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CSCE 747 Software Testing and Quality Assurance

CSCE 747 Software Testing and Quality Assurance. Lecture 10 – Integration Testing. Last Time Integration & System Testing Part III Levels of Testing Ch 12, pp 181-199. Today Integration & System Testing Part III Integration Testing Ch 13, pp 201-227.

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CSCE 747 Software Testing and Quality Assurance

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  1. CSCE 747 Software Testing and Quality Assurance Lecture 10 – Integration Testing

  2. Last Time • Integration & System Testing Part III • Levels of Testing Ch 12, pp181-199 Today • Integration & System Testing Part III • Integration Testing Ch 13, pp201-227 Jorgensen, Paul C. Software Testing A Craftsman Approach

  3. Table 13.1 SATM Units Jorgensen, Paul C. Software Testing A Craftsman Approach

  4. SATM Functional Decomposition Jorgensen, Paul C. Software Testing A Craftsman Approach

  5. Jorgensen, Paul C. Software Testing A Craftsman Approach

  6. SATM Call Graph Jorgensen, Paul C. Software Testing A Craftsman Approach

  7. Stubs for Top Down Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  8. Figure 13.3 Top-down Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  9. Figure 13.3 Top-down Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  10. Figure 13.3 Top-down Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  11. Bottom-Up Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  12. Sandwich Integration • John Montagu, 4th Earl of Sandwich Jorgensen, Paul C. Software Testing A Craftsman Approach

  13. Call Based Graph Integration • Pairwise integration • Neighborhood integration • InteriorNodes = nodes – sources – sinks • Neighborhoods • Interior+source node Jorgensen, Paul C. Software Testing A Craftsman Approach

  14. Neighborhood Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  15. Path Based Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  16. New and Extended Concepts • Definition: A source node in a program is a statement at which program execution begins or resumes. • Definition: A sink node in a program is a statement at which program execution stops. • Definition: A module execution path is a sequence of statements that begins with a source node and ends with a sink node, with no intervening sink nodes. Jorgensen, Paul C. Software Testing A Craftsman Approach

  17. Definition: A message is a programming language mechanism by which one unit transfers control to another unit. • Definition: An MM-Path is an interleaved sequence of module execution paths and messages. Jorgensen, Paul C. Software Testing A Craftsman Approach

  18. Fig 13.8 MM-Paths across three Units Jorgensen, Paul C. Software Testing A Craftsman Approach

  19. Definition: Given a set of units, their MM-Pathgraph is the directed graph in which nodes are module execution paths and edges correspond to messages and returns from one unit to another. Jorgensen, Paul C. Software Testing A Craftsman Approach

  20. Figure 13.10 Data Quiescence Jorgensen, Paul C. Software Testing A Craftsman Approach

  21. SATM code Jorgensen, Paul C. Software Testing A Craftsman Approach

  22. Jorgensen, Paul C. Software Testing A Craftsman Approach

  23. Jorgensen, Paul C. Software Testing A Craftsman Approach

  24. Jorgensen, Paul C. Software Testing A Craftsman Approach

  25. Jorgensen, Paul C. Software Testing A Craftsman Approach

  26. Jorgensen, Paul C. Software Testing A Craftsman Approach

  27. Jorgensen, Paul C. Software Testing A Craftsman Approach

  28. UML Sequence Diagram a sample MM-Path Jorgensen, Paul C. Software Testing A Craftsman Approach

  29. MM-Path directed graphs Jorgensen, Paul C. Software Testing A Craftsman Approach

  30. Call Graph of “Integration” Version Jorgensen, Paul C. Software Testing A Craftsman Approach

  31. SATM Integration Version • Function • isLeapYear(year) • lastDayOfMonth( ) • getDate() Jorgensen, Paul C. Software Testing A Craftsman Approach

  32. isLeap() Jorgensen, Paul C. Software Testing A Craftsman Approach

  33. lastDayOfMonth Jorgensen, Paul C. Software Testing A Craftsman Approach

  34. validDate() Jorgensen, Paul C. Software Testing A Craftsman Approach

  35. Decomposition Based Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  36. Call Graph Based Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  37. MM-Path-Based Integration Jorgensen, Paul C. Software Testing A Craftsman Approach

  38. Table13.4 Comparison of Integration Testing Strategies

  39. Jorgensen, Paul C. Software Testing A Craftsman Approach

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