Add the tests for test validators.

src/test/groovy/space/kklochko/simple_jbdd/tests/factories/validators/IntegratedValidatorsSpec.groovy

@@ -0,0 +1,66 @@
+package space.kklochko.simple_jbdd.tests.factories.validators
+
+import space.kklochko.simple_jbdd.test_examples.tests.HasMethodArgumentsTest
+import space.kklochko.simple_jbdd.test_examples.tests.HasNonVoidMethodTest
+import space.kklochko.simple_jbdd.test_examples.tests.HasPrivateMethodTest
+import space.kklochko.simple_jbdd.test_examples.tests.SimpleEmptyTest
+import space.kklochko.simple_jbdd.test_examples.tests.SimpleGivenWhenThenTest
+import space.kklochko.simple_jbdd.tests.factories.TestCommandFactory
+import spock.lang.Narrative
+import spock.lang.Specification
+import spock.lang.Subject
+import spock.lang.Title
+
+@Narrative("""The validators must return true if a test class is invalid, so
+those tests check if validators return the right result.
+""")
+@Title("Integrated tests for Validators")
+class IntegratedValidatorsSpec extends Specification {
+    def "Validator return isInvalid"() {
+        given: "I have a factory and metadata"
+        def factory = new TestCommandFactory()
+        def metaData = factory.getTestMethods(testClass)
+
+        when: "Validating the test"
+        def isInvalid = validator.validate(metaData)
+
+        then: "The status must be expected"
+        isInvalid == expectedStatus
+
+        where: "Possible variants of tests"
+        validator                              | testClass                     || expectedStatus
+        new HasMethodsWithArgumentsValidator() | HasMethodArgumentsTest.class  || true
+        new HasMethodsWithArgumentsValidator() | SimpleGivenWhenThenTest.class || false
+        new HasNonVoidMethodsValidator()       | HasNonVoidMethodTest.class    || true
+        new HasMethodsWithArgumentsValidator() | SimpleGivenWhenThenTest.class || false
+        new HasPrivateMethodsValidator()       | HasPrivateMethodTest.class    || true
+        new HasMethodsWithArgumentsValidator() | SimpleGivenWhenThenTest.class || false
+        new EmptyValidator()                   | SimpleEmptyTest.class         || true
+        new HasMethodsWithArgumentsValidator() | SimpleGivenWhenThenTest.class || false
+    }
+
+    def "Validator return the error message"() {
+        given: "I have a factory and metadata"
+        def factory = new TestCommandFactory()
+        def metaData = factory.getTestMethods(testClass)
+
+        when: "Validating the test and checking the message"
+        validator.validate(metaData)
+        def message = validator.getMessage()
+
+        then: "The message must be expected"
+        message == expectedMessage
+
+        where: "Possible variants of tests"
+        validator                              | testClass                     || expectedMessage
+        new HasMethodsWithArgumentsValidator() | HasMethodArgumentsTest.class  || "ERROR!!! Methods must have no arguments!!! Check methods: given, setupArguments!!!"
+        new HasMethodsWithArgumentsValidator() | SimpleGivenWhenThenTest.class || "ok"
+        new HasNonVoidMethodsValidator()       | HasNonVoidMethodTest.class    || "ERROR!!! Methods must have the void type!!! Check methods: then!!!"
+        new HasMethodsWithArgumentsValidator() | SimpleGivenWhenThenTest.class || "ok"
+        new HasPrivateMethodsValidator()       | HasPrivateMethodTest.class    || "ERROR!!! Methods must be public!!! Check method: given!!!"
+        new HasMethodsWithArgumentsValidator() | SimpleGivenWhenThenTest.class || "ok"
+        new EmptyValidator()                   | SimpleEmptyTest.class         || "ERROR!!! No blocks!!!"
+        new HasMethodsWithArgumentsValidator() | SimpleGivenWhenThenTest.class || "ok"
+    }
+}
+