Added support for Stub Runner and Pact Broker

fixes gh-191
commit 533f1d3d0e8f6dcd37677bfef555fc2ea86bc1b1
Author: Tim Ysewyn <Tim.Ysewyn@me.com>
Date:   Wed Mar 7 15:56:48 2018 +0100

    Upgraded pact-jvm-model to 3.5.13

spring-cloud-contract-verifier/src/main/groovy/org/springframework/cloud/contract/verifier/TestGenerator.groovy

@@ -21,6 +21,8 @@ import java.nio.file.Path
 import java.util.concurrent.atomic.AtomicInteger
 
 import groovy.transform.PackageScope
+import org.apache.commons.logging.Log
+import org.apache.commons.logging.LogFactory
 import wiremock.com.google.common.collect.ListMultimap
 
 import org.springframework.cloud.contract.spec.ContractVerifierException
@@ -42,6 +44,7 @@ import static org.springframework.cloud.contract.verifier.util.NamesUtil.toLastD
  */
 class TestGenerator {
 
+	private static final Log log = LogFactory.getLog(TestGenerator)
 	private static final String DEFAULT_CLASS_PREFIX = "ContractVerifier"
 	private static final String DEFAULT_TEST_PACKAGE = "org.springframework.cloud.contract.verifier.tests"
 
@@ -111,6 +114,9 @@ class TestGenerator {
 
 	private void processIncludedDirectory(
 			final String includedDirectoryRelativePath, Collection<ContractMetadata> contracts, final String basePackageNameForClass) {
+		if (log.isDebugEnabled()) {
+			log.debug("Collected contracts with metadata ${contracts}")
+		}
 		if (contracts.size()) {
 			def className = afterLast(includedDirectoryRelativePath.toString(), File.separator) + resolveNameSuffix()
 			def convertedClassName = convertIllegalPackageChars(className)

spring-cloud-contract-verifier/src/main/groovy/org/springframework/cloud/contract/verifier/file/ContractFileScanner.groovy

@@ -87,7 +87,7 @@ class ContractFileScanner {
 	 * and try to convert via pluggable Contract Converters any possible contracts
 	 */
 	private void appendRecursively(File baseDir, ListMultimap<Path, ContractMetadata> result) {
-		List<ContractConverter> converters = SpringFactoriesLoader.loadFactories(ContractConverter, null)
+		List<ContractConverter> converters = converters()
 		if (log.isTraceEnabled()) {
 			log.trace("Found the following contract converters ${converters}")
 		}
@@ -122,13 +122,18 @@ class ContractFileScanner {
 		}
 	}
 
+	protected List<ContractConverter> converters() {
+		return SpringFactoriesLoader.loadFactories(ContractConverter, null)
+	}
+
 	private void addContractToTestGeneration(List<ContractConverter> converters, ListMultimap<Path, ContractMetadata> result,
 											File[] files, File file, int index) {
 		boolean converted = false
 		if (!file.isDirectory()) {
 			for (ContractConverter converter : converters) {
-				if (converter.isAccepted(file)) {
-					addContractToTestGeneration(result, files, file, index, converter.convertFrom(file))
+				Collection<Contract> contracts = tryConvert(converter, file)
+				if (contracts) {
+					addContractToTestGeneration(result, files, file, index, contracts)
 					converted = true
 					break
 				}
@@ -142,6 +147,21 @@ class ContractFileScanner {
 		}
 	}
 
+	private Collection<Contract> tryConvert(ContractConverter converter, File file) {
+		boolean accepted = converter.isAccepted(file)
+		if (!accepted) {
+			return null
+		}
+		try {
+			return converter.convertFrom(file)
+		} catch (Exception e) {
+			if (log.isDebugEnabled()) {
+				log.debug("Exception occurred while trying to convert the file", e)
+			}
+			return null
+		}
+	}
+
 	private void addContractToTestGeneration(ListMultimap<Path, ContractMetadata> result, File[] files, File file,
 											int index, Collection<Contract> convertedContract) {
 		Path path = file.toPath()
@@ -154,6 +174,9 @@ class ContractFileScanner {
 				files.size(), order, convertedContract)
 		if (log.isDebugEnabled()) {
 			log.debug("Creating a contract entry for path [" + path + "] and metadata [" + metadata + "]")
+		}
+		if (convertedContract) {
+
 		}
 		result.put(parent, metadata)
 	}

spring-cloud-contract-verifier/src/test/groovy/org/springframework/cloud/contract/verifier/file/ContractFileScannerSpec.groovy

@@ -21,6 +21,9 @@ import spock.lang.Specification
 
 import java.nio.file.Path
 
+import org.springframework.cloud.contract.spec.Contract
+import org.springframework.cloud.contract.spec.ContractConverter
+
 /**
  * @author Jakub Kubrynski, codearte.io
  */
@@ -77,7 +80,27 @@ class ContractFileScannerSpec extends Specification {
 	def "should find contract files with converters"() {
 		given:
 			File baseDir = new File(this.getClass().getResource("/directory/with/mixed").toURI())
-			ContractFileScanner scanner = new ContractFileScanner(baseDir, null, null)
+			ContractFileScanner scanner = new ContractFileScanner(baseDir, null, null) {
+				@Override
+				protected List<ContractConverter> converters() {
+					return [new ContractConverter() {
+						@Override
+						boolean isAccepted(File file) {
+							return file.name.endsWith(".json")
+						}
+
+						@Override
+						Collection<Contract> convertFrom(File file) {
+							throw new RuntimeException("boom")
+						}
+
+						@Override
+						Object convertTo(Collection contract) {
+							throw new RuntimeException("boom")
+						}
+					}]
+				}
+			}
 		when:
 			ListMultimap<Path, ContractMetadata> result = scanner.findContracts()
 		then:

spring-cloud-contract-verifier/src/test/resources/directory/with/mixed/invalid.json

@@ -0,0 +1,23 @@
+{
+  "request": {
+    "method": "PUT",
+    "url": "/loanApplication",
+    "headers": {
+      "Content-Type": {
+        "equalTo": "application/vnd.loanapplicationservice.v1+json"
+      }
+    },
+    "bodyPatterns": [
+      {
+        "matches": "\\{\"clientPesel\":\"1234567890\",\"loanAmount\":123.123\\}"
+      }
+    ]
+  },
+  "response": {
+    "status": 200,
+    "body": "{\"loanApplicationStatus\":\"LOAN_APPLIED\",\"loanApplicationId\":\"${123123123:$anyInt($it)}\",\"rejectionReason\":null}",
+    "headers": {
+      "Content-Type": "application/vnd.loanapplicationservice.v1+json"
+    }
+  }
+}