Abstract
Given a web service W, a stub is a simple service S intended to impersonate W and simulate some of its input-output patterns. When W’s behaviour is represented by a logic formula ϕ, S can use a satisfiability solver to drive the simulation and generate valid messages compliant with ϕ. A satisfiability solver for a variant of first-order temporal logic, called LTL-FO + , is described. Using a chain of existing, off-the-shelf tools, a stub can be generated from a set of LTL-FO + formulæ expressing a wide range of constraints, including message sequences, parameter values, and interdependencies between both. This, in turn, produces a faithful simulation of the original service that can be used for development and testing.
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Hallé, S. (2011). Automated Generation of Web Service Stubs Using LTL Satisfiability Solving. In: Bravetti, M., Bultan, T. (eds) Web Services and Formal Methods. WS-FM 2010. Lecture Notes in Computer Science, vol 6551. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19589-1_3
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DOI: https://doi.org/10.1007/978-3-642-19589-1_3
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