func TestExchange_UsesMatcherForMessagesDirectionToBindings(t *testing.T) {
ex := amq.NewExchange(matcher.Direct)
c1 := new(countingConsumer)
c2 := new(countingConsumer)
b1 := &amq.Binding{Key: "key1", Consumer: c1}
b2 := &amq.Binding{Key: "key2", Consumer: c2}
ex.BindTo(b1)
ex.BindTo(b2)
for i := 0; i < 100; i++ {
ex.Consume(testMsg{
routingKey: "key1",
})
}
if c1.callsCount != 100 {
t.Errorf("Unexpected calls count: %d, expected: %d", c1.callsCount, 100)
}
if c2.callsCount != 0 {
t.Errorf("Unexpected calls count: %d, expected: %d", c1.callsCount, 0)
}
}
func TestExchange_SilentlyDropsMessagesWhenNoBindings(t *testing.T) {
ex := amq.NewExchange(matcher.Direct)
for i := 0; i < 100; i++ {
ex.Consume(testMsg{})
}
}
func TestExchange_BindToErrorsOnDoubleBind(t *testing.T) {
ex := amq.NewExchange(matcher.Direct)
b := &amq.Binding{Key: "key", Consumer: new(countingConsumer)}
err := ex.BindTo(b)
if err != nil {
t.Error("Unexpected error:", err)
}
err = ex.BindTo(b)
if err != amq.ErrAlreadyBound {
t.Error("Unexpected error:", err)
}
}
func TestExchange_UnbindFromErrorsOnDoubleUnind(t *testing.T) {
ex := amq.NewExchange(matcher.Direct)
b := &amq.Binding{Key: "key", Consumer: new(countingConsumer)}
err := ex.BindTo(b)
if err != nil {
t.Error("Unexpected error:", err)
}
err = ex.UnbindFrom(b)
if err != nil {
t.Error("Unexpected error:", err)
}
err = ex.UnbindFrom(b)
if err != amq.ErrBindingNotFound {
t.Error("Unexpected error:", err)
}
}
func TestExchange_OnlyOneDeliveryToSingleConsumer(t *testing.T) {
ex := amq.NewExchange(matcher.Direct)
c := new(countingConsumer)
b1 := &amq.Binding{Key: "key", Consumer: c}
b2 := &amq.Binding{Key: "key", Consumer: c}
ex.BindTo(b1)
ex.BindTo(b2)
for i := 0; i < 100; i++ {
ex.Consume(testMsg{
routingKey: "key",
})
}
if c.callsCount != 100 {
t.Errorf("Unexpected calls count: %d, expected: %d", c.callsCount, 100)
}
}