added the JUnit tests for UserFileDAO -ak

1 files changed, 112 insertions, 0 deletions

diff --git a/ufund-api/src/test/java/com/ufund/api/ufundapi/persistence/UserFileDAOTest.java b/ufund-api/src/test/java/com/ufund/api/ufundapi/persistence/UserFileDAOTest.java
new file mode 100644
index 0000000..dfe9b10
--- /dev/null
+++ b/ufund-api/src/test/java/com/ufund/api/ufundapi/persistence/UserFileDAOTest.java
@@ -0,0 +1,112 @@
+package com.ufund.api.ufundapi.persistence;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.io.File;
+import java.io.IOException;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import com.ufund.api.ufundapi.model.User;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Tag;
+import org.junit.jupiter.api.Test;
+
+@Tag("Persistence-tier")
+public class UserFileDAOTest {
+    UserFileDAO userFileDAO;
+    User[] testUsers;
+    ObjectMapper mockObjectMapper;
+
+    @BeforeEach
+    public void setupHeroFileDAO() throws IOException {
+        mockObjectMapper = mock(ObjectMapper.class);
+        testUsers = new User[3];
+        testUsers[0] = new User("bob");
+		testUsers[1] = new User("admin");
+		testUsers[2] = new User("jelly12");
+
+        // When the object mapper is supposed to read from the file
+        // the mock object mapper will return the hero array above
+        when(mockObjectMapper
+            .readValue(new File("doesnt_matter.txt"),User[].class))
+                .thenReturn(testUsers);
+        userFileDAO = new UserFileDAO("doesnt_matter.txt",mockObjectMapper);
+    }
+
+    @Test
+    public void GetUsersTest() throws IOException {
+        User[] users = userFileDAO.getUsers();
+
+        assertEquals(users.length,testUsers.length);
+		
+        for (int i = 0; i < testUsers.length;++i) {
+			boolean isInArray = false;
+            for (User user : testUsers) {
+				if (users[i].getName().equals(user.getName())) {
+					isInArray = true;
+				}
+			}
+			assertTrue(isInArray);
+		}
+    }
+
+    @Test
+    public void FindUsersTest() throws IOException {
+		User realUser1 = userFileDAO.getUser("bob");
+		User realUser2 = userFileDAO.getUser("admin");
+
+		assertEquals(testUsers[0], realUser1);
+		assertEquals(testUsers[1], realUser2);
+    }
+
+	@Test
+    public void FindUsersNullTest() throws IOException {
+		User fakeUser = userFileDAO.getUser("phil.n.thropist");
+
+		assertNull(fakeUser);
+    }
+
+	@Test
+	public void CreateUserTest() throws IOException {
+		User newUser = new User("keshey");
+		userFileDAO.createUser(newUser);
+
+		User actualUser = userFileDAO.getUser("keshey");
+		assertNotNull(actualUser);
+
+		assertEquals(actualUser.getName(), newUser.getName());
+	}
+
+	@Test
+	public void DeleteUserTest() throws IOException {
+		User notDeletedUser = userFileDAO.getUser("jelly12");
+		assertNotNull(notDeletedUser);
+
+		boolean isDeleted = userFileDAO.deleteUser("jelly12");
+		assertTrue(isDeleted);
+
+		User deletedUser = userFileDAO.getUser("jelly12");
+		assertNull(deletedUser);
+	}
+
+	@Test
+	public void UpdateUserTest() throws IOException {
+		User toBeUpdatedUser = userFileDAO.getUser("admin");
+		assertNotNull(toBeUpdatedUser);
+
+		User updatedUser = new User("jellinadmin");
+
+		updatedUser = userFileDAO.updateUser(updatedUser, "admin");
+		assertNotEquals(toBeUpdatedUser, updatedUser);
+		assertEquals("jellinadmin", updatedUser.getName());
+	}
+
+}