CN116561014A - Device and method for generating test case of electric power secondary equipment - Google Patents
Device and method for generating test case of electric power secondary equipment Download PDFInfo
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- CN116561014A CN116561014A CN202310826419.1A CN202310826419A CN116561014A CN 116561014 A CN116561014 A CN 116561014A CN 202310826419 A CN202310826419 A CN 202310826419A CN 116561014 A CN116561014 A CN 116561014A
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- 238000012360 testing method Methods 0.000 title claims abstract description 167
- 238000000034 method Methods 0.000 title claims description 15
- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000013075 data extraction Methods 0.000 claims abstract description 8
- 238000010998 test method Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
- G06F11/3668—Software testing
- G06F11/3672—Test management
- G06F11/3684—Test management for test design, e.g. generating new test cases
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Abstract
The invention discloses a generating device and a testing method of a test case of electric power secondary equipment, wherein the generating device of the test case comprises a data extraction unit, a data extraction unit and a data processing unit, wherein the data extraction unit is used for extracting information objects of a tester, equipment to be tested and a communication client; the interface table generating unit is used for generating an interface table according to the information objects of the tester, the equipment to be tested and the communication client, creating a custom variable in the interface table according to the test requirement, and setting corresponding unique identifiers for the information objects and the custom variable; the test command sequence editing unit is used for editing based on the interface table and comprises a plurality of groups of commands and parameters thereof which are executed according to a certain time sequence, wherein the commands and parameters of the test command sequence refer to characteristic data of information objects in the interface table through unique identifiers based on test requirements. The invention replaces the specific field of the characteristic data under the condition of keeping the unique identifier of the interface table information object unchanged, realizes the multiplexing of the test cases, and improves the efficiency of editing, debugging and maintaining the cases.
Description
Technical Field
The invention relates to an automatic test technology of electric power secondary equipment, in particular to a device and a method for generating test cases of electric power secondary equipment.
Background
In order to ensure the quality of the electric secondary equipment, the automatic test technology is widely applied to equipment research and development test, production debugging and third party mechanism detection, and the editing and automatic execution of test cases are realized. In order to improve the test case multiplexing degree, related manufacturers and research institutions propose various test case templating and instantiation methods. Chinese patent CN20141045646.9 proposes an instantiation method of an object-oriented relay protection test case template, wherein a protection function test with the same test method is abstracted into a test case template according to the implementation principle of a tested device, a data interface and a batch enumeration interface are opened by the template, and the interface is an external access data variable; then respectively establishing a mapping relation between a data interface and a batch enumeration interface of the test case template and the protection element information of a specific tested object; and finally, instantiating a test case template according to the mapping relation to generate a specific test case instance. However, this invention has the following disadvantages: firstly, how a test case template opens a data interface and a connection between data and the template is not described; secondly, the problem that the template cannot be executed and debugged because the test case template does not contain specific tested object information exists. The Chinese patent CN201910852978.3 discloses an automatic detection method, a server and a system for secondary equipment of a transformer substation based on a universal interface template, wherein a control interface and a template file standard suitable for various testers are firstly established, the control interface is described by using the template file, then all brands of testers are required to provide the control interface and the template file which meet the standard, and finally a COM access interface of which the universal control interface of the testers is C++ language is defined. However, the invention uses the standard to set out the mandatory requirement for the tester manufacturers, the tester which does not meet the standard cannot use the method of the invention, if the standard is not national standard or industry standard has no constraint, the implementation effect of the method is seriously affected, and the editing and debugging efficiency is low.
Therefore, the test case template and the instantiation method still have the problems of complex editing, difficult debugging and large workload of later upgrading and maintenance of the test case template, and restrict the development of automatic test technology.
Disclosure of Invention
The invention aims to: the invention aims to provide a device and a method for generating a test case of power secondary equipment, which realize case multiplexing and improve case editing, debugging and later maintenance efficiency on the basis of not modifying test command sequence parameters.
The technical scheme is as follows: the invention relates to a generating device of a test case of electric power secondary equipment, which comprises a data extraction unit, a data processing unit and a data processing unit, wherein the data extraction unit is used for extracting information objects of a tester, equipment to be tested and a communication client;
the interface table generating unit is used for generating an interface table according to the information objects of the tester, the equipment to be tested and the communication client, creating a custom variable in the interface table according to the test requirement, and setting corresponding unique identifiers for the information objects and the custom variable;
the test command sequence editing unit is used for editing based on the interface table and comprises a plurality of groups of commands and parameters thereof which are executed according to a certain time sequence, wherein the commands and parameters of the test command sequence refer to characteristic data of information objects in the interface table through unique identifiers based on test requirements.
Preferably, the unique identifier is automatically assigned by the test case interface, and the unique identifier for each information object and variable remains unique and unchanged across the current test case.
Preferably, the characteristic data of the custom variables are input by a test engineer, and the characteristic data of the information objects of the tester, the communication client and the device under test come from description files thereof.
Preferably, the characteristic data fields of the information objects of the tester, the device to be tested and the communication client are different and at least comprise one of numerical value or control number and description; the characteristic data of the custom variable at least comprises description and numerical values.
Preferably, the characteristic data of the information objects and the custom variables of the tester, the device under test and the communication client also comprise minimum values, maximum values, step sizes and/or units.
Preferably, the control number of the information object is an identification number required by the remote control tester, the communication client and the device under test, and is determined by the tester and the device under test.
The invention discloses a test method of a test case of electric power secondary equipment, which comprises the following steps:
(1) Importing information of equipment to be tested and a tester, generating an information object interface table, and automatically creating a unique identifier for each information object;
(2) Customizing variable information and automatically creating a unique identifier for each variable;
(3) Writing a test command sequence and setting command parameters by using the information object interface table, and referencing corresponding characteristic data of the information objects in the interface table by the command sequence and the parameters thereof through the unique identifier;
(4) Running a test command sequence, acquiring the current value of the characteristic data of the information object according to the reference relation of the unique identifier, and generating executable control parameters of the tester and the equipment to be tested;
(5) Repeating the steps (3) - (4) to debug the test command sequence and the parameters thereof so as to enable the test command sequence to meet the test requirements, and archiving the test cases meeting the test requirements;
(6) When the archived test cases are used for testing new equipment, under the condition that the unique identifiers of the interface table information objects of the test cases are kept unchanged, the characteristic data in the interface table are replaced with the corresponding characteristic data of the new equipment;
(7) And running a test command sequence, acquiring new characteristic data of the information object according to the unique identifier reference relation, calculating and generating new test parameters, and generating control parameters which can be identified by the new tester or the new equipment to be tested.
Preferably, the test command sequence and the test parameter display page are updated according to the unique identifier reference relationship before running the test command sequence in step (7).
Preferably, in step (4), the executable control parameters are calculated to be generated based on the specific fields of the information object data characteristics referenced by the unique identifiers for the purpose of the test.
Preferably, for visual display, the test command sequence parameters refer to the description, maximum, minimum and step sizes of the information object by unique identifiers; when the method is used for parameter calculation, the test command sequence parameters refer to the numerical values of the information objects through the unique identifiers; for remote control, the test command sequence parameter references the control number of the information object by a unique identifier.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages: the unique identifiers are automatically distributed when the tester and the device object to be tested are imported, so that the complex work of customizing various identifiers in the traditional test case template is reduced; the test case has the instance information of the tester and the equipment to be tested, can be directly executed, and solves the problem of inconvenient debugging of the traditional case template; the test command sequence is not changed, the test command sequence parameters reference fields such as information object description, numerical value and control number as required, and the test command sequence parameters can be used for new equipment test by replacing specific fields of the characteristic data corresponding to the equipment to be tested or the tester, so that the usability of an automatic test case editing function is improved, the test case multiplexing degree is greatly improved, and the test case editing efficiency is improved; the test case interface table contains tester information objects, and realizes that one set of test cases supports testers of different manufacturers.
Drawings
FIG. 1 is a schematic diagram of a test case structure of a secondary power device according to the present invention;
FIG. 2 is a schematic diagram of a test case interface table of the present invention replacing an information object of a device under test;
FIG. 3 is a flow chart of the power secondary equipment test of the present invention;
FIG. 4 is a diagram showing a configuration of an interface table of an information object of a tester according to an embodiment of the present invention;
FIG. 5 is a diagram showing a configuration of an interface table of an information object of a device under test according to an embodiment of the present invention;
FIG. 6 is a diagram of a telemetry message versus command parameter configuration referencing a device under test information object in accordance with an embodiment of the present invention;
FIG. 7 is a diagram showing an alternative information object of a device under test according to an embodiment of the present invention;
fig. 8 is a diagram of telemetry message comparison command parameters after replacing a device under test in an embodiment of the invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
The invention relates to a generating device of a test case of electric power secondary equipment, which comprises a data extraction unit, a data processing unit and a data processing unit, wherein the data extraction unit is used for extracting information objects of a tester, equipment to be tested and a communication client; the interface table generating unit is used for generating an interface table according to the information objects of the tester, the equipment to be tested and the communication client, creating a custom variable in the interface table according to the test requirement, and setting corresponding unique identifiers for the information objects and the custom variable; the test command sequence editing unit is configured to edit the interface table, and includes a plurality of groups of commands and parameters thereof executed according to a certain time sequence, where the commands and parameters of the test command sequence refer to feature data of information objects in the interface table through unique identifiers based on test requirements, as shown in fig. 1.
The interface table comprises a custom variable, a tester information object, a communication client information object and a device to be tested information object, wherein the custom variable, the tester information object, the communication client information object and the device to be tested information object are provided with unique identifiers corresponding to the variable or the information object. When the variables are defined or imported into the tester, the communication client and the device under test, the information object is automatically created and automatically assigned a unique identifier which remains unique and cannot be changed within the scope of the current test case.
According to the requirements, the characteristic data fields of the tester information object, the communication client information object and the equipment information object to be tested are different and at least comprise one of numerical values or control numbers and description; the characteristic data of the custom variable at least comprises description and numerical value. The information objects of the tester, the device under test and the communication client and the characteristic data of the custom variable can also comprise optional fields such as minimum value, maximum value, step length and/or unit.
In this embodiment, the custom variable includes a unique identifier for type, description, value, and automatic assignment; the tester information object data comprises the type, description, control number and automatically allocated unique identifier of the information object, and the type of the tester information object comprises a tester command object and a tester channel object; the communication client information object comprises the type, description, control number and automatically allocated unique identifier of the information object, and the type of the communication client information object comprises a communication command object; the information object of the equipment to be tested comprises characteristic data fields such as the type, description, control number, numerical value, maximum value, minimum value and the like of the information object and a unique identifier which is automatically allocated; the type of the device under test information object includes a table of communication points.
The characteristic data of the custom variable is input by a test engineer, and the characteristic data of the tester, the communication client and the equipment to be tested come from description files thereof, wherein the control number of the information object is an identification number required by the remote control tester, the communication client and the equipment to be tested, and is determined by the specific tester and the equipment.
The test command sequence includes several sets of sequences, each set of sequences including one or more commands, the combination of the sequences of commands being determined by the test requirements of the device under test. The command and command parameters are referenced by unique identifiers without directly using the characteristic data of the information object. The test case editing page refers to the characteristic data of the information object such as description, maximum value, minimum value, step length and the like through the unique identifier, and the test parameter input box refers to the characteristic data field of the information object through the unique identifier.
When the test case is executed, the current value of the characteristic data of the information object is obtained through the unique identifier reference relation according to different test purposes, and executable control parameters are calculated and generated. For example, for visual display, the test command sequence parameters refer to the description, maximum, minimum, step size, etc. of the information object by a unique identifier; when the method is used for parameter calculation, the test command sequence parameters refer to the numerical values of the information objects through the unique identifiers; for remote control, the test command sequence parameter references the control number of the information object by a unique identifier.
The test case can replace specific fields of characteristic data under the condition that the interface table information object identifier is unchanged, can use a test command sequence for other equipment to be tested or testers, and realizes test case multiplexing, as shown in fig. 2.
As shown in fig. 3, the test method for the test case of the electric power secondary equipment according to the invention comprises the following steps:
(1) Importing information of equipment to be tested and a tester, generating an information object interface table, and automatically creating a unique identifier for each information object;
(2) The variable information such as the transformation ratio, the telemetry precision and the like is customized, and a unique identifier is automatically created for each variable;
(3) Writing a test command sequence and setting command parameters by using the information object interface table, and referencing corresponding characteristic data of the information objects in the interface table by the command sequence and the parameters thereof through the unique identifier;
(4) Operating a test command sequence, acquiring the current value of the characteristic data of the information object according to the reference relation of the unique identifier when operating the test command, and generating identifiable control parameters of the tester and the equipment to be tested;
(5) Repeating the steps (3) - (4) to debug the test command sequence and the parameters thereof so as to enable the test command sequence to meet the test requirements, and archiving the test cases meeting the test requirements;
(6) When the archived test cases are used for testing new equipment, the characteristic data of the new equipment are replaced with the corresponding characteristic data of the new equipment under the condition that the unique identifiers of the interface table information objects of the test cases are kept unchanged;
(7) Updating the test command sequence and the test parameter display page according to the unique identifier reference relation;
(8) And running a test command sequence, acquiring new characteristic data of the information object according to the unique identifier reference relation, calculating and generating new test parameters, and generating control parameters which can be identified by the new tester or the new equipment to be tested.
The invention generates the information object interface table by importing the equipment to be tested and the tester object, and automatically distributes a unique identifier for each information object. When writing a test command sequence, the unique identifier is used to reference the characteristic data of the information object.
When the test command sequence is executed, the current value of the characteristic data of the information object is obtained through the reference relation to generate executable parameters, so that the tester and the equipment to be tested are controlled. Under the condition that the unique identifier of the interface table information object and the test command sequence are kept unchanged, the information object characteristic data is replaced by other tester or equipment to be tested information, and the test case can be used for the tester or equipment to be tested. The invention decouples the test command sequence with the specific tester and the equipment to be tested through the unique identifier, solves the problems that the pure abstract case template cannot be reused among different testers, cannot be executed and is difficult to debug, and the like, does not need a test engineer to maintain the unique identifier, greatly improves the reusability of the test case and improves the test efficiency of the electric secondary equipment.
In order to further explain the test method of the test case of the invention, a line protection measurement and control device of 35kV and below is taken as an example. The device has multiple functions, large user demand change and heavy version test task. In this embodiment, the interface table includes a tester channel information object configuration table and a device under test message information object configuration table, which are shown in fig. 4 and 5, respectively, in order to facilitate use of the device under test, the message information object is divided into a plurality of sub-tables, as shown in fig. 6, and the telemetry message comparison command parameters refer to the telemetry information object of the device under test, where the description, the INSTID (control number) and the data type of the information object are referred to by unique identifiers. The original NSR-3611A-G V version 2.0 device under test is replaced with NSR-3611A-G V version 3.0 with the unique identifier unchanged, as shown in FIG. 7; the command parameters for comparing the telemetry message after replacement are shown in fig. 8, and the description and INSTID are changed into the telemetry message information of the device to be tested in the V3.0 version. By using the invention, the device information of the previous version is replaced by the current version, so that the unchanged function can be rapidly tested, and the testing efficiency is remarkably improved.
Claims (10)
1. The utility model provides a generating device of electric power secondary equipment test case which characterized in that includes:
the data extraction unit is used for extracting information objects of the tester, the equipment to be tested and the communication client;
the interface table generating unit is used for generating an interface table according to the information objects of the tester, the equipment to be tested and the communication client, creating a custom variable in the interface table according to the test requirement, and setting corresponding unique identifiers for the information objects and the custom variable;
the test command sequence editing unit is used for editing based on the interface table and comprises a plurality of groups of commands and parameters thereof which are executed according to a certain time sequence, wherein the commands and parameters of the test command sequence refer to characteristic data of information objects in the interface table through unique identifiers based on test requirements.
2. The device for generating test cases for power secondary equipment according to claim 1, wherein the unique identifier is automatically allocated by a test case interface, and the unique identifier of each information object and variable remains unique and unchanged in the scope of the current test case.
3. The device for generating test cases of secondary power equipment according to claim 1, wherein the characteristic data of the custom variables are input by a test engineer, and the characteristic data of the information objects of the tester, the communication client and the equipment to be tested are from description files thereof.
4. The device for generating test cases of secondary power equipment according to claim 1, wherein the characteristic data fields of the information objects of the tester, the device to be tested and the communication client are different and at least comprise one of a numerical value or a control number and a description; the characteristic data of the custom variable at least comprises description and numerical values.
5. The device for generating test cases of secondary power equipment according to claim 4, wherein the feature data of the information objects and the custom variables of the tester, the device under test and the communication client further comprises a minimum value, a maximum value, a step size and/or a unit.
6. The apparatus for generating test cases for secondary power equipment according to claim 4, wherein the control number of the information object is an identification number required for remotely controlling the tester, the communication client and the equipment to be tested, and is determined by the tester and the equipment to be tested.
7. A test method based on the test case of the electric power secondary equipment according to any one of claims 1 to 6, comprising the following steps:
(1) Importing information of equipment to be tested and a tester, generating an information object interface table, and automatically creating a unique identifier for each information object;
(2) Customizing variable information and automatically creating a unique identifier for each variable;
(3) Writing a test command sequence and setting command parameters by using the information object interface table, and referencing corresponding characteristic data of the information objects in the interface table by the command sequence and the parameters thereof through the unique identifier;
(4) Running a test command sequence, acquiring the current value of the characteristic data of the information object according to the reference relation of the unique identifier, and generating executable control parameters of the tester and the equipment to be tested;
(5) Repeating the steps (3) - (4) to debug the test command sequence and parameters thereof, and archiving the test cases after meeting the test requirements;
(6) When the archived test cases are used for testing new equipment, under the condition that the unique identifiers of the interface table information objects of the test cases are kept unchanged, the characteristic data in the interface table are replaced with the corresponding characteristic data of the new equipment;
(7) And running a test command sequence, acquiring new information object characteristic data according to the unique identifier reference relation, calculating and generating new test parameters, and generating control parameters which can be identified by a new tester or a new device to be tested.
8. The method of claim 7, wherein the test command sequence and the test parameter display page are updated according to unique identifier references before the test command sequence is run in step (7).
9. The method according to claim 7, wherein in step (4), the executable control parameters are calculated and generated by referring to specific fields of the data characteristics of the information object by the unique identifier according to the purpose of the test.
10. The method of claim 9, wherein the test command sequence parameters refer to the description, maximum, minimum and step size of the information object by unique identifier when used for visual display; when the method is used for parameter calculation, the test command sequence parameters refer to the numerical values of the information objects through the unique identifiers; for remote control, the test command sequence parameter references the control number of the information object by a unique identifier.
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