require File.join(File.dirname(__FILE__),'spec_helper')
require File.join(File.dirname(__FILE__), 'support', 'shared_examples')

describe "Store" do
  it_behaves_like "SharedRhoconnectHelper", :rhoconnect_data => true do
    describe "store methods" do
      it "should create db class method" do
        Store.db.class.name.should match(/Redis/)
      end

      it "should set redis connection" do
        Store.db = nil
        Store.db = 'localhost:6379'
        Store.db.client.host.should == 'localhost'
        Store.db.client.port.should == 6379
      end

      it "should create default redis connection" do
        Store.db = nil
        Store.db.class.name.should match(/Redis/)
      end

      it "should assign redis to existing redis" do
        Store.db = Redis.new(:timeout => 60)
        Store.db.client.timeout.should == 60
      end

      it "should create redis connection based on ENV" do
        ENV[REDIS_URL] = 'redis://localhost:6379'
        Redis.should_receive(:connect).with(:url => 'redis://localhost:6379').and_return { Redis.new }
        Store.db = nil
        Store.db.should_not == nil
        ENV.delete(REDIS_URL)
      end

      it "should add simple data to new set" do
        Store.put_data(@s.docname(:md),@data).should == true
        Store.get_data(@s.docname(:md)).should == @data
      end

      it "should set_data and get_data" do
        Store.set_data('foo', @data)
        Store.get_data('foo').should == @data
      end

      it "should put_data with simple data" do
        data = { '1' => { 'hello' => 'world' } }
        Store.put_data('mydata', data)
        Store.get_data('mydata').should == data
      end
      
      it "should update_objects with simple data and one changed attribute" do
        data = { '1' => { 'hello' => 'world', "attr1" => 'value1' } }
        update_data = { '1' => {'attr1' => 'value2'}}
        Store.put_data('mydata', data)
        Store.get_data('mydata').should == data
        Store.update_objects('mydata', update_data)        
        data['1'].merge!(update_data['1'])
        Store.get_data('mydata').should == data
      end
      
      it "should update_objects with simple data and verify that srem and sadd is called only on affected fields" do
        data = { '1' => { 'hello' => 'world', "attr1" => 'value1' } }
        update_data = { '1' => {'attr1' => 'value2', 'new_attr' => 'new_val', 'hello' => 'world'},
                        '2' => {'whole_new_object' => 'new_value' } }
        Store.put_data('mydata', data)
        Store.db.should_receive(:srem).exactly(1).times
        Store.db.should_receive(:sadd).exactly(3).times
        Store.update_objects('mydata', update_data)        
      end
      
      it "should delete_objects with simple data" do
        data = { '1' => { 'hello' => 'world', "attr1" => 'value1' } }
        Store.put_data('mydata', data)
        Store.delete_objects('mydata', ['1'])
        Store.get_data('mydata').should == {}
      end
      
      it "should delete_objects with simple data and verify that srem is called only on affected fields" do
        data = { '1' => { 'hello' => 'world', "attr1" => 'value1' } }
        Store.put_data('mydata', data)
        Store.db.should_receive(:srem).exactly(2).times
        Store.db.should_receive(:sadd).exactly(0).times
        Store.delete_objects('mydata', ['1'])        
      end
      
      it "should add simple array data to new set" do
        @data = ['1','2','3']
        Store.put_data(@s.docname(:md),@data).should == true
        Store.get_data(@s.docname(:md),Array).sort.should == @data
      end

      it "should replace simple data to existing set" do
        new_data,new_data['3'] = {},{'name' => 'Droid','brand' => 'Google'}
        Store.put_data(@s.docname(:md),@data).should == true
        Store.put_data(@s.docname(:md),new_data)
        Store.get_data(@s.docname(:md)).should == new_data
      end

      it "should put_value and get_value" do
        Store.put_value('foo','bar')
        Store.get_value('foo').should == 'bar'
      end

      it "should incr a key" do
        Store.incr('foo').should == 1
      end

      it "should decr a key" do
        Store.set_value('foo', 10)
        Store.decr('foo').should == 9
      end

      it "should return true/false if element ismember of a set" do
        Store.put_data('foo',['a'])
        Store.ismember?('foo','a').should == true

        Store.ismember?('foo','b').should == false
      end

      it "should return attributes modified in doc2" do
        Store.put_data(@s.docname(:md),@data).should == true
        Store.get_data(@s.docname(:md)).should == @data

        @product3['price'] = '59.99'
        expected = { '3' => { 'price' => '59.99' } }
        @data1,@data1['1'],@data1['2'],@data1['3'] = {},@product1,@product2,@product3

        Store.put_data(@c.docname(:cd),@data1)
        Store.get_data(@c.docname(:cd)).should == @data1
        Store.get_diff_data(@s.docname(:md),@c.docname(:cd)).should == [expected,1]
      end

      it "should return attributes modified and missed in doc2" do
        Store.put_data(@s.docname(:md),@data).should == true
        Store.get_data(@s.docname(:md)).should == @data

        @product2['price'] = '59.99'
        expected = { '2' => { 'price' => '99.99' },'3' => @product3 }
        @data1,@data1['1'],@data1['2'] = {},@product1,@product2

        Store.put_data(@c.docname(:cd),@data1)
        Store.get_data(@c.docname(:cd)).should == @data1
        Store.get_diff_data(@c.docname(:cd),@s.docname(:md)).should == [expected,2]
      end  

      it "should ignore reserved attributes" do
        @newproduct = {
          'name' => 'iPhone',
          'brand' => 'Apple',
          'price' => '199.99',
          'id' => 1234,
          'attrib_type' => 'someblob'
        }

        @data1 = {'1'=>@newproduct,'2'=>@product2,'3'=>@product3}

        Store.put_data(@s.docname(:md),@data1).should == true
        Store.get_data(@s.docname(:md)).should == @data
      end

      it "should flash_data" do
        Store.put_data(@s.docname(:md),@data)
        Store.flash_data(@s.docname(:md))
        Store.get_data(@s.docname(:md)).should == {}
      end
      
      it "should flash_data for all keys matching pattern" do
        keys = ['test_flash_data1','test_flash_data2']
        keys.each {|key| Store.put_data(key,@data)}
        Store.flash_data('test_flash_data*')
        keys.each {|key| Store.get_data(key).should == {} }
      end

      it "should flash_data without calling KEYS when there aren't pattern matching characters in the provided keymask" do
        key = 'test_flash_data'
        Store.put_data(key,@data)
        Store.db.should_not_receive(:keys)
        Store.db.should_receive(:del).once.with(key).and_return(true)
        Store.flash_data(key)
      end

      it "should flash_data and call KEYS when there are pattern matching characters in the provided keymask" do
        keys = ['test_flash_data1','test_flash_data2']
        keys.each {|key| Store.put_data(key,@data)}
        Store.db.should_receive(:keys).exactly(1).times.with("test_flash_data*").and_return(keys)
        Store.db.should_receive(:del).exactly(2).times.with(/^test_flash_data[12]$/).and_return(true)
        Store.flash_data("test_flash_data*")
      end

      it "should get_keys" do
        expected = ["doc1:1:1:1:source1", "doc1:1:1:1:source2"]
        Store.put_data(expected[0],@data)
        Store.put_data(expected[1],@data)
        Store.get_keys('doc1:1:1:1:*').sort.should == expected
      end

      if defined?(JRUBY_VERSION)
        # FIXME:
        it "should lock document" do
          doc = "locked_data"
          m_lock = Store.get_lock(doc)
          t = Thread.new do
            Store.db = Redis.new
            t_lock = Store.get_lock(doc)
            Store.put_data(doc,{'1'=>@product1},true)
            Store.release_lock(doc,t_lock) 
          end
          Store.put_data(doc,{'2'=>@product2},true)
          Store.get_data(doc).should == {'2'=>@product2}
          Store.release_lock(doc,m_lock)
          t.join
          m_lock = Store.get_lock(doc)
          Store.get_data(doc).should == {'1'=>@product1,'2'=>@product2}
        end
      else
        it "should lock document" do
          doc = "locked_data"
          m_lock = Store.get_lock(doc)
          pid = Process.fork do
            Store.db = Redis.new
            t_lock = Store.get_lock(doc)
            Store.put_data(doc,{'1'=>@product1},true)
            Store.release_lock(doc,t_lock) 
            Process.exit(0)
          end
          Store.put_data(doc,{'2'=>@product2},true)
          Store.get_data(doc).should == {'2'=>@product2}
          Store.release_lock(doc,m_lock)
          Process.waitpid(pid)
          m_lock = Store.get_lock(doc)
          Store.get_data(doc).should == {'1'=>@product1,'2'=>@product2}
        end
      end

      it "should lock key for timeout" do
        doc = "locked_data"
        lock = Time.now.to_i+3
        Store.db.set "lock:#{doc}", lock
        Store.should_receive(:sleep).at_least(:once).with(1).and_return { sleep 1; Store.release_lock(doc,lock); }
        Store.get_lock(doc,4)
      end

      it "should raise exception if lock expires" do
        doc = "locked_data"
        Store.get_lock(doc)
        lambda { sleep 2; Store.get_lock(doc,4,true) }.should raise_error(StoreLockException,"Lock \"lock:locked_data\" expired before it was released")
      end

      it "should raise lock expires exception on global setting" do
        doc = "locked_data"
        Store.get_lock(doc)
        Rhoconnect.raise_on_expired_lock = true
        lambda { sleep 2; Store.get_lock(doc,4) }.should raise_error(StoreLockException,"Lock \"lock:locked_data\" expired before it was released")
        Rhoconnect.raise_on_expired_lock = false
      end

      it "should acquire lock if it expires" do
       	doc = "locked_data"
       	Store.get_lock(doc)
       	sleep 2
       	Store.get_lock(doc,1).should > Time.now.to_i
      end

      it "should use global lock duration" do
        doc = "locked_data"
        Rhoconnect.lock_duration = 2
       	Store.get_lock(doc)
       	Store.should_receive(:sleep).exactly(3).times.with(1).and_return { sleep 1 }
        Store.get_lock(doc)
       	Rhoconnect.lock_duration = nil
      end

      it "should lock document in block" do
        doc = "locked_data"
        Store.lock(doc,0) do
          Store.put_data(doc,{'2'=>@product2})
          Store.get_data(doc).should == {'2'=>@product2}
        end
      end

      it "should create clone of set" do
        set_state('abc' => @data)
        Store.clone('abc','def')
        verify_result('abc' => @data,'def' => @data)
      end

      it "should rename a key" do
        set_state('key1' => @data)
        Store.rename('key1','key2')
        verify_result('key1' => {}, 'key2' => @data)
      end

      it "should not fail to rename if key doesn't exist" do
        Store.rename('key1','key2')
        Store.db.exists('key1').should be_false
        Store.db.exists('key2').should be_false      
      end

      it "should raise ArgumentError on put_data with invalid data" do
        foobar = {'foo'=>'bar'}
        expect { 
          Store.put_data('somedoc',{'foo'=>'bar'}) 
        }.to raise_exception(ArgumentError, "Invalid value object: #{foobar['foo'].inspect}. Hash is expected.")
      end

    end
  end  
end