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require File.join(File.dirname(__FILE__), '../../lib/sequel_core')
require File.join(File.dirname(__FILE__), '../spec_helper.rb')
unless defined?(ORACLE_DB)
ORACLE_DB = Sequel.connect('oracle://hr:hr@localhost/XE')
end
if ORACLE_DB.table_exists?(:items)
ORACLE_DB.drop_table :items
end
ORACLE_DB.create_table :items do
varchar2 :name, :size => 50
number :value, :size => 38
index :value
end
if ORACLE_DB.table_exists?(:books)
ORACLE_DB.drop_table :books
end
ORACLE_DB.create_table :books do
number :id, :size => 38
varchar2 :title, :size => 50
number :category_id, :size => 38
end
if ORACLE_DB.table_exists?(:categories)
ORACLE_DB.drop_table :categories
end
ORACLE_DB.create_table :categories do
number :id, :size => 38
varchar2 :cat_name, :size => 50
end
context "An Oracle database" do
specify "should provide disconnect functionality" do
ORACLE_DB.execute("select user from dual")
ORACLE_DB.pool.size.should == 1
ORACLE_DB.disconnect
ORACLE_DB.pool.size.should == 0
end
end
context "An Oracle dataset" do
setup do
@d = ORACLE_DB[:items]
@d.delete # remove all records
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 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}
]
@d.select(:name).uniq.order_by(:name).to_a.should == [
{:name => 'abc'},
{:name => 'def'}
]
@d.order(:value.DESC).limit(1).to_a.should == [
{:name => 'def', :value => 789}
]
@d.filter(:name => 'abc').to_a.should == [
{:name => 'abc', :value => 123},
{:name => 'abc', :value => 456}
]
@d.order(:value.DESC).filter(:name => 'abc').to_a.should == [
{:name => 'abc', :value => 456},
{:name => 'abc', :value => 123}
]
@d.filter(:name => 'abc').limit(1).to_a.should == [
{:name => 'abc', :value => 123}
]
@d.filter(:name => 'abc').order(:value.DESC).limit(1).to_a.should == [
{:name => 'abc', :value => 456}
]
@d.filter(:name => 'abc').order(:value).limit(1).to_a.should == [
{:name => 'abc', :value => 123}
]
@d.order(:value).limit(1).to_a.should == [
{:name => 'abc', :value => 123}
]
@d.order(:value).limit(1, 1).to_a.should == [
{:name => 'abc', :value => 456}
]
@d.order(:value).limit(1, 2).to_a.should == [
{:name => 'def', :value => 789}
]
@d.avg(:value).to_i.should == (789+123+456)/3
@d.max(:value).to_i.should == 789
@d.select(:name, :AVG[:value]).filter(:name => 'abc').group(:name).to_a.should == [
{:name => 'abc', :"avg(value)" => (456+123)/2.0}
]
@d.select(:AVG[:value]).group(:name).order(:name).limit(1).to_a.should == [
{:"avg(value)" => (456+123)/2.0}
]
@d.select(:name, :AVG[:value]).group(:name).order(:name).to_a.should == [
{:name => 'abc', :"avg(value)" => (456+123)/2.0},
{:name => 'def', :"avg(value)" => 789*1.0}
]
@d.select(:name, :AVG[:value]).group(:name).order(:name).to_a.should == [
{:name => 'abc', :"avg(value)" => (456+123)/2.0},
{:name => 'def', :"avg(value)" => 789*1.0}
]
@d.select(:name, :AVG[:value]).group(:name).having(:name => ['abc', 'def']).order(:name).to_a.should == [
{:name => 'abc', :"avg(value)" => (456+123)/2.0},
{:name => 'def', :"avg(value)" => 789*1.0}
]
@d.select(:name, :value).filter(:name => 'abc').union(@d.select(:name, :value).filter(:name => 'def')).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)
# the third record should stay the same
# floating-point precision bullshit
@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 literalize booleans" do
proc {@d.literal(true)}.should_not raise_error
proc {@d.literal(false)}.should_not raise_error
end
specify "should support transactions" do
ORACLE_DB.transaction do
@d << {:name => 'abc', :value => 1}
end
@d.count.should == 1
end
end
context "Joined Oracle dataset" do
setup do
@d1 = ORACLE_DB[:books]
@d1.delete # remove all records
@d1 << {:id => 1, :title => 'aaa', :category_id => 100}
@d1 << {:id => 2, :title => 'bbb', :category_id => 100}
@d1 << {:id => 3, :title => 'ccc', :category_id => 101}
@d1 << {:id => 4, :title => 'ddd', :category_id => 102}
@d2 = ORACLE_DB[:categories]
@d2.delete # remove all records
@d2 << {:id => 100, :cat_name => 'ruby'}
@d2 << {:id => 101, :cat_name => 'rails'}
end
specify "should return correct result" do
@d1.join(:categories, :id => :category_id).select(:books__id, :title, :cat_name).order(:books__id).to_a.should == [
{:id => 1, :title => 'aaa', :cat_name => 'ruby'},
{:id => 2, :title => 'bbb', :cat_name => 'ruby'},
{:id => 3, :title => 'ccc', :cat_name => 'rails'}
]
@d1.join(:categories, :id => :category_id).select(:books__id, :title, :cat_name).order(:books__id).limit(2, 1).to_a.should == [
{:id => 2, :title => 'bbb', :cat_name => 'ruby'},
{:id => 3, :title => 'ccc', :cat_name => 'rails'},
]
@d1.left_outer_join(:categories, :id => :category_id).select(:books__id, :title, :cat_name).order(:books__id).to_a.should == [
{:id => 1, :title => 'aaa', :cat_name => 'ruby'},
{:id => 2, :title => 'bbb', :cat_name => 'ruby'},
{:id => 3, :title => 'ccc', :cat_name => 'rails'},
{:id => 4, :title => 'ddd', :cat_name => nil}
]
@d1.left_outer_join(:categories, :id => :category_id).select(:books__id, :title, :cat_name).order(:books__id.DESC).limit(2, 0).to_a.should == [
{:id => 4, :title => 'ddd', :cat_name => nil},
{:id => 3, :title => 'ccc', :cat_name => 'rails'}
]
end
end
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