test the default config (#46)

## changelog
- add `nu::value::from_nuon` to convert NUON text to a Nushell value
- read the default config file in the test to make sure it's the same as
the default implementation of `Config`

Cargo.toml

@@ -8,6 +8,7 @@ console = "0.15.7"
 crossterm = "0.27.0"
 nu-plugin = { git = "https://github.com/devyn/nushell", branch = "plugin-local-socket", package = "nu-plugin" }
 nu-protocol = { git = "https://github.com/devyn/nushell", branch = "plugin-local-socket", package = "nu-protocol", features = ["plugin"] }
+nu-parser = { git = "https://github.com/devyn/nushell", branch = "plugin-local-socket", package = "nu-parser" }
 ratatui = "0.26.1"
 url = "2.4.0"
 

src/config/mod.rs

@@ -623,6 +623,8 @@ mod tests {
     use crossterm::event::KeyCode;
     use nu_protocol::{record, Record, Value};
 
+    use crate::nu::value::from_nuon;
+
     use super::{repr_keycode, Config};
 
     #[test]
@@ -699,4 +701,15 @@ mod tests {
         expected.keybindings.navigation.up = KeyCode::Char('x');
         assert_eq!(Config::from_value(value), Ok(expected));
     }
+
+    #[test]
+    fn same_as_default() {
+        assert_eq!(
+            Config::default(),
+            Config::from_value(
+                from_nuon(include_str!("../../examples/config/default.nuon")).unwrap()
+            )
+            .unwrap()
+        )
+    }
 }