test: add a sanity test

matching/Cargo.toml

@@ -14,3 +14,4 @@ pathfinding = "4.9.1"
 
 [dev-dependencies]
 uuid = { workspace = true }
+parsing = { path = "../parsing" }

matching/tests/perfect_matching.rs

@@ -0,0 +1,55 @@
+use matching::matching_configuration::MatchingConfiguration;
+use model::language::Language;
+use parsing::ParserConfiguration;
+
+#[test]
+fn the_perfect_matching_calculation_is_correct() -> Result<(), Box<dyn std::error::Error>> {
+    let config = ParserConfiguration::from(Language::Java);
+    let left = parsing::parse_string(
+        r#"""
+            public class Main {
+                static {
+                    int x = 2;
+                }
+
+                public static void main() {
+                    int a = 0;
+                }
+
+                public static void teste() {
+                    
+                }
+            }
+        """#,
+        &config,
+    )?;
+
+    let right = parsing::parse_string(
+        r#"""
+            public class Main {
+                public static void teste() {
+                    
+                }
+                static {
+                    int x = 2;
+                }
+
+                public static void main() {
+                    int a = 0;
+
+                }
+            }
+        """#,
+        &config,
+    )?;
+
+    let matching_configuration = MatchingConfiguration::from(Language::Java);
+    let matchings = matching::calculate_matchings(&left, &right, &matching_configuration);
+    assert!(
+        matchings
+            .get_matching_entry(&left, &right)
+            .unwrap()
+            .is_perfect_match
+    );
+    Ok(())
+}