CN102043720A - Method and device for generating test data automatically by utilizing structured query language (SQL) sentences - Google Patents
Method and device for generating test data automatically by utilizing structured query language (SQL) sentences Download PDFInfo
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Abstract
The embodiment of the invention discloses a method and device for generating test data automatically by utilizing structured query language (SQL) sentences, relating to the field of program test. The invention can effectively guarantee the comprehensiveness of the test data, save human resources and improve the efficiency. The method comprises the following steps: reading input software to be tested, and acquiring the SQL sentences in the software to be tested; and generating the test data according to the limited conditions in the SQL sentences. The invention is mainly applied in generation of the test data in the software test process.
Description
Technical field
The present invention relates to program test, relate in particular to and utilize SQL statement to generate the method and apparatus of test data automatically.
Background technology
In software systems based on database, be the key function point of whole software system at the function point of database manipulation, therefore,, can directly influence the robustness of software systems based on the correctness of SQL statement in the software systems of database.So to extremely important based on the test of the SQL statement in the software systems of database.
When SQL statement is tested, normally there is not True Data, and the SQL statement test is a very loaded down with trivial details process, lacking under the authentic testing data cases that can fully expose design defect, cause a large amount of problems in test process, to be found, some problem will be in case after escaping away, the consequence of bringing will be catastrophic.
At present, test at the SQL statement function point, the tester relies on the understanding based on the software system function demand of database, and the own design test data of tester are tested, still, because the difference of tester's quality and technical ability, only rely on the tester to generate test data by hand, can not guarantee that test data is comprehensive, and along with the propelling of testing progress, test data constantly increases, the waste of manpower resource.
Summary of the invention
Embodiments of the invention provide a kind of method and apparatus that utilizes SQL statement to generate test data automatically, can guarantee effectively that test data is comprehensive, and save human resources, raise the efficiency.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of method of utilizing SQL statement to generate test data automatically comprises:
Read the software to be tested of input, obtain the SQL statement in the described software to be tested;
Generate test data according to the qualifications in the described SQL statement.
A kind of device that utilizes SQL statement to generate test data automatically comprises:
Acquiring unit is used to read the software to be tested of input, obtains the SQL statement in the described software to be tested;
Generation unit is used for generating test data according to the qualifications of described SQL statement.
The SQL statement of utilizing that the embodiment of the invention provides generates the method and apparatus of test data automatically, by the operation computer program, according to the SQL statement in the software under testing, finish generation based on the test data of the software systems of database, can guarantee effectively that test data is comprehensive, and the saving human resources are raised the efficiency.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 generates the method flow diagram of test data automatically for the SQL statement of utilizing that the embodiment of the invention provides;
The improved method flow diagram that utilizes SQL statement to generate test data automatically that Fig. 2 provides for the embodiment of the invention;
Fig. 3 generates the structure drawing of device of test data automatically for the SQL statement of utilizing that the embodiment of the invention provides;
The improved structure drawing of device that utilizes SQL statement to generate test data automatically that Fig. 4 provides for the embodiment of the invention;
Fig. 5 is the corresponding relation between qualifications and the described test data in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of method of utilizing SQL statement to generate test data automatically, as shown in Figure 1, may further comprise the steps:
101, read the software to be tested of input, obtain the SQL statement in the described software to be tested.
In order to realize the generation of automatic test data, at first, read the software to be tested of input, and, obtain the SQL statement in the described software to be tested.
102, generate test data according to the qualifications in the described SQL statement.
After having obtained the SQL statement in the software under testing, generate test data according to the qualifications in the described SQL statement.
The SQL statement of utilizing that present embodiment provides generates the method for test data automatically, by the operation computer program, according to the SQL statement in the software under testing, finish generation based on the test data of the software systems of database, can guarantee effectively that test data is comprehensive, and the saving human resources are raised the efficiency.
As a kind of improvement of present embodiment, the embodiment of the invention provides another kind to utilize SQL statement to generate the method for test data automatically, as shown in Figure 2, may further comprise the steps:
201, read the software to be tested of input, obtain the SQL statement in the described software to be tested.
In order to realize the generation of automatic test data, at first, read the software to be tested of input, and, obtain the SQL statement in the described software to be tested.
Concrete, this step can for: travel through software to be detected, from this software to be detected, collect all SQL statement.
The major function of this step is all code lines in the traversal software program to be detected, and requiring by the coverage rate of traversal statement is 100%, and collects and the arrangement SQL statement according to keyword.Detailed process flow process following steps:
The first step, all program codes that travel through software to be detected are capable.
Start that present embodiment provides utilize SQL statement to generate the method for test data automatically before, operating personnel need set in advance tested program place catalogue and generate the starting point of the method traversal of test data automatically as the SQL statement of utilizing that present embodiment provides.
Start to start that present embodiment provides utilize SQL statement to generate the method for test data automatically after, the method for utilizing SQL statement to generate test data automatically that present embodiment provides can remove to travel through all code lines according to the rule of preorder traversal (DLR) automatically.
In second step, from software program code to be detected is capable, collect all SQL statement.
SQL statement has its specific syntax rule and keyword, utilizes specific syntax rule of SQL statement and keyword to the software program code to be detected lang method analysis of advancing, and collects all SQL statement.Form a SQL statement set.For example: S={s1, s2 ..., si ..., sn}, wherein, S represents the set of SQL statement in the software systems to be detected, sn represents each SQL statement element.
Obtain SQL statement in the described software to be tested according to the syntax rule of described SQL statement and keyword.
202, analyze described SQL statement, from described SQL statement, obtain described qualifications.
Major function is all possible value that is used for analyzing each qualifications of SQL set in this step.At first from SQL statement, obtain described qualifications expression formula, and the qualifications expression formula that gets access to is converted to the insert script sentence.This insert script sentence is as the Back ground Information that obtains qualifications.
203, generate test data according to the qualifications in the described SQL statement.
After having obtained the SQL statement in the software under testing, generate test data according to the qualifications in the described SQL statement.
According to the insert script sentence of the band numbering of storing in the pick-up unit, handle and move this insert script sentence, generate the test data that meets test request.
Specifically can may further comprise the steps:
The first step is obtained the expression formula of described qualifications from SQL statement.
Concrete, according to the SQL statement set that generates, analyze each SQL statement one by one, the qualifications that obtains in the SQL statement to be comprised.
By above-mentioned processing, the final set that generates a conditional expression of each SQL statement, as follows:
Ci={c1, c2 ..., cj ... cn}, wherein, Ci represents the qualifications that obtained by SQL statement si, and whole set of all possibility qualificationss of being derived out by each qualifications.Cj represents one of them qualifications, a SQL statement si among the corresponding S of one or more qualificationss (1 to n condition).
Qualifications in the present embodiment and the many-one relationship between the SQL statement are convenient to inquire about and are expected the output position of incongruent qualifications in software program code section to be detected, can date back to the defective locations of program faster, more accurately.
Second step generated test data, just the qualifications in the first step all was converted to the concrete numerical value of insert statement, formed the test data that meets test request.
As an embodiment of the present embodiment, can adopt boundary value analysis method, equivalent partition analytic approach and the wrong analytic approach of recommending to analyze described qualifications generation test data.Specifically may further comprise the steps:
1. employing boundary value analysis method generates the Validity Test data under this qualifications;
2. employing equivalent partition analytic approach generates the Validity Test data under this qualifications;
3. the wrong recommendation of employing analytic approach generates the invalid test data under this qualifications.
Illustrate the method that generates test data in the present embodiment according to qualifications below:
Such as, the qualifications cj that gets access to from software program code section to be detected is: short a＞10, and the step that generates test data is:
At first, determine the span of variable a in the qualifications, as can be seen, qualifications a belongs to the short type from this qualifications, i.e. short numerical value, and its span is between [32768,32767].
Combine with condition a＞10 again, the legal span that can draw a be a ∈ (10,32767], and then draw boundary value, as 9,10,32766,32767,32768 etc., as for the value of getting next door, what borders, can regulate according to configuration file.
After having determined boundary value, can in the span that this border limits, obtain some data at random, as for getting what each and every one data, can regulate according to configuration file.
After having determined boundary value, can outside the span that this border limits, obtain some numerical value, promptly get some unusual numerical value, such as 65535,165535,0 ,-9 etc., as for getting what unusual numerical value, can regulate according to configuration file.
By aforesaid operations, can draw a large amount of legal and illegal data.Can be expressed as:
Vj={v1, v2 ..., vk ..., vn}, wherein, Vj represents the set by the test data occurrence of qualifications cj generation.
By above-mentioned analysis and the process that generates test data as can be seen, each bar test data can date back to corresponding SQL statement very easily,
204, the corresponding relation between described qualifications of record and the described test data.
As shown in Figure 5, be the corresponding relation between qualifications in the embodiment of the invention and the described test data.For can be after the mistake in detecting software to be detected, easily and fast find Error Location in this software program code to be detected, need the corresponding relation between described qualifications of record and the described test data.
205, the test data that generates is applied to software to be detected, carries out the SQL statement that has collected, generate test result.
206, call rooter, generate test report.The detailed process flow process is as follows:
Rooter in the calling device test result and expected results are compared, and there is wrong SQL statement id in output.Expected results can be by Specification and the refinement of detailed design instructions.
In this step, result and the expected results that generates compared.And inconsistent test result is screened, directly corresponds to the id of concrete test data values,, correspond to the id of qualifications according to the id of concrete test data values, navigate to the position of program code segments in the concrete SQL statement at last.Because each output is produced by input, and the corresponding source program SQL statement condition of each this difference of input pin, this condition has been stamped the id sign, goes so the output of each program can be traced back in the source program SQL statement condition by id, final finder defective.
The SQL statement of utilizing that present embodiment provides generates the method for test data automatically, by the operation computer program, according to the SQL statement in the software under testing, finish generation based on the test data of the software systems of database, can guarantee effectively that test data is comprehensive, and the saving human resources are raised the efficiency.
The embodiment of the invention is for the system that contains a large amount of SQL statement in those software programs, and the correctness of systemic-function point often concentrates on the program SQL statement correctness.So,, can be program function practice process preferably to the checking of SQL statement.Imagination once, the process of working procedure simultaneously also is a process of carrying out SQL statement.The data of SQL statement condition just can be handled by sequential operation by SQL statement in only being in order, and the result of output just can be consistent with expection.Otherwise, do not meet those data of SQL statement condition in the program, be should do not chosen computing by system, can not obtain yet and expect the result that output is identical.Otherwise the program SQL statement is defective.Certainly, we judge which data is obtain expection output, are to depend on the correct function of describing in the requirement documents to realize forever.At this point, our tester can be a starting point with the program SQL statement, the SQL statement of complexity is converted to fully the script sentence of generation test data.As long as filled up these data in the storehouse at SQL statement, the tested program of reruning, relatively expected results if any unexpected output, just can have been oriented program SQL statement defective.
The embodiment of the invention provides a kind of device that utilizes SQL statement to generate test data automatically, as shown in Figure 3, comprising: acquiring unit 31, generation unit 32.
Wherein, acquiring unit 31 is used to read the software to be tested of input, obtains the SQL statement in the described software to be tested; Generation unit 32 is used for generating test data according to the qualifications of described SQL statement.
The SQL statement of utilizing that present embodiment provides generates the device of test data automatically, by the operation computer program, according to the SQL statement in the software under testing, finish generation based on the test data of the software systems of database, can guarantee effectively that test data is comprehensive, and the saving human resources are raised the efficiency.
As a kind of improvement of present embodiment, the embodiment of the invention provides another kind to utilize SQL statement to generate the device of test data automatically, as shown in Figure 4, comprising: acquiring unit 41, analytic unit 42, generation unit 43, record cell 44.
Wherein, generation unit 43 comprises: first generation module 431, second generation module the 432, the 3rd generate module 433.
Acquiring unit 41 is used for obtaining according to the syntax rule of described SQL statement and keyword the SQL statement of described software to be tested;
Second generation module is used to adopt the equivalent partition analytic approach to generate Validity Test data under this qualifications;
The 3rd generates module, is used to adopt the wrong analytic approach of recommending to generate invalid test data under this qualifications.
The SQL statement of utilizing that present embodiment provides generates the device of test data automatically, by the operation computer program, according to the SQL statement in the software under testing, finish generation based on the test data of the software systems of database, can guarantee effectively that test data is comprehensive, and the saving human resources are raised the efficiency.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better embodiment under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computing machine, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection domain with claim.
Claims (10)
1. a method of utilizing SQL statement to generate test data automatically is characterized in that, comprising:
Read the software to be tested of input, obtain the SQL statement in the described software to be tested;
Generate test data according to the qualifications in the described SQL statement.
2. the method for utilizing SQL statement to generate test data automatically according to claim 1 is characterized in that, described generate test data according to the qualifications in the described SQL statement before, described method also comprises:
Analyze described SQL statement, from described SQL statement, obtain described qualifications;
Describedly generate test data according to the qualifications in the described SQL statement and be: adopt boundary value analysis method, equivalent partition analytic approach and wrongly recommend analytic approach to analyze described qualifications to generate test data.
3. the method for utilizing SQL statement to generate test data automatically according to claim 2, it is characterized in that the described SQL statement of obtaining in the described software to be tested is: obtain SQL statement in the described software to be tested according to the syntax rule of described SQL statement and keyword.
4. according to each described method of utilizing SQL statement to generate test data automatically of claim 1 to 3, it is characterized in that described method also comprises:
Write down the corresponding relation between described qualifications and the described test data.
5. the method for utilizing SQL statement to generate test data automatically according to claim 2 is characterized in that, described employing boundary value analysis method, equivalent partition analytic approach and wrong recommendation analytic approach are analyzed described qualifications generation test data and comprised:
Employing boundary value analysis method generates the Validity Test data under this qualifications;
Employing equivalent partition analytic approach generates the Validity Test data under this qualifications;
The wrong recommendation of employing analytic approach generates the invalid test data under this qualifications.
6. a device that utilizes SQL statement to generate test data automatically is characterized in that, comprising:
Acquiring unit is used to read the software to be tested of input, obtains the SQL statement in the described software to be tested;
Generation unit is used for generating test data according to the qualifications of described SQL statement.
7. the device that utilizes SQL statement to generate test data automatically according to claim 6 is characterized in that, the described device that utilizes SQL statement to generate test data automatically also comprises:
Analytic unit is used to analyze described SQL statement, obtains described qualifications from described SQL statement;
Described generation unit generates test data according to the qualifications in the described SQL statement: described generation unit adopts boundary value analysis method, equivalent partition analytic approach and the wrong analytic approach of recommending to analyze described qualifications generation test data.
8. the device that utilizes SQL statement to generate test data automatically according to claim 7, it is characterized in that the SQL statement that described acquiring unit obtains in the described software to be tested is: described acquiring unit obtains SQL statement in the described software to be tested according to the syntax rule of described SQL statement and keyword.
9. according to each described device that utilizes SQL statement to generate test data automatically of claim 6 to 8, it is characterized in that the described device that utilizes SQL statement to generate test data automatically also comprises:
Record cell is used to write down the corresponding relation between described qualifications and the described test data.
10. the method for utilizing SQL statement to generate test data automatically according to claim 7 is characterized in that, described generation unit comprises:
First generation module is used to adopt the boundary value analysis method to generate Validity Test data under this qualifications;
Second generation module is used to adopt the equivalent partition analytic approach to generate Validity Test data under this qualifications;
The 3rd generates module, is used to adopt the wrong analytic approach of recommending to generate invalid test data under this qualifications.
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| CN113760734A (en) * | 2021-02-02 | 2021-12-07 | 北京沃东天骏信息技术有限公司 | Data preparation method and device, equipment and storage medium |
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| CN107943694A (en) * | 2017-11-21 | 2018-04-20 | 中国农业银行股份有限公司 | A kind of test data generating method and device |
| CN107943694B (en) * | 2017-11-21 | 2021-01-05 | 中国农业银行股份有限公司 | Test data generation method and device |
| CN113760734A (en) * | 2021-02-02 | 2021-12-07 | 北京沃东天骏信息技术有限公司 | Data preparation method and device, equipment and storage medium |
| CN118427110A (en) * | 2024-07-05 | 2024-08-02 | 江苏华库数据技术有限公司 | Test data generation method based on database query statement |
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Application publication date: 20110504 |