KR20040107140A - Apparatus and method framing script for protocol test, computer readable recording medium having script frame software stored therein - Google Patents

Abstract

PURPOSE: A protocol testing script construction system and method is provided to enable a user to construct a script for testing a protocol conformance without having knowledge on the TTCN(Tree Tabular Combined Notation)-3 language. CONSTITUTION: The system comprises a storage(110), an icon provider(120), a code recognizer(130), an attribute setter(140), and a script constructor(150). The storage(110) stores a list of icons matched with concepts for a protocol test, the TTCN-3 codes and attribute items matched with the icons. Te icon provider(120) reads the list of icons and offers the icons if a script construction is requested. The code recognizer(130) recognizes the TTCN-3 codes matched with the icons if icons are selected. The attribute setter(140) reads the attribute items from the storage(110) and receives attribute values if an attribute setting is requested. The script constructor(150) constructs a script by using the TTCN-3 codes for each icon and the attribute values.

Description

Apparatus and method framing script for protocol test, computer readable recording medium having script frame software stored therein}

The present invention relates to a script writing device and a method thereof, and more particularly, to a protocol test that enables a user to easily write a script for testing the suitability of a protocol used in a predetermined system without having to learn the TTCN-3 language. And a computer readable recording medium having recorded thereon script writing software.

In general, in order to test the conformance of a protocol used in any system, a user first needs software for testing a protocol installed in his terminal (eg, a PC) (hereinafter referred to as a protocol test program or a protocol tester). Write a script using.

At this time, the protocol tester installed in the user terminal provides a working environment (or script editor) so that the user can write a script for testing the conformance of the protocol.

When the user requests the conformance test of the protocol based on the written script, the protocol tester compiles the written script into an executable form through a separate task and transmits it to the corresponding system and receives the result. Test the protocol of the system through the operation.

Here, an example of the protocol conformance test according to the message transmission and reception between the protocol tester and the system installed in the user terminal is as follows. For example, assuming that the system uses the SIP protocol, the protocol tester (strictly, the SIP protocol tester) sends 'REGISTER' to the system and receives '200 OK' in response to the message. If it is confirmed that the 'Call-Id' of the (eg, REGISTER) and the 'Call-Id' of the received message (ie, 200 OK) match, it is determined to be suitable for the corresponding SIP protocol. On the other hand, if the protocol tester does not receive '200 OK' as the received message or the 'Call-Id' of the transmission message and the received message does not match, it determines that it is not suitable for the SIP protocol.

As described above, existing protocol testers allow users to write scripts using their own language (eg, Inet's ISL). As a result, scripting based on the TTCN-3 programming language, which is recommended for scripting by ETSI and ITU, is not supported. For example, concepts such as 'component', 'alt', and 'sync' provided by the TTCN-3 programming language are not supported.

On the other hand, even if the existing protocol tester supports writing scripts based on the TTCN-3 programming language as well as C, C ++, and Java, the protocol tester provides a working environment that allows users to write scripts directly using the programming language. Doing. As a result, the user must acquire one or more programming languages to write scripts for the desired type of protocol testing.

Accordingly, the present invention has been made to solve the above-described problems, and provides a script writing function based on the TTCN-3 programming language, and also allows the user to conform to the protocol without learning about the TTCN-3 programming language. An object of the present invention is to provide a script writing apparatus and method for protocol testing, and a computer readable recording medium for recording script writing software, which makes it easy to write a script for testing a script.

1 is a schematic configuration diagram of a script writing apparatus for testing a protocol according to the present invention;

2 is an exemplary view of a scripting work environment according to the present invention;

3A to 3G are exemplary views showing icons for creating a script and TTCN-3 codes matching the icons according to the present invention;

4 is a flowchart illustrating a script writing method for protocol testing according to the present invention;

5 is a flowchart illustrating a script editing process in the script creation method for protocol testing according to the present invention.

* Description of the symbols for the main parts of the drawings *

100: script writing device 110: storage unit

120: icon providing unit 130: code recognition unit

140: property setting unit 150: script creation unit

In order to achieve the above object, a method for writing a script for a protocol test according to the present invention includes (a) a list of icons matching concepts for protocol test provided in the TTCN-3 language, and TTCN matching each icon. -3 managing codes and attribute items; (b) providing a list of icons when requested to create a script for protocol testing by a user; (c) if icons for script writing are selected by the user, recognizing TTCN-3 codes matching each selected icon; (d) receiving a property value for each icon item set by providing property items matched with each icon when a property setting for the icons is requested by the user; And (e) creating a script based on the TTCN-3 codes for each icon recognized in step (c) and the property values of the property items for each icon input in step (d).

In addition, a script writing apparatus for testing a protocol according to the present invention for achieving the above object is a list of icons matching the concepts for protocol testing provided by the TTCN-3 language, and TTCN- matching each icon A storage unit for storing 3 codes and attribute items; An icon providing unit which reads a list of icons based on a storage unit and provides them to the user when a script is requested by the user; A code recognizing unit recognizing TTCN-3 codes matching each icon by referring to a storage unit when icons for script writing are selected by a user; When the user is requested to set the properties of the icons, based on the storage unit reads the property items corresponding to each icon and provides, and the property settings to receive the property value for each of the icon-specific property items set by the user part; And a script preparation unit for creating a script based on the TTCN-3 codes for each icon received from the code recognition unit and the attribute values of the attribute items for each icon received from the property setting unit.

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

1 is a schematic diagram of a script writing apparatus for testing a protocol according to the present invention. In this case, the script writing apparatus 100 according to the present invention is installed in a user terminal (for example, a PC) (not shown) and corresponds to some functions of a protocol tester for testing a protocol used in a predetermined system according to a user's request. That is, the script writing apparatus 100 according to the present invention is included in the protocol tester and performs a function of writing a script according to a user's request in the TTCN-3 language (or TTCN-3 programming language). In the present invention, only a system using the SIP protocol will be described a method of writing a script for testing the conformance to the SIP protocol of the system. However, those skilled in the art can write scripts for testing the suitability of other protocols as well as the SIP protocol according to the features of the present invention disclosed below, of course, the scope of the present invention is not limited to the SIP protocol.

Referring to FIG. 1, the script writing apparatus 100 according to the present invention includes a storage unit 110, an icon providing unit 120, a code recognition unit 130, an attribute setting unit 140, and a script creating unit 150. It is configured to include.

The storage unit 110 includes an icon list for icons matching each concept to generate concepts provided by the TTCN-3 language in the TTCN-3 code, TTCN-3 codes and attribute items matching the icons. Save / manage them. In this case, it can be seen that the TTCN-3 code matches each concept provided in the TTCN-3 language. Meanwhile, the attribute items matching the icons correspond to the attribute items of the TTCN-3 code matching the icon. Here, the concepts provided by the TTCN-3 language and icons matched with the concepts are shown in Table 1 below.

Concepts icon Explanation testcast xxx runs on yyy {} orfunction aaa runs on bbb {} node Start SIP Node (MTC, PTC or IUP) SIPP.send send SIP message transfer processing label_xxx alt {} receive SIP Message Reception if (condition) {} check Inspect Parameter of Received SIP Message verdict.set () verdict Determine test results stop stop End of test

The TTCN-3 code matching the 'node' icon is as shown in FIG. 3B. Likewise, each icon is matched to TTCN-3 codes. Meanwhile, 'module', 'group', and 'function' used in the TTCN-3 codes matching the icons are declared in advance for the SIP protocol.

Icon providing unit 120 reads the list of icons from the storage unit 110 when the user requests the creation of a script to test the conformance of the SIP protocol, the user terminal (shows the script working environment including the list of icons) Omit). At this time, Figure 2 is an exemplary view showing a script work environment (A). As shown in FIG. 2, the script work environment A includes an area B1 for displaying an icon (hereinafter referred to as an icon display area) B1, and an area for dragging an icon (hereinafter referred to as an icon). B2). In addition, the script work environment A further provides a help display area B3 and an area B4 which provides various tool boxes necessary for the work (hereinafter referred to as a tool box area).

When the user selects icons for script creation by referring to the icons displayed in the icon display area B1 and drags (or drags) the icons to the icon work area B2, the code recognition unit 130 The controller 110 recognizes TTCN-3 codes matching the icons dragged to the icon work area B2. 3A is an exemplary diagram of an icon dragged to the icon work area B2. 3B is an exemplary diagram of a TTCN-3 code matching an icon dragged to the icon work area B2. That is, when the 'node' icon is dragged to the icon work area B2 as shown in FIG. 3A, the code recognition unit 130 recognizes the TTCN-3 code as shown in FIG. 3B.

Thereafter, the code recognition unit 130 transfers the recognized TTCN-3 code to the script creation unit 150.

Subsequently, when the user requests the property setting for the dragged icon (eg, node), the property setting unit 140 reads out the property items corresponding to the icon from the storage 110 and provides the same to the user. 3C is an exemplary diagram of the property setting screen (C). Then, the user inputs the property values for the property items of the icon on the property setting screen (C) provided as shown in FIG.

Thereafter, the property setting unit 140 receives the property values for the property items of the corresponding icon from the user and transmits the property values to the script creation unit 150.

In addition, as shown in FIG. 3D, when the user drags the next icon (eg, send) and defines an operation sequence between the previously dragged icon (eg, node) and the currently dragged icon (eg, send), The code recognition unit 130 recognizes the TTCN-3 code that matches the currently dragged 'send' icon, derives the operation sequence information between the 'node' icon and the 'send' icon, and the TTCN-3 code and operation sequence information. To pass to the script creation unit 150. Here, the operation sequence information is, for example, the name of the TTCN-3 code matching the icon (eg, node) corresponding to the start of the operation and the TTCN-3 matching the icon (eg, send) corresponding to the end of the operation. It may be expressed as a code name.

Then, the property setting unit 140 provides the property items matching the icon (eg, send) currently dragged according to the property setting request of the user, and receives the property values of the property items of the corresponding icon from the user. Transfer to the script creation unit 150.

As described above, the code recognition unit 130 repeats the processes already mentioned for all the icons dragged by the user to the icon work area B2. Similarly, the property setting unit 140 repeats the processes already mentioned for each icon.

3E is an exemplary diagram of a diagram created based on icons selected by a user for script creation and an operation sequence set between the icons. As shown in FIG. 3E, the user selects icons, sets the operation order among the selected icons, and sets a property value for each property item of each icon to create a diagram for testing the conformance of the SIP protocol. You can write 3F is an exemplary diagram of a diagram created starting from a plurality of nodes in the same icon work area B2. As shown in FIG. 3F, the user may create a script for testing the conformance of the SIP protocol by creating a diagram starting from a plurality of nodes in the same icon work area B2. In addition, the user may of course create a diagram including a plurality of the same icon.

The script writing unit 150 receives a TTCN-3 code matching a predetermined icon (eg, a node) from the code recognizing unit 130, and obtains attribute values of the attribute items matching the icon from the property setting unit 140. I receive it.

In addition, the script creation unit 150 is a TTCN-3 code matching the next icon (for example, send) from the code recognition unit 130, and the TTCN-3 code (ie, 'send' icon matching the TTCN-3) Code) and the operation sequence information set between the previously transmitted TTCN-3 code (that is, the TTCN-3 code matching the 'node' icon), and is transmitted from the property setting unit 140 to the next icon (for example, send). Receives attribute values of matching attribute items.

Similarly, the script writing unit 150 receives the TTCN-3 codes matching the icons and the operation sequence information between the TTCN-3 codes sequentially from the code recognizing unit 130, and the property setting unit 140. The property values of the property items matching the icons are sequentially received from the.

Subsequently, when the diagram storage is requested from the user, the script writing unit 150 stores the diagram (eg, FIG. 3E) created by the user in the storage 110. At this time, the diagram is stored as a file having an extension of '* .dgm', for example.

Meanwhile, when a compile is requested from the user, the script writing unit 150 creates a script based on each piece of information sequentially received from the code recognizing unit 130 and the property setting unit 140.

For example, the script writing unit 150 inserts the attribute values for the attribute items for each icon received as the attribute item values of the TTCN-3 codes for each icon, and receives the corresponding TTCN-3 codes. A script is created by arranging based on the operation sequence information between the TTCN-3 codes. In addition, the script creation unit 150 is disposed on the basis of the operation order information between the received TTCN-3 code for each icon received TTCN-3 code, and received as a property item value of each TTCN-3 code Write a script by inserting the property value for each property item for each icon.

3G is an exemplary diagram of the TTCN-3 codes arranged according to the operation order of the icons. As shown in FIG. 3G, it can be seen that the TTCN-3 code matching the 'send' icon is disposed in the TTCN-3 code matching the 'node' icon of FIG. 3B. Here, 'var REGISTER_Request temp_request_15600' is a code for declaring a message to be sent.

Therefore, the user can create a script by selecting icons using the script creation apparatus 100 according to the present invention, setting the operation order between the icons, and setting the properties of each icon.

On the other hand, the script writing apparatus 100 according to the present invention, when the user is requested to test the protocol for a predetermined system, the script written in the TTCN-3 language in an executable general language (for example, Python, C, Java, etc.) After the conversion, the test is performed using the converted language. Here, the process of converting a script written in the TTCN-3 language into an executable general-purpose language, and the process of testing the protocol of the system is a general process, and a detailed description thereof will be omitted.

Next, the operation of the script creation apparatus 100 when a user requests an edit (eg, change, deletion, addition, etc.) operation for a script already stored will be described.

When the user requests a script that has already been written, the script creation unit 150 reads a diagram corresponding to the requested script based on the storage unit 110 and displays the diagram corresponding to the icon workspace B2 of the script work environment A. FIG. (Ie, FIG. 3E).

Thereafter, when the user changes or deletes a predetermined icon located in the diagram to another icon, or adds a new icon to the diagram, the code recognition unit 130 matches the TTCN matching the icon made by the user. Recognizing the -3 code, the operation sequence information of the recognized TTCN-3 code is derived and transmitted to the script preparation unit 150.

At this time, the script writing unit 150 receives the TTCN-3 code and the operation order information of the TTCN-3 code from the code recognition unit 130, and when a compilation is requested from the user, the script writing unit 150 has already received based on the received operation order information. After determining the location of the TTCN-3 code in the written script, the script is rewritten by processing (eg, changing, deleting, adding, etc.) the TTCN-3 code. Here, when the diagram storage is requested from the user, the script creation unit 150 stores the diagram processed by the user in the storage 110.

On the other hand, when the user requests the property change of a predetermined icon located in the diagram, the property setting unit 140 provides the property items for the icon through the property setting screen (C). In this case, the property values previously set for the property items of the corresponding icon may be provided on the property setting screen (C). When the property values of the property items of the corresponding icon are completed by the user, the property values of the changed property items of the corresponding icon are transmitted to the script creation unit 150.

In addition, the script creation unit 150 receives the changed property values for the property items of the predetermined icon from the property setting unit 140, and when a compilation is requested from the user, the script creation unit 150 is included in the script that is already created based on the received property values. The script is rewritten by changing the attribute item value of the TTCN-3 code matching the icon.

Accordingly, the user may rewrite the script in a desired test form by editing a diagram corresponding to a script already written using the script creation apparatus 100 according to the present invention.

4 is a flowchart illustrating a script writing method for protocol testing according to the present invention. Referring to FIG. 4, first, the script writing apparatus 100 according to the present invention includes a list of icons matching the concepts provided by the TTCN-3 language, and TTCN-3 codes and attributes matching the icons. Store / manage items (s100).

When the user requests the creation of a script to test the suitability of a protocol (eg, SIP protocol) for any system (s102), a scripted workspace that reads the stored icon list and includes the icon list (i.e., in FIG. 2). A) is provided (s104).

At this time, the user refers to the icons displayed in the icon display area (ie, B1 of FIG. 2) of the script work environment A, selects the icons necessary for script creation, and then selects the icons work area of the script work environment (B2 of FIG. 2). To drag and drop).

Then, the script creation apparatus 100 according to the present invention recognizes the TTCN-3 codes matching the icons dragged by the user to the icon work area (B2) (s106).

If the user sets the operation order between the dragged icons, the script creation apparatus 100 according to the present invention derives operation order information between TTCN-3 codes matching the corresponding icons (S108).

Subsequently, when the user requests the property setting for each dragged icon (s110), the property items corresponding to each icon are provided through the property setting screen to input the property values of the property items for each icon set by the user. (S112, s114).

Finally, when a diagram is requested from the user, a diagram (ie, FIG. 3E) created by the user is saved. Then, when compilation is requested from the user, TTCN-3 codes for each icon recognized in step s106 and In step s116, a script is created based on the operation order information between the TTCN-3 codes derived in step S108 and the property values of the property items for each icon input in step s114. At this time, the description of the script creation process s116 is omitted since it is already mentioned when describing the operation of the script creation unit 150 shown in FIG. 1.

5 is a flowchart illustrating a script editing process in the script creation method for protocol testing according to the present invention. First, the script writing apparatus 100 according to the present invention stores / manages a diagram composed of a script created through the processes as described with reference to FIG. 4 and icons corresponding to the TTCN-3 codes constituting the script. (S200).

When the user requests a script that has already been written (s202), a diagram corresponding to the script is provided (s204).

In this case, when a user edits (eg, changes the corresponding icon into another icon, deletes an icon, adds an icon, etc.) among any of the icons included in the diagram (s206), the task is processed by the user. The TTCN-3 code matching the icon is recognized, and the operation sequence information of the TTCN-3 code is derived (s208).

When compilation is requested from the user, the script is rewritten by editing a script that has already been created based on the TTCN-3 code recognized in operation s208 and the operation order information of the corresponding TTCN-3 code (S210).

On the other hand, if the user requests to change the property of the predetermined icon included in the diagram (s212), by providing the property items for the icon through the property setting screen (s214), for the property items of the icon changed by the user Get the property value.

Finally, when compilation is requested from the user, based on the changed property values of the property items of the icon, the property item value of the TTCN-3 code matching the icon among the TTCN-3 codes included in the script that has already been written is determined. Rewrite the script by changing (s216).

On the other hand, the embodiment of the script creation apparatus 100 according to the present invention described above can be written as a program that can be executed on a computer. And, it can be implemented in a general-purpose digital computer for operating the program using a medium used in the computer. The media may be stored such as magnetic storage media (e.g., ROM, floppy disk, hard disk, etc.), optical read media (e.g., CD-ROM, DVD, etc.) and carrier waves (e.g., transmission over the Internet). Media.

The above description is only for explaining one embodiment, and the present invention is not limited to the above-described embodiment and can be variously changed within the scope of the appended claims. For example, the shape and structure of each component specifically shown in the embodiment of the present invention can be modified.

According to the present invention, by providing icons for matching the concepts provided by the TTCN-3 language to the TTCN-3 code, and operating to set the properties for each icon, the user can use the script without learning about the TTCN-3 language. This has the effect of letting you write. That is, the user can create a script of a desired type by selecting icons for script creation and setting properties of the icons.

In addition, the present invention has an effect of allowing the user to easily change the script by providing a diagram corresponding to the script when the pre-written script is changed. In other words, the user may rewrite the previously written script into a desired script form by changing the icons located in the diagram or the property of each icon.

In addition, the present invention has the advantage that it is easy to write a script using the TTCN-3 language in various protocols by changing only the attribute items of icons for each protocol other than the SIP protocol.

Claims (9)

(a) managing a list of icons matching the concepts for protocol testing provided in the TTCN-3 language, and TTCN-3 codes and attribute items matching the icons; (b) providing a list of icons when requested to create a script for protocol testing by a user; (c) if icons for script writing are selected by the user, recognizing TTCN-3 codes matching each selected icon; (d) receiving a property value for each icon item set by providing property items matched with each icon when a property setting for the icons is requested by the user; And (e) creating a script based on the TTCN-3 codes for each icon recognized in step (c) and the property values of the property items for each icon input in step (d). How to write scripts for protocol testing. The method of claim 1, wherein step (e) (e1) deciding the operation sequence information between the icons when the operation order between the icons for script creation is set by the user; (e2) if the diagram is requested to be saved by the user, storing the diagram created according to the operation order between the icons selected in step (c) and the icons in step (e1); (e3) If compilation is requested by the user, based on the operation sequence information derived in step (e1), the TTCN-3 codes for each icon recognized in step (c) are arranged, and then the attributes of the respective TTCN-3 codes. And a step of creating a script by inserting property values of the property items for each icon input in step (d) as the item value. The method of claim 1, wherein step (e) (e1) deciding the operation sequence information between the icons when the operation order between the icons for script creation is set by the user; (e2) if the diagram is requested to be saved by the user, storing the diagram created according to the operation order between the icons selected in step (c) and the icons in step (e1); (e3) When the compilation is requested by the user, after inserting the attribute values of the respective attribute items for each icon input in the step (d) as the attribute item values of the TTCN-3 codes for each icon recognized in the step (c), And creating a script by arranging the TTCN-3 codes according to the operation sequence information between the icons derived in the step (e1). A computer-readable recording medium having recorded thereon software for implementing the method of any one of claims 1 to 3 by an information processing apparatus. A storage unit for storing a list of icons matching the concepts for protocol testing provided by the TTCN-3 language, and TTCN-3 codes and attribute items matching the icons; An icon providing unit which reads a list of icons based on a storage unit and provides them to the user when a script is requested by the user; A code recognizing unit recognizing TTCN-3 codes matching each icon by referring to a storage unit when icons for script writing are selected by a user; When the user is requested to set the properties of the icons, based on the storage unit reads the property items corresponding to each icon and provides, and the property settings to receive the property value for each of the icon-specific property items set by the user part; And Protocol test, characterized in that it comprises a script writing unit for creating a script based on the TTCN-3 code for each icon received from the code recognition unit, and the attribute value of each of the attribute items for each icon received from the property setting unit Script writing device. The method of claim 5, wherein the code recognition unit When the operation order between the icons is set by the user, the script writing device for protocol testing, characterized in that the operation order information between the TTCN-3 codes matching each icon is derived. The method of claim 6, wherein the script creation unit After receiving the TTCN-3 codes for each icon and the operation sequence information between the TTCN-3 codes from the code recognition unit, and receiving the attribute values for the property items for each icon from the property setting unit, the diagram is saved from the user. When the request is made, the apparatus for creating a script for a protocol test, characterized in that for storing in the storage a diagram created based on the icons selected by the user and the operation order set between the icons. The method of claim 7, wherein the script creation unit After storing the diagram according to the user's request, if compilation is requested from the user, the TTCN-3 codes for each icon are arranged based on the operation sequence information, and then the attribute item values of the corresponding TTCN-3 codes are used for each icon. A script writing device for protocol testing, characterized in that a script is created by inserting property values of property items. The method of claim 7, wherein the script creation unit After the diagram is stored according to the user's request, when compilation is requested from the user, the attribute value of each attribute item for each icon is inserted into the attribute item value of the TTCN-3 codes for each icon, and the corresponding TTCN-3 codes are recalled. A script writing device for protocol testing, characterized in that a script is created by arranging based on operation sequence information.