Add pretty_assertions to tests

Cargo.lock

@@ -156,6 +156,22 @@ dependencies = [
  "os_str_bytes",
 ]
 
+[[package]]
+name = "ctor"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdffe87e1d521a10f9696f833fe502293ea446d7f256c06128293a4119bdf4cb"
+dependencies = [
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "diff"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
+
 [[package]]
 name = "either"
 version = "1.7.0"
@@ -509,6 +525,7 @@ dependencies = [
  "clap",
  "humantime-serde",
  "itertools",
+ "pretty_assertions",
  "rumqttc",
  "rust_decimal",
  "serde",
@@ -585,6 +602,15 @@ version = "6.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "21326818e99cfe6ce1e524c2a805c189a99b5ae555a35d19f9a284b427d86afa"
 
+[[package]]
+name = "output_vt100"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "628223faebab4e3e40667ee0b2336d34a5b960ff60ea743ddfdbcf7770bcfb66"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
@@ -635,6 +661,18 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5da3b0203fd7ee5720aa0b5e790b591aa5d3f41c3ed2c34a3a393382198af2f7"
 
+[[package]]
+name = "pretty_assertions"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c89f989ac94207d048d92db058e4f6ec7342b0971fc58d1271ca148b799b3563"
+dependencies = [
+ "ansi_term",
+ "ctor",
+ "diff",
+ "output_vt100",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"

Cargo.toml

@@ -20,3 +20,6 @@ tokio-modbus = "0.5.3"
 tokio-serial = "5.4.3"
 tracing = "0.1.36"
 tracing-subscriber = "0.3.15"
+
+[dev-dependencies]
+pretty_assertions = "1.2.1"

src/modbus/config.rs

@@ -1,6 +1,8 @@
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
 
+#[cfg(test)]
+use pretty_assertions::{assert_eq, assert_ne};
 #[cfg(test)]
 use serde_json::json;
 

src/modbus/mod.rs

@@ -123,7 +123,8 @@ impl Register {
         }
     }
 }
-
+#[cfg(test)]
+use pretty_assertions::{assert_eq, assert_ne};
 #[test]
 fn test_parse_1() {
     use self::config::{RegisterParse, Swap};