CN106776298A - A kind of avionics system shows automatic software test method and system - Google Patents
A kind of avionics system shows automatic software test method and system Download PDFInfo
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- CN106776298A CN106776298A CN201611084630.7A CN201611084630A CN106776298A CN 106776298 A CN106776298 A CN 106776298A CN 201611084630 A CN201611084630 A CN 201611084630A CN 106776298 A CN106776298 A CN 106776298A
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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
- G06F11/3668—Software testing
- G06F11/3672—Test management
- G06F11/3684—Test management for test design, e.g. generating new test cases
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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
- G06F11/3668—Software testing
- G06F11/3672—Test management
- G06F11/3688—Test management for test execution, e.g. scheduling of test suites
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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
- G06F11/3668—Software testing
- G06F11/3672—Test management
- G06F11/3692—Test management for test results analysis
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Abstract
The invention provides a kind of avionics system display automatic software test method, the display software according to graphic designs document design is tested, including：S1, Design of Graphical Interface file is parsed, read each element and its attribute of Design of Graphical Interface file, generate test case data table and graphical interfaces symbolic library；The display interfaces that S2, collection are presented by the display software；S3, by interface by test case data table set use-case data be sent to display software；S4, the collection display software perform the display interfaces after the use-case data；S5, the above-mentioned display interfaces for collecting twice are carried out background subtraction, and enter the feature extraction of line character or the template matches of icon to the image after abatement.The present invention can be obviously improved the GUI testing efficiencies of avionics system using the automated test frame of data-driven, shorten the regression test cycle so that test job better adapts to iterative development work requirements.
Description
Technical field
The invention belongs to airborne software test field, and in particular to a kind of avionics system shows software automated testing
Method and system.
Background technology
Avionics system is the necessary component of contemporary aircraft, is ensureing flight safety, is performing aerial mission side
Face plays an important role.As the development of technology, the performance of avionics system are increasingly powerful, human-computer interaction function is also more multiple
Miscellaneous, the display sizes of outfit in increase, more enrich, and the element of display is also more various, to figure by the content shown in picture
Shape user interface (Graphics User Interface, abbreviation GUI) test brings bigger challenge.
To solve this problem, many scholars have carried out related work, such as GUI test blocks in GUI automatic tests field
Frame, automatic generating test case, test coverage analysis, image recognition and judgement etc..Such as Publication No. CN102629441B
A kind of avionic display test system is proposed in Chinese invention patent, can be realized to the identification of display image and be sentenced
It is fixed, one kind is refer in the Chinese invention patent of Publication No. CN105988924A for another example based on image capture and built carrying out GUI
The method of mould and automatic test.
In avionics system most important presentation of information medium be multifunction display (Multi-Function Display,
Abbreviation MFD, or avionics display), in the form of icon and word, most subsystem/facility informations and task is presented
Information, the correctness of MFD display datas is directly connected to the completion of flight safety and aerial mission.With aircraft complexity
Increase, need the information explosion formula of display to increase on MFD, by taking U.S. army's F-18 fighter planes as an example, three MFD need total letter of display
Breath amount has exceeded 1000.Increased sharply to adapt to display data, reduce pilot's load, in the development of aircraft of new generation, generally
Using standardized symbolic library, shape, color, the position presented to information etc. carries out specification.More advanced cockpit design instrument
Also have application in development work, support the visual design, and the element display information of standardization can be provided.
The content of the invention
To adapt to challenge and the opportunity that New technical use comes to avionics system GUI calibration tapes, the present invention proposes a kind of base
In the avionics system display automated testing method of computer vision, mainly parse and automatically generate including GUI design documents
The functions such as test case, interface testing Tool integration, Computer Vision Recognition, test report generation, realize avionics system and show
Show that device GUI is tested from the overall process closed loop automation for being designed into checking.
Present invention firstly provides a kind of avionics system display automatic software test method, to according to graphic designs file
The display software of design is tested, including：
S1, Design of Graphical Interface file is parsed, read each element and its attribute of Design of Graphical Interface file, it is raw
Into test case data table and graphical interfaces symbolic library；
The display interfaces that S2, collection are presented by the display software；
S3, by interface by test case data table set use-case data be sent to display software；
S4, the collection display software perform the display interfaces after the use-case data；
The display interfaces that S5, display interfaces and step S4 that step S2 is gathered are collected carry out background subtraction, and
Enter the feature extraction of line character or the template matches of icon to the image after abatement, obtain the avionics system display software
Test result.
Preferably, the back of the generation graphical interfaces symbolic library is including in the reading Design of Graphical Interface file
The corresponding graphical information of element, and by the graphical information return-to-zero.
In such scheme preferably, step S5 abatement before, also including image preprocessing, described image pre-process to
Few property value for including reading image, and judge whether it is corresponding with the value in test case data table.
In such scheme preferably, the selection standard of external camera is that its resolution of lens shows more than system under test (SUT)
Resolution ratio.
Another aspect of the present invention provides a kind of avionics system and shows software automated testing system, including：
Avionics display, for showing avionics information；
Camera, for gathering the image shown by the avionics display；
Calculation machine, connects the camera, and receives the image of the camera collection, and with figure can be carried out
As abatement and the image processing module of image icon matching feature；
Interface testing instrument, for connecting test computer and avionics display, at least wraps in the interface testing instrument
Contain：
Design document parsing module, for being parsed to Design of Graphical Interface file；
Test cases technology module, each element and its attribute for reading Design of Graphical Interface file, generation test is used
Example tables of data and graphical interfaces symbolic library.
Preferably, the calculation machine also includes pretreatment module, for reading the property value of image, and judges it
It is whether corresponding with the value in test case data table.
In such scheme preferably, the selection standard of external camera is that its resolution of lens shows more than system under test (SUT)
Resolution ratio.
The present invention is parsed and is generated to GUI design documents test and used using the automated test frame of data-driven
Example table, carried out with interface testing instrument it is integrated, it is achieved thereby that from GUI be designed into checking overall process closed loop automation test.
The GUI testing efficiencies of avionics system can be obviously improved, shorten the regression test cycle so that test job better adapts to iteration
Development demand.
Brief description of the drawings
Fig. 1 is the test flow chart of a preferred embodiment of avionics system display automatic software test method of the present invention.
Fig. 2 is the system composition schematic diagram that avionics system of the present invention shows software automated testing system illustrated embodiment.
Fig. 3 be embodiment illustrated in fig. 1 of the present invention with interface testing Tool integration and test execution schematic diagram.
Fig. 4 is the automatic test sequence figure of GUI pictures of embodiment illustrated in fig. 1 of the present invention.
Fig. 5 is the detection of GUI pictures and the decision flowchart of embodiment illustrated in fig. 1 of the present invention.
Fig. 6 is that the avionics GUI symbolic libraries of embodiment illustrated in fig. 1 of the present invention are illustrated.
Fig. 7 is the design diagram of the simplification of embodiment illustrated in fig. 1 of the present invention.
Fig. 8 is the icon element schematic diagram of embodiment illustrated in fig. 1 of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of present invention implementation clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from start to finish or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.Embodiment below with reference to Description of Drawings is exemplary, it is intended to used
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Face is described in detail with reference to accompanying drawing to embodiments of the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on accompanying drawing institute
The orientation or position relationship for showing, are for only for ease of the description present invention and simplify description, rather than the dress for indicating or implying meaning
Put or element with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that must be protected to the present invention
The limitation of scope.
The present invention is described in further details below by embodiment.
Avionics system of the present invention shows automatic software test method, to the display software according to graphic designs document design
Tested, as shown in figure 1, mainly including the following steps that：
S1, Design of Graphical Interface file is parsed, read each element and its attribute of Design of Graphical Interface file, it is raw
Into test case data table and graphical interfaces symbolic library；
The display interfaces that S2, collection are presented by the display software；
S3, by interface by test case data table set use-case data be sent to display software；
S4, the collection display software perform the display interfaces after the use-case data；
The display interfaces that S5, display interfaces and step S4 that step S2 is gathered are collected carry out background subtraction, and
Enter the feature extraction of line character or the template matches of icon to the image after abatement, obtain the avionics system display software
Test result.
First in step sl, display GUI design documents are parsed first, GUI design documents typically use XML
Its tree data can be parsed easily by document form using XML function storehouse, thus generate test case table with
And graphical interfaces symbolic library, test case table is shown in Table 1, and graphical interfaces symbolic library is shown in Fig. 6, and the GUI for automatic code generating sets
Meter instrument, the corresponding data source of each element can be automatically derived to the parsing of its design document；And for not possessing this function
Instrument is, it is necessary to tester is manually entered corresponding information.
Table 1GUI test case data tables
In step S3, the use-case data set in test case data table is sent to by interface is shown software and is allowed aobvious
Show that software enters display, and before this step after, primary display interface is gathered, in this step, as shown in figure 3, tester
Calculation machine carries out automatic test according to test case table to GUI.Calculation machine is parsed to test case table, for each
Bar use-case, the image information that control camera Real-time Collection MFD shows, and spy is sent to system under test (SUT) by interface testing instrument
Fixed external data signal, its sequential is as shown in Figure 4.Then, calculation machine is processed the image for collecting, and carries out spy
Extraction (character, icon etc.) is levied, and whether use-case is passed through to judge.Use-case implementation status can be preserved in real time, and complete
Portion's use-case provides result report after performing.
Fig. 5 is the detection of GUI pictures and result judgement flow chart.Performed by external high-definition camera collecting test forward and backward
Image.Each pixel of coloured image is made up of tri- components of RGB, and larger internal memory is taken in computing, and recognizes image
During only need to the half-tone information of image, therefore to image gray processing treatment with simplified operation.Additionally, image was being gathered
Various interference may be subject in journey, so as to influence image quality, cause to be needed after producing noise spot, therefore image gray processing on image
Will be to image denoising.Binary conversion treatment is done to the image after denoising so that character to be identified icon and the background point residing for it
Open.Image to binary conversion treatment does slant correction, be character, icon positioning link do early-stage preparations.By extracting image ash
Degree feature and rim detection, calculate gray scale mutated site, positioning target identification region.R, G, B are extracted to target identification area artwork
Color information, determine target character target icon color.Pretreated image is done canny rim detections, Character segmentation,
The technologies such as image characteristics extraction, image template match cognization complete the automatic identification of target area.Character recognition uses optics word
All characters to be identified are located by symbol identification technology (Optical Character Recognition, abbreviation OCR) one by one
Reason, converts thereof into digital information, and contrasted with the data in use-case table.For the variation that icon is the instrument such as indicator,
On the basis of feature is extracted, calculated by center vector and obtain mobility scale (angle, displacement etc.), whether discriminating test result
Accurately.
In the present embodiment, before step S5 abatements, also including image preprocessing, described image pretreatment at least includes reading
The property value of image is taken, and judges whether it is corresponding with the value in test case data table.Such as in read test image word
The height of body, and compared with the height of font in use-case table.
The present invention proposes a kind of avionics system display automated testing method based on computer vision, using data
The automated test frame of driving, is parsed and is generated test case table to GUI design documents, is carried out with interface testing instrument
It is integrated, it is achieved thereby that being designed into the overall process closed loop automation test of checking from GUI.Avionics system can be obviously improved
GUI testing efficiencies, shorten the regression test cycle so that test job better adapts to iterative development work requirements.
The design picture of the simplification that the present invention is given as shown in Figure 7,8, only comprising a clock pointer and one through the number of degrees
According to display, clock pointer is icon element, and longitude is shown as character element.Such as Fig. 7.
To design document (as follows), parsed
<Xml version=" 1.0 " encoding=" UTF-8 ">
<Widget class=" AnalogClock " name=" Clock " src=" pointer1.png ">
<Size x0=15y0=20width=50height=50>
<Property name=" origin ">
<double>0.000000000000000</double>
</property>
<Widget class=" Label " name=" labelLon ">
<Size x0=15y0=80width=30height=10>
<font>
<family>Times New Roman</family>
<pointsize>16</pointsize>
<color>red</color>
</font>
Parsing obtains test data table, wherein the test input data that " value " is inserted for tester, as shown in table 2.
Table 2
Also, the image for obtaining icon element obtains icon 1, as shown in Figure 8.
Data in test data table are parsed and performed.Two use-cases are had in test case table, is tested respectively
Control " Clock " and " LabelLon ".
Case 1, test control Clock
S.1 calculation machine control camera completion display picture is initially taken pictures；
S.2 data source GPS.Time is set to 1 by calculation machine, and it is soft to be sent to display by interface testing instrument
Part；
S.3 the Clock pointers of display correspondence picture point to 1, and calculation machine control camera completes to take pictures for the second time
S.4 calculation machine treatment two images, after extracting feature, confirm that the region for changing has icon 1, and icon 1
30 °, i.e. sensing value 1 are deflected with respect to initial value, then use-case passes through；Do not pass through then otherwise.
Case 2, test control LabelLon
S.1 calculation machine control camera completion display picture is initially taken pictures；
S.2 data source GPS.Lon is set to E0 ° of 0'1 by calculation machine, and is sent to display by interface testing instrument
Device software；
S.3 the LabelLon of display correspondence picture shows E0 ° of 0'1, and calculation machine control camera is completed second
Take pictures
S.4 calculation machine processes two images, after extracting feature, the E0 ° of 0'1 of region display that confirmation changes, and font,
Color and position etc. meet the prescribed limit of test data table, then use-case passes through；Do not pass through otherwise.
The present invention proposes a kind of avionics system display automated testing method based on computer vision, using data
The automated test frame of driving, is parsed and is generated test case table to GUI design documents, is carried out with interface testing instrument
It is integrated, it is achieved thereby that being designed into the overall process closed loop automation test of checking from GUI.Avionics system can be obviously improved
GUI testing efficiencies, shorten the regression test cycle so that test job better adapts to iterative development work requirements.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Pipe has been described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, do not make the essence of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution
God and scope.
Claims (7)
1. a kind of avionics system display automatic software test method, is carried out to the display software according to graphic designs document design
Test, it is characterised in that including：
S1, Design of Graphical Interface file is parsed, read each element and its attribute of Design of Graphical Interface file, generation is surveyed
Examination use-case data table and graphical interfaces symbolic library；
The display interfaces that S2, collection are presented by the display software；
S3, by interface by test case data table set use-case data be sent to display software；
S4, the collection display software perform the display interfaces after the use-case data；
The display interfaces that S5, display interfaces and step S4 that step S2 is gathered are collected carry out background subtraction, and offset
Image after subtracting enters the feature extraction of line character or the template matches of icon, obtains the test that the avionics system shows software
As a result.
2. avionics system as claimed in claim 1 shows automatic software test method, it is characterised in that the generation figure
The back of interface symbolic library includes reading the corresponding graphical information of element in the Design of Graphical Interface file, and will be described
Graphical information return-to-zero.
3. avionics system as claimed in claim 1 shows automatic software test method, it is characterised in that in step S5 abatements
Before, also including image preprocessing, described image pretreatment at least includes reading the property value of image, and judge its whether with survey
Value in examination use-case data table is corresponding.
4. avionics system as claimed in claim 1 shows automatic software test method, it is characterised in that external camera
Selection standard is that its resolution of lens is more than system under test (SUT) display resolution.
5. a kind of avionics system shows software automated testing system, it is characterised in that including：
Avionics display, for showing avionics information；
Camera, for gathering the image shown by the avionics display；
Calculation machine, connects the camera, and receives the image of the camera collection, and disappears with that can carry out image
Subtract the image processing module with image icon matching feature；
Interface testing instrument, for connecting test computer and avionics display, comprises at least in the interface testing instrument：
Design document parsing module, for being parsed to Design of Graphical Interface file；
Test cases technology module, each element and its attribute for reading Design of Graphical Interface file generate test case number
According to table and graphical interfaces symbolic library.
6. avionics system as claimed in claim 5 shows software automated testing system, it is characterised in that the measuring and calculation
Machine also include pretreatment module, for reading the property value of image, and judge its whether with test case data table in value phase
Correspondence.
7. avionics system as claimed in claim 5 shows automatic software test method, it is characterised in that external camera
Selection standard is that its resolution of lens is more than system under test (SUT) display resolution.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109774967A (en) * | 2017-11-13 | 2019-05-21 | 中航通飞华南飞机工业有限公司 | Simulated engine oil temperature and avionics system are crosslinked online test method |
| CN110308346A (en) * | 2019-06-24 | 2019-10-08 | 中国航空无线电电子研究所 | Cockpit display system automatic test approach and system based on image recognition |
| CN110688292A (en) * | 2018-07-04 | 2020-01-14 | 葛建新 | Software testing visual detection method based on attention mechanism |
| CN110765015A (en) * | 2019-10-24 | 2020-02-07 | 北京云聚智慧科技有限公司 | Method for testing application to be tested and electronic equipment |
| CN111124877A (en) * | 2018-11-01 | 2020-05-08 | 株洲中车时代电气股份有限公司 | Train display software testing method, device and system |
| CN112286810A (en) * | 2020-10-29 | 2021-01-29 | 中国航空工业集团公司洛阳电光设备研究所 | Method and system for quickly generating use case based on use case data and logic separation |
| CN114092843A (en) * | 2021-11-19 | 2022-02-25 | 中国直升机设计研究所 | Helicopter VNE automatic test system and method |
| EP4231249A1 (en) * | 2022-02-18 | 2023-08-23 | Rockwell Collins, Inc. | System and method for verifying display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109774967A (en) * | 2017-11-13 | 2019-05-21 | 中航通飞华南飞机工业有限公司 | Simulated engine oil temperature and avionics system are crosslinked online test method |
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| CN111124877A (en) * | 2018-11-01 | 2020-05-08 | 株洲中车时代电气股份有限公司 | Train display software testing method, device and system |
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| CN110308346A (en) * | 2019-06-24 | 2019-10-08 | 中国航空无线电电子研究所 | Cockpit display system automatic test approach and system based on image recognition |
| CN110308346B (en) * | 2019-06-24 | 2021-10-26 | 中国航空无线电电子研究所 | Automatic testing method and system for cockpit display system based on image recognition |
| CN110765015A (en) * | 2019-10-24 | 2020-02-07 | 北京云聚智慧科技有限公司 | Method for testing application to be tested and electronic equipment |
| CN112286810A (en) * | 2020-10-29 | 2021-01-29 | 中国航空工业集团公司洛阳电光设备研究所 | Method and system for quickly generating use case based on use case data and logic separation |
| CN114092843A (en) * | 2021-11-19 | 2022-02-25 | 中国直升机设计研究所 | Helicopter VNE automatic test system and method |
| EP4231249A1 (en) * | 2022-02-18 | 2023-08-23 | Rockwell Collins, Inc. | System and method for verifying display |
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Application publication date: 20170531 |