Merge branch '1.2.x'

spring-cloud-contract-tools/spring-cloud-contract-converters/src/main/groovy/org/springframework/cloud/contract/verifier/converter/RecursiveFilesConverter.groovy

@@ -95,10 +95,12 @@ class RecursiveFilesConverter {
 						convertedContent.entrySet().eachWithIndex { Map.Entry<Contract, String> content, int index ->
 							Contract dsl = content.key
 							String converted = content.value
-							Path absoluteTargetPath = createAndReturnTargetDirectory(sourceFile)
-							File newJsonFile = createTargetFileWithProperName(stubGenerator, absoluteTargetPath,
-									sourceFile, contractsSize, index, dsl)
-							newJsonFile.setText(converted, StandardCharsets.UTF_8.toString())
+                            if (converted) {
+							    Path absoluteTargetPath = createAndReturnTargetDirectory(sourceFile)
+							    File newJsonFile = createTargetFileWithProperName(stubGenerator, absoluteTargetPath,
+							    		sourceFile, contractsSize, index, dsl)
+							    newJsonFile.setText(converted, StandardCharsets.UTF_8.toString())
+                            }
 						}
 					}
 				} catch (Exception e) {

spring-cloud-contract-tools/spring-cloud-contract-converters/src/test/groovy/org/springframework/cloud/contract/verifier/converter/RecursiveFilesConverterSpec.groovy

@@ -130,6 +130,34 @@ class RecursiveFilesConverterSpec extends Specification {
 			tmpFolder.root.list().toList().containsAll("foo", "bar")
 	}
 
+    def "should not create stub file when generated stub is empty"() {
+        given:
+            def sourceFile = tmpFolder.newFile("test.groovy")
+            sourceFile.text = """
+			    org.springframework.cloud.contract.spec.Contract.make {
+				    request {
+					    url "/baz"
+					    method "GET"
+				    }
+				    response {
+					    status 200
+				    }
+			    }
+			    """
+        and:
+            StubGenerator stubGenerator = stubGenerator("")
+        and:
+            ContractVerifierConfigProperties properties = new ContractVerifierConfigProperties()
+            properties.contractsDslDir = tmpFolder.root
+            properties.stubsOutputDir = tmpFolder.newFolder("target")
+        and:
+            RecursiveFilesConverter recursiveFilesConverter = new RecursiveFilesConverter(properties, new StubGeneratorProvider([stubGenerator]))
+        when:
+            recursiveFilesConverter.processFiles()
+        then:
+            properties.stubsOutputDir.list().toList().isEmpty()
+    }
+
 	private static Set<Path> getRelativePathsForFilesInDirectory(Collection<File> createdFiles, File targetRootDirectory) {
 		Path rootSourcePath = Paths.get(targetRootDirectory.toURI())
 		Set<Path> relativizedCreatedFiles = createdFiles.collect { File file ->