percentage test

contracts/fair-launch/tests/fair_launch_test.rs

@@ -2,9 +2,25 @@
 
 mod tests_common;
 
+use fair_launch::initial_launch::InitialLaunchModule;
 use tests_common::*;
 
 #[test]
 fn init_test() {
     let _ = FairLaunchSetup::new(fair_launch::contract_obj);
 }
+
+#[test]
+fn percentage_test() {
+    let mut fr_setup = FairLaunchSetup::new(fair_launch::contract_obj);
+    fr_setup.b_mock.set_block_nonce(10);
+    fr_setup
+        .b_mock
+        .execute_query(&fr_setup.fl_wrapper, |sc| {
+            let percentage =
+                sc.get_fee_percentage(BUY_FEE_PERCENTAGE_START, BUY_FEE_PERCENTAGE_END);
+            let expected_percentage = BUY_FEE_PERCENTAGE_START - 808; // (BUY_FEE_PERCENTAGE_END - BUY_FEE_PERCENTAGE_START) * 10 blocks / (100 blocks - 1) ~= 808
+            assert_eq!(percentage, expected_percentage);
+        })
+        .assert_ok();
+}

contracts/fair-launch/tests/tests_common.rs

@@ -1,9 +1,9 @@
 #![allow(deprecated)]
 
-use fair_launch::{common::Percentage, FairLaunch};
-use multiversx_sc::types::Address;
+use fair_launch::{common::Percentage, token_info::TokenInfoModule, FairLaunch};
+use multiversx_sc::{storage::mappers::StorageTokenWrapper, types::Address};
 use multiversx_sc_scenario::{
-    managed_biguint, rust_biguint,
+    managed_biguint, managed_token_id, rust_biguint,
     testing_framework::{BlockchainStateWrapper, ContractObjWrapper},
     DebugApi,
 };
@@ -56,6 +56,8 @@ where
                     SELL_FEE_PERCENTAGE_START,
                     SELL_FEE_PERCENTAGE_END,
                 );
+                sc.non_fungible_token()
+                    .set_token_id(managed_token_id!(TOKEN_ID));
             })
             .assert_ok();