({{:a=>15}=>20}.case(0) > 0).all.should == []
@ds.filter({20=>20}.case(0, :a) > 0).all.should == [{:a=>20, :b=>10}]
@ds.filter({15=>20}.case(0, :a) > 0).all.should == []
end
it "should work with multiple value arrays" do
@ds.insert(20, 10)
@ds.quote_identifiers = false
@ds.filter([:a, :b]=>[[20, 10]].sql_array).all.should == [{:a=>20, :b=>10}]
@ds.filter([:a, :b]=>[[10, 20]].sql_array).all.should == []
@ds.filter([:a, :b]=>[[20, 10], [1, 2]].sql_array).all.should == [{:a=>20, :b=>10}]
@ds.filter([:a, :b]=>[[10, 10], [20, 20]].sql_array).all.should == []
@ds.exclude([:a, :b]=>[[20, 10]].sql_array).all.should == []
@ds.exclude([:a, :b]=>[[10, 20]].sql_array).all.should == [{:a=>20, :b=>10}]
@ds.exclude([:a, :b]=>[[20, 10], [1, 2]].sql_array).all.should == []
@ds.exclude([:a, :b]=>[[10, 10], [20, 20]].sql_array).all.should == [{:a=>20, :b=>10}]
end
it "should work with IN/NOT in with datasets" do
@ds.insert(20, 10)
ds = @ds.unordered
@ds.quote_identifiers = false
@ds.filter(:a=>ds.select(:a)).all.should == [{:a=>20, :b=>10}]
@ds.filter(:a=>ds.select(:a).where(:a=>15)).all.should == []
@ds.exclude(:a=>ds.select(:a)).all.should == []
@ds.exclude(:a=>ds.select(:a).where(:a=>15)).all.should == [{:a=>20, :b=>10}]
@ds.filter([:a, :b]=>ds.select(:a, :b)).all.should == [{:a=>20, :b=>10}]
@ds.filter([:a, :b]=>ds.select(:b, :a)).all.should == []
@ds.exclude([:a, :b]=>ds.select(:a, :b)).all.should == []
@ds.exclude([:a, :b]=>ds.select(:b, :a)).all.should == [{:a=>20, :b=>10}]
@ds.filter([:a, :b]=>ds.select(:a, :b).where(:a=>15)).all.should == []
@ds.exclude([:a, :b]=>ds.select(:a, :b).where(:a=>15)).all.should == [{:a=>20, :b=>10}]
end
specify "should work empty arrays" do
@ds.insert(20, 10)
@ds.filter(:a=>[]).all.should == []
@ds.exclude(:a=>[]).all.should == [{:a=>20, :b=>10}]
@ds.filter([:a, :b]=>[]).all.should == []
@ds.exclude([:a, :b]=>[]).all.should == [{:a=>20, :b=>10}]
end
specify "should work empty arrays with nulls" do
@ds.insert(nil, nil)
@ds.filter(:a=>[]).all.should == []
@ds.exclude(:a=>[]).all.should == [{:a=>nil, :b=>nil}]
@ds.filter([:a, :b]=>[]).all.should == []
@ds.exclude([:a, :b]=>[]).all.should == [{:a=>nil, :b=>nil}]
end
it "should work multiple conditions" do
@ds.insert(20, 10)
@ds.filter(:a=>20, :b=>10).all.should == [{:a=>20, :b=>10}]
@ds.filter([[:a, 20], [:b, 10]]).all.should == [{:a=>20, :b=>10}]
@ds.filter({:a=>20} & {:b=>10}).all.should == [{:a=>20, :b=>10}]
@ds.filter({:a=>20} | {:b=>5}).all.should == [{:a=>20, :b=>10}]
@ds.filter(~{:a=>10}).all.should == [{:a=>20, :b=>10}]
end
end
describe "SQL Extract Function" do
before do
@db = INTEGRATION_DB
@db.create_table!(:a){DateTime :a}
@ds = @db[:a].order(:a)
end
after do
@db.drop_table(:a)
end
cspecify "should return the part of the datetime asked for", :sqlite, :mssql do
t = Time.now
@ds.insert(t)
@ds.get{a.extract(:year)}.should == t.year
@ds.get{a.extract(:month)}.should == t.month
@ds.get{a.extract(:day)}.should == t.day
end
end
describe "Dataset string methods" do
before do
@db = INTEGRATION_DB
@db.create_table!(:a){String :a; String :b}
@ds = @db[:a].order(:a)
end
after do
@db.drop_table(:a)
end
it "#grep should return matching rows" do
@ds.insert('foo', 'bar')
@ds.grep(:a, 'foo').all.should == [{:a=>'foo', :b=>'bar'}]
@ds.grep(:b, 'foo').all.should == []
@ds.grep(:b, 'bar').all.should == [{:a=>'foo', :b=>'bar'}]
@ds.grep(:a, 'bar').all.should == []
@ds.grep([:a, :b], %w'foo bar').all.should == [{:a=>'foo', :b=>'bar'}]
@ds.grep([:a, :b], %w'boo far').all.should == []
end
it "#grep should work with :all_patterns and :all_columns options" do
@ds.insert('foo bar', '')
@ds.insert('foo d', 'bar')
@ds.insert('foo e', '')
@ds.insert('', 'bar')
@ds.insert('foo f', 'baz')
@ds.insert('foo baz', 'bar baz')
@ds.insert('foo boo', 'boo foo')
@ds.grep([:a, :b], %w'%foo% %bar%', :all_patterns=>true).all.should == [{:a=>'foo bar', :b=>''}, {:a=>'foo baz', :b=>'bar baz'}, {:a=>'foo d', :b=>'bar'}]
@ds.grep([:a, :b], %w'%foo% %bar% %blob%', :all_patterns=>true).all.should == []
@ds.grep([:a, :b], %w'%bar% %foo%', :all_columns=>true).all.should == [{:a=>"foo baz", :b=>"bar baz"}, {:a=>"foo boo", :b=>"boo foo"}, {:a=>"foo d", :b=>"bar"}]
@ds.grep([:a, :b], %w'%baz%', :all_columns=>true).all.should == [{:a=>'foo baz', :b=>'bar baz'}]
@ds.grep([:a, :b], %w'%baz% %foo%', :all_columns=>true, :all_patterns=>true).all.should == []
@ds.grep([:a, :b], %w'%boo% %foo%', :all_columns=>true, :all_patterns=>true).all.should == [{:a=>'foo boo', :b=>'boo foo'}]
end
it "#like should return matching rows" do
@ds.insert('foo', 'bar')
@ds.filter(:a.like('foo')).all.should == [{:a=>'foo', :b=>'bar'}]
@ds.filter(:a.like('bar')).all.should == []
@ds.filter(:a.like('foo', 'bar')).all.should == [{:a=>'foo', :b=>'bar'}]
end
it "#ilike should return matching rows, in a case insensitive manner" do
@ds.insert('foo', 'bar')
@ds.filter(:a.ilike('Foo')).all.should == [{:a=>'foo', :b=>'bar'}]
@ds.filter(:a.ilike('baR')).all.should == []
@ds.filter(:a.ilike('FOO', 'BAR')).all.should == [{:a=>'foo', :b=>'bar'}]
end
it "should work with strings created with sql_string_join" do
@ds.insert('foo', 'bar')
@ds.get([:a, :b].sql_string_join).should == 'foobar'
@ds.get([:a, :b].sql_string_join(' ')).should == 'foo bar'
end
end
describe "Dataset identifier methods" do
before do
class ::String
def uprev
upcase.reverse
end
end
@db = INTEGRATION_DB
@db.create_table!(:a){Integer :ab}
@ds = @db[:a].order(:ab)
@ds.insert(1)
end
after do
@db.drop_table(:a)
end
cspecify "#identifier_output_method should change how identifiers are output", [:mysql2], [:swift] do
@ds.identifier_output_method = :upcase
@ds.first.should == {:AB=>1}
@ds.identifier_output_method = :uprev
@ds.first.should == {:BA=>1}
end
it "should work when not quoting identifiers" do
@ds.quote_identifiers = false
@ds.first.should == {:ab=>1}
end
end
describe "Dataset defaults and overrides" do
before do
@db = INTEGRATION_DB
@db.create_table!(:a){Integer :a}
@ds = @db[:a].order(:a)
end
after do
@db.drop_table(:a)
end
it "#set_defaults should set defaults that can be overridden" do
@ds = @ds.set_defaults(:a=>10)
@ds.insert
@ds.insert(:a=>20)
@ds.all.should == [{:a=>10}, {:a=>20}]
end
it "#set_overrides should set defaults that cannot be overridden" do
@ds = @ds.set_overrides(:a=>10)
@ds.insert
@ds.insert(:a=>20)
@ds.all.should == [{:a=>10}, {:a=>10}]
end
end
if INTEGRATION_DB.dataset.supports_modifying_joins?
describe "Modifying joined datasets" do
before do
@db = INTEGRATION_DB
@db.create_table!(:a){Integer :a; Integer :d}
@db.create_table!(:b){Integer :b; Integer :e}
@db.create_table!(:c){Integer :c; Integer :f}
@ds = @db.from(:a, :b).join(:c, :c=>:e.identifier).where(:d=>:b, :f=>6)
@db[:a].insert(1, 2)
@db[:a].insert(3, 4)
@db[:b].insert(2, 5)
@db[:c].insert(5, 6)
@db[:b].insert(4, 7)
@db[:c].insert(7, 8)
end
after do
@db.drop_table(:a, :b, :c)
end
it "#update should allow updating joined datasets" do
@ds.update(:a=>10)
@ds.all.should == [{:c=>5, :b=>2, :a=>10, :d=>2, :e=>5, :f=>6}]
@db[:a].order(:a).all.should == [{:a=>3, :d=>4}, {:a=>10, :d=>2}]
@db[:b].order(:b).all.should == [{:b=>2, :e=>5}, {:b=>4, :e=>7}]
@db[:c].order(:c).all.should == [{:c=>5, :f=>6}, {:c=>7, :f=>8}]
end
it "#delete should allow deleting from joined datasets" do