Added checks for presence of groovy contracts in the produced jars

accurest-gradle-plugin/src/test/groovy/io/codearte/accurest/plugin/AccurestIntegrationSpec.groovy

@@ -9,9 +9,10 @@ import spock.lang.Specification
 
 import java.nio.file.Files
 import java.nio.file.Path
+import java.util.zip.ZipException
+import java.util.zip.ZipFile
 
 import static java.nio.charset.StandardCharsets.UTF_8
-
 /**
  * @author Olga Maciaszek-Sharma
  * @author Denis Stepanov
@@ -116,4 +117,24 @@ abstract class AccurestIntegrationSpec extends Specification {
 		return new File('build.gradle', testProjectDir)
 	}
 
+	protected boolean jarContainsAccurestContracts(String path) {
+		assert fileExists(path)
+		File rootFile = file(path)
+		boolean containsGroovyFiles = false
+		rootFile.eachFileRecurse { File file ->
+			try {
+				if (file.isFile() && file.name.endsWith('jar')) {
+					new ZipFile(file).entries().each {
+						if (it.name.endsWith('.groovy')) {
+							containsGroovyFiles = true
+						}
+					}
+				}
+			}catch (ZipException zipEx) {
+				println "Unable to open file ${file.name}"
+			}
+		}
+		return containsGroovyFiles
+	}
+
 }

accurest-gradle-plugin/src/test/groovy/io/codearte/accurest/plugin/MessagingProjectSpec.groovy

@@ -15,6 +15,7 @@ class MessagingProjectSpec extends AccurestIntegrationSpec {
 			assert fileExists('build.gradle')
 		expect:
 			runTasksSuccessfully('check', "publishToMavenLocal")
+			jarContainsAccurestContracts('build/libs')
 	}
 
 	def "should pass basic flow for JUnit"() {
@@ -24,6 +25,7 @@ class MessagingProjectSpec extends AccurestIntegrationSpec {
 		expect:
 			switchToJunitTestFramework('io.codearte.accurest.samples.book.MessagingBaseSpec', 'io.codearte.accurest.samples.book.MessagingBaseTest')
 			runTasksSuccessfully('check', "publishToMavenLocal")
+			jarContainsAccurestContracts('build/libs')
 	}
 
 }

accurest-gradle-plugin/src/test/groovy/io/codearte/accurest/plugin/SampleJerseyProjectSpec.groovy

@@ -15,6 +15,7 @@ class SampleJerseyProjectSpec extends AccurestIntegrationSpec {
 			assert fileExists('build.gradle')
 		expect:
 			runTasksSuccessfully('check', "publishToMavenLocal")
+			jarContainsAccurestContracts('fraudDetectionService/build/libs')
 	}
 
 	def "should pass basic flow for JUnit"() {
@@ -23,6 +24,7 @@ class SampleJerseyProjectSpec extends AccurestIntegrationSpec {
 			assert fileExists('build.gradle')
 		expect:
 			runTasksSuccessfully('check', "publishToMavenLocal")
+			jarContainsAccurestContracts('fraudDetectionService/build/libs')
 	}
 
 }

accurest-gradle-plugin/src/test/groovy/io/codearte/accurest/plugin/SampleProjectSpec.groovy

@@ -15,6 +15,7 @@ class SampleProjectSpec extends AccurestIntegrationSpec {
 			assert fileExists('build.gradle')
 		expect:
 			runTasksSuccessfully('check', "publishToMavenLocal")
+			jarContainsAccurestContracts('fraudDetectionService/build/libs')
 	}
 
 	def "should pass basic flow for JUnit"() {
@@ -23,6 +24,7 @@ class SampleProjectSpec extends AccurestIntegrationSpec {
 			assert fileExists('build.gradle')
 		expect:
 			runTasksSuccessfully('check', "publishToMavenLocal")
+			jarContainsAccurestContracts('fraudDetectionService/build/libs')
 	}
 
 }

accurest-gradle-plugin/src/test/groovy/io/codearte/accurest/plugin/ScenarioProjectSpec.groovy

@@ -15,6 +15,7 @@ class ScenarioProjectSpec extends AccurestIntegrationSpec {
 			assert fileExists('build.gradle')
 		expect:
 			runTasksSuccessfully('check', "publishToMavenLocal")
+			jarContainsAccurestContracts('fraudDetectionService/build/libs')
 	}
 
 	def "should pass basic flow for JUnit"() {
@@ -23,6 +24,7 @@ class ScenarioProjectSpec extends AccurestIntegrationSpec {
 		expect:
 			switchToJunitTestFramework()
 			runTasksSuccessfully('check', "publishToMavenLocal")
+			jarContainsAccurestContracts('fraudDetectionService/build/libs')
 	}
 
 }