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connection_manager_test.go
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connection_manager_test.go
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package hansip
import (
"testing"
"time"
"github.com/stretchr/testify/suite"
)
type ConnectionManagerTestSuite struct {
TestSuite
}
func TestConnectionManager(t *testing.T) {
s := &ConnectionManagerTestSuite{}
s.noCreateCluster = true
suite.Run(t, s)
}
func (s *ConnectionManagerTestSuite) newIdleConnectionManager() *connectionManager {
return &connectionManager{
slaves: []*connection{},
connCheckDelay: 100 * time.Millisecond,
quitChan: make(chan struct{}),
}
}
func (s *ConnectionManagerTestSuite) TestAddSlave() {
manager := s.newIdleConnectionManager()
manager.addSlave(&connection{
connected: 1,
})
s.Len(manager.getActiveSlaves(), 1)
}
func (s *ConnectionManagerTestSuite) TestReader() {
manager := s.newIdleConnectionManager()
manager.addSlave(&connection{
connected: 1,
s: &dummySQL{},
})
s.NotNil(manager.reader())
// goes to master when no reader available
manager.slaves[0].setConnected(false)
manager.master = &connection{
connected: 1,
s: &dummySQL{},
}
s.NotNil(manager.reader())
}
func (s *ConnectionManagerTestSuite) TestWriter() {
manager := s.newIdleConnectionManager()
manager.master = &connection{
connected: 1,
s: &dummySQL{},
}
s.NotNil(manager.writer())
}
func (s *ConnectionManagerTestSuite) TestLoopAndQuit() {
conn := &connection{
connected: 1,
pingTimeout: 1 * time.Second,
connCheckDelay: 100 * time.Millisecond,
pingFn: func() error {
return nil
},
quitChan: make(chan struct{}),
}
go conn.loop()
manager := s.newIdleConnectionManager()
manager.addSlave(conn)
go manager.loop()
// wait loop to kick in
time.Sleep(300 * time.Millisecond)
s.Len(manager.getActiveSlaves(), 1)
manager.quit()
s.False(conn.getConnected())
s.True(manager.closed)
}