35results about How to "Narrow the scope of the test" patented technology

The invention provides a detector for binary-code buffer-zone overflow bugs, and a detection method thereof. The detector comprises six functional modules, namely a debugger module, an input point positioning module, a disassembling module, a symbolic execution module, a loop operation analysis module and an intelligent FUZZ test module. Differing from static symbolic execution, the detection method dynamically loads programs through the self-developed debugger module to synchronously performing symbolic execution and single-step practical execution, and then applies a model to solve each difficulty in binary code analysis so as to test path coverage and detect overflow bugs in accordance with all executable programs of PE format under a Windows platform. The detection can also provide propagation paths of input data and other important information related to bug formation cause while positioning the bugs, only analyzes the selves of the executable programs, needs no source codes, is unrelated to the species of source codes and development tools, and is extensive in applicable occasions, so the detection method has good prospects for popularization and application.

The invention discloses an information safety penetration testing method for a distribution automation system. Penetration testing is carried out on a master station system, a distribution network terminal and a communication channel, the information system vulnerability penetration testing technology is fully used, the safety of the distribution automation system is evaluated by simulating the attack method of a hacker, and the information safety penetration testing method includes the active analysis for any weakness, technical defects or loopholes of the master station system, the communication circuit and the distribution network terminal. The information safety penetration testing method for the distribution automation system can be used for safety risk analysis work before the distribution automation system is connected to the internet, guidance is provided for finishing problem rectification and reformation and retest work of manufacturers with safety risks, and the method is high in pertinence and wide in test range. Compared with a traditional penetration testing method, the test time can be largely shortened, offline repairing events caused by safety problem failures after equipment is on line are reduced, the information safety penetration testing for the distribution automation system is realized, and the information safety penetration testing method can be applied to industrial control systems inside and outside the industry.

The invention discloses a WiFi fingerprint indoor positioning method including the following steps of offline processing including (11) defining a positioning area, establishing a location fingerprint database LFDB of L sampling points, (12) performing k-mean clustering on the location fingerprint database LFDB and by taking the European distance as the evaluation criterion of similarity degree, dividing the fingerprint database into fingerprint database with k subclasses KF

; and online positioning including (21) calculating the distance from the actual measurement fingerprint lf=(rssi1, rssi2, ...rssin) to each class center, and writing as DIS=[d1, d2,...dk]; (22) finding the class corresponding to the smallest value in DIS, writing as G<SPECIAL>; (23) calculating the distance between the actual measurement fingerprint lf and each fingerprint in the G<SPECIAL>; (24) selecting the reference fingerprints; (25) calculating the weight coefficient of each reference fingerprint; and (26) calculating the position coordinate of the actual measurement fingerprint. The method clusters the RSSI value acquired in the data offline sampling phase by means of the k-mean algorithm and reduces the computational complexity of the fingerprint matching process; and in the online positioning phase, a dividing method is adopted to reduce the positioning error.

The invention relates to a code testing method and device, electronic equipment and a storage medium, relates to the technical field of testing management in software testing, and can be applied to anapplication scene of carrying out code testing on software codes completed by developers. The code testing method comprises the steps of storing an interface and a function by adopting a storage modeof defining a relation between the interface and the function in a code; if the function in the code changes, determining an interface corresponding to the changed function as a target interface; anddetermining a test case corresponding to the target interface according to a preset mapping relationship between the interface and the test case, so as to test the code with the function changed based on the test case. According to the method and the device, the interface corresponding to the changed function in the software code can be accurately positioned, and the test case is generated basedon the positioned interface so as to test the code.

The invention discloses a method for quickly deploying a cloud management system based on a container technology, and relates to the technical field of containers, and the method comprises the following steps: S1, carrying out the atomic service splitting of a code program of the cloud management system according to three types: a front-end program, a middleware program and a rear-end program; s2,respectively making the split atomic services into independently running container mirror images; s3, enalbing each type of atomic service to adopt the quantity of copies started by the container torealize a dual-active load deployment mode of the service component; and S4, recording a mapping relationship between the code version of each type of atomic service and the attribute information in the mirror image, realizing standardization of version management of the cloud management system, and uploading the container mirror image corresponding to the cloud management system to a physical machine needing to be deployed to deploy the cloud management system. According to the method, the deployment period can be shortened, and the high-availability HA function of the atomic service mode canbe realized.

The invention provides a test method Web engineering automatic verification. The method comprises the following steps of: acquiring a modified JS file in a new version of the engineering file; according to the function body characteristic of the JS file, analysizing JS function and obtaining a function name of the JS function; traversing the HTML files in the engineering file according to the function name to obtain the HTML files calling the JS function. The test method Web engineering automatic verification can determine the application domain of the modified service information corresponding to the other service information in the new version engineering document, so that the influence range brought by the code modification between different versions can be judged, the test range is reduced, and the test time is shortened; at the same time, the function of the same event function for multiple calls can be realized, only one test is needed, and the test time is further reduced. The test method Web engineering automatic verification has a fully automatic test implementation process, and has the advantages that the test efficiency and test accuracy are obviously improved.

The invention discloses an end-to-end public key keyword searchable encryption method for cloud data transmission, belonging to the technical field of network security. The scheme of the invention aims to solve the traversal matching calculation consumption problem and the return data distinguishing problem when server keyword ciphertext matching is performed in an end-to-end keyword search process. The scheme of the invention is suitable for end-to-end data transmission that needs to ensure the data security and retrieval efficiency, aims to securely and reliably perform searchable encryptionbased on keyword ciphertext exact matching on data of a receiving end stored on a server, and improves the keyword ciphertext search efficiency. Compared with a traditional search scheme that needs to perform matching tests on keyword ciphertexts of all files on the server, by adopting the scheme of the invention, a user holds a file set, the matching range can be narrowed, and thus the consumption of the server caused by performing traversal access on the keyword ciphertexts and the computing consumption caused by performing keyword ciphertext tests can be reduced, and the discrimination ofreturned data can also be achieved by relying on file labels.

The invention discloses a drug relocation model based on pathogenic contribution network analysis. The drug relocation model comprises a data preparation module, a pathogenic contribution network construction and calculation module and a drug embedding and sequencing module; the task of the data preparation module is to fully prepare data required by a pathogenic contribution network constructionand calculation part, including data cleaning and entity disambiguation; the pathogenic contribution network construction and calculation module is used for completing pathogenic network constructionand node contribution calculation, and establishing a complete pathogenic contribution network, including pathogenic network construction and node contribution calculation; the task of the medicine embedding and sequencing module is to list all medicines serving as effective medicines of a target disease and the possibility that each medicine becomes an effective medicine of the target disease, including medicine embedding and result sequencing. According to the method, biomedical data and a problem solving angle are combined with a solution of the computer technology, the defects existing innew drug development are better overcome, and a new drug-disease relationship is predicted.

The invention provides a determining method and device of a software testing range. The method comprises the steps of determining at least two function modules which are included by software to be tested; obtaining at least one metadata used for defining each function module separately; determining influence degree values between each metadata and other metadata according to citation relationships among the metadata; obtaining at least one modified metadata which is modified; determining at least one correlated metadata corresponding to the modified metadata aiming at every modified metadata and according to the influence degree values between the modified metadata and other metadata; determining at least one function module defined by each correlated metadata as the testing range of the software to be tested. The determining device of the software testing range comprises a preset unit, an acquisition unit, a recognition unit and a processing unit. According to the technical scheme, the efficiency in testing the software can be provided.

The invention relates to an optimization grouping method of a multifrequency electromagnetic sensitivity test. The method comprises the steps of (1) obtaining test information, and calculating the testing frequency of a tested product, wherein the total number of the testing frequency of the tested product is A, and a user gives the number B of possible largest sensitive frequencies of a tested product, (2) obtaining a grouping parameter, giving an optimal grouping condition, which means that the grouping times of the test is ln (A/B)-1, and the group number of each time of grouping is eB, (3) carrying out grouping testing, dividing all frequencies to be tested into eB groups, the sensitivity test of each group is carried out, and removing a frequency comprised by a group which does not expresses a sensitive phenomenon after the test is ended, (4) repeating the step (3) for ln (A/B)-1 times, and (5) carrying out successive testing of the remaining frequencies of a grouping test after the grouping test and judging whether the frequencies are sensitive frequencies or not. According to the method, the range of test frequency number is reduced, and thus the efficiency of the grouping testing is improved.

The invention relates to an Internet financial industry data acquisition system. A client terminal comprises a service data acquisition unit and an acquisition system acquisition unit; the service data acquisition unit is used for acquiring service data and sending the service data to an acquisition data use system, the acquisition system acquisition unit is used for acquiring acquisition data andsending the acquisition data to the data acquisition system, and the data acquisition system is in signal connection with the acquisition data use system; the acquisition system acquisition unit comprises an SDK module, a data acquisition module and an acquisition ID generation module are arranged in the SDK module, and the data acquisition module is used for acquiring acquisition information; the acquisition ID generation module is used for returning an acquisition serial number GatherID after acquisition of the acquisition information is completed, and the acquisition serial number GatherIDis associated with the acquisition information; according to the data acquisition system, services are associated with acquired data through acquisition flow, and a service system is not coupled to data acquisition, so that the maintainability of the system is greatly improved.

The embodiment of the invention provides a testing method and device. The method comprises: acquiring all path branches of a code to be tested; Based on each path branch of the to-be-tested code and the relationship between each path branch and a test case, selecting a preferred case of the to-be-tested code; And testing the to-be-tested code based on the preferred use case. According to the method and the device provided by the embodiment of the invention, by establishing the relationship between the path branch and the test case, a basis is provided for selecting the preferred case for the to-be-tested code, the test range can be reduced from the code level, and the pertinence of the preferred case for the to-be-tested code is enhanced.

The invention provides a double-screw refrigeration compressor production performance testing system and method. The double-screw refrigeration compressor production performance testing system comprises a base, a fixed screw seat, a movable screw seat, a movable adjusting mechanism, a vertical plate, a pressing mechanism and a driving mechanism. The invention further provides a testing method of the double-screw refrigeration compressor production performance testing system when testing screws. The testing method comprises the following steps of S1, system detection; S2, screw placement; S3, screw engagement; S4, screw fixation; S5, driving testing; and S6, screw taking out after testing is completed. The double-screw refrigeration compressor production performance testing system and method can solve the problems that an existing double-screw refrigeration compressor production performance testing system may encounter the following problems when testing the screws: 1, an existing testing method is to completely assemble two screws into equipment for testing, a large amount of time is wasted during assembling of the equipment, and the testing efficiency is greatly reduced; and 2, when the screws are tested in the prior art, the two screws are meshed with each other, and the position distance between the two screws is single, so that the testing range is reduced.

The invention relates to a chemical data analysis system based on industrial big data, and the system comprises a unary correlation test module which is used for testing the correlation of each reactant to the purity of a finished product in a certain chemical reaction; a binary correlation test module which is used for testing the correlation between every two reactants and the purity of a finished product in a certain chemical reaction; an analysis module which is used for analyzing the correlation between each reactant and the purity of the finished product and the correlation between every two reactants and the purity of the finished product; an integration module which is used for analyzing and calculating the relationship among the reactants and finding all reactants with mutual repulsion effects; an iteration module which is used for continuously searching reactants with the mutual repulsion effect according to the data in the integration module and regarding the reactants as new reactants until the mutual repulsion effect does not exist among all the reactants finally; and an experiment module which is used for carrying out actual chemical experiments to calculate the optimal quantitative proportion relation among the reactants so as to obtain the highest purity of a finished product.

The invention relates to a dynamic case priority ranking method and device, and solves the problems that the current case priority ranking depends on the subjective consciousness of personnel and lacks objective data guidance. Therefore, the inventor provides the following method: obtaining a high-frequency factor capable of representing user access frequency based on a function module involved ina test case and page view data in a user log; identifying cases involved in code change based on a code coverage dyeing approach, and identifying a change code function at the same time, thereby identifying and marking change cases of which change risks meet a preset standard from the case set, and obtaining high-risk factors capable of characterizing the change risks of the cases; and based on the high-frequency factor and the high-risk factor obtained in the above steps and a preset priority preference factor, obtaining a use case sorting parameter. Meanwhile, the invention provides a dynamic priority ranking device for realizing the method. The sequencing process is based on objective data and objective operation, priority sequencing is accurate and efficient, the test range is narrowed, and the software product quality and the software test efficiency are improved.

The invention relates to the field of computers, and discloses a front-end component online updating method and device, equipment and a storage medium, and the method comprises the steps: obtaining an online updating tool, a pre-configuration file and an initial frame project, building a target frame project supporting online updating according to the online updating tool, the pre-configuration file and the initial frame project, the pre-configuration file comprises an address of an online updating component and an address of an online updating file, and the online updating file is used for updating the online updating component; obtaining a corresponding online updating component in the target framework project according to the address of the online updating component, and obtaining a corresponding online updating file according to the address of the online updating file; and obtaining the component name of the online update component, positioning the update content from the online update file according to the component name, and performing online update on the online update component according to the update content. In this way, the updating efficiency can be improved, the testing range can be narrowed, and the workload of developers can be relieved.

The invention discloses a system testing method and device, and relates to the technical field of computers. A specific embodiment of the method comprises: comparing a to-be-tested system with a reference system to determine a to-be-tested service identifier set, wherein the to-be-tested system is an improved system of the reference system, the to-be-tested system is used for supporting at least one service, and the to-be-tested service identifier set comprises at least one service identifier; according to the to-be-tested service identifier set, determining a test range of the to-be-tested system, the test range comprising a plurality of test cases; and testing the to-be-tested system according to the test range. According to the embodiment, the time required by software testing can be shortened, so that manpower and material resources consumed by the software testing are saved.