Refactor the SimpleTestRunner and its test.

src/main/java/space/kklochko/simple_jbdd/tests/commands/decorators/BlockDecorator.java

@@ -28,6 +28,11 @@ public class BlockDecorator<T extends Test> extends AbstractDecorator<T> {
             method.invoke(getCommand().getObject());
             return true;
         } catch (InvocationTargetException e) {
+            Throwable exception = e.getCause();
+
+            if(exception instanceof AssertionError)
+                throw (AssertionError) exception;
+
             System.err.println(e.getMessage());
             throw new RuntimeException(e);
         } catch (IllegalAccessException e) {

src/main/java/space/kklochko/simple_jbdd/tests/runners/SimpleTestRunner.java

@@ -4,10 +4,10 @@ import space.kklochko.simple_jbdd.tests.Test;
 import space.kklochko.simple_jbdd.tests.commands.AbstractTestCommand;
 
 public class SimpleTestRunner extends AbstractTestRunner {
-    AbstractTestCommand<Test> command;
+    private AbstractTestCommand<Test> command;
 
     public SimpleTestRunner(AbstractTestCommand<Test> command) {
-        this.command = command;
+        setCommand(command);
     }
 
     public boolean run() {

src/test/groovy/space/kklochko/simple_jbdd/tests/runners/IntegratedSimpleTestRunnerSpec.groovy

@@ -0,0 +1,42 @@
+package space.kklochko.simple_jbdd.tests.runners
+
+import space.kklochko.simple_jbdd.test_examples.tests.SimpleFailedThenTest
+import space.kklochko.simple_jbdd.test_examples.tests.SimpleGivenWhenThenTest
+import space.kklochko.simple_jbdd.test_examples.tests.SimpleThenTest
+import space.kklochko.simple_jbdd.test_examples.tests.SimpleThenTestWithoutTitle
+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 runner must return a result of test, so
+those tests check if passed and failed test generate the right result.
+""")
+@Title("Integrated tests for SimpleTestRunner with TestCommandFactory and test examples")
+class IntegratedSimpleTestRunnerSpec extends Specification {
+    def "The real test has been run."() {
+        given: "I have a factory"
+        def factory = new TestCommandFactory();
+
+        and: "I have a testCommand created from a test object"
+        def test = factory.create(testObject)
+
+        and: "I have a test runner"
+        @Subject
+        def runner = new SimpleTestRunner(test)
+
+        when: "The testCommand has been run"
+        def result = runner.run()
+
+        then: "Checking that the test result is expected"
+        result == expectedResult
+
+        where: "Possible variants of tests"
+        testObject                       || expectedResult
+        new SimpleThenTest()             || true
+        new SimpleGivenWhenThenTest()    || true
+        new SimpleThenTestWithoutTitle() || true
+        new SimpleFailedThenTest()       || false
+    }
+}

src/test/groovy/space/kklochko/simple_jbdd/tests/runners/SimpleTestRunnerSpec.groovy

@@ -1,7 +1,5 @@
 package space.kklochko.simple_jbdd.tests.runners
 
-import space.kklochko.simple_jbdd.test_examples.tests.SimpleFailedThenTest
-import space.kklochko.simple_jbdd.test_examples.tests.SimpleThenTest
 import space.kklochko.simple_jbdd.tests.commands.SimpleTestCommand
 import space.kklochko.simple_jbdd.tests.factories.TestCommandFactory
 import spock.lang.Narrative
@@ -30,25 +28,6 @@ class SimpleTestRunnerSpec extends Specification {
         result
     }
 
-    def "The real test with then has been passed."() {
-        given: "I have a test and a factory"
-        def aTest = new SimpleThenTest()
-        def factory = new TestCommandFactory();
-
-        and: "I have a testCommand"
-        def test = factory.create(aTest)
-
-        and: "I have a test runner"
-        @Subject
-        def runner = new SimpleTestRunner(test)
-
-        when: "The testCommand has been run"
-        def result = runner.run()
-
-        then: "The result is true"
-        result
-    }
-
     def "The test with then that has not been passed."() {
         given: "I have a failed testCommand"
         def test = Stub(SimpleTestCommand)
@@ -61,26 +40,7 @@ class SimpleTestRunnerSpec extends Specification {
         when: "The testCommand has been run"
         def result = runner.run()
 
-        then: "The result is true"
-        !result
-    }
-
-    def "The real test with then has not been passed."() {
-        given: "I have a test and a factory"
-        def aTest = new SimpleFailedThenTest()
-        def factory = new TestCommandFactory();
-
-        and: "I have a testCommand"
-        def test = factory.create(aTest)
-
-        and: "I have a test runner"
-        @Subject
-        def runner = new SimpleTestRunner(test)
-
-        when: "The testCommand has been run"
-        def result = runner.run()
-
-        then: "The result is true"
+        then: "The result is false"
         !result
     }
 }