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Interception and dynamic proxy

Interception and dynamic proxy About me Primož Gabrijelčič http: //primoz. gabrijelcic. org programmer, MVP, writer, blogger, consultant, speaker Blog http: //thedelphigeek. com Twitter @thedelphigeek Skype gabr 42 Linked. In gabr 42 Git. Hub gabr 42

Interception and dynamic proxy Today’s topics Mocking Unit testing Prototyping Dynamic proxy Delphi as a DSL

Interception and dynamic proxy Mocking

Interception and dynamic proxy Mocking Dynamic object implementing an interface Pluggable functionality Assertion testing (unit tests)

Interception and dynamic proxy Mock<I> Creation phase. Create Setup phase. Setup Execution phase Call method of I Assertion phase. Received

Interception and dynamic proxy Creation phase uses Spring. Mocking type Intf = interface … var mock: Mock<intf> : = Mock<Intf>. Create; mock : = Mock<Intf>. Create(TMock. Behavior. Strict);

Interception and dynamic proxy Setup phase. Setup. Executes([action]). Raises<TException>. Returns<T> . When([condition]). <Intf method>

Interception and dynamic proxy Sequences var sequence: Mock. Sequence; . Create(TMock. Behavior. Strict). Setup(Mock. Sequence). Returns([value 1, value 2, … value. N]) sequence. Completed

Interception and dynamic proxy Parameter matching Arg. Is. Any<T>, . Is. Equal<T>, . Is. In. Range<T>, . Is. In<T>, . Is. Not. In<T>, . Is. Nil<T>, . Is. Not. Nil<T>, . Is. Regex

Interception and dynamic proxy Specification Multiple rules for the same mocked method Generic first, specific last

Interception and dynamic proxy Assertion phase. Received([times], [match]). <intf method> Times. Any, . At. Least. Once, . At. Most. Once, . Between, . Exactly, . Never, . Once

Interception and dynamic proxy Dynamic proxy

Interception and dynamic proxy “ THE REST CLIENT STORY ”

Interception and dynamic proxy API

Interception and dynamic proxy RESTClient<API> API

Interception and dynamic proxy RESTClient<API> Http() Https() RESTConnection<API> API

Interception and dynamic proxy API RESTClient<API> Http() Https() RESTConnection<API> Invoke() Accept. XML Header User. Agent

Interception and dynamic proxy API RESTClient<API> Http() Https() RESTConnection<API> Invoke() API method Accept. XML Header User. Agent

Interception and dynamic proxy API RESTClient<API> Http() Https() RESTConnection<API> Invoke() API method Accept. XML Header User. Agent

Interception and dynamic proxy API RESTClient<API> Http() Https() RESTConnection<API> Invoke() API method IHTTPResponse Accept. XML Header User. Agent

Interception and dynamic proxy API RESTClient<API> Http() Https() RESTConnection<API> Invoke() API method IHTTPResponse Accept. XML Header User. Agent

Interception and dynamic proxy RESTConnection<API> Invoke()

Interception and dynamic proxy RESTConnection<API> Invoke() Spring. Interception TProxy. Generator. Create. Interface. Proxy. Without. Target() TInterface. Proxy implements API

Interception and dynamic proxy RESTConnection<API> Invoke() Spring. Interception TProxy. Generator. Create. Interface. Proxy. Without. Target() TInterface. Proxy implements API method IHTTPResponse TRESTInterceptor Intercept

Interception and dynamic proxy “ THE END ”