feat : include test cases 🌵(#1)

tests/smart-contracts.test.rs

@@ -0,0 +1,43 @@
+#[test]
+fn test_create_success() -> Result<(), ProgramError> {
+  // 1. Create a mock context with required accounts
+  let mut context = MockContext::default();
+  let user_key = context.payer.key();
+  let campaign_key = Pubkey::new(&[1u8; 32]); // Replace with a unique key
+
+  // 2. Set up campaign data
+  let name = "Test Campaign".to_string();
+  let description = "This is a test campaign for demonstration purposes.".to_string();
+  let target_amount = 1000000000; // 1 SOL
+  let project_url = "https://example.com/project".to_string();
+  let progress_update_url = "https://example.com/updates".to_string();
+  let project_image_url = "https://example.com/image.jpg".to_string();
+  let category = "Technology".to_string();
+
+  // 3. Create accounts with mock data
+  let mut campaign_account = Account::new_empty(9000);
+  context.accounts.campaign = campaign_account.to_account_info().clone();
+  context.accounts.user = context.payer.to_account_info().clone();
+
+  // 4. Call the create instruction
+  smart_contracts::create(context.clone(), name, description, target_amount, project_url, progress_update_url, project_image_url, category)?;
+
+  // 5. Assert campaign data is set correctly
+  let campaign_data = &context.accounts.campaign.data.borrow()[..];
+  let campaign: Campaign = Account::<Campaign>::try_deserialize(&mut &campaign_data[..])?;
+  assert_eq!(campaign.name, name);
+  assert_eq!(campaign.description, description);
+  assert_eq!(campaign.target_amount, target_amount);
+  assert_eq!(campaign.project_url, project_url);
+  assert_eq!(campaign.progress_update_url, progress_update_url);
+  assert_eq!(campaign.project_image_url, project_image_url);
+  assert_eq!(campaign.category, category);
+  assert_eq!(campaign.admin, user_key);
+  assert_eq!(campaign.amount_donated, 0);
+  assert_eq!(campaign.amount_withdrawn, 0);
+
+  Ok(())
+}
+
+
+