Test code generator, engine and analyzer for testing middleware applications

• US 7,000,224 B1
• Filed: 04/13/2000
• Issued: 02/14/2006
• Est. Priority Date: 04/13/2000
• Status: Expired due to Term

• Current Assignee: Oracle International Corporation (Oracle Corporation)
• Original Assignee: Empirix Incorporated (Empirix Holdings I, Inc.)
• Inventors: Friedman, George, Glik, Michael V., Osborne, Theodore M. II, Baker, Caren H., Vahey, Walter G.
• Primary Examiner(s): Zhen, Wei Y.
• Assistant Examiner(s): STEELMAN, MARY J
• Application Number:
  US09/548,203
• Time in Patent Office: 2,133 Days
• Field of Search: 717/124, 717/127, 717/131, 717/125, 717/128, 717/130, 717/106, 717/109, 717/134, 714/738
• US Class Current: 717/125
• CPC Class Codes: G06F 11/3688 for test execution, e.g. scheduling of test suites

Abstract

A system for testing middleware of applications in the N-tiered model. The test system contains test code generators, test engines to execute multiple copies of the test code and a data analyzer to analyze and present the results to a human user. The system is able to automatically generate test code to exercise components of the middleware using information about these components that would otherwise be available to the application under test. Multiple copies of the test code are executed in a synchronized fashion. Execution times of multiple events are recorded and then presented in one of several formats. With the system, an application developer can identify components that represent performance bottlenecks or can gather information on deployment properties of individual components that can be used to enhance the performance of the application under test.

Claims

1. A system for determining performance of a technology based object oriented software component of an application under test in response to load, the system comprising:

a) coordination software;

b) at least one code generator, receiving as an input commands from the coordination software and having as an output client test code directed via a network to a remotely located test engine;

c) said engine, receiving as an input commands from the coordination software, the test engine comprising a computer server having at least one software implementation of a byte code processor executing multiple instances of the client test code in a synchronized fashion;

d) at least one data log having computerized memory, the memory holding timing data created by the instances of the client test code; and

e) at least one data analyzer software, operatively connected to the data log, having an output that represents performance of the software component of the application under test in response to load.

2. The system of claim 1 wherein said at least one software implementation of a byte code processor executes multiple threads, each thread comprising an instance of the client test code.

3. The system of claim 2 wherein said at least one software implementation of a byte code processor is synchronized to start execution of an instance of the client test code with another of said at least one software implementation of a byte code processor about to start execution an instance of the client test code.

4. The system of claim 3 wherein the synchronization of at least one software implementation of a byte code processor to another of said at least one software implementation of a byte code processor is performed independently of the time set on each system.

5. The system of claim 3 wherein said at least one software implementation of a byte code processor is set to start execution of the client test code a predetermined time after another of said at least one software implementation of a byte code processor is set to start execution of the test client client test code.

6. The system of claim 2 wherein said at least one software implementation of a byte code processor is set to start execution of the client test code independent of another of said at least one software implementation of a byte code processor set to start execution of the client test code.

7. A computer program product for determining performance of a technology based object oriented software component of an application under test in response to load, the computer program product comprising a computer usable medium having computer readable code thereon, including program code comprising:

a) instructions for coordination software;

b) instructions for at least one code generator, receiving as an input commands from the coordination software and having as an output client test code directed via a network to a remotely located test engine;

c) instructions for said test engine, receiving as an input commands from the coordination software, the test engine comprising a computer server having at least one software implementation of a byte code processor executing multiple instances of the client test code in a synchronized fashion;

d) instructions for providing at least one data log having computerized memory, the memory holding timing data created by the instances of the client test code; and

e) instructions for providing at least one data analyzer, operatively connected to the data log, having an output that represents performance of the object oriented software component of the application under test in response to load.

8. The computer program product of claim 7 further comprising instructions for causing said at least one software implementation of a byte code processor to execute multiple threads, each thread comprising an instance of the client test code.

9. The computer program product of claim 7 further comprising instructions for causing said at least one software implementation of a byte code processor to be synchronized to start execution of an instance of the client test code with another of said at least one software implementation of a byte code processor about to start execution an instance of the client test code.

10. The computer program product of claim 9 further comprising instructions wherein the synchronization of at least one software implementation of a byte code processor to another of said at least one software implementation of a byte code processor is performed independently of the time set on each system.

11. The computer program product of claim 9 further comprising instructions wherein said at least one software implementation of a byte code processor is set to start execution of the client test code a predetermined time after another of said at least one software implementation of a byte code processor is set to start execution of the test client code.

12. The computer program product of claim 8 further comprising instructions wherein said at least one software implementation of a byte code processor is set to start execution of the client test code independent of another of said at least one software implementation of a byte code processor set to start execution of the client test code.