JPH02123858A - Test system for communication program - Google Patents

Abstract

PURPOSE:To test a communication program without using other work station and a line installation by executing the communication control according to a protocol via a test control program between the communication program being a test object and other communication program and testing the communication program being a test object. CONSTITUTION:Each program is started at the test, and communication control according to a protocol is executed via a test control program among one communication program 11 and other communication programs 12, 13 to test one or both the communication programs 12, 13. The test control program 14 detects various requests among the communication programs applying the communication in such a manner and interface control corresponding to the communication opposite party is executed. Thus, versatile confirmation tests for the communication program are conducted without the need of preparing the opposite work station and line installation actually.

Description

[Detailed Description of the Invention] [Summary] This invention relates to a communication program testing method in a work stage engine.

The purpose is to realize a method that allows easy testing of communication programs without using other workstations or line equipment.

In the work stage engine, a communication program to be tested, another communication program for communicating with this communication program to be tested, and a test control program that combines the communication program to be tested and other communication programs at the protocol level. established.

The configuration is configured to start each of the above programs during testing, execute communication control according to the protocol between the communication program to be tested and other communication programs via the test control program, and test the communication program to be tested. did.

[Industrial application field]

The present invention relates to a communication program testing method in a workstation.

The present invention provides a means for testing a communication program using only one workstation.

[Conventional technology]

Conventionally, when testing a communication program for a workstation, a plurality of workstations were prepared, each workstation was connected to a network, and communication was actually executed according to the test contents.

FIG. 1O shows a conventional communication program testing method. A plurality of workstations E through N are connected to a line, and each workstation E through N is loaded with a communication program Pl through PN including a program to be tested. In this case, assume that the communication program P1 is the test target program.

Executes a communication request and data transfer test from workstation 1 specifying any other workstation 2 to N as the destination, or a communication request and data transfer test from each other workstation 2 to N to workstation L. It is.

Based on the results, it was determined whether or not there was an abnormality in the communication program P1.

[Problem to be solved by the invention]

In the conventional method of testing workstation communication programs, it is necessary to prepare multiple workstations, and line equipment is required to actually connect the workstations to the network, resulting in considerable costs and The problem was that it was difficult to test for abnormal cases.

Furthermore, the line was prone to failures, and it took a considerable amount of man-hours to create an environment in which to test the 9 communication programs.

An object of the present invention is to realize a method that allows communication programs to be easily tested without using other workstations or line equipment.

[Means to solve the problem]

The present invention focuses on the fact that there is no need to use an actual network when performing a protocol confirmation test between two communication programs, and accommodates a plurality of communication programs in one workstation.

Furthermore, a test control program is provided that connects each communication program at the protocol level, and during testing, it is possible to execute protocols between communication programs via the test control program.

FIG. 1 shows the basic configuration of the present invention.

10 is a workstation for conducting tests.

11 is a communication program PI to be tested.

12.13 is another communication program P used for testing.
2~PN.

14 is a test control program.

Reference numeral 15 denotes a correspondence management table for managing the other party of each communication program that performs one communication.

16 is a communication resource acquisition processing function.

17 is a connection establishment processing function.

18 is a data transmission processing function.

19 is a data reception processing function.

11a, 12a, and 13a are transmission buffers.

11b, 12b, and 13b are reception buffers.

[Effect]

In FIG. 1, nine communication programs P1 on the workstation 10 or other communication programs P1 at the same time.
When testing one of the communication programs P1 and P2 to PN, the protocol is executed by considering one of the communication programs P1 and the other communication programs P2 to PN as virtual communication terminal stations. Of course, depending on the conditions.

It is also possible to conduct a test in which any of the other communication programs P2 to PN are set to a receiving state and a communication request is made from the nine communication programs P1. In the test, specify any communication program and make a communication request.
to start.

Each communication program P1 to PN that received a communication request,
Communication resource acquisition request and connection establishment request according to the protocol. Data transmission request.

Issue data reception requests, etc.

The test control program 14 includes a corresponding communication resource acquisition processing function 16. for responding to and processing these requests.
Connection establishment processing function 17゜Data transmission processing function 1
8. It has a data reception processing function 19.

When the communication resource acquisition processing function 16 accepts the second communication resource acquisition request, it searches for an empty area in the correspondence management table 15 and registers the communication program that issued the request.

When the connection establishment processing function 17 accepts the connection establishment request, it waits for the connection establishment request to be issued from the other party's communication program, and then registers the other party's communication program in the correspondence management table 15.

Upon receiving the data transmission request, the data transmission processing function 18 searches for the communication partner from the correspondence management table 15, and
2 from the sending buffer of the communication program that issued this request.
Copy the data to the receive buffer of the communication program of the communication partner.

After accepting the data reception request, the data reception processing function 19 waits for a data transmission request from the communication partner and transfers the data from the transmission buffer of the communication program of the communication partner to the reception buffer of the communication program that issued the data reception request. Confirm that it is copied.

In this way, the test control program detects various requests (commands) between the communicating programs and executes the corresponding interface control between the two communicating parties. Therefore, there is no need to actually prepare a partner workstation or line equipment.

A variety of confirmation tests can be performed on communication program protocols.

〔Example〕

Details of the basic configuration of the present invention shown in FIG.

This will be explained below using examples.

FIG. 2 shows an example configuration of the correspondence management table 15 shown in FIG. 1, in which each row includes a field 20 for registering a communication program that has issued a communication resource acquisition request, and a communication status indicating a communication status such as normal/abnormal. It has a display field 21 and a communication partner registration field 22 for registering the communication partner specified in the connection establishment request.

Figure 7, not Figure 3, is the test control program 1 in Figure 1.
4 shows a flow of processing during operation of an embodiment of each function provided in 4.

FIG. 3 is a flowchart of 2 communication resource acquisition processing.

When there is a communication resource acquisition request, the response management table (Second
(see figure), and if there is free space, register the requesting communication program in the communication program registration field 20, return to normal and exit, and if there is no free space in the table, return to abnormality. .

FIG. 4 shows the flow of connection establishment processing. When a connection establishment request is made, a connection establishment request flag (separately provided 1 not shown) is set to ON, and a connection establishment request is issued from the communication partner. Check to see if there are any.

If it does not appear, wait, and if it does, set a connection with the other party's communication program on the correspondence management table.

finish.

FIG. 5 shows the flow of data transmission processing. When there is a data transmission request, the communication program of the communication partner is searched from the correspondence management table, and the transmission buffer of the communication program of the request source (lla to 13a in FIG. 1) to the receiving buffer (one of llb to 13b in FIG. 1) of the other party's communication program, and the process ends.

FIG. 6 shows the flow of data reception processing. When a data reception request is made, it is checked whether copying has been performed from the transmission buffer of the other party's communication program to the reception buffer of the requesting communication program.

If copying is not in progress, wait and exit when copying is complete.

FIG. 7 shows a flow of processing common to each request process when testing an abnormal case. An abnormal value is appropriately set in the communication status display field of the response management table in advance, and when a processing request is made.

The communication status display field of the requesting communication program in the corresponding pipe-to-ring table is searched, and if the display is normal, normal processing is performed, and if the display is abnormal, the communication state is terminated abnormally.

FIG. 8 shows a flowchart of an example of test processing by the test control program according to the embodiment of the present invention. ■ or [phase] in the figure is the number of the procedure.

■ Accept and accept communication resource acquisition requests using the communication program P1.

■ Search for free space in the correspondence management table and register the communication program P1.

■ Notify the communication program P1 of the completion of processing.

■ Accepts and accepts communication resource acquisition requests from the communication program P2.

■ Search for free space in the correspondence management table and register one communication program P2.

■ Notify the communication program P2 of the completion of processing.

■ Accepts and accepts connection establishment requests from communication program P1.

■ Accepts and accepts connection establishment requests from communication program P2.

(2) Register the correspondence between the communication program P1 and the communication program P2 in the correspondence management table.

[Phase] Notify communication program P1 and communication program P2 of completion of processing.

■ Accepts and accepts data reception requests from the communication program PL.

@Receives and accepts data transmission requests from communication program P2.

◎ Search each communication partner from the correspondence management table.

[Phase] Copy data from the transmission buffer 12a of the communication program P2 to the reception buffer llb of the communication program Pl.

(2) Notify communication program P1 and communication program P2 of completion of processing.

Next, an example of test processing during abnormal case simulation will be explained with reference to FIG.

■ Use the 'command to set a value indicating an abnormality in the communication status display field of the correspondence management table.

■'Receive and accept processing requests from the communication program.

■′Search the correspondence management table.

(2) The processing request is abnormally completed because the communication state of the communication program that issued the processing request is abnormal.

〔Effect of the invention〕

According to the present invention, the following effects can be obtained.

(1) Since communication programs can be tested with only one workstation, costs can be reduced.

(2) Costs can be reduced because line equipment is not required.

(3) Testing can be performed immediately without worrying about line troubles, reducing man-hours.

(4) Since the interface between the actual network and the communication program is the same as the interface between the test control program and the communication program in the present invention, it is possible to reduce the occurrence of trouble when the actual network is used later.

(5) Tests for abnormal cases can be easily performed.

[Brief explanation of drawings]

FIG. 1 is a diagram showing the basic configuration of the present invention, FIG. 2 is an explanatory diagram of an embodiment of a correspondence management table, FIG. 3 is a flow diagram of communication resource acquisition processing, FIG. 4 is a flow diagram of connection establishment processing, and FIG. Figure 5 is a flow diagram of data transmission processing, Figure 6 is a flow diagram of data reception processing, Figure 7 is a flow diagram of processing common to each request processing at the time of abnormal case simulation rate, and Figure 8 is an embodiment of the present invention. FIG. 9 is a flow diagram of an example of test processing when an abnormal case is simulated, and FIG. 10 is an explanatory diagram of a conventional communication program test method. In Figure 1. 0: Workstations 1 to 13: Communication programs P1 to PN 4: Test control program 5: Correspondence management table

Claims (1)

[Claims] In the workstation (10), one communication program (11) and this one communication program (11
) and other communication programs (12, 13) for communicating with
and a test control program (14) that combines the one communication program (11) and other communication programs (12, 13) at the protocol level, starts each of the above programs at the time of testing, and executes the one communication program (14). 11) and other communication programs (12, 13), execute communication control according to the protocol via the test control program (14), and one or both of the above communication programs (12, 13) A communication program testing method characterized by testing.