37results about How to "Comprehensive test coverage" patented technology

The present invention provides a fault injection method based on programmable logic device and its device. Its kernel lies in that a fault injection module is set in the interior of programmable logic device having need of making fault injection to obtain the signal of the described programmable logic device, the described fault injection module can inject the correspondent fault into the obtained signal and can output the signal in which the fault is injected. Said invention has no need of external fault injection equipment or scrambling equipment, and can utilize the fault injection module set in the interior of programmable logic device to make fault injection process have no need of manual intervention and do not damage the programmable logic device.

The invention discloses a real-vehicle testing automatic platform and method for a diagnosis function of a control system. The real-vehicle testing automatic platform comprises an upper computer, rapid prototype equipment, a fault injection box and a CANAlyzer. The rapid prototype equipment is connected with the upper computer and obtains an electronic control unit interface model and electronic control unit logic fault automatic testing programs of a to-be-tested electronic control unit from the upper computer. The fault injection box is used for being connected between a male connector and afemale connector of a low-voltage connector assembly of the to-be-tested electronic control unit in series. The rapid prototype equipment is used for being connected to a sensor input signal interface and a CAN signal interface of the fault injection box in series and connected to a sensor output signal interface. The CANAlyzer operates on the upper computer. According to the real-vehicle testingautomatic platform and method for the diagnosis function of the control system, the problems that when the diagnosis function of a new energy vehicle is tested, the testing environment is not preciseenough, the function related to the dynamic working condition of the vehicle and the failure mode cannot be tested can be solved.

The invention discloses a vehicle-mounted high-speed network test system and method. The system comprises a control unit, a test unit and a tested unit, wherein the tested unit comprises a vehicle-mounted network controller; the control unit is used for generating a test instruction according to test requirements, sending the test instruction to the test unit and generating a test report accordingto test results returned by the test unit; the test unit is used for testing the tested unit according to the test instruction; a test result of the tested unit is received and returned to the control unit; test contents for testing the tested unit comprise a PMA test, an interoperability test, a protocol consistency test, a network performance test, a fault mode test, an Ethernet diagnosis test,an Ethernet flashing test, a gateway routing test, an audio and video transmission test and a network information security test. All contents of the OSI seven-layer model of the vehicle-mounted high-speed network can be tested, and the test coverage is comprehensive. Moreover, various test contents can be tested in parallel, so that the test efficiency is improved.

The present invention provides a vehicle control unit simulation test method, device and system. The method comprises the following steps: in the current test environment of a vehicle, controlling a first node to send a first signal to a vehicle controller to be tested according to a preset rule to forward the first signal to a second node through the vehicle controller to be tested, wherein the first node is located on a first CAN bus, and the second node is located on a second CAN bus; monitoring a second signal received by the second node, and determining whether the second signal accords with the preset rule or not; and if the second signal accords with the preset rule, determining the consistency of the second signal and the first signal. According to the embodiment of the invention, the test coverage degree is more comprehensive and abundant, and the test accuracy is improved.

The invention relates to the technical field of Internet, in particular to a distributed transaction test method, which comprises the following steps: obtaining a use case ID of a to-be-tested use case; pulling all abnormal cases associated with the case ID according to the case ID, and establishing a task set according to the abnormal cases, the task set comprising a plurality of tasks in one-to-one correspondence with the abnormal cases; obtaining task information of a task, wherein the task information comprises a use case ID, an abnormal use case ID, call link information and an abnormal type; obtaining operation environment information according to the calling link information; and constructing an exception according to the exception type and the operation environment information, andexecuting a use case corresponding to the use case ID under an exceptional condition to obtain a test result under the exceptional condition. Abnormity does not need to be set manually, only abnormity needs to be automatically generated and executed according to the modulo adjustment relation, test coverage is more comprehensive, and test analysis efficiency is improved.

The invention discloses a game program testing method. The test method comprises the following steps of operating the game program; positioning all controls on the current game interface; traversing all controls on the current game interface and performing operation to obtain an optimal jumping path of interface jumping; and when the game program finishes running, recording all the optimal jump paths to form a navigation chart, and testing the game program according to the navigation chart. In addition, the invention discloses a game program testing system. According to the present invention,the test efficiency of the game program can be improved.

The invention provides an interface test management method, device and equipment and a storage medium, and the method comprises the steps: connecting an application interface library which is used forstoring a to-be-tested application interface, receiving a first test request, and storing the first test request in the application interface library; testing the to-be-tested application interface according to the first test request, obtaining an interface test result, obtaining a to-be-tested function interface according to the to-be-tested application interface when the interface test result shows that the test is passed, receiving a second test request, and testing the functional interface to be tested according to the second test request. Through the method, the purposes of improving thetest efficiency in the whole software test process and reducing the positioning cost of software problems can be achieved.

The invention relates to a link test method and device. The method comprises the following steps: respectively determining applications of application layers in a reference link and a link to be tested; inputting the same initial data into the application of the initial application layer of the reference link and the application of the initial application layer of the link to be tested respectively; wherein in the same link, the input data applied in the next application layer is the output data applied in the previous application layer; calculating the difference rate of the first output dataoutput by the first application and the second output data output by the second application in the same application layer; wherein the first application is an application in a reference link, and thesecond application is an application in a link to be tested; and determining a test result of the link to be tested according to the difference rate. According to the method and the device, the linktest is not limited to a certain application layer, so that the test coverage is more comprehensive, and respective application scenes are expanded; meanwhile, test data does not need to be prepared for each layer of application, and manpower is saved.

The invention possibly relates to the fields of aero-engine control systems, loop tests, circuits and the like, in particular to a circuit for simulating an LVDT dynamic model of an aero-engine fuel regulator position sensor. The circuit comprises a sum value fixing circuit, an amplification adjusting circuit and a multiplier. The LVDT position signal is processed by the sum value fixing circuit to output a signal V1 and a signal V2, the signal V1 and the signal V2 are respectively corrected by the amplification adjusting circuit to simulate and output normalized VA and VB electric signal effective values, and the normalized VA and VB electric signal effective values are multiplied by an excitation signal sent by the controller through the multiplier to obtain VA and VB electric signals with the same phase as the excitation signal. According to the invention, the technical problem is solved that a simulation test of an LVDT signal conditioning acquisition operational circuit of the position sensor in an aero-engine control system cannot be carried out in the prior art. And thus, the comprehensiveness of technical detection and test of the electronic controller of the aero-engine control system in the loop simulation test is improved.

The invention discloses a universal apparatus which can be applied to navigation satellite RNSS payload tests. The apparatus integrates a time frequency signal generator, an uplink injection signal testing device, a downlink navigation signal receiving testing device, a time slot counter and a test evaluation software. The apparatus can generator an uplink injection signal which is intended for testing the performances of a RNSS payload uplink injection receiver. The apparatus can also receive a RNSS payload downlink navigation signal which is intended for testing the performances of a RNSS downlink straight launching payload. The apparatus has the characteristics of high device integration, comprehensive testing coverage, and excellent flexibility. The apparatus also supports batch testsof satellites, and fills the blank in the field of RNSS payload testing. The apparatus also ensures test effectiveness by adopting a special-purpose test evaluation software.