CN105227411A - The method of test interface, network agent and system - Google Patents
The method of test interface, network agent and system Download PDFInfo
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- CN105227411A CN105227411A CN201510782872.2A CN201510782872A CN105227411A CN 105227411 A CN105227411 A CN 105227411A CN 201510782872 A CN201510782872 A CN 201510782872A CN 105227411 A CN105227411 A CN 105227411A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L43/00—Arrangements for monitoring or testing data switching networks
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Abstract
In order to solve the problem that interface testing is dumb and efficiency is not high, the invention provides the method for test interface.The method performs by tested interface with the network agent that tested Interference fit carries out being connected between the calling interface tested, and the return data comprised returning described tested interface from described calling interface processes to generate test data; The test data generated is forwarded to described tested interface; And observe and record described tested interface to the process of described test data.Additionally provide corresponding network agent and system.The method, network agent and system solve the problem that prior art interface testing is dumb and efficiency is not high.
Description
Technical field
The present invention relates to testing of equipment field, and relate to a kind of method of test interface, network agent and system particularly.
Background technology
In networking products, usually comprise multiple assembly, each assembly is deployed in system background with the form of service module usually.There is interface in background service module and foreground, also there is interface between service module, and the agreement between interface and method of calling are diversified.In the product test stage, need to carry out functional test to communication interface.
The method of testing of usual employing is a piling method of testing, and the service at the method docking port two ends is tested respectively.Owing to adhering to different service modules separately, test job may be undertaken by different product test team.And at uniting and adjustment test phase afterwards, need both sides to coordinate when revising interface data and debug, make testing efficiency low.Fuzz for interface tests, and opposite end service is also difficult to construct abnormal data.Particularly when calling third party's interface, cannot test by docking port fully.In addition, due to the uniqueness of interface self, interface testing instrument usually also not portable multiplexing.
Therefore, need to provide a kind of flexible and efficient interface testing scheme.
Summary of the invention
As mentioned above, a kind of interface test method that can alleviate or solve the problem and equipment is needed.
According to a scheme of the present invention, provide a kind of method for test interface, described method performs by tested interface with the network agent that tested Interference fit carries out being connected between the calling interface tested, and described method comprises: process to generate test data to the return data returning described tested interface from described calling interface; The test data generated is forwarded to described tested interface; And observe and record described tested interface to the process of described test data.
According to another aspect of the present invention, provide a kind of network agent for test interface, wherein, described network agent be connected to tested interface and and tested Interference fit carry out between the calling interface of interface testing, described network agent comprises: protocol entity data modification unit, for processing to generate test data to the return data returning described tested interface from described calling interface; And interface testing instrument, for forwarding to described tested interface the test data generated, and observe and record described tested interface to the process of described test data.
According to another aspect of the present invention, provide a kind of system for test interface, comprising: tested interface; The calling interface of interface testing is carried out with described tested Interference fit; And above-mentioned network agent
The above-mentioned method of network interface being tested based on agent way that the embodiment of the present invention proposes, by to Package capture, process and forwarding, can configuration agent functionality neatly, to meet the demand of distinct interface, improve versatility and also make test become efficient.
Accompanying drawing explanation
By the detailed description of carrying out invention below in conjunction with accompanying drawing, above-mentioned feature and advantage of the present invention will be made more obvious, wherein:
Fig. 1 is the schematic diagram of interface test system according to an embodiment of the invention;
Fig. 2 illustrates according to an embodiment of the invention for the schematic flow diagram of the method for test interface;
Fig. 3 is the schematic flow diagram of the concrete operations that protocol analysis is according to an embodiment of the invention shown; And
Fig. 4 is the schematic flow diagram that automatic regression test method is according to an embodiment of the invention shown.
Embodiment
Below, the preferred embodiment of the present invention is described in detail with reference to accompanying drawing.In the accompanying drawings, although be shown in different accompanying drawings, identical Reference numeral is for representing identical or similar assembly.For clarity and conciseness, will be omitted the detailed description of known function and structure, to avoid making theme of the present invention unclear.
Fig. 1 shows the schematic diagram of interface test system according to an embodiment of the invention.As shown in fig. 1, this system comprises tested interface 110, coordinates the calling interface 120 and network agent to be described in detail below 130 that carry out interface testing with tested interface 110.
In the embodiment shown in fig. 1, network agent 130 is connected between tested interface 110 and calling interface 120, and comprises interface testing instrument 132 and protocol entity data modification unit 136.Protocol entity data modification unit 136 is for processing to generate test data to the return data returning tested interface 110 from calling interface 120.The process of tested interface 110 pairs of test datas is observed and recorded to interface testing instrument 132 for forwarding the test data generated to tested interface 110, and.
As shown in fig. 1, the normal network communications of non-test purposes can be there is between tested interface 110 and calling interface 120.This normal network communications can without the network agent in the embodiment of the present invention.
But when testing, the data for testing being sent from tested interface 110 to calling interface 120, when calling interface 120 receives these data, producing above-mentioned return data.In certain embodiments, the data meeting approach network agent sent from tested interface 110 to calling interface 120 (particularly, such as, interface testing instrument 132 in network agent), but network agent 130 (such as interface testing instrument 132) is not wherein modified to these data.And in further embodiments, due to without the need to amendment, these data send also can not approach network agent 130.Fig. 1 shows latter event, and in order to make illustrative simplicity and easy to understand, in Fig. 1, the not shown data that this is used for testing are from tested interface 110 to the transmission of calling interface 120.
The process of above-mentioned protocol entity data modification unit 136 comprises modifies to protocol entity data, interface testing is carried out in the mode of data-driven, namely by sending different pieces of information (such as, abnormal data) to tested interface 110 and observing tested interface 110 to the process of these different pieces of informations to test the properties of tested interface 110.When testing, tested interface 110 can the IP address of modifying target service and port as client, to be configured to IP address that testing tool 132 monitors and port.This amendment can be performed by tested interface place equipment, also can be performed by interface testing instrument, or can be performed by other any relevant equipment, and the present invention does not limit this.This external this, without the need to making any change to calling interface 120.
As known in the art, communication protocol (as http etc.) comprises protocol header and protocol entity two parts, and the former ensures that communication is normally carried out usually, and the latter represents concrete Content of Communication.Therefore protocol entity data used herein are also sometimes referred to as the data division of agreement.
In some examples can implementing the embodiment of the present invention, such as website needs to call the data-interface that third party provides, and adopts the mode of json expressly character string to transmit in invoked procedure.When testing website interface, need the data to exceeding critical value to test, and third party's interface cannot the such test data of arteface.The method that the present embodiment now can be adopted to provide intercepts and captures clear data bag, and it directly can be revised as any number, then is transmitted to tested interface, observes the handling process of tested interface.
Above-mentioned example adopts the mode of json plaintext character string to transmit data, but in some other example, interface communication does not directly use tcp data expressly, but the various ways such as http agreement, snmp agreement, ssh agreement can be adopted, or labyrinth serializing is sent, forms proprietary protocol body.Given this, as shown in Figure 1, network agent 130 also comprises interface protocol resolution unit 134, for resolving the agreement used between tested interface 110 and calling interface 120 before Update Table.
Because a network interface adopts a kind of fixed protocol to communicate usually, therefore need before testing to configure the protocol architecture used.Particularly, for common protocol, resolve according to inherent structure; For proprietary protocol, first dynamic load protocol architecture body, then unserializing is carried out to this protocol architecture body.Protocol architecture body adopts " .h " file configuration usually, can carry out dynamic call when testing tool 130 runs according to user-selected agreement.
In some other embodiment of the present invention, the backup of test scene and the regression test of interface can also be realized.In these embodiments, as shown in Figure 1, network agent 130 also can comprise contextual data backup units 138, for backup test scene.In the case, interface testing instrument 132 can utilize backed up test scene to carry out automatic regression test.
Particularly, contextual data backup units 138 can back up following at least one item:
From the return data (can be used as the key value for Auto-matching message) that calling interface 120 receives
The agreement that communication between tested interface 110 and calling interface 120 uses
Return data is revised and the test data (may for multiple value, the mode of json character string can be adopted to store) that generates by protocol entity data modification unit 136
In some instances, test data also can be edited in advance.In the case, the network agent 130 shown in Fig. 1 can comprise configuration file (not shown).Can be kept at needing the numerical value of traversal in configuration file as test data.When repeatedly performing the communication of same interface, corresponding test scene is selected and test scene selected by application in the test scene that the return data that calling interface 120 can return by interface testing instrument 130 backs up as keyword at scene data backup unit 138, and automatic sequence ground uses the test number of preserving in configuration file to be used as the test data forwarded to tested interface 110, to realize the test of interface ergodic and Fuzz test.
By using the test of above-mentioned network agent executive's interface, tester can direct configuration surroundings, the test of execution data-driven.The program, without the need to many people uniting and adjustment structure interface data, has been saved manpower and has improved efficiency.When using interface protocol resolution unit 134, the program also has stronger versatility, can resolve the standard agreement on transport layer and nonstandard protocol and construct test data, to realize interface protocol test.And when use scenes data backup unit 138, the test scene after backup can repeat, again need not purchase and make test data, save manpower, improve regression test efficiency.
The brief configuration of network agent that above reference diagram 1 describes interface test system according to an embodiment of the invention and wherein uses.It should be noted that this brief configuration is only the example arrangement made to set forth the solution of the present invention, the solution of the present invention is not limited to the structure shown in Fig. 1.Such as, other assembly and/or test interface in this structure, can also be there is, as Database Systems, redis system, zookeeper, other websevice etc.Such as, the unit in this structure also can be realized by more or less assembly, as interface protocol resolution unit 134 and protocol entity data modification unit 136 can realize in same assembly.Or even in some cases, one or more in interface protocol resolution unit 134, protocol entity data modification unit 136 and contextual data backup units 138 are merged in interface testing instrument 132.Now interface testing instrument 132 is equivalent to the network agent 130 in above-described embodiment.In some instances, one or more in interface protocol resolution unit 134, protocol entity data modification unit 136 and contextual data backup units 138 can be incorporated to interface testing instrument 132 by the mode of detachable module.
The flow chart of interface test method is according to an embodiment of the invention described below with reference to Fig. 2.Fig. 2 shows a kind of outline flowchart of the method for test interface.The method is performed by above-mentioned network agent 130.
As shown in Figure 2, in step 210, such as processed to generate test data to the return data returning tested interface 110 from calling interface 120 by protocol entity data modification unit 136.
In a step 220, such as generated test data is forwarded by interface testing instrument 132 to tested interface 110.
In step 230, such as observed and recorded the process of tested interface 110 pairs of test datas by interface testing instrument 132.
In some instances, process return data comprises modifies to protocol entity data, carries out interface testing in the mode of data-driven.When testing, tested interface 110 can the IP address of modifying target service and port as client, is configured as IP address and port that testing tool 132 monitors.Without the need to making any change to calling interface 120.
As mentioned above, in some instances, such as, when interface communication does not directly use tcp data expressly, can the agreement used between tested interface 110 and calling interface 120 be resolved before Update Table.This parsing is completed by interface protocol resolution unit 134.Fig. 3 shows the example of the flow chart of the concrete operations of protocol analysis.
Particularly, in the step 310, the registration of New Deal is carried out.If the agreement selected is registered, this step can skip.Protocol registration process is that protocol architecture file and protocol name are associated, so that this agreement of the follow-up selection of tester.Interface protocol resolution unit 134 can automatically load and resolve.
In step 320, the agreement selecting the communication between tested interface 110 and calling interface 120 to use in registered agreement.
In a step 330, whether the agreement selected by judgement is common protocol.
If common protocol, in step 340, call built-in inherent structure and carry out protocol analysis.
If not common protocol, then show that agreement is proprietary protocol, in step 350 dynamic load protocol architecture body.As mentioned above, protocol architecture body adopts " .h " file configuration usually, and dynamic load protocol architecture body comprises reading " .h " file.
In step 360, the protocol architecture body of dynamic load in the intrinsic protocol architecture called in step 340 or step 350 is resolved, and judges that whether protocol analysis is normal in step 370.
If protocol analysis is abnormal, point out parse error to user in step 380, protocol finishes parse operation.Error handle can be carried out according to related procedure, as reselected agreement or re-registration protocol etc. after user.In step 380, point out user by any one in sound, light, text importing or other prompting modes well-known to those skilled in the art or its combination, the present invention does not limit this.
If protocol analysis is normal, then in step 390, shows the data content after resolving, use protocol entity data modification unit 136 Update Table for user, and same protocol finishes is resolved.
Utilize some other embodiment of the present invention, the backup of test scene and the regression test of interface can also be realized.Test scene backup contextual data backup units 138 as shown in Figure 1 completes.Particularly, contextual data backup units 138 can back up following at least one item:
From the return data (can be used as the key value for Auto-matching message) that calling interface 120 receives
The agreement that communication between tested interface 110 and calling interface 120 uses
Return data is revised and the test data (may for multiple value, the mode of json character string can be adopted to store) that generates by protocol entity data modification unit 136
In some instances, test data also can be edited in advance.In the case, the network agent 130 shown in Fig. 1 can comprise configuration file (not shown).Can be kept at needing the numerical value of traversal in configuration file as test data.When repeatedly performing the communication of same interface, corresponding test scene is selected and test scene selected by application in the test scene that the return data that calling interface 120 can return by interface testing instrument 130 backs up as keyword at scene data backup unit 138, and automatic sequence ground uses the test number of preserving in configuration file to be used as the test data forwarded to tested interface 110, to realize the test of interface ergodic and Fuzz test.
The test scene backed up can be made for carrying out automatic regression test by interface testing instrument 132.Fig. 4 shows the exemplary process diagram of automatic regression test method according to an embodiment of the invention.
As shown in Figure 4, setup test environment in step 410, as configuration testing interface 110 and calling interface 120, arranges used agreement etc.
At step 420 which, executive's interface calls, and captures the return data returned from calling interface 120.
In step 430, when adopting ciphertext mode to transmit data, the agreement that transfer of data uses is resolved.
Judge whether in step 440 to perform automatic test
If do not performed, method step proceeds to step 450, display protocol structure and data content, and passes through protocol entity data modification unit Update Table content to produce test data by user in step 460.In step 470, send test data to tested interface 110, and backup test scene alternatively.Then, method forwards step 420 to and continues to perform, until test terminates.
If determine to perform automatic test in step 440 place, in step 480, according to the content recognition test scene in packet.Particularly, corresponding test scene is selected in the test scene that the return data that calling interface 120 can be returned backs up as keyword at scene data backup unit 138 and checkout area selected by application.
Next, in step 490, test data is obtained.Such as, the test number of preserving in configuration file can be sequentially used to be used as test data.Or in some instances, can use scenes data backup unit 138 back up the test data corresponding with the test scene identified be used as obtained test data.
In step 495, revise the packet of test data and send test data to tested interface 110.Particularly, the data content of Update Table bag.Such as, data content can be revised as abnormal data, as negative, decimal, null value, unreasonable data etc.Revised context can be determined according to concrete test purpose.This amendment manually can be performed at the interface (not shown) that network agent provides by user, or automatically performs by calling the program/code pre-set, and the present invention does not limit this.
By revising the packet of test data, the issuable any abnormal conditions in calling interface place can be simulated, test by observing and recording the properties of process/reaction to tested interface of tested interface to these abnormal conditions thus.
Then, method forwards step 420 to and continues to perform, until test terminates.
Description is above only for realizing embodiments of the present invention; it should be appreciated by those skilled in the art; the any modification or partial replacement do not departed from the scope of the present invention; the scope that all should belong to claim of the present invention to limit; therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (17)
1., for a method for test interface, described method performs by tested interface with the network agent that tested Interference fit carries out being connected between the calling interface tested, and described method comprises:
Process to generate test data to the return data returning described tested interface from described calling interface;
The test data generated is forwarded to described tested interface; And
Observe and record described tested interface to the process of described test data.
2. method according to claim 1, wherein, described process comprises:
Protocol entity data are modified, carries out interface testing in the mode of data-driven.
3. method according to claim 2, wherein, described process also comprises:
Before Update Table, the agreement used between described tested interface and described calling interface is resolved.
4. method according to claim 3, wherein, described parsing comprises:
Be directed to common protocol, resolve by the inherent structure of described common protocol; And
Be directed to proprietary protocol, dynamic load protocol architecture body, unserializing is carried out to described protocol architecture body.
5. method according to claim 1, also comprises:
The IP address that the IP address of the destination service of described tested interface and port modifications are monitored for described network agent and port.
6. method according to claim 1, also comprises:
Backup test scene; And
Utilize the test scene backed up to carry out automatic regression test.
7. method according to claim 6, wherein, backup test scene comprises the following at least one item of backup:
From the described return data that described calling interface receives;
The agreement that communication between described tested interface and described calling interface uses; And
Described generated test data.
8. method according to claim 6, wherein, utilizes the test scene backed up to comprise to carry out automatic regression test:
Be kept in configuration file using needing the test number of traversal as test data;
In backed up test scene, the test scene of corresponding test scene also selected by application is selected as keyword using the return data that described calling interface returns; And
Automatic sequence ground uses the test number of preserving in described configuration file to be used as the test data forwarded to described tested interface, to realize the test of interface ergodic.
9. for a network agent for test interface, wherein, described network agent be connected to tested interface and and tested Interference fit carry out between the calling interface of interface testing, described network agent comprises:
Protocol entity data modification unit, for processing to generate test data to the return data returning described tested interface from described calling interface; And
Interface testing instrument, for forwarding to described tested interface the test data generated, and observes and records described tested interface to the process of described test data.
10. network agent according to claim 9, wherein,
Described protocol entity data modification unit is used for modifying to protocol entity data, carries out interface testing in the mode of data-driven.
11. network agents according to claim 10, also comprise:
Interface protocol resolution unit, for resolving the agreement used between described tested interface and described calling interface before Update Table.
12. network agents according to claim 11, wherein, described interface protocol resolution unit is used for:
Be directed to common protocol, resolve by the inherent structure of described common protocol; And
Be directed to proprietary protocol, dynamic load protocol architecture body, unserializing is carried out to described protocol architecture body.
13. network agents according to claim 9, wherein,
The IP address that described interface testing instrument is also monitored for described network agent for the IP address of the destination service by described tested interface and port modifications and port.
14. network agents according to claim 9, also comprise:
Contextual data backup units, for backup test scene,
Wherein, described interface testing instrument is also for utilizing backed up test scene to carry out automatic regression test.
15. network agents according to claim 14, wherein, the following at least one item of described contextual data backup units backup:
From the described return data that described calling interface receives;
The agreement that communication between described tested interface and described calling interface uses; And
Described generated test data.
16. network agents according to claim 14, also comprise:
Configuration file, for will the test number of traversal be needed to preserve as test data,
Wherein, corresponding test scene is selected and test scene selected by application in the test scene that the return data that described interface testing instrument returns using described calling interface backs up as keyword in described contextual data backup units, and automatic sequence ground uses the test number of preserving in described configuration file to be used as the test data forwarded to described tested interface, to realize the test of interface ergodic.
17. 1 kinds, for the system of test interface, comprising:
Tested interface;
The calling interface of interface testing is carried out with described tested Interference fit; And
Network agent according to item at least one in claim 9 to 16.
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| CN107391359A (en) * | 2016-05-17 | 2017-11-24 | 腾讯科技（深圳）有限公司 | A kind of service test method and device |
| CN108804271A (en) * | 2018-06-28 | 2018-11-13 | 北京潘达互娱科技有限公司 | Interface tolerating measure method and device |
| CN110233818A (en) * | 2018-03-19 | 2019-09-13 | 财付通支付科技有限公司 | The method, apparatus and computer readable storage medium of test data message exception |
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