Remove function calls inside of 'expect'

src/testing/fixtures.rs

@@ -318,10 +318,12 @@ where
     G::Vertex: Debug,
     G::Edge: Debug,
 {
-    let path = path_option.expect(&format!(
+    let path = path_option.unwrap_or_else(|| {
+        panic!(
             "path should exist between source vertex {:?} and connected targets {:?}",
             source, targets
-    ));
+        )
+    });
 
     if targets.contains(&source) {
         assert!(
@@ -402,9 +404,9 @@ pub fn assert_isomorphic<G: GraphTopology, H: GraphTopology>(
                 .position(|x| {
                     vertex_map(x.vertex) == incidence.vertex && edge_map(x.edge) == incidence.edge
                 })
-                .expect(&format!(
+                .unwrap_or_else(|| {
-                    "unexpected incidence {incidence:?} of vertex {v:?} in the other graph"
+                    panic!("unexpected incidence {incidence:?} of vertex {v:?} in the other graph")
-                ));
+                });
             expected.swap_remove(pos);
         }
         assert!(

src/testing/graph_topology_deletion_testing.rs

@@ -452,10 +452,12 @@ fn assert_vertex_incidences<G: GraphTopology>(
         let pos = expected
             .iter()
             .position(|x| *x == incidence)
-            .expect(&format!(
+            .unwrap_or_else(|| {
+                panic!(
                     "unexpected incidence {incidence:?} of vertex {:?} from iterator after delete",
                     v
-            ));
+                )
+            });
         expected.swap_remove(pos);
     }
     assert!(
@@ -479,10 +481,12 @@ fn assert_vertex_incidence_cursor<G: GraphTopology>(
         let pos = expected
             .iter()
             .position(|x| *x == incidence)
-            .expect(&format!(
+            .unwrap_or_else(|| {
+                panic!(
                     "unexpected incidence {incidence:?} of vertex {:?} from cursor after delete",
                     v
-            ));
+                )
+            });
         expected.swap_remove(pos);
     }
     assert!(
@@ -508,10 +512,12 @@ fn assert_incident_edges_after_delete<G: GraphTopology>(
         v
     );
     for e in graph.incident_edges(v) {
-        let pos = expected.iter().position(|f| *f == e).expect(&format!(
+        let pos = expected.iter().position(|f| *f == e).unwrap_or_else(|| {
+            panic!(
                 "unexpected incident edge {e:?} of vertex {:?} after delete",
                 v
-        ));
+            )
+        });
         expected.swap_remove(pos);
     }
     assert!(

src/testing/graph_topology_testing.rs

@@ -278,10 +278,12 @@ where
         let i = expected_adjacency
             .iter()
             .position(|w| *w == v)
-            .expect(&format!(
+            .unwrap_or_else(|| {
+                panic!(
                     "unexpected adjacent vertex {v:?} of {:?} from iterator",
                     vertices[4]
-            ));
+                )
+            });
         expected_adjacency.swap_remove(i);
     }
     assert_eq!(
@@ -443,10 +445,12 @@ where
         );
         let mut expected: Vec<_> = incidences[i].iter().map(|x| x.edge).collect();
         for e in graph.incident_edges(vertices[i]) {
-            let pos = expected.iter().position(|f| *f == e).expect(&format!(
+            let pos = expected.iter().position(|f| *f == e).unwrap_or_else(|| {
+                panic!(
                     "unexpected incident edge {e:?} of vertex {:?} from iterator",
                     vertices[i]
-            ));
+                )
+            });
             expected.swap_remove(pos);
         }
         assert!(
@@ -487,10 +491,9 @@ where
     for i in 0..2 {
         let mut expected = edges.to_vec();
         for e in graph.incident_edges(vertices[i]) {
-            let pos = expected.iter().position(|f| *f == e).expect(&format!(
+            let pos = expected.iter().position(|f| *f == e).unwrap_or_else(|| {
-                "unexpected incident edge {e:?} of vertex {:?}",
+                panic!("unexpected incident edge {e:?} of vertex {:?}", vertices[i])
-                vertices[i]
+            });
-            ));
             expected.swap_remove(pos);
         }
         assert!(
@@ -529,10 +532,12 @@ where
             let pos = expected
                 .iter()
                 .position(|x| *x == incidence)
-                .expect(&format!(
+                .unwrap_or_else(|| {
+                    panic!(
                         "unexpected incidence {incidence:?} of vertex {:?} from iterator",
                         vertices[i]
-                ));
+                    )
+                });
             expected.swap_remove(pos);
         }
         assert!(
@@ -611,10 +616,12 @@ where
     for i in 0..2 {
         let mut iter = graph.incidences(vertices[i]);
         for j in 0..K {
-            let current = iter.next().expect(&format!(
+            let current = iter.next().unwrap_or_else(|| {
+                panic!(
                     "incidence {j} missing, expected {K} incidences for vertex {:?}",
                     vertices[i]
-            ));
+                )
+            });
             assert_eq!(
                 current.vertex,
                 vertices[1 - i],
@@ -665,10 +672,12 @@ where
             let pos = expected
                 .iter()
                 .position(|x| *x == incidence)
-                .expect(&format!(
+                .unwrap_or_else(|| {
+                    panic!(
                         "unexpected incidence {incidence:?} of vertex {:?} from cursor",
                         vertices[i]
-                ));
+                    )
+                });
             expected.swap_remove(pos);
         }
         assert!(
@@ -710,10 +719,12 @@ where
     for i in 0..2 {
         let mut cursor = graph.incidence_cursor(vertices[i]);
         for j in 0..K {
-            let current = cursor.next(&graph).expect(&format!(
+            let current = cursor.next(&graph).unwrap_or_else(|| {
+                panic!(
                     "incidence {j} missing, expected {K} incidences for vertex {:?}",
                     vertices[i]
-            ));
+                )
+            });
             assert_eq!(
                 current.vertex,
                 vertices[1 - i],
@@ -789,9 +800,9 @@ where
     for u in graph.vertices() {
         let mut expected: Vec<_> = graph.incidences(u).map(|x| x.edge).collect();
         for e in graph.incident_edges(u) {
-            let pos = expected.iter().position(|f| *f == e).expect(&format!(
+            let pos = expected.iter().position(|f| *f == e).unwrap_or_else(|| {
-                "incident edge {e:?} of vertex {u:?} missing from incidences"
+                panic!("incident edge {e:?} of vertex {u:?} missing from incidences")
-            ));
+            });
             expected.swap_remove(pos);
         }
         assert!(