Add githandler mock to crawler test to fix NPE (#7133)

Pass githandler to crawler to enable mock

Signed-off-by: Dominik Voigt <[email protected]>

Author: DominikVoigt

src/main/java/org/jabref/gui/StartLiteratureReviewAction.java

@@ -10,6 +10,7 @@
 import org.jabref.gui.util.FileDialogConfiguration;
 import org.jabref.gui.util.TaskExecutor;
 import org.jabref.logic.crawler.Crawler;
+import org.jabref.logic.crawler.git.GitHandler;
 import org.jabref.logic.importer.ParseException;
 import org.jabref.logic.l10n.Localization;
 import org.jabref.model.entry.BibEntryTypesManager;
@@ -49,7 +50,7 @@ public void execute() {
         }
         final Crawler crawler;
         try {
-            crawler = new Crawler(studyDefinitionFile.get(), fileUpdateMonitor, JabRefPreferences.getInstance().getImportFormatPreferences(), JabRefPreferences.getInstance().getSavePreferences(), new BibEntryTypesManager());
+            crawler = new Crawler(studyDefinitionFile.get(), new GitHandler(studyDefinitionFile.get().getParent()), fileUpdateMonitor, JabRefPreferences.getInstance().getImportFormatPreferences(), JabRefPreferences.getInstance().getSavePreferences(), new BibEntryTypesManager());
         } catch (IOException | ParseException | GitAPIException e) {
             LOGGER.error("Error during reading of study definition file.", e);
             dialogService.showErrorDialogAndWait(Localization.lang("Error during reading of study definition file."), e);

src/main/java/org/jabref/logic/crawler/Crawler.java

@@ -31,9 +31,9 @@ public class Crawler {
      *
      * @param studyDefinitionFile The path to the study definition file that contains the list of targeted E-Libraries and used cross-library queries
      */
-    public Crawler(Path studyDefinitionFile, FileUpdateMonitor fileUpdateMonitor, ImportFormatPreferences importFormatPreferences, SavePreferences savePreferences, BibEntryTypesManager bibEntryTypesManager) throws IllegalArgumentException, IOException, ParseException, GitAPIException {
+    public Crawler(Path studyDefinitionFile, GitHandler gitHandler, FileUpdateMonitor fileUpdateMonitor, ImportFormatPreferences importFormatPreferences, SavePreferences savePreferences, BibEntryTypesManager bibEntryTypesManager) throws IllegalArgumentException, IOException, ParseException, GitAPIException {
         Path studyRepositoryRoot = studyDefinitionFile.getParent();
-        studyRepository = new StudyRepository(studyRepositoryRoot, new GitHandler(studyRepositoryRoot), importFormatPreferences, fileUpdateMonitor, savePreferences, bibEntryTypesManager);
+        studyRepository = new StudyRepository(studyRepositoryRoot, gitHandler, importFormatPreferences, fileUpdateMonitor, savePreferences, bibEntryTypesManager);
         Study study = studyRepository.getStudy();
         LibraryEntryToFetcherConverter libraryEntryToFetcherConverter = new LibraryEntryToFetcherConverter(study.getActiveLibraryEntries(), importFormatPreferences);
         this.studyFetcher = new StudyFetcher(libraryEntryToFetcherConverter.getActiveFetchers(), study.getSearchQueryStrings());

src/test/java/org/jabref/logic/crawler/CrawlerTest.java

@@ -6,6 +6,7 @@
 import java.nio.file.Path;
 
 import org.jabref.logic.bibtex.FieldContentFormatterPreferences;
+import org.jabref.logic.crawler.git.GitHandler;
 import org.jabref.logic.exporter.SavePreferences;
 import org.jabref.logic.importer.ImportFormatPreferences;
 import org.jabref.logic.util.io.FileUtil;
@@ -31,11 +32,13 @@ class CrawlerTest {
     ImportFormatPreferences importFormatPreferences;
     SavePreferences savePreferences;
     BibEntryTypesManager entryTypesManager;
+    GitHandler gitHandler = mock(GitHandler.class, Answers.RETURNS_DEFAULTS);
 
     @Test
     public void testWhetherAllFilesAreCreated() throws Exception {
         setUp();
         Crawler testCrawler = new Crawler(getPathToStudyDefinitionFile(),
+                gitHandler,
                 new DummyFileUpdateMonitor(),
                 importFormatPreferences,
                 savePreferences,