tests now assert

Author: molpopgen

tests/book_table_collection.rs

@@ -232,7 +232,7 @@ mod node_metadata {
 }
 
 mod node_metadata_clone {
-    #[derive(Clone, serde::Serialize, serde::Deserialize)]
+    #[derive(Debug, Eq, PartialEq, Clone, serde::Serialize, serde::Deserialize)]
     pub struct NodeMetadata {
         pub value: i32,
     }
@@ -310,9 +310,8 @@ fn test_adding_node_table_row_with_defaults_and_metadata_requiring_clone() {
     };
     // ANCHOR_END: node_defaults_with_some_metadata_default
 
-    // We can scoop all non-metadata fields even though
-    // type is not Copy/Clone
-    let _ = tables
+    // ANCHOR: node_defaults_with_some_metadata_default_add_first_row
+    let n0 = tables
         .add_node_with_defaults(
             0.0,
             &DefaultsWithMetadata {
@@ -321,11 +320,21 @@ fn test_adding_node_table_row_with_defaults_and_metadata_requiring_clone() {
             },
         )
         .unwrap();
+    // ANCHOR_END: node_defaults_with_some_metadata_default_add_first_row
+    assert_eq!(
+        tables
+            .nodes()
+            .metadata::<NodeMetadata>(n0)
+            .unwrap()
+            .unwrap(),
+        NodeMetadata { value: 2 * 42 }
+    );
 
     // But now, we start to cause a problem:
     // If we don't clone here, our metadata type moves,
     // so our defaults are moved.
-    let _ = tables
+    // ANCHOR: node_defaults_with_some_metadata_default_add_second_row
+    let n1 = tables
         .add_node_with_defaults(
             0.0,
             &DefaultsWithMetadata {
@@ -334,10 +343,20 @@ fn test_adding_node_table_row_with_defaults_and_metadata_requiring_clone() {
             },
         )
         .unwrap();
+    // ANCHOR_END: node_defaults_with_some_metadata_default_add_second_row
+    assert_eq!(
+        tables
+            .nodes()
+            .metadata::<NodeMetadata>(n1)
+            .unwrap()
+            .unwrap(),
+        NodeMetadata { value: 42 }
+    );
 
     // Now, we have a use-after-move error
     // if we hadn't cloned in the last step.
-    let _ = tables
+    // ANCHOR: node_defaults_with_some_metadata_default_add_third_row
+    let n2 = tables
         .add_node_with_defaults(
             0.0,
             &DefaultsWithMetadata {
@@ -346,4 +365,13 @@ fn test_adding_node_table_row_with_defaults_and_metadata_requiring_clone() {
             },
         )
         .unwrap();
+    // ANCHOR_END: node_defaults_with_some_metadata_default_add_third_row
+    assert_eq!(
+        tables
+            .nodes()
+            .metadata::<NodeMetadata>(n2)
+            .unwrap()
+            .unwrap(),
+        NodeMetadata { value: 42 }
+    );
 }