CN110687889A - New energy micro-grid system automatic testing method based on loadrunner - Google Patents
New energy micro-grid system automatic testing method based on loadrunner Download PDFInfo
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- CN110687889A CN110687889A CN201910941187.8A CN201910941187A CN110687889A CN 110687889 A CN110687889 A CN 110687889A CN 201910941187 A CN201910941187 A CN 201910941187A CN 110687889 A CN110687889 A CN 110687889A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0243—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
Abstract
The invention relates to the technical field of energy testing, in particular to an automatic testing method of a new energy microgrid system based on loadrunner, which is characterized by comprising the following steps: the method adopts a loadrunner test tool, uses windows sockets protocol to compile scripts, analyzes messages sent by a system server, and tests according to the content of the messages. The invention realizes the test of the standard conformity, the strategy conformity, the function and the performance of the interface of the multifunctional new energy microgrid system by using the stability performance test tool.
Description
Technical Field
The invention relates to the technical field of energy testing, in particular to a new energy microgrid system automatic testing method based on loadrunner.
Background
With the rapid development and wide application of distributed power generation and supply technology, energy system monitoring, control and management technology and new energy trading modes, the multifunctional new energy microgrid system has been widely applied. In order to ensure the operation quality of a microgrid, a company needs to adopt a reliable testing technology to evaluate whether the functions and the performances of a multifunctional new energy microgrid system meet the market requirements or not in the process of developing the multifunctional new energy microgrid system, but is limited to the functional specificity of the multifunctional new energy microgrid system, a power distribution instrument, a photovoltaic inverter, an energy storage controller, a charging pile or other energy intelligent equipment needs to be accessed, the protocol is various, the testing is complex, the regression testing consumes too long time, the ordinary black box testing is adopted, although the testing threshold is low, the system development cycle can be seriously influenced, the price of the actual testing environment is high, and the cost is hard to bear.
The traditional function testing tool can only record an http protocol, a simulation user clicks a button on a client interface to perform automatic function testing, but the test bottleneck of the multifunctional new energy microgrid system lies in simulation of access equipment and concurrent testing of the access equipment, and cannot be realized by the traditional automatic function testing tool.
In view of this, in order to overcome the technical defects, an automatic testing method for a new energy microgrid system based on loadrunner is provided, which is a problem to be solved in the field.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automatic testing method of a new energy microgrid system based on loadrunner, and the testing of the standard conformity, the strategy conformity, the functions and the performance of the multifunctional new energy microgrid system interface is realized by using a stability performance testing tool.
In order to solve the technical problems, the technical scheme of the invention is as follows: the automatic testing method of the new energy microgrid system based on the loadrunner is characterized in that a loadrunner testing tool is adopted, a script is compiled by using a windows documents protocol, a message sent by a system server is analyzed, and testing is carried out according to the content of the message, and the method specifically comprises the following steps:
s1, compiling a script by using loadrunner Vgen, and simulating the message request and message receiving functions of the energy equipment according to the message content;
s2, arranging a virtual test scene by using a LoadRunner Controller, simulating the type and the number of actual intelligent equipment, and running for a period of time under the virtual scene to test whether the execution condition of functions or services and the corresponding time are stable and have no fluctuation;
s3, analyzing the test result by LoadRunner Analysis to obtain the message transmitting and receiving capability.
According to the technical scheme, the simulation energy equipment comprises the simulation of a power distribution instrument, a photovoltaic inverter, an energy storage controller, a charging pile or other energy intelligent equipment.
According to the technical scheme, the virtual test scene simulates the scene time of the intelligent equipment operation to be more than 24 h.
According to the technical scheme, the test function comprises the following steps: and compiling test functions to respectively realize the test of distribution data uploading, photovoltaic data uploading, energy storage device data uploading, charging pile data uploading and equipment alarm state uploading.
According to the technical scheme, the parameters of the test function adopt dynamic parameters, and the processing of the system on the boundary value can be tested.
According to the technical scheme, a function of handshaking between the energy equipment and the system server is placed in an initialization function vuser _ init () for calling; the set of device handle server instructions and data is called in execute function action ().
According to the technical scheme, the range setting of the dynamic parameters needs to include the parameter range in the test function requirement and is larger than the parameter range in the test function requirement.
According to the technical scheme, the dynamic parameters also cover abnormal values including negative numbers and letters, and the test system processes the abnormal parameters.
According to the technical scheme, the test success standard comprises the following steps:
the uploading of power distribution data, photovoltaic data, energy storage device data, charging pile data and alarm states can be completed, and the data are correctly displayed in the form of numbers, curves, pie charts and bar charts;
data processing can be completed according to the data sent, curves, maximum values, minimum values and the like of coordinates are correctly displayed by taking time as coordinates, and the functions of load prediction and photovoltaic power generation amount prediction are completed;
filling a historical database with the simulated data of the loadrunner, wherein the historical database comprises equipment data, alarm data and system operation data, and the historical data of the microgrid can be comprehensively inquired according to time conditions, type conditions, equipment, regions and the like;
the control test of the equipment is completed, and the electric switching on and off, the photovoltaic grid-connected and off-grid control, the energy storage battery charging and discharging control and the charging and discharging control of the charging pile are correctly completed according to the simulation remote control data fed back by the loadrunner;
and the performance test of the system is completed, and the load machine cannot add more virtual user equipment.
Compared with the prior art, the invention has the beneficial characteristics that: the stability performance testing tool is used for testing the conformity of the interface standard, the conformity of the strategy, the functions and the performance of the multifunctional new energy microgrid system, and the problems that the multifunctional new energy microgrid system is complex in testing, high in cost and free of an automatic function testing tool are solved.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Many aspects of the invention are better understood with reference to the following drawings. The components in the drawings are not necessarily to scale. Instead, emphasis is placed upon clearly illustrating the components of the present invention. Moreover, in the several views of the drawings, like reference numerals designate corresponding parts.
The word "exemplary" or "illustrative" as used herein means serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" or "illustrative" is not necessarily to be construed as preferred or advantageous over other embodiments. All of the embodiments described below are exemplary embodiments provided to enable persons skilled in the art to make and use the examples of the disclosure and are not intended to limit the scope of the disclosure, which is defined by the claims. In other instances, well-known features and methods are described in detail so as not to obscure the invention. For purposes of the description herein, the terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," and derivatives thereof shall relate to the invention as oriented in fig. 1. Furthermore, there is no intention to be bound by any expressed or implied theory presented in the preceding technical field, background, brief summary or the following detailed description. It is also to be understood that the specific devices and processes illustrated in the attached drawings, and described in the following specification are simply exemplary embodiments of the inventive concepts defined in the appended claims. Hence, specific dimensions and other physical characteristics relating to the embodiments disclosed herein are not to be considered as limiting, unless the claims expressly state otherwise.
The invention discloses an automatic testing method of a new energy microgrid system based on loadrunner, which is characterized in that a loadrunner testing tool is adopted, a script is compiled by using a windows socket protocol, a message sent by a system server is analyzed, and testing is carried out according to the content of the message, and the method specifically comprises the following steps:
s1, compiling a script by using loadrunner Vgen, and simulating the message request and message receiving functions of the energy equipment according to the message content;
s2, arranging a virtual test scene by using a LoadRunner Controller, simulating the type and the number of actual intelligent equipment, and running for a period of time under the virtual scene to test whether the execution condition of functions or services and the corresponding time are stable and have no fluctuation;
s3, analyzing the test result by LoadRunner Analysis to obtain the message transmitting and receiving capability.
According to the technical scheme, the simulation energy equipment comprises the simulation of a power distribution instrument, a photovoltaic inverter, an energy storage controller, a charging pile or other energy intelligent equipment.
According to the technical scheme, the virtual test scene simulates the scene time of the intelligent equipment operation to be more than 24 h.
According to the technical scheme, the test function comprises the following steps: and compiling test functions to respectively realize the test of distribution data uploading, photovoltaic data uploading, energy storage device data uploading, charging pile data uploading and equipment alarm state uploading.
According to the technical scheme, the parameters of the test function adopt dynamic parameters, and the processing of the system on the boundary value can be tested.
According to the technical scheme, a function of handshaking between the energy equipment and the system server is placed in an initialization function vuser _ init () for calling; the set of device handle server instructions and data is called in execute function action (). The operation mechanism of the loadrunner executes the vuser _ init () once and then repeatedly executes the action (), the connection is executed in the vuser _ init () once, and the group of the instructions and the data of the equipment processing server is repeatedly executed in the action (), so that the operation mechanism is met, and the test performance is favorably improved.
According to the technical scheme, the range setting of the dynamic parameters needs to include the parameter range in the test function requirement and is larger than the parameter range in the test function requirement. For example, the current range is 1-10A, so when simulating an ammeter, the parameter of the set current in the script needs to set the interval [0,10] according to the test requirement, and the parameters of <1 (0.9) and >10 (10.1) are also tested.
According to the technical scheme, the dynamic parameters also cover abnormal values including negative numbers and letters, and the test system processes the abnormal parameters.
According to the technical scheme, the test success standard comprises the following steps:
the uploading of power distribution data, photovoltaic data, energy storage device data, charging pile data and alarm states can be completed, and the data are correctly displayed in the form of numbers, curves, pie charts and bar charts;
data processing can be completed according to the data sent, curves, maximum values, minimum values and the like of coordinates are correctly displayed by taking time as coordinates, and the functions of load prediction and photovoltaic power generation amount prediction are completed;
filling a historical database with the simulated data of the loadrunner, wherein the historical database comprises equipment data, alarm data and system operation data, and the historical data of the microgrid can be comprehensively inquired according to time conditions, type conditions, equipment, regions and the like;
the control test of the equipment is completed, and the electric switching on and off, the photovoltaic grid-connected and off-grid control, the energy storage battery charging and discharging control and the charging and discharging control of the charging pile are correctly completed according to the simulation remote control data fed back by the loadrunner;
and completing the performance test of the system until the load machine cannot add more virtual user equipment.
[ examples ] A method for producing a compound
As shown in fig. 1, the testing method of the present invention comprises the steps of:
1) and opening a Virtual user generator, selecting a newly-built single protocol script, and adopting a Windows sockets protocol.
2) And skipping recording and adopting a manual script writing mode.
3) A script for handshake connection between the intelligent terminal and the system server is stored in the vuser _ init; the action stores a message package script which simulates the intelligent equipment to process the server instruction and responds to the server; and storing telemetering remote signaling data simulated by the simulated intelligent equipment in the data.ws, wherein telemetering remote signaling parameters are set according to a parameter range in the function requirement, the coverage range is larger than the function requirement range, and abnormal values including negative numbers and letters are covered.
4) Saving the script, wherein the type is VuGen script.
5) All intelligent terminal protocols meeting the requirements of the multifunctional new energy microgrid system are compiled by the same method, and the intelligent terminal protocols comprise a water-electricity-gas meter, a circuit breaker, an energy storage battery, an inverter, a charging pile and the like and are stored.
6) And (3) secondary script development: in a scenario, a script needs to be repeatedly executed, so that resource conflict occurs, such as heavy ID, and a database is not allowed, so that the script needs to be secondarily developed, that is, parameterized, so that when the script runs, the script can be repeatedly executed, such as dynamically generating a new ID value to replace an old ID value in original request data.
7) And starting a controller, loading a script according to a requirement specification, and simulating the quantity, loading interval and duration of a power distribution instrument, a photovoltaic inverter, an energy storage controller, a charging pile or other energy intelligent equipment.
8) And continuously operating for more than 24 hours, and judging whether the test is passed according to a test report generated by a result analyzer analysis and the hmi display of the multifunctional new energy microgrid system.
The embodiment of the invention utilizes the Virtual User Generator (Virtual User) function in the loadrunner to create a plurality of windows sockets protocol scripts, and each protocol script simulates intelligent equipment of one protocol. The method for replacing the parameters by using the variables in each script can test the display and processing of the multifunctional new energy microgrid system on the boundary values and the over-limit values, and can judge whether the over-limit values give an alarm or adopt a relevant strategy to adjust the generated energy of the microgrid to store energy or not and record the generated energy in a historical database for inquiry. And the positioning performance is added in each script, so that the interaction interval between the multifunctional new energy microgrid system and the intelligent equipment can be measured. The method comprises the steps of creating a scene through a controller in the loadrunner, adding a script simulating terminal equipment, setting a Schedule operation strategy, adding a press, observing an operation result, and observing system response time after the terminal equipment is increased mainly according to positioning performance so as to judge system performance.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. Automatic testing method of new energy microgrid system based on loadrunner, which is characterized in that: the method adopts a loadrunner test tool, uses windows sockets protocol to compile scripts, analyzes messages sent by a system server, and tests according to the content of the messages, and comprises the following specific steps:
s1, compiling a script by using loadrunner Vgen, and simulating the message request and message receiving functions of the energy equipment according to the message content;
s2, arranging a virtual test scene by using a LoadRunner Controller, simulating the type and the number of actual intelligent equipment, and running for a period of time under the virtual scene to test whether the execution condition of functions or services and the corresponding time are stable and have no fluctuation;
s3, analyzing the test result by LoadRunner Analysis to obtain the message transmitting and receiving capability.
2. The automatic testing method of the loadrunner-based new energy microgrid system of claim 1, characterized in that: the simulation energy equipment comprises simulation of a power distribution instrument, a photovoltaic inverter, an energy storage controller, a charging pile or other energy intelligent equipment.
3. The automatic testing method of the loadrunner-based new energy microgrid system of claim 1, characterized in that: the virtual test scene simulates the scene time of the intelligent equipment operation to be more than 24 h.
4. The automatic testing method of the loadrunner-based new energy microgrid system of claim 1, characterized in that: the test functions include: and compiling test functions to respectively realize the test of distribution data uploading, photovoltaic data uploading, energy storage device data uploading, charging pile data uploading and equipment alarm state uploading.
5. The automatic testing method of the loadrunner-based new energy microgrid system of claim 4, characterized in that: the parameters of the test function adopt dynamic parameters, and the processing of the system on the boundary values can be tested.
6. The automatic testing method of the loadrunner-based new energy microgrid system of claim 4, characterized in that: putting a function of handshaking between the energy equipment and the system server into an initialization function (vuser _ init ()) for calling; the set of device handle server instructions and data is called in execute function action ().
7. The automatic testing method of the loadrunner-based new energy microgrid system of claim 5, characterized in that: the range setting of the dynamic parameter should include the parameter range in the test function requirement and be larger than the parameter range in the test function requirement.
8. The automatic testing method of the loadrunner-based new energy microgrid system of claim 7, characterized in that: the dynamic parameters should also cover abnormal values, including negative numbers and letters, and the processing of abnormal parameters by the test system.
9. The automatic testing method of the loadrunner-based new energy microgrid system of claim 1, wherein the testing success criteria include:
the uploading of power distribution data, photovoltaic data, energy storage device data, charging pile data and alarm states can be completed, and the data are correctly displayed in the form of numbers, curves, pie charts and bar charts;
data processing can be completed according to the data sent, curves, maximum values, minimum values and the like of coordinates are correctly displayed by taking time as coordinates, and the functions of load prediction and photovoltaic power generation amount prediction are completed;
filling a historical database with the simulated data of the loadrunner, wherein the historical database comprises equipment data, alarm data and system operation data, and the historical data of the microgrid can be comprehensively inquired according to time conditions, type conditions, equipment, regions and the like;
the control test of the equipment is completed, and the electric switching on and off, the photovoltaic grid-connected and off-grid control, the energy storage battery charging and discharging control and the charging and discharging control of the charging pile are correctly completed according to the simulation remote control data fed back by the loadrunner;
and the performance test of the system is completed, and the load machine cannot add more virtual user equipment.
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