KR20050023582A - UPnP TEST APARTUS AND METHOD THEREOF - Google Patents

Abstract

PURPOSE: A UPnP(Universal Plug and Play) test device and a method thereof are provided to test an operated state of a middleware through various test cases in accordance with a UPnP standard specification, thereby exactly checking the operated state of the middleware regardless of functions of a controlling device and a controlled device. CONSTITUTION: A UPnP test device(300) comprises as follows. A network interface(310) transmits/receives data through a network communication channel. A data manager(320) manages inputting/outputting of all data. A test controller(330) tests a networking state of a UPnP middleware by networking with a target network device, and supplies the tested results to the data manager(320). An input unit(340) receives a control command for controlling a UPnP networking test from a tester. A display(350) supplies a UPnP networking test process and the tested results to the tester through a GUI screen.

Description

JPNP test apparatus and its method {UPnP TEST APARTUS AND METHOD THEREOF}

The present invention relates to a UPnP test apparatus and a method thereof, and in particular, a tester performs network middleware by testing network middleware for controlling network devices operating on a home network through a predetermined test case according to a standard specification. It is to be able to automatically test the operating state of a specific target network device.

Recently, as digital devices such as digital TVs, digital VCRs, and digital set-top boxes are widely used, digital functions are added to these digital devices and existing home appliances (eg, refrigerators, washing machines, etc.) to connect them to one network. There is a growing interest in home network environments that can be controlled.

In a home network environment, a virtual common computing environment is widely used by a home network system that monitors the status of various home appliances (hereinafter, referred to as network devices) operating on a home network and transmits control commands according to a user's request. Is required.

In the home network, the home audio video interoperability (HAVI), universal plug and play control device (UPnP), Middleware such as Java Intelligent Network Infrastructure (Jini), Home Wide Web (HWW), etc. are used.

The middleware has a protocol structure according to a predetermined standard to enable communication between network devices by connecting various network devices operating on a home network in a peer-to-peer manner. 1 schematically illustrates the structure of the UPnP protocol.

As shown in FIG. 1, UPnP is largely classified into a control point and a controlled device according to a role based on an Internet protocol (hereinafter, referred to as IP). Collects state information of other network devices operating on the network, checks the list, periodically updates the list information, and controls the controlled device.

According to the UPnP, a network device (hereinafter referred to as a root device) is a file in the form of an XML (eXtensible Markup Language) file that provides important information related to an embedded device or a service template provided through the network device and the embedded device. By exchanging with other network devices, it is possible to use devices and services between network devices through networking according to UPnP.

In other words, UPnP provides interoperability between network devices based on IP, and uses TCP / IP or UDP / IP as a networking protocol. In the case of TCP / IP service, each network device is a dynamic host configuration protocol (Dynamic Host). IP address assigned through the Configuration Protocol (hereinafter referred to as DHCP) or assigned through the Auto IP assignment function (Auto IP).

Then, HTTPMU or HTTPPU over TCP / IP and HTTPMU or HTTPPU over UDP / IP can search for controlled devices operating on a home network through the Simple Service Discovery Protocol (hereinafter referred to as SSDP), or GENA (Generic Event Notification Architecture). It is used for sending / receiving notifications through the system or transmitting control commands through the Simple Object Access Protocol (hereinafter referred to as SOAP).

Networking between network devices is possible based on the protocol structure as described above. In order to determine whether UPnP is normally operating, it can be confirmed through messages transmitted / received during the networking process between network devices according to the UPnP standard. .

This UPnP test method can be used to test the basic functions of the controlled device using US Patent Registration No. 0027569 (named Generic User Control Point Tool For Universal Plug and Play (UPnP) Devices), By testing the UPnP operation state of the controlled device using the control device, there is a problem that it is difficult to test all the functions of the controlled device because the test range is limited.

Accordingly, there is a demand for a UPnP test method capable of testing all operation processes performed by the control device and the controlled device operating on the home network while simultaneously having the functions of the control device and the controlled device.

The present invention has been made to solve the above problems, by testing the operating state of the middleware through various test cases consisting of the operation process according to the UPnP standard specification, regardless of the function of the control device and the controlled device network middleware The main purpose is to be able to accurately check the operating state of the.

The present invention stores various test cases input from the tester for testing the operation state of the network middleware, and when a specific test case is selected by the tester, the control device or the controlled device is used as the target network device by using the selected test case. Is to test the networking operation.

The test case consists of various networking processes between network devices according to the standard of network middleware and the expected result value of each networking process.

Hereinafter, a test apparatus and a method thereof according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The UPnP test apparatus according to an embodiment of the present invention simultaneously performs the functions of the controlled device and the control device to test whether the network middleware that enables networking between a plurality of network devices interconnected by a network communication channel operates normally. It is characterized in that the networking to the controlled device or the control device using predetermined test cases according to the selection of the tester.

The UPnP network device according to an embodiment of the present invention includes a test case storage unit configured to receive and store a plurality of test cases for testing a networking state of network middleware from a tester, and a predetermined test case according to a control command of the tester. And a test controller for determining a role for networking with the target network device according to the test case selection of the tester, and performing a networking operation with the target network device through the determined role. In the networking process with the network device, a predetermined message received from the target network device is used to determine whether the networking operation according to the test case is normally performed, and the determination result is collected.

In addition, the network management unit for processing data transmission / reception through the network communication channel for the network middleware test through the test control unit, a data management unit for processing all data input / output management, including data input / output through the network interface unit, A test recorder for storing all records of the test including the test result obtained through the network middleware test in the test control unit, an input unit for receiving a control command for the network middleware test through the test control unit from the tester, and a test in the test control unit. It characterized in that it further comprises a display unit for providing a process to the tester through the GUI screen.

UPnP test method according to an embodiment of the present invention comprises the steps of receiving a test case for testing the network middleware to enable networking between a plurality of network devices interconnected by a network communication channel from the tester; And testing whether the network middleware operates normally while performing a networking operation with a specific target network device using test cases selected according to a tester's selection.

The test step may further include receiving target network devices and test cases for network middleware testing from a tester; Generating a test item using the input test cases and detecting the test case from a test case storage; Establishing a test environment for performing a networking operation with the target network device according to the detected test case; Transmitting a message corresponding to a predetermined test case of the test item to the target network device through the established test environment; And if a predetermined message is received from the target network device according to the transmitted message, determining a test result for the networking operation of the test case using the received message.

Hereinafter, in describing the UPnP test apparatus and method thereof, the UPnP test apparatus receives IP address information allocated to each network device during a network registration process and stores IP address information for each network device. Or, it will be described on the premise that the tester recognizes the IP address information allocated to each network device through a predetermined means (for example, an IP server that allocates a fixed IP for each network device).

Accordingly, when the target network device is selected by the tester, the UpnP test device detects the IP address of the corresponding network device to perform UpnP networking with the target network device, or when the target network device is selected by the tester, the target network device from the tester. UpnP networking with target network device is performed by inputting IP address of.

In addition, in the description of the UPnP test apparatus and the method according to the present invention, it is described as being implemented through the UPnP middleware, but this is also merely exemplary, a plurality of networks interconnected by a network communication channel based on IP It will be appreciated by those skilled in the art that various modifications and equivalent embodiments of the present invention are possible as a method of determining whether or not the networking operation is normally performed in various network middlewares that enable networking between devices. Could be.

Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

2 schematically illustrates a UPnP test structure according to an embodiment of the present invention.

As shown in Fig. 2, the UPnP test structure according to the present invention is a plurality of network devices (100: 101, 102, ..., 10n) interconnected by a network communication channel (e.g., IEEE1394, HomePNA, and the Internet). And a test device 300 for testing the networking state of the UPnP middleware to enable networking between the plurality of network devices.

The plurality of network devices 100 are installed with UPnP middleware, and are classified into a control device and a controlled device according to a role determined for UPnP networking.

UPnP test device 300 is a UPnP test tool (UPnP Test Tool) is installed to test whether the UPnP networking is operating normally, while having a function of the controlled device and the control device at the same time, the role in the UpnP networking is avoided The network device 100, which is a control device or a control device, is tested using predetermined test cases selected by the tester.

The test cases can be configured in various ways according to the tester's choice. The test cases consist of various networking processes between network devices according to the UPnP standard specification and result values expected by each networking process.

These predetermined test cases consist of test items for the UpnP test according to the tester's choice.

For example, a test case according to the UPnP standard may include a discovery step of multicasting its own service information in a controlled device and searching for a controlled device and a service in the control device, and a device of the controlled device found in the control device. Or a description step for requesting a description of a service, a control step for sending a command from the control device to the controlled device or requesting status information of the device, and for the control device from the controlled device. It is composed of an eventing step for informing and synchronizing the control device with a change in state by receiving a command.

3 schematically illustrates the structure of a UPnP test apparatus according to an embodiment of the present invention.

As shown in FIG. 3, the UPnP test apparatus 300 includes a network interface unit 310 that processes data transmission / reception through a network communication channel, and all data including input / output data through the network interface unit 310. The data management unit 320 that performs data input / output management, testing the networking state of the UPnP middleware through networking with the target network device 100 through the data management unit 320 and providing the test results to the data management unit 320. The test control unit 330, the input unit 340 for receiving a control command for controlling the operation of the UPnP networking test through the test control unit 330, the UPnP networking test process and test results through the test control unit 330 to the tester It is configured to include a display unit 350 provided through the GUI (Graphic User Interfcae) screen.

In addition, a test result provided through the test case storage unit 360 and the test control unit 330 for storing a plurality of test cases generated through the test control unit 330 according to a control command of the tester input to the input unit 340. The test record storage unit 370 further stores all records for the UPnP networking test including a.

In addition, the data management unit 320 performs data management including input / output of data stored in the test case storage unit 360 and the test record storage unit 370.

The test control unit 330 performs overall operation control for the UPnP networking test. The test control unit 330 generates a predetermined test case according to the control command of the tester input to the input unit 340, and stores the test case storage unit through the data management unit 320. In operation 330, the network device 100 determines a role for networking with the target network device 100 according to the tester's target network device 100 and test case selection, and performs a networking operation with the target network device 100 with the determined role. do.

In addition, when a predetermined message is received from the target network device according to the UPnP networking operation during the networking process with the target network device 100, the test controller 330 compares the received message with the expected result value set in the test case to UPnP. Determine whether networking is operating normally.

For example, assuming that the TCP / IP address of the UPnP test apparatus 300 is '165.213.174.96', a case in which the UPnP networking state is to be tested through the controlled device 101 among the network devices 100 will be described.

First, as shown in FIG. 4, the network interface 310 of the UPnP test apparatus 300 uses a TCP port 5200 to form a protocol structure for networking with the controlled device 101 by networking. Make this possible.

When the networking structure for networking with the controlled device 101 is formed through the above process, the test controller 330 of the UPnP test apparatus 300 serves as a UPnP networking role for networking with the controlled device 101. Select.

Then, the test control unit 330 performs UPnP networking with the controlled device 101 according to the test case selected by the tester, and uses the message received from the controlled device 101 in the controlled device 101. Test whether the UPnP networking operation is working properly.

If the test case selected by the tester is a discovery step, the UPnP test apparatus 300 performs an advertise operation and a search operation according to the UPnP protocol.

The UPnP test apparatus 300 compares the message received from the controlled apparatus 101 with the expected result value set in the corresponding test case in the process of performing the advertising operation and the search operation.

As a result, the UPnP test apparatus 300 determines whether the UPnP networking operation in the controlled device 101 for the test case is normally performed.

For reference, in the UPnP test apparatus according to the exemplary embodiment of the present invention, each module may be configured in hardware, some modules may be configured in software, or the entire module may be configured in software.

Therefore, the configuration of the UPnP test apparatus according to an embodiment of the present invention in hardware or software does not depart from the spirit of the present invention, and modifications and changes as the software and / or hardware are made without departing from the spirit of the present invention. It is obvious that it can be added.

The UPnP test method using the UPnP test apparatus configured as described above will be described in detail with reference to the accompanying drawings.

5 schematically illustrates a UPnP test operation process according to an embodiment of the present invention.

As shown in FIG. 5, first, in the UPnP test apparatus 300, a target network for a UPnP test from a tester through the input unit 340 using a test case registered in advance by input from a tester for testing network middleware. The device 100 and the test case are selected (S1).

According to the target network device 100 selected by the tester, the UPnP test device 300 searches for the IP address of the network device 100 and determines a role for networking with the target network device 100.

Then, a test item is generated using a predetermined test case according to the tester's selection, and the generated test item and test progress information are provided to the tester through the display unit 350 (S2).

In this case, the IP address of the target network device 100 for the UPnP test may be directly input by the tester according to the system environment.

Next, the test control unit 330 of the UPnP test apparatus 300 detects a test case selected by the tester through the data management unit 320 (S3), and according to the test case detected through the network interface unit 310. A test environment such as a transmission message format and necessary protocol setting for performing a networking operation with the target network device 100 is performed (S4).

Next, the UPnP test apparatus 300 transmits a message corresponding to a predetermined test case to the target network apparatus 100 through the network interface 310 according to the test item (S5).

When a predetermined message is received from the target network device 100 according to the transmitted message, the UPnP test device 300 succeeds or fails as a test result for the networking operation of the corresponding test case using the received message. / fail) is determined (S6).

As described above, the test process is performed for each test case constituting the test item, and the test control unit 330 of the UPnP test apparatus 300 collects the UPnP test results according to each test case and stores the test record storage unit 370. Store in

The UPnP test method is largely comprised of a test process for the controlled device 101 and a test process for the control device 102 according to the target network device 100 selected by the tester.

Hereinafter, in describing the UPnP test method according to the present invention, first, a UPnP test process through the controlled device 101 whose target device 101 is the UPnP test target will be described, and the control device 102 will be UPnP. The UPnP test process through the control device 102 to be tested will be described.

In addition, in describing the UpnP test method according to the present invention, network devices such as the controlled device 101, the control device 102, and the UPnP test device 300 are configured through a DHCP or Auto IP technology, which is a discovery protocol. An operation process after an addressing process of assigning an IP address is described.

I. UPnP test process through the controlled device 101

In the UPnP test process through the controlled device 101, a test case determined by the tester after determining a networking role as a control device for networking with the controlled device 101 in the test control unit 330 of the UPnP test device 300. In accordance with this, the networking operation with the controlled device 101 is performed.

Hereinafter, a networking process according to the UPnP test method will be described in order of a discovery step, a discovery step, a control step, and an eventing step, which are test cases according to the UPnP standard.

1. Discovery Step

6 schematically illustrates a discovery step networking process between a controlled device and a test device according to an embodiment of the present invention.

As shown in FIG. 6, first, the controlled device 101 multicasts a notify message advertizing its device and service information to the controlled and controlled devices on the network through the assigned IP address. (Multicast) to inform the service provided through its device (S11).

In addition, the UPnP test apparatus 300 in which the network role (that is, the control apparatus) is determined to enable the operation of the controlled apparatus 101 to receive the advertise provided by multicast is registered as the control target.

At the same time, the UPnP test device 300, which is a control device newly connected to the network, searches for a search message (M-) according to the SSDP technology, which is a search protocol, to identify the controlled devices operating on the network by using the assigned IP address. search discovery message) is multicasted (S12).

In this process, the controlled device 101 receiving the multicast search message from the UPnP test device 300 unicasts a response message to the UPnP test device 300 in response to the received search message. (S13).

When the UPnP test apparatus 300 receives the response message from the controlled apparatus 101 through the operation process according to the discovery step, the controlled apparatus 101 compares the received response message with the response message type set in the test case. It is determined whether or not the discovery step at is operating normally.

2. Discription Step

7 schematically illustrates a description step networking process between a UPnP test device and a controlled device according to an embodiment of the present invention.

As shown in FIG. 7, first, the UPnP test apparatus 300 requests a device description for the controlled device 101 using the IP address of the controlled device 101 (S21).

Accordingly, the controlled device 101 transmits a device description for a root device in the form of an XML file to the UPnP test device 300 (S22).

In addition, the UPnP test apparatus 300 provides a service function of the controlled device 101 to determine whether the service description, which is service information provided through a predetermined device embedded in the controlled device 101, is normally provided. The service description is requested to the controlled device 101 (S23).

Accordingly, the controlled device 101 transmits a service description for service of the controlled device 101 in the form of an XML file to the UPnP test device 300 (S24).

When the UPnP test apparatus 300 receives a device and a service description message from the controlled device 101 through the operation according to the description step, the device and service description message and the device and service description type set in the test case are received. In comparison, it is determined whether or not the description step in the controlled device 101 operates normally.

3.Control Step

8 schematically illustrates a control step networking process between a UPnP test device and a controlled device according to an embodiment of the present invention.

As illustrated in FIG. 8, the UPnP test apparatus 300 sends a command to the controlled apparatus 101 to perform a predetermined service function or refers to a device description and a service description obtained during a description operation. In step S31, an action message for requesting status information is transmitted.

The controlled device 101 receiving the control message executes the required function according to the action message, and transmits the result message to the UPnP test device 300 (S32).

Next, the UPnP test apparatus 300 requests the controlled device 101 to change the query variable that is changed by the action according to the action message (S33), and transmits the variable value transmitted from the controlled device 101. (Variable Value) is received (S34).

When the UPnP test apparatus 300 receives the result message and the variable value message from the controlled device 101 through the operation according to the control step, the received result message and the variable value message and the result message and variable set in the test case. The value message types are compared to determine whether the control step in the controlled device 101 operates normally.

4. Eventing Step

9 schematically illustrates an eventing step networking process between a UPnP test device and a controlled device according to an embodiment of the present invention.

As illustrated in FIG. 9, in the UPnP test apparatus 300, a message for requesting a subscription for confirming an information change state of the controlled apparatus 101 according to an operation performed through a control step is provided. message) is transmitted to the controlled device 101 (S41).

Then, the controlled device 101 transmits the subscription of the requested service according to the subscription request of the UPnP test device 300 (S42).

In addition, the controlled device 101 transmits an initial event message in XML format to the UPnP test device 300 through a generic event notification architecture (GENA) to notify the changed information (S43).

When the event message is received, the UPnP test apparatus 300 updates description information about the controlled device 101 according to the changed information recorded in the event message, and transmits a response signal to the controlled device 101. (S44).

Next, when the subscription of the controlled device 101 is requested again, the UPnP test apparatus 300 transmits a renewal subscription message to the controlled device 101 again (S45). ).

Accordingly, the controlled device 101 transmits the subscription of the service requested by the UPnP test device 300 (S46).

Next, the controlled device 101 transmits an event message in XML format to the UPnP test device 300 through GENA (Generic Event Notification Architecture) to inform the changed information (S47).

In this subscription process, when the UPnP test apparatus 300 no longer needs to transmit the event message of the controlled device 101, a cancellation message requesting to stop transmitting the event message of the controlled device 101 is cancelled. ) Is transmitted to the controlled device 101 (S48).

When a subscription and an event message are received from the controlled device 101 in the UPnP test apparatus 300 through the operation according to the eventing step, the subscription set in the received subscription and event message and the test case And comparing the event message type to determine whether an eventing step in the controlled device 101 operates normally.

II. UPnP test process with control unit 102

The UPnP test process through the control device 102 determines the networking role as the controlled device for networking with the control device 102 in the test control unit 330 of the UPnP test device 300, and then applies the test case to the test case determined by the tester. Accordingly, the networking operation with the control device 102 is performed.

Hereinafter, a networking process according to the UPnP test method will be described in order of a discovery step, a discovery step, a control step, and an eventing step, which are test cases according to the UPnP standard.

1. Discovery Step

10 schematically illustrates a discovery networking process between a UPnP test device and a control device according to an embodiment of the present invention.

As shown in FIG. 10, the UPnP test apparatus 300 in which a network role (that is, a controlled device) is determined to enable operation control of the control device 101 is controlled and controlled on the network through an assigned IP address. Multicasting the advertise (notify message) for informing the devices and services of the devices to inform the devices provided through their devices (S51).

In addition, the control device 102 receives the advertise provided by the multicast and registers it as the control target.

At the same time, the control device 102 newly connected to the network uses the assigned IP address to search for controlled devices operating on the network according to the search protocol SSDP technology, an M-search discovery message. Multicast (S52).

In this process, the UPnP test apparatus 300 that receives the multicast search message from the control device 102 unicasts a response message to the control device 102 in response to the received search message. (S53).

When the search message is received from the control device 102 in the UPnP test apparatus 300 through the operation process according to the discovery step, the controlled device 101 compares the received search message with the srarch message type set in the test case. Determine whether or not the discovery step of the normal operation.

2. Discription Step

11 schematically illustrates a description step networking process between a UPnP test apparatus and a control apparatus according to an embodiment of the present invention.

As shown in FIG. 11, first, the control device 102 requests a device description for a root device using the IP address of the UPnP test device 300 (S61).

Accordingly, the UPnP test apparatus 300 transmits a device description XML (device description Extensible Markup Language) file for the root device to the control device 102 (S62).

In addition, the control device 102 requests the UPnP test device 300 to provide a service description providing a service function of the UPnP test device 300 in order to determine whether the UPnP test device 300 normally provides the service description. (S63).

Accordingly, the UPnP test apparatus 300 transmits a service description XML file for the service of the UPnP test apparatus 300 to the control apparatus 102 (S64).

When the UPnP test apparatus 300 receives the device and service description request message from the control device 102 through the operation according to the description step, the device and service description request set in the received device and service description request message and the test case are received. The message types are compared to determine whether the description step in the control device 102 operates normally.

3.Control Step

12 schematically illustrates a control step networking process between a UPnP test apparatus and a control apparatus according to an embodiment of the present invention.

As shown in FIG. 12, the control device 102 transmits an action message for requesting the UPnP test apparatus 300 to perform a predetermined service function by referring to the device description and the service description obtained in the description operation (S71). ).

In response to the action message, the UPnP test apparatus 300 executes the requested function and transmits the result message to the control device 102 (S72).

Next, the control device 102 requests the UPnP test device 300 to request a query variable that is changed by an operation according to the transmitted action message (S73), and the variable transmitted from the UPnP test device 300. A variable value is received (S74).

When the control message and the query variable request message are received from the control device 102 through the operation process according to the control step, the control message and the query variable request message, the control message set in the test case and The query variable request message types are compared to determine whether the control step in the control device 102 operates normally.

4. Eventing Step

FIG. 13 schematically illustrates an eventing step networking process between a UPnP test device and a control device according to an embodiment of the present invention.

As shown in FIG. 13, the control device 102 requests a subscription to confirm the information change state of the UPnP test device 300 according to an operation performed through the control step. It is transmitted to the UPnP test device 300 (S81).

Then, the UPnP test apparatus 300 transmits the subscription to the control apparatus 102 according to the subscription request of the control apparatus 102 (S82).

In addition, the UPnP test apparatus 300 transmits an event message in XML format to the control apparatus 102 through GENA (Generic Event Notification Architecture) to inform the changed information (S83).

When the event message is received, the control device 102 updates the description information for the UPnP test device 300 according to the changed information recorded in the event message, and transmits a response signal to the UPnP test device 300 ( S84).

Next, when the subscription of the UPnP test device 300 is requested again, the control device 102 transmits a renewal subscription message to the UPnP test device 300 (S85). .

Accordingly, the UPnP test apparatus 300 transmits the subscription of the service requested by the control apparatus 102 (S86).

Next, the UPnP test apparatus 300 transmits an event message in XML format to the control apparatus 102 through GENA (Generic Event Notification Architecture) to notify the changed information (S87).

In this subscription process, when the control device 102 is no longer required to transmit the event message of the UPnP test device 300, a cancellation message (Cancellation) requesting to stop the event message transmission of the UPnP test device 300 is stopped. It is transmitted to the UPnP test device 300 (S88).

When the UPnP test apparatus 300 receives the subscription request and response message from the control device 102 through the operation according to the eventing step, the subscription set in the received subscription request and response message and the test case is received. The option request and response message types are compared to determine whether an eventing step in the control device 102 operates normally.

The UPnP networking test result according to each of these test cases is recorded in the test record storage unit 370 by the test control unit 330 of the UPnP test apparatus 300, whereby the tester can control the UPnP networking on the network. And the UPnP networking in the control device 102 can be checked whether or not.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited to drawing.

According to the present invention made as described above, by testing the UPnP networking of the controlled device and the control device through a variety of test cases according to the networking operation of the UPnP standard, the tester generates a variety of test cases more accurate UPnP test And there is an advantage to increase the efficiency.

Figure 1 schematically shows the overall protocol structure of UPnP.

2 schematically illustrates a UPnP test structure according to an embodiment of the present invention.

3 schematically illustrates the structure of a UPnP test apparatus according to an embodiment of the present invention.

4 schematically illustrates a network protocol structure of a network interface unit according to an embodiment of the present invention.

5 schematically illustrates a UPnP test operation process according to an embodiment of the present invention.

6 schematically illustrates a discovery step networking process between a UPnP test device and a controlled device according to an embodiment of the present invention.

7 schematically illustrates a description step networking process between a UPnP test device and a controlled device according to an embodiment of the present invention.

8 schematically illustrates a control step networking process between a UPnP test device and a controlled device according to an embodiment of the present invention.

9 schematically illustrates an eventing step networking process between a UPnP test device and a controlled device according to an embodiment of the present invention.

10 schematically illustrates a discovery step networking process between a UPnP test apparatus and a control apparatus according to an embodiment of the present invention.

11 schematically illustrates a description step networking process between a UPnP test apparatus and a control apparatus according to an embodiment of the present invention.

12 schematically illustrates a control step networking process between a UPnP test apparatus and a control apparatus according to an embodiment of the present invention.

FIG. 13 schematically illustrates an eventing step networking process between a UPnP test device and a control device according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100 (101, 102,…, 10n): network device

101: control device 102: controlled device

300: UPnP test device 310: network interface unit

320: data management unit 330: test control unit

340: input unit 350: display unit

360: test case storage unit 370: test record storage unit

Claims (10)

In order to test whether the network middleware which enables the networking between a plurality of network devices interconnected by a network communication channel operates normally, the test cases may be selected depending on the tester's choice while having the functions of the controlled device and the control device. UPnP test apparatus, characterized in that for performing networking to the controlled device or the control device by using. The method of claim 1, The test case UPnP test device, characterized in that consisting of a variety of networking process between the network devices in accordance with the standard of the network middleware and the expected value according to each networking process. The method of claim 1, A test case storage unit receiving and storing a plurality of test cases for testing a networking state of the network middleware from a tester, and A test control unit for generating a predetermined test case according to the control command of the tester, determining a role for networking with the target network device according to the test case selection of the tester, and performing a networking operation with the target network device through the determined role; UPnP test apparatus comprising a. The method of claim 3, wherein The test control unit The UPnP test device, characterized in that whether the networking operation according to the test case is normally performed by using a predetermined message received from the target network device during the networking process with the target network device, and collects the determination result. The method of claim 4, wherein Determining whether the networking operation according to the test case is normally performed The UPnP test apparatus according to claim 1, wherein the message received from the target network device is compared with an expected result value preset in the test case, and is determined through a comparison result. The method of claim 3, wherein A network interface unit for processing data transmission / reception over a network communication channel for network middleware testing through the test control unit; A data management unit for processing all data input / output management including data input / output through the network interface unit; A test recorder for storing all records of a test including a test result obtained through a network middleware test at the test controller; An input unit for receiving a control command for a network middleware test through the test controller from a tester; UPnP test apparatus, characterized in that further comprising a display unit for providing a test process to the tester through the GUI screen in the test control unit. Receiving a test case from a tester and registering a test case for testing network middleware that enables networking between a plurality of network devices interconnected through a network communication channel; And And testing whether the network middleware operates normally while performing a networking operation with a specific target network device by using a test case selected according to the tester's selection. The method of claim 7, wherein The test step Receiving a target network device and a test case for network middleware test from the tester; Generating a test item by using the input test case and detecting the test case from a test case storage; Establishing a test environment for performing a networking operation with a target network device according to the detected test case; Transmitting a message corresponding to a predetermined test case of the test item to the target network device through the established test environment; And And if a predetermined message is received from a target network device according to the transmitted message, determining a test result for a networking operation of the test case using the received message. The method of claim 8, And collecting and storing the determined test result in a test record storage unit. The method of claim 8, The test case UPnP test method comprising a variety of networking process between network devices according to the standard of the network middleware and the expected result value according to each networking process.