Add a few mocking utils to the testing framework

(cherry picked from commit ac4cc88)

Author: yrodiere

integration-tests/testing-framework/src/test/java/io/quarkiverse/githubapp/it/testingframework/TestingFrameworkTest.java

@@ -1,5 +1,6 @@
 package io.quarkiverse.githubapp.it.testingframework;
 
+import static io.quarkiverse.githubapp.testing.GitHubAppMockito.mockPagedIterable;
 import static io.quarkiverse.githubapp.testing.GitHubAppTesting.given;
 import static io.quarkiverse.githubapp.testing.GitHubAppTesting.when;
 import static org.assertj.core.api.Assertions.assertThat;
@@ -276,18 +277,17 @@ void clientProvider() {
                     Mockito.when(mocks.applicationClient().getApp()).thenReturn(app);
                     Mockito.when(installation1.getId()).thenReturn(1L);
                     Mockito.when(installation2.getId()).thenReturn(2L);
-                    PagedIterable<GHAppInstallation> appInstallations = MockHelper.mockPagedIterable(installation1,
-                            installation2);
+                    PagedIterable<GHAppInstallation> appInstallations = mockPagedIterable(installation1, installation2);
                     Mockito.when(app.listInstallations()).thenReturn(appInstallations);
 
                     Mockito.when(installation1Repo1.getFullName()).thenReturn("quarkusio/quarkus");
-                    PagedSearchIterable<GHRepository> installation1Repos = MockHelper.mockPagedIterable(installation1Repo1);
+                    PagedSearchIterable<GHRepository> installation1Repos = mockPagedIterable(installation1Repo1);
                     Mockito.when(installation1.listRepositories())
                             .thenReturn(installation1Repos);
 
                     Mockito.when(installation2Repo1.getFullName()).thenReturn("quarkiverse/quarkus-github-app");
                     Mockito.when(installation2Repo2.getFullName()).thenReturn("quarkiverse/quarkus-github-api");
-                    PagedSearchIterable<GHRepository> installation2Repos = MockHelper.mockPagedIterable(installation2Repo1,
+                    PagedSearchIterable<GHRepository> installation2Repos = mockPagedIterable(installation2Repo1,
                             installation2Repo2);
                     Mockito.when(installation2.listRepositories())
                             .thenReturn(installation2Repos);

…bapp/it/testingframework/MockHelper.java …/githubapp/testing/GitHubAppMockito.javaintegration-tests/testing-framework/src/test/java/io/quarkiverse/githubapp/it/testingframework/MockHelper.java renamed to testing/src/main/java/io/quarkiverse/githubapp/testing/GitHubAppMockito.java integration-tests/testing-framework/src/test/java/io/quarkiverse/githubapp/it/testingframework/MockHelper.java renamed to testing/src/main/java/io/quarkiverse/githubapp/testing/GitHubAppMockito.java

@@ -1,22 +1,34 @@
-package io.quarkiverse.githubapp.it.testingframework;
+package io.quarkiverse.githubapp.testing;
 
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.withSettings;
 
 import java.util.Iterator;
 import java.util.List;
 
 import org.kohsuke.github.PagedIterator;
 import org.kohsuke.github.PagedSearchIterable;
+import org.mockito.Answers;
+import org.mockito.quality.Strictness;
 
-class MockHelper {
+public final class GitHubAppMockito {
+
+    private GitHubAppMockito() {
+    }
+
+    public static <T> T mockBuilder(Class<T> builderClass) {
+        return mock(builderClass, withSettings().defaultAnswer(Answers.RETURNS_SELF));
+    }
 
     @SafeVarargs
     @SuppressWarnings("unchecked")
     public static <T> PagedSearchIterable<T> mockPagedIterable(T... contentMocks) {
-        PagedSearchIterable<T> iterableMock = mock(PagedSearchIterable.class);
+        PagedSearchIterable<T> iterableMock = mock(PagedSearchIterable.class,
+                withSettings().stubOnly().strictness(Strictness.LENIENT).defaultAnswer(Answers.RETURNS_SELF));
+        when(iterableMock.spliterator()).thenAnswer(ignored -> List.of(contentMocks).spliterator());
         when(iterableMock.iterator()).thenAnswer(ignored -> {
-            PagedIterator<T> iteratorMock = mock(PagedIterator.class);
+            PagedIterator<T> iteratorMock = mock(PagedIterator.class, withSettings().stubOnly().strictness(Strictness.LENIENT));
             Iterator<T> actualIterator = List.of(contentMocks).iterator();
             when(iteratorMock.next()).thenAnswer(ignored2 -> actualIterator.next());
             when(iteratorMock.hasNext()).thenAnswer(ignored2 -> actualIterator.hasNext());