CN101183332A - Method and device for automatically generating testing datasets by program content - Google Patents
Method and device for automatically generating testing datasets by program content Download PDFInfo
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Abstract
The invention relates to a method of automatically generating a test data set according to the content of the program, which is characterized in comprising the following steps: (a) reading an input source program file; (b) analyzing the logical relation of the content of the program to acquire the limiting condition of the input parameter in the logical relation; (c) generating and outputting the test data according to the limiting condition. The invention also relates to a device for automatically generating a test data set according to the content of the program, comprising a file reader, a logical relation analyzer, a test data generator and a test data report device which are all connected in sequence. The invention has the advantages of fast speed of generating the test data, ensuring the comprehensiveness of the test data by analyzing the source program and generating test data, and getting the latest test data only by rerunning the device after the update or upgrade of the test requirement.
Description
Technical field
The present invention relates to the test of program, relate in particular to a kind of generation method and device of test data.
Background technology
Fast development of information technology makes software product be applied to fields of society, and the quality of software product becomes people's Focal Point of Common Attention naturally.No matter the producer of software or the user of software all survive in the environment of competition, the software developer is in order to occupy market, must be software quality as one of important goal of enterprise, in order to avoid be eliminated in keen competition.Ripe software enterprise, in the construction cycle of a software product, the task amount of software development accounts for 30%, software test accounts for 70%, its importance is self-evident, software is carried out the test of specialty, the not still assurance of product quality, the key of controlling cost, enterprise possesses the essential condition of international competitiveness especially.
In concrete test, it is the most important thing of software test that test data is prepared.
In present test job, test data all is the manual arrangement of collecting.Generally all be according to the testing requirement point,, obtain one group of test data in conjunction with certain method of testing.The arrangement of test data is slow, and efficient is very low, and workload is big.Owing to be manual arrangement, there are confidential relation in the validity of test data and concrete test data trimmer, if trimmer's level height, the test data validity after the arrangement is just than higher, otherwise validity is just poor.
And, after the testing requirement document upgrades or upgrades, just needing to rearrange test data, former test data reuse is very low; Concerning the test of project level, because project all is a plurality of people's setup test data usually, cause the style disunity of test data, influence test effect.
Summary of the invention
The technical problem to be solved in the present invention provides and a kind ofly generates the method and apparatus of test data set automatically according to contents of program, can efficiently, automatically generate test data.
In order to address the above problem, the invention provides and a kind ofly generate the method for test data set automatically according to contents of program, it is characterized in that, may further comprise the steps:
(a) read the source files of program of input;
(b) content of program is carried out the logical relation analysis, the qualifications of the input parameter that is wherein comprised;
(c) generate test data and output according to described qualifications.
Further, said method also can have following characteristics, and step (a) is also carried out grammatical analysis to source files of program after reading the source files of program of input, filter out the program part that satisfies grammar request;
In the step (b) only the content to the program part that satisfies grammar request carry out the logical relation analysis.
Further, said method also can have following characteristics, in the step (b), identify qualifications relevant with input parameter in the program and write down its type and content, described qualifications comprises or combination in any in variable declarations condition, Rule of judgment, restrictive condition, the cycling condition.
Further, said method also can have following characteristics, for the variable declarations condition, uses the equivalence class analytic approach to generate test data effective and invalid under this condition.
Part or all of condition in the Rule of judgment that comprises for Rule of judgment, restrictive condition and cycling condition uses the boundary value analysis method to generate test data effective and invalid under this condition;
The a certain test data of an input parameter only all effectively the time, thinks that just this test data is effective under its all relevant qualificationss.
Further, said method also can have following characteristics, in the step (b), also writes down the affiliated object of each qualifications that obtains simultaneously;
Determine relevance between each condition according to object under the test data respective conditions in the step (c), the test data that generates is carried out exporting after the associative combination.
Further, said method also can have following characteristics, and the respective conditions of record is affiliated to liking a kind of or combination in any in function, file and the project in the step (b);
When step (c) is carried out associative combination and output to the test data that generates, in one or more in the following ways:
With the function is that unit carries out the combination of test data logical relation, the test data of output function level; With the file is that unit carries out the combination of test data logical relation, the test data of output file level;
With the project is that unit carries out the combination of test data logical relation, the test data of output project level.
Further, said method also can have following characteristics, in the step (b), also writes down affiliated function and the execution sequence in affiliated function thereof of each qualifications that obtains.
In order to address the above problem, the present invention also provides a kind of device that generates test data set according to contents of program automatically, it is characterized in that, comprise the document reader, logical relation analyzer, test data generating and the test data report device that connect successively, wherein:
Described document reader is used to read source files of program and the output that needs generate test data;
Described logical relation analyzer is used for the contents of program that reads is carried out the logical relation analysis, and the qualifications of the input parameter that is wherein comprised outputs to described test data generating;
Described test data generating is used for generating test data according to described qualifications;
Described test data report device is used for the test data that form output in accordance with regulations generates.
Further, said apparatus also can have following characteristics, also comprises syntax analyzer, is used to receive the source files of program of described document reader output, source files of program is carried out grammatical analysis, filter out the program part that satisfies grammar request and output to described logical relation analyzer;
Described logical relation analyzer only carries out the logical relation analysis to the content of the program part that satisfies grammar request.
Further, said apparatus also can have following characteristics, when described logical relation analyzer carries out the logical relation analysis, identify qualifications relevant with input parameter in the program and write down its type and content, described qualifications comprises or combination in any in variable declarations condition, Rule of judgment, restrictive condition, the cycling condition.
Further, said apparatus also can have following characteristics, and described test data generating uses the equivalence class analytic approach to generate test data effective and invalid under this condition for the variable declarations condition when generating test data; And/or, use the boundary value analysis method to generate test data effective and invalid under this condition for the Rule of judgment that comprises in Rule of judgment, restrictive condition or the cycling condition;
The a certain test data of an input parameter only all effectively the time, thinks that just this test data is effective under its all relevant qualificationss.
Further, said apparatus also can have following characteristics, also comprises the test data clasfficiator,
When described logical relation analyzer carries out the logical relation analysis, also write down the affiliated object of each qualifications that obtains simultaneously, comprise a kind of or combination in any in function, file and the project;
Described test data clasfficiator, be used for determining relevance between each condition according to object under the test data respective conditions, with in function, file and the project one or more is that unit carries out the combination of test data logical relation, outputs to described test data report device;
In described test data report device output function level, file-level and the project level test data one or more.
In sum, it is quick to generate test data speed according to the present invention, owing to be that source program is analyzed the generation test data, has guaranteed that test data is comprehensive.After testing requirement is upgraded or is upgraded, only need rerun this device, just can obtain up-to-date test data.
In addition, can also select to generate the test data of different stage, generate test data and have very strong dirigibility; Can carry out test data according to analytic approach of equal value and boundary value method and generate, to guarantee the validity and the practicality of test data.The test data that this method generates not only can be for tester's use, uses in the time of also can be for developer's debugged program.
Description of drawings
Fig. 1 is the structured flowchart of embodiment of the invention device.
Fig. 2 is the process flow diagram of embodiment of the invention method.
Embodiment
The present invention is that these test datas are meant the parameter that need import when test, as numerical value, symbol, Chinese character and expression formula etc. according to the test data set of content automatic generating software test (comprising debugging) needs of source program.After reading source program, the advanced lang method of source program to be analyzed, grammatical then part is carried out the logical relation analysis, carries out the generation of test data then.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.
Fig. 1 shows the structure of the generating apparatus of present embodiment test data set, as shown in the figure, comprises the document reader, syntax analyzer, logical relation analyzer, test data generating, test data clasfficiator and the test data report device that connect successively.Wherein:
Document reader is used to read the source files of program that needs generate test data, outputs to syntax analyzer.Can read one or more files.
Syntax analyzer is used to analyze the content of source program, the grammer which part of sign is in order, and which part does not meet the grammer of program, outputs to the logical relation analyzer then.Subsequent module is all only handled grammatical part.
The logical relation analyzer is used for the content of the program part that satisfies grammar request is carried out the logical relation analysis, obtains the qualifications information of input parameter, outputs to test data generating.Qualifications wherein can be variable declarations condition, Rule of judgment, restrictive condition, cycling condition etc., relevant information comprises the affiliated object of condition, this object can be that (" function " herein is meant sensu lato program code that is used for input value is carried out certain computing to function, in different language, has different titles, as also being called " class ", " method " etc.), file or project etc., this information has also embodied the relevance between the condition, and whether promptly a plurality of conditions are in same function, file or project.Concrete analytical approach will elaborate on stream again, no longer repeats here.
Test data generating, the qualifications information that is used for input parameter generates test data, outputs to the test data clasfficiator.As: use the equivalence class analytic approach to generate test data effective and invalid under this condition according to the statement of variable; Use the boundary value analysis method to generate test data effective and invalid under this condition according to decision condition and restrictive condition; Or the like.Whether the test data of an input parameter is effective, need judge according to its all relevant qualificationss, and promptly all be that active data is just thought effectively under all qualificationss.
The test data clasfficiator, be used for after obtaining concrete test data, determine relevance (as whether belonging to function, file or a project etc. together) between the test data according to object under the test data respective conditions, test data is carried out associative combination, output to test data report device.
Test data report device, the form that is used in accordance with regulations outputs test data, and is here the test data classification is exported.The rank of test data can be one or more in function level, file-level and the project level, it can be unit output with the function during output and the test data of certain or a plurality of functional dependences, also can be unit output with the file and certain or the relevant test data of a plurality of file, also can be unit output with the project and certain or the relevant test data of a plurality of project, perhaps the combination in any of several modes outputs test data more than the employing.
Above-mentioned syntax analyzer and test data clasfficiator are optionally, because the program of test may have been passed through grammatical analysis.In addition, the user may only test function, file or project and only need will other test data of this level, promptly need not classification.Especially, when only some function utilization said methods being generated test data, can not write down the affiliated object of qualifications.In like manner, the grammatical analysis below in the flow process and also be optional to the classification of test data.
Fig. 2 shows the flow process of the generation method of present embodiment test data set, as shown in the figure, may further comprise the steps:
S110 reads the source files of program of input;
Can select to read the single source program file, the independent of test data that carries out in the file generates; Also can select to read a multiple source program file in the project, carry out the generation of the test data between file, be convenient to generate the test data of project level when reading a plurality of file simultaneously.
S120 carries out grammatical analysis to source files of program, filters out the program part that satisfies grammar request;
So only there is the part that does not meet grammer in the permission program, be in order to satisfy program and also not write, the situation (to program, grammaticalness is other requirement of lowermost level) of just carrying out the test data generation with this instrument.
S130 carries out the logical relation analysis, the qualifications information of the input parameter that obtains comprising in the program to the content of the program part that satisfies grammar request;
At first, identify qualifications relevant in the program, comprise one or combination in any in variable declarations condition, Rule of judgment, restrictive condition, cycling condition and other condition with input parameter.Wherein restrictive condition can be that the possible value of input parameter is as enumerating etc.;
Then, the qualifications information of record input parameter, as can creating a qualifications information list, each of this tabulation comprises under condition type, conditional content and the condition information such as object, and affiliated object can be one or more in function, affiliated file, the affiliated project.This information has also embodied the relevance between the condition.In addition, can also comprise the execution sequence information of condition in every, generally be to be unit with a function, promptly writes down the execution sequence of this condition in affiliated function.
S140, the qualifications of the input parameter that obtains according to analysis generates test data, can generate effective and invalid test data simultaneously;
For the variable declarations condition, can use the equivalence class analytic approach to generate test data effective and invalid under this condition according to the statement of variable.
For example, if the statement as: int x;
Effectively equivalence class is exactly: " 1 "; " 1 "
Invalid equivalence class is exactly: " abA ", and " Chinese character ", ".，”……
For Rule of judgment, can use the boundary value analysis method generate test data effective and invalid under this condition according to the content of judging, for the user with reference to use.
For example, if Rule of judgment is if ((x＞=1) ﹠amp; ﹠amp; (y==8))
Effective edge dividing value: x: " 1 "; " 2 " y: " 8 "
Invalid edges dividing value: x: " 0 "; Y: " 7 ", " 9 "
For restrictive condition, can use the boundary value analysis method to generate test data effective and invalid under this condition according to the content of restriction.
For example, if the value that restrictive condition is x can be got is 1,2,3
Effective edge dividing value: x: " 1 "; " 2 "; " 3 "
Invalid edges dividing value: x: " 0 "; " 4 "
For cycling condition, the Rule of judgment that can comprise according to circulation generates test data effective and invalid under this condition by the same way as of above-mentioned Rule of judgment.
Same input parameter may be relevant with a plurality of qualificationss as top x, can generate one group of test data according to each qualifications, the a certain test data of an input parameter only all effectively the time, thinks that just this test data is effective under its all relevant qualificationss.These test datas can be used when test one by one, comprehensively to test.
S150 determines relevance between the test data according to object under the test data respective conditions, and the test data that generates is carried out associative combination, and classification outputs test data.
Is that unit carries out the combination of test data logical relation with the function, test data that can the output function level; Is that unit carries out the combination of test data logical relation with the source files of program, test data that can the output file level; With the project that comprises a plurality of files is the logical relation combination that unit carries out test data, can export the test data of project level.Promptly the test data of Sheng Chenging can three kinds of modes embody: first kind is the test data set of method level; Second kind is the test data set of file-level; The third is the test data set of project level.
This three kinds of test data set have been arranged, and the software developer carries out the program function test with emphasis to the test data of function level and file-level; The software test personnel use the test data of project level to carry out the item-function test at emphasis.
Claims (12)
1. one kind generates the method for test data set automatically according to contents of program, it is characterized in that, may further comprise the steps:
(a) read the source files of program of input;
(b) content of program is carried out the logical relation analysis, the qualifications of the input parameter that is wherein comprised;
(c) generate test data and output according to described qualifications.
2. the method for claim 1 is characterized in that:
Step (a) is also carried out grammatical analysis to source files of program after reading the source files of program of input, filter out the program part that satisfies grammar request;
In the step (b) only the content to the program part that satisfies grammar request carry out the logical relation analysis.
3. method as claimed in claim 1 or 2 is characterized in that:
In the step (b), identify qualifications relevant with input parameter in the program and write down its type and content, described qualifications comprises or combination in any in variable declarations condition, Rule of judgment, restrictive condition, the cycling condition.
4. method as claimed in claim 3 is characterized in that: in the step (c), adopt in the following analytic approach one or more:
For the variable declarations condition, use the equivalence class analytic approach to generate test data effective and invalid under this condition.
Part or all of condition in the Rule of judgment that comprises for Rule of judgment, restrictive condition and cycling condition uses the boundary value analysis method to generate test data effective and invalid under this condition;
The a certain test data of an input parameter only all effectively the time, thinks that just this test data is effective under its all relevant qualificationss.
5. method as claimed in claim 3 is characterized in that:
In the step (b), also write down the affiliated object of each qualifications that obtains simultaneously;
Determine relevance between each condition according to object under the test data respective conditions in the step (c), the test data that generates is carried out exporting after the associative combination.
6. method as claimed in claim 5 is characterized in that:
The respective conditions of record is affiliated to liking a kind of or combination in any in function, file and the project in the step (b);
When step (c) is carried out associative combination and output to the test data that generates, in one or more in the following ways:
With the function is that unit carries out the combination of test data logical relation, the test data of output function level;
With the file is that unit carries out the combination of test data logical relation, the test data of output file level;
With the project is that unit carries out the combination of test data logical relation, the test data of output project level.
7. method as claimed in claim 5 is characterized in that:
In the step (b), also write down affiliated function and the execution sequence in affiliated function thereof of each qualifications that obtains.
8. one kind generates the device of test data set automatically according to contents of program, it is characterized in that, comprises the document reader, logical relation analyzer, test data generating and the test data report device that connect successively, wherein:
Described document reader is used to read source files of program and the output that needs generate test data;
Described logical relation analyzer is used for the contents of program that reads is carried out the logical relation analysis, and the qualifications of the input parameter that is wherein comprised outputs to described test data generating;
Described test data generating is used for generating test data according to described qualifications;
Described test data report device is used for the test data that form output in accordance with regulations generates.
9. device as claimed in claim 8 is characterized in that:
Also comprise syntax analyzer, be used to receive the source files of program of described document reader output, source files of program is carried out grammatical analysis, filter out the program part that satisfies grammar request and output to described logical relation analyzer;
Described logical relation analyzer only carries out the logical relation analysis to the content of the program part that satisfies grammar request.
10. install as claimed in claim 8 or 9, it is characterized in that:
When described logical relation analyzer carries out the logical relation analysis, identify qualifications relevant with input parameter in the program and write down its type and content, described qualifications comprises or combination in any in variable declarations condition, Rule of judgment, restrictive condition, the cycling condition.
11. device as claimed in claim 10 is characterized in that:
Described test data generating uses the equivalence class analytic approach to generate test data effective and invalid under this condition for the variable declarations condition when generating test data; And/or, use the boundary value analysis method to generate test data effective and invalid under this condition for the Rule of judgment that comprises in Rule of judgment, restrictive condition or the cycling condition;
The a certain test data of an input parameter only all effectively the time, thinks that just this test data is effective under its all relevant qualificationss.
12., it is characterized in that as claim 8,9 or 11 described devices: also comprise the test data clasfficiator,
When described logical relation analyzer carries out the logical relation analysis, also write down the affiliated object of each qualifications that obtains simultaneously, comprise a kind of or combination in any in function, file and the project;
Described test data clasfficiator, be used for determining relevance between each condition according to object under the test data respective conditions, with in function, file and the project one or more is that unit carries out the combination of test data logical relation, outputs to described test data report device;
In described test data report device output function level, file-level and the project level test data one or more.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101539766B (en) * | 2009-04-14 | 2011-06-15 | 浙江中控技术股份有限公司 | Program debugging method and device thereof |
| CN102566562A (en) * | 2010-12-07 | 2012-07-11 | 镇江灵芯软件实验室有限公司 | Automatic test method for PLC (Programmable Logic Controller) program |
| CN103049382A (en) * | 2012-12-27 | 2013-04-17 | 中国建设银行股份有限公司 | Method and device for generating test cases used for software module testing |
| CN103530223A (en) * | 2012-07-06 | 2014-01-22 | 百度在线网络技术（北京）有限公司 | Method and device for automatically generating unit test cases |
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| CN104360940A (en) * | 2014-10-31 | 2015-02-18 | 北京交控科技有限公司 | DSU (Data Service Unit) test method and device |
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| CN106294130A (en) * | 2016-07-28 | 2017-01-04 | 浪潮电子信息产业股份有限公司 | A kind of unit test method and device |
| CN107239392A (en) * | 2016-03-29 | 2017-10-10 | 腾讯科技（深圳）有限公司 | A kind of method of testing, device and terminal |
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| CN101539766B (en) * | 2009-04-14 | 2011-06-15 | 浙江中控技术股份有限公司 | Program debugging method and device thereof |
| CN102566562A (en) * | 2010-12-07 | 2012-07-11 | 镇江灵芯软件实验室有限公司 | Automatic test method for PLC (Programmable Logic Controller) program |
| CN103530223A (en) * | 2012-07-06 | 2014-01-22 | 百度在线网络技术（北京）有限公司 | Method and device for automatically generating unit test cases |
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| CN103049382B (en) * | 2012-12-27 | 2015-08-05 | 中国建设银行股份有限公司 | For test cases generation method and the device of software module testing |
| CN103744781B (en) * | 2013-12-27 | 2016-05-18 | 北京交控科技股份有限公司 | A kind of method of testing of interlocking software and test macro |
| CN103744781A (en) * | 2013-12-27 | 2014-04-23 | 北京交控科技有限公司 | Test method and test system for interlocking software |
| CN104360940A (en) * | 2014-10-31 | 2015-02-18 | 北京交控科技有限公司 | DSU (Data Service Unit) test method and device |
| CN104461565B (en) * | 2014-12-25 | 2018-02-13 | 索尔思光电（成都）有限公司 | A kind of optical module test parameter collocation method and system |
| CN104461565A (en) * | 2014-12-25 | 2015-03-25 | 索尔思光电（成都）有限公司 | Optical module testing parameter configuration method and system |
| CN105468514A (en) * | 2015-01-29 | 2016-04-06 | 深圳Tcl数字技术有限公司 | Data combination based test method and apparatus |
| CN105468514B (en) * | 2015-01-29 | 2019-04-16 | 深圳Tcl数字技术有限公司 | Test method and device based on data combination |
| CN107239392A (en) * | 2016-03-29 | 2017-10-10 | 腾讯科技（深圳）有限公司 | A kind of method of testing, device and terminal |
| CN106294130A (en) * | 2016-07-28 | 2017-01-04 | 浪潮电子信息产业股份有限公司 | A kind of unit test method and device |
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| CN100561445C (en) | 2009-11-18 |
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