})
})
Describe("#Decr", func() {
It("calls DECR on the redis connection", func() {
var decrCalled bool
fakeConnection.RespondToDo(func(command string, args ...interface{}) (interface{}, error) {
decrCalled = true
Expect(command).To(Equal("DECR"))
Expect(args[0]).To(HaveLen(1))
Expect(args[0].([]interface{})[0]).To(Equal("my key"))
return int64(42), nil
})
val, err := commander.Decr("my key")
Expect(err).To(BeNil())
Expect(decrCalled).To(BeTrue())
Expect(val).To(Equal(42))
})
It("returns the redis error", func() {
fakeConnection.RespondToDo(func(command string, args ...interface{}) (interface{}, error) {
return nil, errors.New("decr error")
})
_, err := commander.Decr("my key")
Expect(err.Error()).To(Equal("decr error"))
})
})
