public async Task IsArmingOnAsync_Returns_Arming_StateAsync() { // Arrange var miioDevice = new Mock <IMiioTransport>(); miioDevice.Setup(x => x.SendMessageAsync(It.IsAny <string>())).Returns(Task.FromResult("{\"result\":[\"off\"],\"id\":1}")); var miioGateway = new MiioGateway(miioDevice.Object); // Act var arming = await miioGateway.IsArmingOnAsync(); // Assert miioDevice.Verify(x => x.SendMessageAsync("{\"id\": 1, \"method\": \"get_arming\", \"params\": []}"), Times.Once()); Assert.False(arming); }