chore: add a test to verify matching a number with a regular expression

#330

provider/junit5/src/test/groovy/au/com/dius/pact/provider/junit5/MatchNumberWithRegexTest.groovy

@@ -0,0 +1,47 @@
+package au.com.dius.pact.provider.junit5
+
+import au.com.dius.pact.provider.junitsupport.Provider
+import au.com.dius.pact.provider.junitsupport.loader.PactFolder
+import com.github.tomakehurst.wiremock.WireMockServer
+import groovy.util.logging.Slf4j
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.TestTemplate
+import org.junit.jupiter.api.extension.ExtendWith
+import ru.lanwen.wiremock.ext.WiremockResolver
+import ru.lanwen.wiremock.ext.WiremockUriResolver
+
+import static com.github.tomakehurst.wiremock.client.WireMock.aResponse
+import static com.github.tomakehurst.wiremock.client.WireMock.get
+import static com.github.tomakehurst.wiremock.client.WireMock.urlPathEqualTo
+
+@Provider('NumberService')
+@PactFolder('pacts')
+@ExtendWith([
+  WiremockResolver,
+  WiremockUriResolver
+])
+@Slf4j
+class MatchNumberWithRegexTest {
+
+  @TestTemplate
+  @ExtendWith(PactVerificationInvocationContextProvider)
+  void testTemplate(PactVerificationContext context) {
+    context.verifyInteraction()
+  }
+
+  @BeforeEach
+  void before(PactVerificationContext context, @WiremockResolver.Wiremock WireMockServer server,
+              @WiremockUriResolver.WiremockUri String uri) throws MalformedURLException {
+    context.setTarget(HttpTestTarget.fromUrl(new URL(uri)))
+
+    server.stubFor(
+      get(urlPathEqualTo('/data'))
+        .willReturn(aResponse()
+          .withStatus(200)
+          .withHeader('Content-Type', 'application/json')
+          .withBody('{\n' +
+            '    "number": 47576476.9092\n' +
+            '}'))
+    )
+  }
+}

provider/junit5/src/test/resources/pacts/match-numbers.json

@@ -0,0 +1,40 @@
+{
+  "provider": {
+    "name": "NumberService"
+  },
+  "consumer": {
+    "name": "consumer"
+  },
+  "interactions": [
+    {
+      "description": "Get data",
+      "request": {
+        "method": "GET",
+        "path": "/data"
+      },
+      "response": {
+        "status": 200,
+        "body": {
+          "number": 1234.5677
+        },
+        "matchingRules": {
+          "body": {
+            "$.number": {
+              "matchers": [
+                {
+                  "match": "regex",
+                  "regex": "\\d+\\.\\d{4}"
+                }
+              ]
+            }
+          }
+        }
+      }
+    }
+  ],
+  "metadata": {
+    "pact-specification": {
+      "version": "3.0.0"
+    }
+  }
+}