added test to improve coverage

client/src/test/java/client/scenes/PrintExportTest.java

@@ -17,13 +17,15 @@ import java.util.List;
 import static org.junit.jupiter.api.Assertions.*;
 
 public class PrintExportTest {
-
+    @TempDir
+    Path tempDir;
 
     @Test
     public void buildRecipeTextTest(){
         List<RecipeIngredient> ingredients = new ArrayList<>();
         ingredients.add(DefaultValueFactory.getDefaultVagueIngredient("Banana"));
         ingredients.add(DefaultValueFactory.getDefaultVagueIngredient("Bread"));
+
         final long testRecipeId = 1234L;
         List<String> preparationSteps = new ArrayList<>();
         preparationSteps.add("Mix Ingredients");
@@ -38,11 +40,8 @@ public class PrintExportTest {
                 1: Mix Ingredients
                 2: Heat in Oven
                 """, PrintExportService.buildRecipeText(recipe1));
-
     }
 
-    @TempDir
-    Path tempDir;
     @Test
     public void validateFolderWithValidFolderTest(){
         assertDoesNotThrow(() -> PrintExportService.validateFolder(tempDir));
@@ -63,4 +62,27 @@ public class PrintExportTest {
         assertEquals("Given path is not a folder", i.getMessage());
     }
 
+    @Test
+    public void succesExportTest() throws IOException {
+        String data = "recipe data";
+        String fileName = "succes.txt";
+        Path filePath = tempDir.resolve(fileName);
+
+        PrintExportService.exportToFile(data,tempDir,fileName);
+
+        assertTrue(Files.exists(filePath));
+        assertEquals(data, Files.readString(filePath));
+    }
+
+    @Test
+    public void failExportTest(){
+        String data = "recipe data";
+        String fileName = "succes.txt";
+        Path filePath = tempDir.resolve("fail/failDir");
+
+        IllegalArgumentException i = assertThrows(IllegalArgumentException.class,
+                ()->PrintExportService.exportToFile(data,filePath,fileName));
+        assertEquals("Folder does not exist", i.getMessage());
+    }
+
 }