CN104020763A - Automatic test method and system for input and output interfaces - Google Patents
Automatic test method and system for input and output interfaces Download PDFInfo
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Abstract
The invention provides an automatic test method and system for input and output interfaces. The system comprises two processing units. One processing unit sends test data, and the other processing unit obtains interface data, and the interface data and the test data are compared with each other to obtain test results. In the test process, the process of sending the test data and the process of comparing the test results are automatically executed without manual participation, a plurality of test data can be tested at the same time during the automatic test, and therefore the problems that efficiency is low and errors are prone to occurrence during manual execution can be solved. According to the automatic test method and system, the input and output interfaces can be automatically tested, the accuracy is high, working efficiency is high, and manpower and material resources are saved.
Description
Technical field
The present invention relates to automatic field, relate in particular to a kind of automatic test approach and system of IO interface.
Background technology
In automatic gear-box application layer, control in software development process, utilize hardware can complete at short notice test and the adjustment of software in loop systems.Wherein, IO interface test (being I/O test) is the important component part that application layer is controlled software test, and the correct communication of I/O interface, is the basis that guarantees to control the normal operation of software.
In prior art, when carrying out I/O test process, need manual input sensor signal and manually control electromagnetic valve current value, and in test artificial contrast test result afterwards, because of relating to manual operation, easily cause test to slip up.In addition it is more that I/O test needs the signal of test, will input one by one, test, comparing result when testing, and required time is longer, and inefficiency causes the waste of resource.
Learn that thus prior art is when carrying out I/O test process, error rate is high, inefficiency and easily cause the wasting of resources.
Summary of the invention
The automatic test approach and the system that the invention provides a kind of IO interface, the present invention can test IO interface automatically, and accuracy is high, work efficiency is high and use manpower and material resources sparingly.
To achieve these goals, the invention provides following technological means:
A kind of input interface automatic test approach, be applied to automatic input test system, described system comprises: automatic gear-box control module TCU, input emulator, processor, described processor comprises the first processing unit and the second processing unit, wherein said input emulator comprises: output unit and sensor model, described TCU one end is connected with described the first processing unit, the other end is connected with described output unit, described sensor model one end is connected with described output unit, the other end is connected with described the second processing unit, comprising:
Described the second processing unit is determined model variable to be measured and is sent to described sensor model;
By described sensor model, described model variable to be measured is converted to physical vlan signal, and is sent to output unit;
Described output unit is converted to described physical vlan signal sensor actual signal and is sent to TCU;
Described the first processing unit gathers described sensor actual signal from TCU, and obtains described model variable to be measured from described the second processing unit;
Described sensor actual signal and described model variable to be measured are contrasted;
According to comparing result, determine input interface test result.
Preferably, according to comparing result, determine that input interface test result comprises:
If described sensor actual signal is consistent with described model variable to be measured, represent that input interface is normal;
If described sensor actual signal is consistent inconsistent with described model variable to be measured, represent that input interface is undesired.
Preferably, when input interface is undesired, also comprise:
Application layer in described TCU is controlled to software modifies.
Preferably, described the first processing unit operation CANape script file.
Preferably, described the second processing unit operation ControlDesk software.
A kind of output interface automatic test approach, be applied to automatically export test macro, described system comprises: automatic gear-box control module TCU, solenoid valve, Output simulation device, the first processing unit and the second processing unit, wherein said Output simulation device comprises: input block and solenoid valve model, described TCU one end is connected with described the first processing unit, the other end is connected with described solenoid valve, described input block one end is connected with described solenoid valve, the other end is connected with described solenoid valve model, described the second processing unit being connected with described solenoid valve model, comprising:
Described the first processing unit is determined control current value to be measured;
Described control current value to be measured is sent to described solenoid valve by described TCU;
Described solenoid valve receives described control current value to be measured and to input block FEEDBACK CONTROL electric current;
Described input block is virtual current by described control current conversion;
Described solenoid valve model is converted to real current value by described virtual current;
Described the second processing unit gathers described real current value by solenoid valve model, and from described the first processing unit, obtains described control current value to be measured;
Described real current value and described control current value to be measured are contrasted;
According to comparing result, determine output interface test result.
Preferably, comprising:
If described real current value is consistent with described control current value to be measured, represent that output interface is normal;
If described real current value and described control current value to be measured are inconsistent, represent that output interface is undesired.
Preferably, when output interface is undesired, also comprise:
Application layer in described TCU is controlled to software modifies.
A kind of Auto-Test System, comprise: automatic gear-box control module TCU, solenoid valve, emulator, processor, described processor comprises the first processing unit and the second processing unit, wherein said emulator comprises input emulator and Output simulation device, input emulator comprises output unit and sensor model, and Output simulation device comprises input block and solenoid valve model;
Described TCU one end is connected with the first processing unit, and the other end is connected with output unit with solenoid valve respectively, for described the first processing unit is sent to control current value to be measured, is sent to solenoid valve, the sensor actual signal also sending for receiving output unit;
Described input block one end is connected with solenoid valve, and the other end is connected with described solenoid valve model, for receiving the control electric current of described solenoid valve feedback, and is that virtual current is sent to solenoid valve model by described control current conversion;
Described solenoid valve model is connected with described the second processing unit, for the described virtual current receiving is converted to real current value;
Described sensor model one end is connected with described the second processing unit, the other end is connected with described output unit, the model variable to be measured sending for receiving the second processing unit, and be sent to output unit after described model variable to be measured is converted to physical vlan signal;
Described output unit is for being converted to described sensor actual signal by the physical vlan signal of reception;
Described the first processing unit is connected with described the second processing unit, for gathering described sensor actual signal from TCU, from described the second processing unit, obtain described model variable to be measured, and described sensor actual signal and described model variable to be measured are contrasted, according to comparing result, determine input interface test result;
Described the second processing unit is used for gathering described real current value, from described the first processing unit, obtain described control current value to be measured, described real current value and described control current value to be measured are contrasted, according to comparing result, determine output interface test result.
Preferably, the software program of described the first processing unit operation comprises a plurality of control current values to be measured, and the software of described the second processing unit operation comprises a plurality of model variables to be measured.
Automatic test approach and the system of input interface and output interface are provided in the present invention, in the present invention, in Auto-Test System, there are two processing units, the first processing unit and the second processing unit, wherein the first processing unit can send control current value to be measured automatically, the second processing unit can contrast real current value and the control current value to be measured of output interface output automatically, determine thus the test result of output interface, the second processing unit can send model variable to be measured automatically, the first processing unit contrasts definite input interface test result by sensor actual signal and model variable to be measured.
The present invention sends test data by one of them processing unit, by another processing unit, obtain interface data, and interface data and test data are contrasted to acquisition test result, in test process, send the process of test data, the process of contrast test result is automated execution, without artificial participation, and support a plurality of test datas to test while automatically testing, the problem that in the time of therefore can solving artificial execution, inefficiency is easily made mistakes simultaneously.The present invention can test IO interface automatically, and accuracy is high, work efficiency is high and use manpower and material resources sparingly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed automatic input test system architecture schematic diagram of the embodiment of the present invention;
Fig. 2 is the process flow diagram of the disclosed input interface automatic test approach of the embodiment of the present invention;
Fig. 3 is the disclosed automatic output test system structure schematic diagram of the embodiment of the present invention;
Fig. 4 is the process flow diagram of the disclosed output interface automatic test approach of the embodiment of the present invention;
Fig. 5 is the process flow diagram of the disclosed automatic test approach of the embodiment of the present invention;
Fig. 6 is the structural representation of the disclosed Auto-Test System of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the invention provides a kind of automatic input test system, comprising:
Automatic gear-box control module TCU100, input emulator 200, processor 300, described processor comprises the first processing unit 301 and the second processing unit 302, wherein said input emulator 200 comprises: output unit 201 and sensor model 202, described TCU100 one end is connected with described the first processing unit 301, the other end is connected with described output unit 201, described sensor model 202 one end are connected with described output unit 201, and the other end is connected with described the second processing unit 302.
On the basis of above-mentioned automatic input test system, the invention provides a kind of input interface automatic test approach, comprising:
Application layer in TCU being controlled to the input interface of software tests, whether the input interface of verifying application layer control software is normal, this method of testing based on hardware in loop systems, input a model variable to be measured, again the sensor actual signal through TCU output is contrasted, if consistent to represent that application layer is controlled the input interface of software normal, if inconsistent, represent that application layer is controlled the input interface of software undesired, concrete comprises the following steps:
Step S101: described the second processing unit is determined model variable to be measured and is sent to described sensor model;
The second processing unit comprises a plurality of model variables to be measured, and the second processing unit can select model variable to be measured successively each model variable to be measured to be tested automatically.Model variable to be measured is sent to sensor model.
Step S102: by described sensor model, described model variable to be measured is converted to physical vlan signal, and is sent to output unit; Sensor model carries out digital simulation according to model variable to be measured, and model variable to be measured is converted to virtual physical signalling.
Step S103: described output unit is converted to described physical vlan signal sensor actual signal and is sent to TCU; Therefore virtual physical signalling need to be converted to sensor actual signal, and be sent to TCU.
Step S104: described the first processing unit gathers described sensor actual signal from TCU, and obtain described model variable to be measured from described the second processing unit;
Whether normal in order to verify the input interface of application layer control software, so need to verify that whether the sensor actual signal in TCU is exact, the first reason unit gathers the sensor actual signal in TCU, and from the second processing unit, obtains model variable to be measured.
Step S105: described sensor actual signal and described model variable to be measured are contrasted;
Step S106: determine input interface test result according to comparing result.
Preferably, if described sensor actual signal is consistent with described model variable to be measured, represent that input interface is normal; If described sensor actual signal is consistent inconsistent with described model variable to be measured, represent that input interface is undesired.When input interface is undesired, also comprise: the application layer in described TCU is controlled to software and modify.
As shown in Figure 3, the present invention also provides a kind of automatic output test macro, and described system comprises:
Automatic gear-box control module TCU100, solenoid valve 400, Output simulation device 500, processor 300, described processor 300 comprises the first processing unit 301 and the second processing unit 302, wherein said Output simulation device 500 comprises: input block 501 and solenoid valve model 502, described TCU100 one end is connected with described the first processing unit 301, the other end is connected with described solenoid valve 400, described input block 501 one end are connected with described solenoid valve 400, the other end is connected with described solenoid valve model 502, described the second processing unit 302 being connected with described solenoid valve model 502.
As shown in Figure 4, based on above-mentioned automatic output test macro, the present invention also provides a kind of output interface automatic test approach, application layer being controlled to the output interface of software tests, whether the output interface of verifying application layer control software is normal, this method of testing based on hardware in loop systems, input a control current value to be measured, again the real current value through TCU output is contrasted, if consistent to represent that application layer is controlled the output interface of software normal, if the output interface that represents application layer control software inconsistent is undesired, and concrete comprises the following steps:
Step S201: described the first processing unit is determined control current value to be measured;
The first processing unit comprises a plurality of control current values to be measured, and the first processing unit can select control current value to be measured successively each control current value to be measured to be tested automatically.
Step S202: described control current value to be measured is sent to described solenoid valve by described TCU;
Step S203: described solenoid valve receives described control current value to be measured and to input block FEEDBACK CONTROL electric current;
Step S204: described input block is virtual current by described control current conversion;
Step S205: described solenoid valve model is converted to real current value by described virtual current;
Step S206: described the second processing unit gathers described real current value by solenoid valve model, and from described the first processing unit, obtain described control current value to be measured;
Step S207: described real current value and described control current value to be measured are contrasted;
Step S208: determine output interface test result according to comparing result.
Preferably, if described real current value is consistent with described control current value to be measured, represent that output interface is normal; If described real current value and described control current value to be measured are inconsistent, represent that output interface is undesired, when output interface is undesired, also comprise: the application layer in described TCU is controlled to software and modify.
Preferably, described the first processing unit operation CANape script file in above-described embodiment, described the second processing unit operation ControlDesk software.
In the known the present invention of above-described embodiment, in Auto-Test System, there are two processing units, the first processing unit and the second processing unit, wherein the first processing unit can send control current value to be measured automatically, the second processing unit can contrast real current value and the control current value to be measured of output interface output automatically, determine thus the test result of output interface, the second processing unit can send model variable to be measured automatically, and the first processing unit contrasts definite output interface test result by sensor actual signal and model variable to be measured.
The present invention sends test data by one of them processing unit, by another processing unit, obtain interface data, and interface data and test data are contrasted to acquisition test result, in test process, send the process of test data, the process of contrast test result is automated execution, without artificial participation, the problem that in the time of therefore can solving artificial execution, inefficiency is easily made mistakes.Therefore the present invention can test IO interface automatically, and accuracy is high, work efficiency is high and use manpower and material resources sparingly.
For some comparatively loaded down with trivial details testing data, still need manual test, so the present invention also provides a kind of interface test method, this method can determine to use automatic mode or manual mode according to user's testing requirement and use habit.As shown in Figure 5, comprising:
In manual test pattern and automatic test pattern, determine current test pattern;
If manual test pattern, manual input test data, adopt artificial contrast test result;
If automatic test pattern, automatic input test data, automatically contrast test result;
Based on Matlab/Simulink and ControlDesk, realize the autorun of inputting (Input) interface, the script file based in CANape is realized the autorun of output (Output) interface.And under automatic test pattern, test when can realize a plurality of test data.
Judge that whether test result is consistent, if unanimously test or finish next time;
If the application layer of revising inconsistent in TCU is controlled software, makes test result consistent.
Therefore the present invention has following beneficial effect:
1. based on Matlab/Simulink and ControlDesk, realize the autorun of inputting (Input) interface, the script file based in CANape is realized the autorun of output (Output) interface.
2. under automatic test pattern, when can realize many signals, test, has improved work efficiency, avoids the waste of resource.
3. under automatic test pattern, by the automatic contrast test result of system, abandon the error causing because of artificial origin, improved the accuracy of test;
4. can, according to test request, realize the selection of manual test pattern and automatic test pattern.
As shown in Figure 6, the present invention also provides a kind of Auto-Test System, comprise: automatic gear-box control module TCU100, solenoid valve 400, emulator 600, processor 300, described processor comprises the first processing unit 301 and the second processing unit 302, wherein said emulator 600 comprises input emulator 200 and Output simulation device 500, input emulator 200 comprises: output unit 201 and sensor model 202, and Output simulation device 500 comprises: input block 501 and solenoid valve model 502;
Described TCU one end is connected with the first processing unit, and the other end is connected with output unit with solenoid valve respectively, for described the first processing unit is sent to control current value to be measured, is sent to solenoid valve, the sensor actual signal also sending for receiving output unit;
Described input block one end is connected with solenoid valve, and the other end is connected with described solenoid valve model, for receiving the control electric current of described solenoid valve feedback, and is that virtual current is sent to solenoid valve model by described control current conversion;
Described solenoid valve model is connected with described the second processing unit, for the described virtual current receiving is converted to real current value;
Described sensor model one end is connected with described the second processing unit, the other end is connected with described output unit, the model variable to be measured sending for receiving the second processing unit, and be sent to output unit after described model variable to be measured is converted to physical vlan signal;
Described output unit is for being converted to described sensor actual signal by the physical vlan signal of reception;
Described the first processing unit is connected with described the second processing unit, for gathering described sensor actual signal from TCU, from described the second processing unit, obtain described model variable to be measured, and described sensor actual signal and described model variable to be measured are contrasted, according to comparing result, determine input interface test result;
Described the second processing unit is used for gathering described real current value, from described the first processing unit, obtain described control current value to be measured, described real current value and described control current value to be measured are contrasted, according to comparing result, determine output interface test result.
Preferably, the software program of described the first processing unit operation comprises a plurality of control current values to be measured, and the software of described the second processing unit operation comprises a plurality of model variables to be measured.
Native system can be realized the automatic test of IO interface, and the present invention can test IO interface automatically, and accuracy is high, work efficiency is high and use manpower and material resources sparingly.
If the function described in the present embodiment method usings that the form of SFU software functional unit realizes and during as production marketing independently or use, can be stored in a computing equipment read/write memory medium.Understanding based on such, the part that the embodiment of the present invention contributes to prior art or the part of this technical scheme can embody with the form of software product, this software product is stored in a storage medium, comprise that some instructions are with so that a computing equipment (can be personal computer, server, mobile computing device or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), the various media that can be program code stored such as random access memory (RAM, Random Access Memory), magnetic disc or CD.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment same or similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an input interface automatic test approach, it is characterized in that, be applied to automatic input test system, described system comprises: automatic gear-box control module TCU, input emulator, processor, described processor comprises the first processing unit and the second processing unit, wherein said input emulator comprises: output unit and sensor model, described TCU one end is connected with described the first processing unit, the other end is connected with described output unit, described sensor model one end is connected with described output unit, the other end is connected with described the second processing unit, comprising:
Described the second processing unit is determined model variable to be measured and is sent to described sensor model;
By described sensor model, described model variable to be measured is converted to physical vlan signal, and is sent to output unit;
Described output unit is converted to described physical vlan signal sensor actual signal and is sent to TCU;
Described the first processing unit gathers described sensor actual signal from TCU, and obtains described model variable to be measured from described the second processing unit;
Described sensor actual signal and described model variable to be measured are contrasted;
According to comparing result, determine input interface test result.
2. the method for claim 1, is characterized in that, according to comparing result, determines that input interface test result comprises:
If described sensor actual signal is consistent with described model variable to be measured, represent that input interface is normal;
If described sensor actual signal is consistent inconsistent with described model variable to be measured, represent that input interface is undesired.
3. method as claimed in claim 2, is characterized in that, when input interface is undesired, also comprises:
Application layer in described TCU is controlled to software modifies.
4. the method for claim 1, is characterized in that, described the first processing unit operation CANape script file.
5. the method for claim 1, is characterized in that, described the second processing unit operation ControlDesk software.
6. an output interface automatic test approach, it is characterized in that, be applied to automatically export test macro, described system comprises: automatic gear-box control module TCU, solenoid valve, Output simulation device, the first processing unit and the second processing unit, wherein said Output simulation device comprises: input block and solenoid valve model, described TCU one end is connected with described the first processing unit, the other end is connected with described solenoid valve, described input block one end is connected with described solenoid valve, the other end is connected with described solenoid valve model, described the second processing unit being connected with described solenoid valve model, comprise:
Described the first processing unit is determined control current value to be measured;
Described control current value to be measured is sent to described solenoid valve by described TCU;
Described solenoid valve receives described control current value to be measured and to input block FEEDBACK CONTROL electric current;
Described input block is virtual current by described control current conversion;
Described solenoid valve model is converted to real current value by described virtual current;
Described the second processing unit gathers described real current value by solenoid valve model, and from described the first processing unit, obtains described control current value to be measured;
Described real current value and described control current value to be measured are contrasted;
According to comparing result, determine output interface test result.
7. method as claimed in claim 6, is characterized in that, comprising:
If described real current value is consistent with described control current value to be measured, represent that output interface is normal;
If described real current value and described control current value to be measured are inconsistent, represent that output interface is undesired.
8. method as claimed in claim 7, is characterized in that, when output interface is undesired, also comprises:
Application layer in described TCU is controlled to software modifies.
9. an Auto-Test System, it is characterized in that, comprise: automatic gear-box control module TCU, solenoid valve, emulator, processor, described processor comprises the first processing unit and the second processing unit, wherein said emulator comprises input emulator and Output simulation device, input emulator comprises output unit and sensor model, and Output simulation device comprises input block and solenoid valve model;
Described TCU one end is connected with the first processing unit, and the other end is connected with output unit with solenoid valve respectively, for described the first processing unit is sent to control current value to be measured, is sent to solenoid valve, the sensor actual signal also sending for receiving output unit;
Described input block one end is connected with solenoid valve, and the other end is connected with described solenoid valve model, for receiving the control electric current of described solenoid valve feedback, and is that virtual current is sent to solenoid valve model by described control current conversion;
Described solenoid valve model is connected with described the second processing unit, for the described virtual current receiving is converted to real current value;
Described sensor model one end is connected with described the second processing unit, the other end is connected with described output unit, the model variable to be measured sending for receiving the second processing unit, and be sent to output unit after described model variable to be measured is converted to physical vlan signal;
Described output unit is for being converted to described sensor actual signal by the physical vlan signal of reception;
Described the first processing unit is connected with described the second processing unit, for gathering described sensor actual signal from TCU, from described the second processing unit, obtain described model variable to be measured, and described sensor actual signal and described model variable to be measured are contrasted, according to comparing result, determine input interface test result;
Described the second processing unit is used for gathering described real current value, from described the first processing unit, obtain described control current value to be measured, described real current value and described control current value to be measured are contrasted, according to comparing result, determine output interface test result.
10. system as claimed in claim 9, is characterized in that, the software program of described the first processing unit operation comprises a plurality of control current values to be measured, and the software of described the second processing unit operation comprises a plurality of model variables to be measured.
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