Use pretty_assertions, fix deleted items notification test

Cargo.lock

@@ -37,6 +37,7 @@ dependencies = [
  "console_error_panic_hook",
  "getrandom",
  "indoc",
+ "pretty_assertions",
  "scraper",
  "serde",
  "serde-wasm-bindgen 0.6.5",
@@ -168,6 +169,12 @@ dependencies = [
  "syn 2.0.68",
 ]
 
+[[package]]
+name = "diff"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
+
 [[package]]
 name = "dtoa"
 version = "1.0.9"
@@ -624,6 +631,16 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
+[[package]]
+name = "pretty_assertions"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af7cee1a6c8a5b9208b3cb1061f10c0cb689087b3d8ce85fb9d2dd7a29b6ba66"
+dependencies = [
+ "diff",
+ "yansi",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.86"
@@ -1222,6 +1239,12 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "yansi"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
+
 [[package]]
 name = "zerocopy"
 version = "0.7.34"

Cargo.toml

@@ -23,3 +23,6 @@ indoc = "2.0.5"
 # WebAssembly support.
 getrandom = { version = "0.2", features = ["js"] }
 serde-wasm-bindgen = "0.6.5"
+
+[dev-dependencies]
+pretty_assertions = "1.4.0"

src/format.rs

@@ -73,6 +73,7 @@ pub fn format_deleted_item(item: &ShopItem) -> String {
 mod format_new_tests {
     use super::*;
     use indoc::indoc;
+    use pretty_assertions::assert_eq;
 
     #[test]
     fn item_formatted() {

src/lib.rs

@@ -103,8 +103,10 @@ fn diff_old_new_items(old_items: &ShopItems, new_items: &ShopItems) -> Vec<Strin
 #[cfg(test)]
 mod diff_old_new_items_tests {
     use super::*;
-    use indoc::indoc;
+
+    use indoc::formatdoc;
     use items::ShopItem;
+    use pretty_assertions::assert_eq;
 
     #[test]
     fn deleted_items_notification() {
@@ -130,9 +132,12 @@ mod diff_old_new_items_tests {
         assert_eq!(
             result[0],
             formatdoc! {
-                "*Item DELETED:* Item 2
-                *Description:* Description 2
-                *Price:* 200"
+                "*Item DELETED:* {full_name}
+                *Description:* {description}
+                *Price:* {price}",
+                full_name = item_2.full_name,
+                description = item_2.description.as_ref().unwrap_or(&"_not set_".into()),
+                price = item_2.price,
             }
         );
     }