Possibility to configure strictness level

src/main/java/org/mockito/testng/MockitoSettings.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2020 Mockito contributors
+ * This program is made available under the terms of the MIT License.
+ */
+package org.mockito.testng;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.mockito.quality.Strictness;
+
+/**
+ * Annotation that can configure Mockito settings. Used by {@link MockitoTestNGListener}
+ */
+@Inherited
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.TYPE})
+@Documented
+public @interface MockitoSettings {
+
+    /**
+     * Configure the strictness used in this test.
+     *
+     * @return The strictness to configure, by default {@link Strictness#STRICT_STUBS}
+     */
+    Strictness strictness() default Strictness.STRICT_STUBS;
+}

src/main/java/org/mockito/testng/MockitoTestNGListener.java

@@ -4,16 +4,19 @@
  */
 package org.mockito.testng;
 
+import java.lang.annotation.Annotation;
+import java.util.Arrays;
 import java.util.Map;
 import java.util.Optional;
 import java.util.WeakHashMap;
+import java.util.stream.Stream;
 
 import org.mockito.Mockito;
 import org.mockito.MockitoSession;
 import org.mockito.quality.Strictness;
 import org.testng.IInvokedMethod;
 import org.testng.IInvokedMethodListener;
-import org.testng.ITestNGListener;
+import org.testng.ITestNGMethod;
 import org.testng.ITestResult;
 import org.testng.annotations.Listeners;
 
@@ -55,6 +58,19 @@
  * </code></pre>
  *
  * <p>
+ * By default {@link MockitoSession} is started with {@link Strictness#STRICT_STUBS}.
+ * You can change this behavior by adding {@link MockitoSettings} to your test class.
+ * </p>
+ *
+ * <pre class="code"><code class="java">
+ * <b>&#064;Listeners(MockitoTestNGListener.class)</b>
+ * <b>&#064;MockitoSettings(strictness = Strictness.WARN)</b>
+ * public class ExampleTest {
+ *  ...
+ * }
+ * </code></pre>
+ *
+ * <p>
  * <code>MockitoTestNGListener</code> not working with parallel tests,
  * more information https://github.com/mockito/mockito-testng/issues/20
  * </p>
@@ -65,49 +81,65 @@ public class MockitoTestNGListener implements IInvokedMethodListener {
 
     @Override
     public void beforeInvocation(IInvokedMethod method, ITestResult testResult) {
-        if (hasMockitoTestNGListenerInTestHierarchy(testResult)) {
-            sessions.computeIfAbsent(testResult.getInstance(), testInstance ->
-                    Mockito.mockitoSession()
-                            .initMocks(testInstance)
-                            .strictness(Strictness.STRICT_STUBS)
-                            .startMocking()
+        if (shouldBeRunBeforeInvocation(method, testResult)) {
+            sessions.computeIfAbsent(testResult.getInstance(), testInstance -> {
+
+                        Strictness strictness = findAnnotation(testResult, MockitoSettings.class)
+                                .map(MockitoSettings::strictness).orElse(Strictness.STRICT_STUBS);
+
+                        return Mockito.mockitoSession()
+                                .initMocks(testInstance)
+                                .strictness(strictness)
+                                .startMocking();
+                    }
             );
         }
     }
 
     @Override
     public void afterInvocation(IInvokedMethod method, ITestResult testResult) {
-        if (hasMockitoTestNGListenerInTestHierarchy(testResult) && method.isTestMethod()) {
+        if (shouldBeRunAfterInvocation(method, testResult)) {
             Optional.ofNullable(sessions.remove(testResult.getInstance()))
                     .ifPresent(mockitoSession -> mockitoSession.finishMocking(testResult.getThrowable()));
         }
     }
 
-    protected boolean hasMockitoTestNGListenerInTestHierarchy(ITestResult testResult) {
-        for (Class<?> clazz = testResult.getTestClass().getRealClass(); clazz != Object.class; clazz = clazz.getSuperclass()) {
-            if (hasMockitoTestNGListener(clazz)) {
-                return true;
-            }
-        }
-        return false;
+    private boolean shouldBeRunBeforeInvocation(IInvokedMethod method, ITestResult testResult) {
+        return !isAfterConfigurationMethod(method) && hasMockitoTestNGListener(testResult);
     }
 
-    protected boolean hasMockitoTestNGListener(Class<?> clazz) {
-        Listeners listeners = clazz.getAnnotation(Listeners.class);
-        if (listeners == null) {
-            return false;
-        }
+    private boolean isAfterConfigurationMethod(IInvokedMethod method) {
+        ITestNGMethod testMethod = method.getTestMethod();
+        return testMethod.isAfterClassConfiguration()
+                || testMethod.isAfterMethodConfiguration()
+                || testMethod.isAfterGroupsConfiguration()
+                || testMethod.isAfterTestConfiguration()
+                || testMethod.isAfterSuiteConfiguration();
+    }
 
-        for (Class<? extends ITestNGListener> listenerClass : listeners.value()) {
-            if (listenerClass() == listenerClass) {
-                return true;
-            }
-        }
-        return false;
+    private boolean shouldBeRunAfterInvocation(IInvokedMethod method, ITestResult testResult) {
+        return method.isTestMethod() && hasMockitoTestNGListener(testResult);
     }
 
-    protected Class<MockitoTestNGListener> listenerClass() {
-        return MockitoTestNGListener.class;
+    protected boolean hasMockitoTestNGListener(ITestResult testResult) {
+
+        return findAnnotation(testResult, Listeners.class)
+                .map(Listeners::value)
+                .map(Arrays::stream)
+                .orElseGet(Stream::empty)
+                .anyMatch(listener -> listener == MockitoTestNGListener.class);
     }
 
+    <A extends Annotation> Optional<A> findAnnotation(ITestResult testResult, Class<A> annotationClass) {
+
+        for (Class<?> clazz = testResult.getTestClass().getRealClass();
+             clazz != Object.class; clazz = clazz.getSuperclass()) {
+            Optional<A> annotation = Optional.ofNullable(clazz.getAnnotation(annotationClass));
+            if (annotation.isPresent()) {
+                return annotation;
+            }
+        }
+
+        return Optional.empty();
+    }
 }

src/test/java/org/mockitousage/testng/InjectMocksWithConstructorAndFinalTest.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2020 Mockito contributors
+ * This program is made available under the terms of the MIT License.
+ */
+package org.mockitousage.testng;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import java.util.Random;
+
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.testng.MockitoTestNGListener;
+import org.testng.annotations.AfterMethod;
+import org.testng.annotations.Listeners;
+import org.testng.annotations.Test;
+
+@Listeners(MockitoTestNGListener.class)
+public class InjectMocksWithConstructorAndFinalTest {
+
+    interface Client {
+        int aMethod();
+    }
+
+    static class Service {
+        final Client client;
+
+        public Service(Client client) {
+            this.client = client;
+        }
+
+        int callClient() {
+            return client.aMethod();
+        }
+    }
+
+    @Mock
+    private Client client;
+
+    @InjectMocks
+    private Service service;
+
+    private int lastClientHash = 0;
+
+    @AfterMethod
+    void cleanup() {
+        // final field will be not assigned for next test
+        // for new object constructor will be used
+        service = null;
+    }
+
+    @Test(invocationCount = 4)
+    void inject_mock_should_be_refreshed() {
+
+        // we have correct injected mock
+        assertThat(client).isNotNull();
+        assertThat(service.client).isNotNull().isSameAs(client);
+
+        // we have new mock
+        assertThat(lastClientHash).isNotEqualTo(client.hashCode());
+
+        // clear mock
+        assertThat(service.callClient()).isZero();
+
+        // make some stub
+        int i = new Random().nextInt() + 1;
+        when(client.aMethod()).thenReturn(i);
+
+        // and test it
+        assertThat(service.callClient()).isEqualTo(i);
+
+        verify(client, times(2)).aMethod();
+
+        // remember last mock hash
+        lastClientHash = client.hashCode();
+    }
+}

src/test/java/org/mockitousage/testng/StrictStubsTest.java

@@ -14,6 +14,7 @@
 import org.mockito.Mock;
 import org.mockito.exceptions.misusing.PotentialStubbingProblem;
 import org.mockito.exceptions.misusing.UnnecessaryStubbingException;
+import org.mockito.testng.MockitoSettings;
 import org.mockito.testng.MockitoTestNGListener;
 import org.mockitousage.testng.failuretests.HasUnusedStubs;
 import org.mockitousage.testng.failuretests.HasUnusedStubsInSetup;
@@ -22,6 +23,8 @@
 import org.testng.annotations.Test;
 
 @Listeners(MockitoTestNGListener.class)
+// MockitoSettings with default values
+@MockitoSettings
 public class StrictStubsTest {
 
     @Mock

src/test/java/org/mockitousage/testng/StrictnessWarnTest.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2020 Mockito contributors
+ * This program is made available under the terms of the MIT License.
+ */
+package org.mockitousage.testng;
+
+import static org.mockito.Mockito.when;
+
+import java.util.List;
+
+import org.mockito.Mock;
+import org.mockito.quality.Strictness;
+import org.mockito.testng.MockitoSettings;
+import org.mockito.testng.MockitoTestNGListener;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Listeners;
+import org.testng.annotations.Test;
+
+@Listeners(MockitoTestNGListener.class)
+@MockitoSettings(strictness = Strictness.WARN)
+public class StrictnessWarnTest {
+
+    @Mock
+    private List<String> list;
+
+    @BeforeMethod
+    void setup() {
+        when(list.add("a")).thenReturn(true);
+    }
+
+    @Test
+    void not_used_stub_generate_warn() {
+        //
+    }
+}

version.properties

@@ -1 +1 @@
-version=0.1.*
+version=0.2.*