CN113051158B - System-level and link-level multi-index synchronous automatic testing method and system - Google Patents
System-level and link-level multi-index synchronous automatic testing method and system Download PDFInfo
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- CN113051158B CN113051158B CN202110285481.5A CN202110285481A CN113051158B CN 113051158 B CN113051158 B CN 113051158B CN 202110285481 A CN202110285481 A CN 202110285481A CN 113051158 B CN113051158 B CN 113051158B
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Abstract
The invention discloses a system-level and link-level multi-index synchronous automatic testing method and system. The system comprises a parameter control unit, a signal generation device group, a data storage unit, a data analysis and report generation unit, a system time synchronization device and a script control unit. The method comprises the steps of running a test script in a script control unit, controlling a parameter control unit to load a test scene specified in the script, generating a test data message meeting the requirement of a test index, transmitting the test data message to a signal generation device group, controlling the signal generation device group to output a test signal to a tested system and a link, and then collecting and storing the test data transmitted by the tested system and the link. And finally, the data analysis and report generation unit finishes the extraction analysis and result output of the test data according to the data analysis ID and the report template ID defined by the test script to form a test report. The method can adapt to the trend of rapid increase of the performance and the volume of the satellite navigation communication system, greatly reduce the test cost and improve the test accuracy.
Description
Technical Field
The invention relates to the field of satellite navigation communication systems, in particular to a system-level and link-level multi-index synchronous automatic testing method and system.
Background
Satellite navigation communication systems are often divided into satellite navigation systems and satellite communication systems, which are radio systems for positioning and communication based on radio navigation signals broadcast by satellites and on-board multifunctional retransmission loads. At present, the global satellite navigation system is most representative of a GPS (global positioning system) in the United states, and a Beidou navigation system in China integrates navigation positioning and short message communication, so that the satellite signal short message communication function is realized while high-precision navigation positioning is realized, and the defect that communication cannot be carried out in an area which cannot be covered or damaged by a ground radio base station is overcome. Global satellite navigation and communication integrated satellite navigation systems are bound to become a new trend.
In order to meet the rapid growth requirements of navigation positioning accuracy, communication speed and user service capacity, the composition of a satellite navigation communication system is increasingly large and complex, a plurality of satellites and a plurality of signal receiving and transmitting links are required to complete the system, and the testing of key indexes of a plurality of system levels and link levels is increasingly complex along with the enhancement of system functions and the expansion of capacity. After the system is built, each signal transceiving link in the system needs to be tested for a plurality of key indexes, and the overall performance index of the whole system needs to be tested.
For a system with huge volume and complex functions, satellite navigation communication is often subjected to a large amount of labor, material and time costs and even higher than the construction cost of the system in the work of carrying out system-level and link-level index tests, and due to the characteristics of numerous system composition units, various performance indexes and the like, on one hand, the construction universality of the test environment is poor, the existing test equipment has strong specificity, and the reduction or expansion is inconvenient according to the volume of the system, so that the test cost is increased; the problems of long time consumption, poor flexibility, numerous details, large man-made difference, large data analysis difficulty and the like in the test process are urgently needed to be solved.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the system-level and link-level multi-index synchronous automatic testing method and system provided by the invention can adapt to the trend of rapid increase of the performance and the volume of the satellite navigation communication system, greatly reduce the testing cost, improve the testing accuracy and provide assistance for faster system delivery and online state.
According to the system-level and link-level multi-index synchronous automatic test system provided by the embodiment of the invention, one or more tested systems are connected, each tested system is provided with a plurality of links, and the system-level and link-level multi-index synchronous automatic test system comprises: the device comprises a parameter control unit, a signal generation device group, a data storage unit, a data analysis and report generation unit and a script control unit;
the parameter control unit is connected with the signal generating device group and used for carrying out parameter configuration on the signal generating device group and the index test scene before the automatic test starts, generating original text data required by various index tests, attaching information such as network IP (Internet protocol) and scene ID (identity), and then transmitting the original text data to different signal generating devices;
the signal generation device group is connected with a system to be tested and comprises a plurality of signal generation devices, each signal generation device is internally provided with a plurality of mutually independent signal generation channels, and the signal generation channels are connected and independently perform signal coding modulation, digital-to-analog conversion, frequency modulation and power control according to respective system, frequency and other parameter configurations, and are used for outputting multi-channel test analog signals of intermediate frequency and radio frequency for different systems to be tested and links;
the data storage unit is connected with the tested system and used for collecting and storing test data after transmission processing of the tested system and the link;
the data analysis and report generation unit is connected with the data storage unit and is used for calling a corresponding data processing analysis program to process and analyze the test data according to the data analysis program ID and the report template ID defined in the test script to obtain a test result and issue a test report;
the script control unit is respectively connected with the parameter control unit, the signal generation device group, the data storage unit and the data analysis and report generation unit, and is used for controlling the start and stop of each test and setting the ID of the data storage, analysis and report template aiming at the test scripts compiled by different test items.
A system level and link level multi-index synchronous automatic test method applying the system comprises the following steps:
s1, configuring the required number of signal generating devices according to the number of the tested system and the link, and allocating different IP addresses;
s2, synchronizing the time of the test system and the time of the tested system;
s3, editing test scene parameters in a user-oriented parameter configuration interface according to the test rule specification of the planned test indexes in the parameter control unit, preparing test scene files of all planned test index items, and storing the test scene files in a test scene calling directory of the parameter control unit;
s4, editing a test script file in the script control unit according to different index types of the planned test, defining a test control flow in the file, defining a signal generation device, a test scene name, a data storage path, test time, a data analysis program ID and a report template ID used in the test, preparing test script files of all planned test index items, and storing the test script files in a test script loading directory of the script control unit;
s5, the system to be tested and the link are in a running state, so that the parameter control unit software completes initialization, test script files of all test index items are added, and running test is started;
s6, after the test starts to run, the parameter control unit generates a plurality of original test data messages and outputs the original test data messages to the signal generating device;
s7, the signal generating device respectively performs code modulation, digital-to-analog conversion, frequency modulation and power control on the original test data message according to the parameter configuration of different channels, and finally outputs a plurality of intermediate frequency simulation test signals and a plurality of radio frequency simulation test signals;
s8, during timing, the test signal is transmitted by the tested system and link, converted into digital signal and analyzed to obtain telegraph text and signal parameter, continuously transmitted to the data storage unit, stored in the test script specified path,
s9, after the test is finished, the test script transmits the ID number of the tested index data analysis and the ID number of the report template to the data analysis and report generation unit, the data analysis and report generation unit calls a corresponding data analysis program from the background to complete the processing and analysis of the test data, displays the index test result, and simultaneously fills the result into the corresponding report template to be stored under the test report storage path;
and S10, if test scripts still wait to run, continuing to repeat the step S6, otherwise, the automatic script control unit stops running, and summarizes and prompts the execution conditions of all the test scripts, and the operation is completed or fails.
The system-level and link-level multi-index synchronous automatic testing method and system provided by the embodiment of the invention at least have the following technical effects:
1. in the embodiment of the invention, the number of the devices in the signal generating device group can be increased, decreased and allocated according to the test requirements, so that the construction flexibility of the test environment is greatly improved;
2. the embodiment of the invention can accumulate test scenes and test scripts with different indexes, only needs one-time editing and storage, and can directly call in subsequent repeated tests, thereby reducing the repeated labor of testers;
3. according to the embodiment of the invention, the test script loads the test parameters, controls the test process, processes the analysis data and generates the test report, so that the automation of the test process is realized, and the test efficiency is greatly improved;
4. according to the embodiment of the invention, different test parameters and scene data can be loaded for each signal output channel of each signal generating device through the test script, so that the signal generating devices can simultaneously output the multi-channel test signals which are mutually independent and different in system, frequency, power and other parameters, and therefore, the multi-system multi-link multi-index synchronous test can be realized;
5. the embodiment of the invention classifies and standardizes the storage formats of the test data with different indexes, programs the data processing and analyzing method and templates the test report, and only uses ID numbers for distinguishing, thereby improving the efficiency of analyzing the data and issuing the report and reducing the error probability of manual analysis.
In conclusion, the invention can simplify the complex and changeable system-level link-level index test and improve the test accuracy and efficiency.
According to some embodiments of the present invention, the parameter control unit includes a signal generation device configuration module, a test scenario configuration module, and an original data generation module, which are sequentially connected, and a signal generation process scheduling unit, which is respectively connected to the signal generation device configuration module, the test scenario configuration module, and the original data generation module.
According to some embodiments of the invention, the number of signal generating devices can be flexibly configured according to the requirements of the system to be tested and the number of links.
According to some embodiments of the present invention, the test system further comprises a system time synchronization device, and the system time synchronization device is respectively connected to the parameter control unit, the signal generation device group, the data storage unit, and the data analysis and report generation unit, so as to ensure synchronization of the working clock and the system time between the test system and the tested system.
According to some embodiments of the present invention, the test time in step S8 is preset in the test script.
According to some embodiments of the present invention, in step S6, it is first determined whether each test unit and the system device under test are in an online ready state, and if all test units and the system device under test are ready, a test scenario configuration file is loaded to the parameter control unit and the parameter control unit is controlled to start running.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a system level and a link level multi-index synchronous automatic test system according to an embodiment of the present invention;
FIG. 2 is a functional block diagram of a parameter control unit in an embodiment of the present invention;
FIG. 3 is a functional block diagram of a signal generating apparatus according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating the operation of a test script in an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1, a system-level and link-level multi-index synchronous automatic test system includes a parameter control unit, a signal generation device group, a data storage unit, a data analysis and report generation unit, a system time synchronization device, and a script control unit, where the parameter control unit, the signal generation device group, a system under test, the data storage unit, and the data analysis and report generation unit are connected in sequence, the system time synchronization device is connected with the parameter control unit, the signal generation device group, the data storage unit, and the data analysis and report generation unit, respectively, the script control unit is connected with the parameter control unit, the signal generation device group, the data storage unit, and the data analysis and report generation unit, and all the units are interconnected through a local area network.
Referring to fig. 2, the parameter control unit includes four functional modules of signal generation device configuration, test scenario configuration, raw data generation, and signal generation process scheduling. The parameter control unit is used for carrying out parameter configuration on the signal generating device and the index test scene before the automatic test starts, generating original text data required by various index tests, attaching information such as network IP (Internet protocol), scene ID (identity) and the like, and transmitting the information to different signal generating devices through a local area network.
Referring to fig. 3, the number of signal generating devices can be flexibly configured according to the requirements of the number of the systems to be tested and the number of the links, each signal generating device includes 4 signal generating paths, the paths independently perform signal coding modulation, digital-to-analog conversion, frequency modulation and power control according to respective system, frequency and other parameter configurations, and finally output each 4 test analog signals of intermediate frequency and radio frequency for different systems to be tested and links.
The data storage unit is used for collecting and storing test data after transmission processing of the tested system and the link, the test data carries information such as system ID and link ID for extraction, and a data storage path is defined in the test script.
And the data analysis and report generation unit extracts corresponding parts from the test data according to the data analysis program ID and the report template ID defined in the test script, calls a corresponding data processing analysis program to process and analyze the test data to obtain a test result and issue a test report.
The script control unit is an instruction control unit of the whole test system, and gathers a series of test scripts which are compiled aiming at different test items, controls the start and stop of each test, and sets data storage, analysis and report template IDs. A typical test script workflow is shown in figure 4.
The system time synchronizer is an auxiliary device of the test system, is realized by a synchronization source, a time network server and time synchronization software, and is used for ensuring the synchronization of a working clock and system time between the test system and a tested system. If devices or systems with the same function exist in the tested system, such as a time-frequency unified system in a satellite navigation communication system, only a time synchronization signal of the tested system needs to be sent to each unit of the testing system in a network time service mode.
The embodiment also relates to a system-level and link-level multi-index synchronous automatic testing method, which comprises the following steps
And S1, configuring the required number of signal generating devices according to the number of the tested system and the links, allocating different IP addresses, and connecting the signal output interfaces of the signal generating devices according to the signal input requirements of the tested links.
And S2, connecting all the components in the test system to the local area network of the tested system through network cables, setting the address of a time synchronization server as the time service server IP of the time frequency synchronization system of the tested system, and connecting the frequency signal of the tested system to a signal generating device as a working clock source of the signal generating device to realize the time synchronization of the test system and the tested system.
And S3, setting test scene parameters such as signal system, path number, coding rate, level, frequency offset, triggering time, text content and the like in a user-oriented parameter configuration interface according to the test rule specification of the planned test index in the parameter control unit, and storing the test scene parameters in a test scene calling directory in a classified manner.
S4, the script control unit edits test script files of different indexes, specifies a test control flow in the files, and specifies a signal generating device, a test scenario name, a data storage path, a test time, a data analysis program ID, a report template ID, and the like. And storing the test script files of all the planned test index items in a loading directory.
S5, opening the parameter control unit software and completing initialization, adding test script files of all test index items in a foreground program interface of the script control unit according to a test plan, clicking an execution start button, and then starting to run the script files in sequence, wherein the current running state of each test script can be displayed in real time on the interface, and a tester can conveniently observe the current running state.
S6, referring to fig. 4, after the test script starts to run, first, it is determined whether each test unit and the system device under test are in an online ready state, if all test units and system devices under test are ready, the test scenario configuration file is loaded to the parameter control unit, and the parameter control unit is controlled to start to run, and at this time, the parameter control unit generates a plurality of original test data messages and outputs the messages to the signal generating device.
S7, the signal generating device respectively performs code modulation, digital-to-analog conversion, frequency modulation and power control on the original test data message according to the parameter configuration of different paths, and finally outputs 4 paths of intermediate frequency simulation test signals and 4 paths of radio frequency simulation test signals;
s8, setting test time in the test script, converting the test signal into digital signal after being transmitted by the tested system and link during timing period, analyzing the message and signal parameter, continuously transmitting to the data storage unit, storing in the test script specified path;
s9, after the timing of the test time is finished, the test script issues a stop instruction to all the test units, and then transmits a data analysis ID number and a report template ID number to the data analysis and report generation unit; and the data analysis and report generation unit calls a corresponding data analysis program from the background according to the ID number to complete the processing and analysis of the test data, displays the test result, fills the result into a report template of the corresponding ID and stores the result in a test report storage path.
And S10, when the running of one test script is finished, if the test script waits to run in the queue, the step S6 is continuously repeated for testing, otherwise, the automatic script control unit stops running and prompts the execution condition of all the test scripts.
In conclusion, the invention can simplify the complex and changeable system-level link-level index test and improve the test accuracy and efficiency.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A system-level and link-level multi-index synchronous automatic test system is used for connecting one or more tested systems, each tested system is provided with a plurality of links, and the system-level and link-level multi-index synchronous automatic test system is characterized by comprising: the device comprises a parameter control unit, a signal generation device group, a data storage unit, a data analysis and report generation unit and a script control unit;
the parameter control unit is connected with the signal generating device group and used for carrying out parameter configuration on the signal generating device group and the index test scene before the automatic test starts, generating original text data required by various index tests, attaching network IP and scene ID information and then transmitting the original text data to different signal generating devices;
the signal generation device group is connected with a system to be tested and comprises a plurality of signal generation devices, each signal generation device is internally provided with a plurality of mutually independent signal generation channels, and the signal generation channels are independently subjected to signal coding modulation, digital-to-analog conversion, frequency modulation and power control according to respective system and frequency parameter configuration and are used for outputting multi-channel test analog signals of intermediate frequency and radio frequency for different systems to be tested and links;
the data storage unit is connected with the tested system and used for collecting and storing test data after transmission processing of the tested system and the link;
the data analysis and report generation unit is connected with the data storage unit and is used for calling a corresponding data processing analysis program to process and analyze the test data according to the data analysis program ID and the report template ID defined in the test script to obtain a test result and issue a test report;
the script control unit is respectively connected with the parameter control unit, the signal generation device group, the data storage unit and the data analysis and report generation unit, and is used for controlling the start and stop of each test and setting the ID of the data storage, analysis and report template aiming at the test scripts compiled by different test items.
2. The system-level and link-level multi-index synchronous automated test system of claim 1, wherein: the parameter control unit comprises a signal generation device configuration module, a test scene configuration module and an original data generation module which are sequentially connected, and a signal generation process scheduling unit which is respectively connected with the generation device configuration module, the test scene configuration module and the original data generation module.
3. The system-level and link-level multi-index synchronous automated test system of claim 1, wherein: the number of the signal generating devices can be configured according to the requirements of the system to be tested and the number of the links.
4. The system-level and link-level multi-index synchronous automated test system of claim 1, wherein: the system time synchronization device is respectively connected with the parameter control unit, the signal generation device group, the data storage unit and the data analysis and report generation unit and is used for ensuring the synchronization of the working clock and the system time between the test system and the tested system.
5. A system-level and link-level multi-index synchronous automatic testing method is characterized by comprising the following steps:
s1, configuring the required number of signal generating devices according to the number of the tested system and the link, and allocating different IP addresses;
s2, synchronizing the time of the test system and the time of the tested system;
s3, editing test scene parameters in a user-oriented parameter configuration interface according to the test rule specification of the planned test indexes in the parameter control unit, preparing test scene files of all planned test index items, and storing the test scene files in a test scene calling directory of the parameter control unit;
s4, editing a test script file in the script control unit according to different index types of the planned test, defining a test control flow in the test script file, defining a signal generation device, a test scene name, a data storage path, test time, a data analysis program ID and a report template ID used in the test, preparing test script files of all planned test index items, and storing the test script files in a test script loading directory of the script control unit;
s5, the system to be tested and the link are in a running state, so that the parameter control unit software completes initialization, test script files of all test index items are added, and running test is started;
s6, after the test starts to run, the parameter control unit generates a plurality of original test data messages and outputs the original test data messages to the signal generating device;
s7, the signal generating device respectively performs code modulation, digital-to-analog conversion, frequency modulation and power control on the original test data message according to the parameter configuration of different channels, and finally outputs a plurality of paths of intermediate frequency simulation test signals and a plurality of paths of radio frequency simulation test signals;
s8, during timing, after the test signal is transmitted by the tested system and the link, the test signal is converted into a digital signal and analyzed to obtain a telegraph text and signal parameters, and the telegraph text and the signal parameters are continuously transmitted to a data storage unit and stored under a specified path of a test script;
s9, after the test is finished, the test script transmits the ID number of the tested index data analysis and the ID number of the report template to the data analysis and report generation unit, the data analysis and report generation unit calls a corresponding data analysis program from the background to complete the processing and analysis of the test data, displays the index test result, and simultaneously fills the result into the corresponding report template to be stored under the test report storage path;
and S10, if test scripts still wait to run, continuing to repeat the step S6, otherwise, the automatic script control unit stops running, and summarizes and prompts the execution conditions of all the test scripts, and the operation is completed or fails.
6. The system-level and link-level multi-index synchronous automated testing method of claim 5, wherein: the test time in step S8 is preset in the test script.
7. The system-level and link-level multi-index synchronous automated testing method of claim 5, wherein: in step S6, it is first determined whether each test unit and the system device under test are in an online ready state, and if all test units and the system device under test are ready, a test scenario configuration file is loaded to the parameter control unit and the parameter control unit is controlled to start operating.
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