Added missing docs for #32

docs/src/main/asciidoc/verifier/contract.adoc

@@ -113,6 +113,17 @@ Please see the example below:
 include::{verifier_core_path}/src/test/groovy/org/springframework/cloud/contract/verifier/builder/ContractHttpDocsSpec.groovy[tags=regex,indent=0]
 ----
 
+You can also provide only one side of the communication using a regular expression. If you do that then automatically we'll
+provide the generated string that matches the provided regular expression. For example:
+
+[source,groovy,indent=0]
+----
+include::{verifier_core_path}/src/test/groovy/org/springframework/cloud/contract/verifier/builder/MockMvcMethodBodyBuilderSpec.groovy[tags=dsl_one_side_data_generation_example,indent=0]
+----
+
+In this example for request and response the opposite side of the communication will have the respective data generated.
+
+
 === Passing optional parameters
 
 It is possible to provide optional parameters in your contract. It's only possible to have optional parameter for the:

spring-cloud-contract-verifier/spring-cloud-contract-verifier-core/pom.xml

@@ -73,6 +73,11 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-simple</artifactId>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 	<build>
 		<plugins>

spring-cloud-contract-verifier/spring-cloud-contract-verifier-core/src/test/groovy/org/springframework/cloud/contract/verifier/builder/MockMvcMethodBodyBuilderSpec.groovy

@@ -1398,7 +1398,6 @@ World.'''"""
 			test.contains('assertThatJson(parsedJson).field("message").matches("^(?!\\\\s*\\$).+")')
 	}
 
-
 	Contract dslForDocs =
 			// tag::dsl_example[]
 		org.springframework.cloud.contract.spec.Contract.make {
@@ -1444,4 +1443,39 @@ World.'''"""
 			}
 		}
 		// end::dsl_example[]
+
+	Contract dslWithOnlyOneSideForDocs =
+			// tag::dsl_one_side_data_generation_example[]
+		org.springframework.cloud.contract.spec.Contract.make {
+			request {
+				method 'PUT'
+				url '/foo'
+				body([
+					requestElement: value(client(regex('[0-9]{5}')))
+				])
+			}
+			response {
+				status 200
+				body([
+					responseElement: value(server(regex('[0-9]{7}')))
+				])
+			}
+		}
+		// end::dsl_one_side_data_generation_example[]
+
+	@Issue('#32')
+	def "should generate the regular expression for the other side of communication"() {
+		given:
+			MethodBodyBuilder builder = new MockMvcSpockMethodRequestProcessingBodyBuilder(
+					dslWithOnlyOneSideForDocs, properties)
+			BlockBuilder blockBuilder = new BlockBuilder(" ")
+		when:
+			builder.given(blockBuilder)
+			builder.then(blockBuilder)
+			def test = blockBuilder.toString()
+		then:
+			test.replace('\n', '').matches('.*')
+			test.replace('\n', '').stripIndent().stripMargin().matches('.*field\\("responseElement"\\).isEqualTo\\("[0-9]{7}.*')
+	}
+
 }