adding to price parsing test

src/amount.rs

@@ -21,11 +21,10 @@ impl Amount {
     pub fn new(quantity: Quantity, commodity: Option<*const Commodity>) -> Self {
         Self {
             quantity,
-            commodity: if commodity.is_some() {
-                commodity.unwrap()
-            } else {
-                std::ptr::null()
-            },
+            commodity: match commodity {
+                Some(c) => c,
+                _ => std::ptr::null()
+            }
         }
     }
 

src/parser.rs

@@ -183,7 +183,7 @@ impl<'j, T: Read> Parser<'j, T> {
                         todo!("handle other directives");
                     }
                 }
-                todo!("the rest")
+                // TODO: todo!("the rest")
             }
         }
 

src/pool.rs

@@ -156,7 +156,6 @@ impl CommodityPool {
         is_per_unit: bool,
         moment: NaiveDateTime,
     ) -> (CostBreakdown, Option<Price>) {
-        // amount.commodity_index
 
         // annotations
         let annotation_opt: Option<&Annotation> =

tests/functional-tests.rs

@@ -5,7 +5,8 @@
 
 use std::io::Cursor;
 
-use ledger_rs_lib::journal::Journal;
+use chrono::Local;
+use ledger_rs_lib::{journal::Journal, amount::{Amount, Quantity}};
 
 /// TODO: complete the functionality and the test
 //#[test]
@@ -19,7 +20,13 @@ P 2022-03-03 13:00:00 EUR 1.12 USD
     ledger_rs_lib::parse_text(text, &mut j);
 
     // Assert
-    //j.
+    let eur = j.commodity_pool.find("EUR").unwrap();
+    let usd = j.commodity_pool.find("USD").unwrap();
+    let three_eur = Amount::new(Quantity::from(3), Some(eur));
+    let exch_rate = Amount::new(Quantity::from(1.5), Some(usd));
+
+    let (cost_breakdown, price) = j.commodity_pool.exchange(&three_eur, &exch_rate, true, Local::now().naive_local());
+    assert!(price.is_some());
     todo!("check that the price was parsed")
 }