CN109213680A - Automated testing method based on embedded system simulation device - Google Patents
Automated testing method based on embedded system simulation device Download PDFInfo
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- CN109213680A CN109213680A CN201810984482.7A CN201810984482A CN109213680A CN 109213680 A CN109213680 A CN 109213680A CN 201810984482 A CN201810984482 A CN 201810984482A CN 109213680 A CN109213680 A CN 109213680A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
- G06F11/362—Software debugging
- G06F11/3644—Software debugging by instrumenting at runtime
Abstract
Automated testing method based on embedded system simulation device, comprising: step S0: creation automatic test script module is that testing requirement is ready work；Step S1: writing the test logic for meeting tested software according to the function that emulator API module provides in automatic test script module, and emulator API module includes address bus read-write, register read-write, memory read-write, program breakpoint, conditional breakpoint, acquisition symbol table, emulator control, obtains simulation time, emulation timer, and/or triggering interruption；Step S2: automatic test script module loading into emulator software；Step S3: starting emulator software simultaneously executes automatic test script module；Step S4: the correctness of verifying automatic test script block code logic is simultaneously made adjustment and is modified；Step S5: it if step S4 passes through, is then executed by automatic test script module and operates embedded software automatic test；Step S6: it is completed.So that program debugging is become controllable, can change, it can quick location process logic mistake.
Description
Technical field
The present invention relates to the automated testing methods of computer software, more particularly to based on embedded system simulation device from
Dynamicization test method.
Background technique
Currently, embedded system simulation device on the market can only manually control emulator in test target software process
Software, such as manually perform starting and stopping for program；During program operation, as wanted to change the register of certain peripheral hardwares
Numerical value injects failure to certain memory address to test simultaneously observing system process performing, can only pass through tester's manual modification
Mode is realized；And if it is desired in some particular moment by direct fault location mode come test software, manual operation is tended not to
The accurate control time, will lead to the deviation of injection length and influence test as a result, testing mesh by way of artificially controlling
Mark software haves the defects that low efficiency and cumbersome.
Target software low efficiency is debugged for embedded system simulation device existing in the prior art and cumbersome is asked
Topic, the prior art not yet propose effective solution method.
Summary of the invention
Purpose of the present invention is to provide a kind of automated testing methods based on embedded system simulation device, so as to embedding
The test for entering formula software is more flexible, convenient, fast, and can effectively reduce the test job of tester, improves test effect
Rate.
To achieve the above object, the present invention provides a kind of automated testing method based on embedded system simulation device, packet
Include following steps: step S0: creation automatic test script module is that testing requirement is ready work；Step S1: according to imitative
The function that true device API module provides writes the test logic for meeting tested software in automatic test script module, described
Emulator application programming interface (API, Application Programming Interface) module includes address bus
When read-write, register read-write, memory read-write, program breakpoint, conditional breakpoint, acquisition symbol table, emulator control, acquisition emulation
Between, emulation timer, and/or triggering interrupt；Step S2: automatic test script module loading into emulator software；Step
Rapid S3: starting emulator software simultaneously executes automatic test script module；Step S4: verifying automatic test script block code
The correctness of logic is simultaneously made adjustment and is modified；Step S5: if step S4 passes through, automatic test script mould can be passed through
Block executes and operates embedded software automatic test；Step S6: it is completed and obtains a result.
It is preferred that execute step S0 to step S4 with by emulator API module to specified memory address, complete
Office's variable and/or device register register a monitoring callback module；Also, step S5 includes: when embedded program executes
Monitored memory address, global variable and/or device register is accessed, then enters monitoring callback module；Judgement is assorted
The operation of type can handle different things in monitoring callback module according to different modes of operation；When the operation is
When read operation, monitoring call back function returns to specified numerical value to the memory address, global variable and/or device register；When this
When operating write operation, monitoring call back function handles write operation according to testing requirement；And tested embedded program is because read
Memory address, global variable and/or the device register arrived is monitored callback module and changes normal numerical value originally, and changes former
This execution logic executes code branch.
It is preferred that when executing step S0 to step S4 to obtain simulation run in real time by emulator API module
Between, the unit of the simulation run time can be set as second, millisecond, delicate or nanosecond；Also, step S5 includes: to work as emulator
When time goes to specified numerical value, enter in setting processing callback module；Handle callback module to specified memory address,
Global variable and/or device register read or are written specified numerical value；And embedded program continues to execute, next unit
When time reaches, because the numerical value of crucial memory address, global variable and/or device register is dynamically changed and is changed
Become the execution logic of script or executes code branch.
It is preferred that executing step S0 to step S4 so that program breakpoint or condition is arranged by emulator API module
Breakpoint, and its breakpoint watch callback module is set；Also, step S5 includes: when embedded program goes to the position of program breakpoint
It in the case where setting or meeting conditional breakpoint, enters in breakpoint watch callback module, and makes relevant one according to testing requirement
A little operations.
The present invention also provides a kind of computer readable storage mediums, wherein be stored with a plurality of instruction, described instruction be suitable for by
Processor loads and executes method above-mentioned.
The present invention also provides a kind of electronic equipment, comprising: processor；And memory, it is stored in the memory
Computer program instructions, it is above-mentioned that the computer program instructions execute the processor
Method.
Compared with prior art, automated testing method of the invention can be manipulated by automatic test script configuration
Emulator software dynamically injects failure and monitors the generation of failure, then injected and tested according to testing requirement operational simulation device
Data.Wherein, the injection of failure include monitoring memory value or variate-value must change, the millisecond value that obtains simulation time, when emulating
Between condition fault, insertion or delete conditional breakpoint, insert and delete program breakpoint.Therefore, the present invention can change traditional approach
Debugging to embedded software makes program debugging become controllable, can change, can quick location process logic mistake.The present invention
Target software can more efficiently be debugged.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the automated testing method of the invention based on embedded system simulation device.
Fig. 2 is the flow chart of the example 1 of the automated testing method of the invention based on embedded system simulation device.
Fig. 3 is the flow chart of the example 2 of the automated testing method of the invention based on embedded system simulation device.
Fig. 4 is the flow chart of the example 3 of embedded system simulation device automated testing method of the present invention.
Specific embodiment
Hereinafter, the automated testing method of the invention based on embedded system simulation device is described with reference to the accompanying drawings
Embodiment.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention,
Be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except recording herein
Embodiment outside, those skilled in the art can also be used based on the claim of this application book and specification disclosure of that
Obvious other technical solutions, these technical solutions include using to the embodiment recorded herein make it is any aobvious and
The technical solution for the substitutions and modifications being clear to.
The attached drawing of this specification is schematic diagram, aids in illustrating design of the invention.
Fig. 1 is the structural schematic diagram of the automated testing method of the invention based on embedded system simulation device.
Emulator API module, including address bus read-write, register read-write, memory read-write, program breakpoint, conditional breakpoint,
Acquisition symbol table, emulator control, acquisition simulation time, emulation timer, triggering interruption etc..
By above-mentioned emulator API module, following functions can be provided: when specified memory address, global variable and deposit
Device can be entered corresponding service routine, be repaired to the value of specified memory address, global variable and register by reading eve
Change；A moment after specified memory address, global variable and register are write can enter corresponding service routine, in specified
The value for depositing address, global variable and register is read out；Specified memory address, global variable and register can be read in real time
It takes and is written；It provides and obtains global variable address interface；It provides and obtains simulation run time interface；Offer can be read, write-in is used
The text file interface that family defines；When breakpoint is in function, local variable address can get；Feasible system function of reset is provided
Interface；Timer can be realized in external equipment；When specifying variable, the value of address meet specified requirements, readjustment processing is generated
Function；Control execution, the stopping, injecting program breakpoint of software simulator；Timing, which triggers CPU, to be interrupted or to emulation peripheral hardware injection
Data.
Further, automated testing method further include: tester can write automatic test script module
Meet testing requirement, the function that automatic test script module can call emulator API module to provide is realized to embedded software
The automatic test of part.
Referring back to Fig. 1, the automated testing method of the invention based on embedded system simulation device can be in different rings
It is run under border, such as Windows, Linux, Mac OS etc..
In the structural schematic diagram, data Layer is existed on a conceptual sense, refers generally to test foot in design automation
The data that may use in this with need data to be saved.These data are some logical datas in test logic mostly,
Inputoutput data either on some bus apparatus.
The interface that automatic test module is provided according to existing emulator API module is redesigned and is packed out some
More general interface, these interfaces directly have relationship with automatic test, and provide these interfaces to automatic test script
Calling；On the other hand, automatic test module itself can have programmed logic, it is possible to flexibly write very much survey
Examination logic simultaneously can execute emulator API module, to realize that automatic test script fully controls emulator.
It, can when the eve that specified memory address, global variable and register are read or write in automatic test module
Into corresponding service routine, the value of specified memory address, global variable and register is modified；To specified memory address,
Global variable and register can read and write value in real time；Simulation time is obtained, and is done pair at a certain special moment as needed
The operation answered；Control the execution of emulator, stopping, injecting program breakpoint conditional breakpoint；Setting timing to CPU trigger interrupt or
Data are injected to emulation peripheral hardware；When specifying variable, the value of address meet specified requirements, readjustment processing function is generated.
Emulator API module includes api interface shown in figure, these api interfaces are to guarantee to realize automatic test
Basis, api interface are a middle layers for guaranteeing control and the external module control of emulator.
Emulator software includes processor core, address bus module, EM equipment module.Processor module (i.e. processor core) is
The core of emulator software, for simulating the execution logic of true CPU processor；Address bus module is that CPU links up computer
The special construction of memory subassembly and peripheral equipment.In Emulational Embedded System, processor module is gone by address bus module
Access various EM equipment modules.
Automated testing method based on embedded system simulation device of the invention includes the following steps:
Step S0: creation automatic test script module is that testing requirement is ready work；
Step S1: according to emulator API module provide function write in automatic test script module meet it is tested
Try software test logic, wherein may include address bus read-write, register read-write, memory read-write, program breakpoint, condition break
Point, acquisition symbol table, emulator control, acquisition simulation time, emulation timer, triggering interruption etc.；
Step S2: automatic test script module loading into emulator software；
Step S3: starting emulator software simultaneously executes automatic test script module；
Step S4: the correctness of verifying automatic test script block code logic is simultaneously made adjustment and is modified；
Step S5: if step S4 passes through, it can be executed and be operated embedded by automatic test script module
Software automated testing；
Step S6: it is completed and obtains a result.
Fig. 2 is the flow chart of the example 1 of embedded system simulation device automated testing method of the present invention.In this example,
A monitoring is registered to specified memory address, global variable and/or device register in automatic test module and adjusts back mould
Block is changed with this for monitoring access of the embedded program to specified memory address, global variable and/or device register
The branch testing etc. of embedded program may be implemented in original correct numerical value.
As shown in Fig. 2, this method comprises the following steps that
Step a: above-mentioned steps S0 to step S4 is executed to pass through emulator API module to specified memory address, the overall situation
Variable and/or device register register a monitoring callback module；(corresponding to above-mentioned steps S0-S4)
Step b: monitored memory address, global variable and/or equipment deposit are accessed when embedded program executes
Device then enters monitoring callback module；(implementation procedure of step S5)
Step c: judgement is what kind of operation, can be in monitoring callback module according to different modes of operation
Manage different things；(implementation procedure of step S5)
Step d: when the operation is read operation, monitoring call back function is posted to the memory address, global variable and/or equipment
Storage returns to specified numerical value；(implementation procedure of step S5)
Step e: when the operation write operation, monitoring call back function handles write operation (general write operation according to testing requirement
There is no testing requirement)；(implementation procedure of step S5)
Step f: tested embedded program is because of memory address, global variable and/or the device register quilt read
It monitors that callback module changes normal numerical value originally, and changes the execution logic of script or execute code branch；(step S5's holds
Row process)
Step g: test is completed.(step S6)
Fig. 3 is the flow chart of the example 2 of embedded system simulation device automated testing method of the present invention.In this example,
By the dynamic surveillance to the emulator time, at the appointed time to memory address, the global variable of embedded program change key
And/or the numerical value of device register, test purpose is reached with this.
Specifically, the process for the method which provides is as follows:
Step a: executing above-mentioned steps S0 to step S4 to pass through emulator API module and obtain the simulation run time in real time,
Unit can be set as second, millisecond, delicate or nanosecond；(corresponding to above-mentioned steps S0-S4)
Step b: it when the emulator time going to specified numerical value, enters in the monitoring callback module of setting；(step
The implementation procedure of S5)
Step c: monitoring callback module reads or is written to specified memory address, global variable and/or device register
Specified numerical value；(implementation procedure of step S5)
Step d: embedded program continues to execute, when next unit time reaches, because crucial memory address,
The numerical value of global variable and/or device register is dynamically changed and changes the execution logic of script or execute code branch.(step
The implementation procedure of rapid S5)
Fig. 4 is the flow chart of the example 3 of embedded system simulation device automated testing method of the present invention.
Specifically, the process for the method which provides is as follows:
Step a: executing step S0 to step S4 so that program breakpoint or conditional breakpoint is arranged by emulator API module, and
Its breakpoint watch callback module is set；(corresponding to above-mentioned steps S0-S4)
Step b: it in the case that embedded program goes to the position of program breakpoint or meets conditional breakpoint, enters disconnected
In point monitoring callback module, and relevant operation is made according to testing requirement.(implementation procedure of step S5)
Using automated testing method of the invention, it is soft emulator can be manipulated by automatic test script configuration
Part dynamically injects failure and monitors the generation of failure, then injects test data according to testing requirement operational simulation device.Its
In, the injection of failure includes millisecond value, the condition of simulation time that monitoring memory value or variate-value must change, obtain simulation time
Failure, insertion delete conditional breakpoint, insert and delete program breakpoint.By the invention it is possible to change traditional approach to embedded
The debugging of software makes program debugging become controllable, can change, can quick location process logic mistake.By the invention it is possible to
More efficiently debug target software.
The embodiment of the automated testing method of the invention based on embedded system simulation device is said above
Bright, its object is to explain the spirit of the present invention.It note that those skilled in the art can not depart from spirit of the invention
In the case of the feature of the respective embodiments described above is modified and is combined, therefore, the present invention is not limited to the respective embodiments described above.
Claims (6)
1. a kind of automated testing method based on embedded system simulation device, includes the following steps:
Step S0: creation automatic test script module is that testing requirement is ready work；
Step S1: according to emulator API module provide function write in automatic test script module meet be tested it is soft
The test logic of part, the emulator API module include address bus read-write, register read-write, memory read-write, program breakpoint,
Conditional breakpoint obtains symbol table, emulator control, obtains simulation time, emulation timer, and/or trigger and interrupt；
Step S2: automatic test script module loading into emulator software；
Step S3: starting emulator software simultaneously executes automatic test script module；
Step S4: the correctness of verifying automatic test script block code logic is simultaneously made adjustment and is modified；
Step S5: it if step S4 passes through, is executed by automatic test script module and to operate embedded software automatic
Change test；
Step S6: it is completed and obtains a result.
2. automated testing method according to claim 1, wherein execute step S0 to step S4 to pass through emulator
API module registers a monitoring callback module to specified memory address, global variable and/or device register；And
Step S5 includes:
Monitored memory address, global variable and/or device register is accessed when embedded program executes, then enters
Monitor callback module；
Judgement is what kind of operation, according to different modes of operation, can handle different things in monitoring callback module
Feelings；
When the operation is read operation, monitoring call back function refers to the return of the memory address, global variable and/or device register
Fixed numerical value；
When the operation write operation, monitoring call back function handles write operation according to testing requirement；And
Tested embedded program is because of the monitored readjustment mould of memory address, global variable and/or the device register read
Block changes normal numerical value originally, and changes the execution logic of script or execute code branch.
3. automated testing method according to claim 1, wherein execute step S0 to step S4 to pass through emulator
API module obtains the simulation run time in real time, and the unit of the simulation run time can be set as second, millisecond, delicate or nanosecond；
And
Step S5 includes:
When the emulator time going to specified numerical value, enter in the monitoring callback module of setting；
Monitor callback module to specified memory address, global variable and/or device register reading numerical values or the specified number of write-in
Value；And
Embedded program continues to execute, when next unit time reaches, because of crucial memory address, global variable
And/or the numerical value of device register is dynamically changed and changes the execution logic of script or execute code branch.
4. automated testing method according to claim 1, wherein execute step S0 to step S4 to pass through emulator
Program breakpoint or conditional breakpoint is arranged in API module, and its breakpoint watch callback module is arranged；And
Step S5 includes:
In the case that embedded program goes to the position of program breakpoint or meets conditional breakpoint, breakpoint watch readjustment is entered
In module, and relevant operation is made according to testing requirement.
5. a kind of computer readable storage medium, wherein being stored with a plurality of instruction, described instruction is suitable for being loaded and being held by processor
The step of capable method as described in any one of claim 1-4.
6. a kind of electronic equipment, comprising:
Processor；And
Memory is stored with computer program instructions in the memory, and the computer program instructions are by the processing
Device makes the processor execute the method as described in any one of claim 1-4 when running the step of.
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| CN110719199A (en) * | 2019-09-30 | 2020-01-21 | 深圳市元征科技股份有限公司 | Network automatic test and fault positioning method and device |
| CN111025166A (en) * | 2019-12-27 | 2020-04-17 | 深圳市新威尔电子有限公司 | Debugger for battery detection system |
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| CN112464594A (en) * | 2020-12-11 | 2021-03-09 | 苏州浪潮智能科技有限公司 | Circuit function simulation test method, device, equipment and readable storage medium |
| CN112632883A (en) * | 2020-12-21 | 2021-04-09 | 南京华大九天科技有限公司 | Method, device, equipment and medium for testing simulation result of device model |
| CN113933627A (en) * | 2021-10-08 | 2022-01-14 | 网易有道信息技术（北京）有限公司 | Method for automatically testing and verifying electronic product and related product |
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| CN112632883A (en) * | 2020-12-21 | 2021-04-09 | 南京华大九天科技有限公司 | Method, device, equipment and medium for testing simulation result of device model |
| CN113933627A (en) * | 2021-10-08 | 2022-01-14 | 网易有道信息技术（北京）有限公司 | Method for automatically testing and verifying electronic product and related product |
| CN115168129A (en) * | 2022-08-09 | 2022-10-11 | 北京得瑞领新科技有限公司 | Automatic test system of implant simulator and SSD (solid State disk) test method |
| CN115168129B (en) * | 2022-08-09 | 2023-02-10 | 北京得瑞领新科技有限公司 | Automatic test system of implant simulator and SSD (solid State disk) test method |
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