Extract logic from classes

src/test/java/app/controllers/EditorControllerTest.java

@@ -37,6 +37,7 @@ import org.mockito.junit.jupiter.MockitoExtension;
 import app.testing.FxTestTemplate;
 import app.model.Model;
 import app.model.ProgrammingLanguage;
+import app.service.FileOperations;
 import app.service.LanguageOperations;
 import app.events.CopyEvent;
 import app.events.CutEvent;
@@ -88,16 +89,14 @@ public class EditorControllerTest extends FxTestTemplate {
     String resourcePath = "/testfile.txt";
     String filePath = getClass().getResource(resourcePath).getPath();
     File file = new File(filePath);
-    List<String> content =
-      Files.readAllLines(file.toPath())
-        .stream()
-        .map(s -> s + "\n")
-        .collect(Collectors.toList());
 
-    eventBus.post(new FileSelectedEvent(filePath));
-    verify(editor, times(content.size())).appendText(captor.capture());
+    eventBus.post(new FileSelectedEvent(file.toPath()));
+    try (MockedStatic<FileOperations> mocked = mockStatic(FileOperations.class)) {
+      mocked.when(() -> FileOperations.readFile(any()))
+        .thenReturn("");
 
-    assertEquals(content, captor.getAllValues());
+      mocked.verify(() -> FileOperations.readFile(file.toPath()));
+    }
   }
 
   @Test
@@ -105,7 +104,7 @@ public class EditorControllerTest extends FxTestTemplate {
   public void testFileSelectedEventWithUnrealFile() throws IOException {
 
     String brokenFilePath = "/doesNotExist.txt";
-    eventBus.post(new FileSelectedEvent(brokenFilePath));
+    eventBus.post(new FileSelectedEvent(new File(brokenFilePath).toPath()));
 
     verify(editor, never()).clear();
   }