[#113] Fixed missing regex in headers

accurest-core/src/main/groovy/io/codearte/accurest/builder/MockMvcSpockMethodBodyBuilder.groovy

@@ -9,6 +9,8 @@ import io.codearte.accurest.dsl.internal.QueryParameter
 import io.codearte.accurest.dsl.internal.Request
 import io.codearte.accurest.dsl.internal.UrlPath
 
+import java.util.regex.Pattern
+
 @PackageScope
 @TypeChecked
 class MockMvcSpockMethodBodyBuilder extends SpockMethodBodyBuilder {
@@ -46,10 +48,18 @@ class MockMvcSpockMethodBodyBuilder extends SpockMethodBodyBuilder {
 
     protected void validateResponseHeadersBlock(BlockBuilder bb) {
         response.headers?.collect { Header header ->
-            bb.addLine("response.header('$header.name') == '$header.serverValue'")
+            bb.addLine("response.header('$header.name') ${convertHeaderComparison(header.serverValue)}")
         }
     }
 
+    private String convertHeaderComparison(Object headerValue) {
+        return " == '$headerValue'"
+    }
+
+    private String convertHeaderComparison(Pattern headerValue) {
+        return "==~ java.util.regex.Pattern.compile('$headerValue')"
+    }
+
     @Override
     protected String getResponseAsString() {
         return 'response.body.asString()'

accurest-core/src/test/groovy/io/codearte/accurest/builder/MockMvcSpockMethodBuilderSpec.groovy

@@ -328,4 +328,37 @@ class MockMvcSpockMethodBuilderSpec extends Specification {
 			spockTest.contains('def responseBody = (response.body.asString())')
 			spockTest.contains('responseBody == "test"')
 	}
+
+	@Issue('113')
+	def "should generate regex test for String in response header"() {
+		given:
+			GroovyDsl contractDsl = GroovyDsl.make {
+				request {
+					method 'POST'
+					url $(client(regex('/partners/[0-9]+/users')), server('/partners/1000/users'))
+					headers { header 'Content-Type': 'application/json' }
+					body(
+							first_name: 'John',
+							last_name: 'Smith',
+							personal_id: '12345678901',
+							phone_number: '500500500',
+							invitation_token: '00fec7141bb94793bfe7ae1d0f39bda0',
+							password: 'john'
+					)
+				}
+				response {
+					status 201
+					headers {
+						header 'Location': $(client('http://localhost/partners/1000/users/1001'), server(regex('http://localhost/partners/[0-9]+/users/[0-9]+')))
+					}
+				}
+			}
+			MockMvcSpockMethodBodyBuilder builder = new MockMvcSpockMethodBodyBuilder(contractDsl)
+			BlockBuilder blockBuilder = new BlockBuilder(" ")
+		when:
+			builder.appendTo(blockBuilder)
+			def spockTest = blockBuilder.toString()
+		then:
+			spockTest.contains('''response.header('Location') ==~ java.util.regex.Pattern.compile('http://localhost/partners/[0-9]+/users/[0-9]+')''')
+	}
 }