From 49f285d8a0e49223f09de54af630673fcd79d208 Mon Sep 17 00:00:00 2001
From: plule <630159+plule@users.noreply.github.com>
Date: Mon, 14 Nov 2022 13:02:53 +0100
Subject: [PATCH] Improve settings robustness

---
 src/settings/mod.rs  | 11 ++++++++---
 src/settings/v1.rs   | 18 ++++++++++++++++++
 src/settings/v1.yaml |  6 +++---
 3 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/src/settings/mod.rs b/src/settings/mod.rs
index ef881bd..aa38c92 100644
--- a/src/settings/mod.rs
+++ b/src/settings/mod.rs
@@ -5,6 +5,7 @@ pub type Settings = v1::Settings;
 pub type Preset = v1::Preset;
 
 #[derive(Clone, Serialize, Deserialize, PartialEq)]
+#[serde(deny_unknown_fields)]
 enum Version {
     V1(v1::Settings),
 }
@@ -63,6 +64,7 @@ impl Settings {
 #[cfg(test)]
 mod tests {
     use rstest::rstest;
+    use staff::midi::MidiNote;
 
     use super::*;
 
@@ -73,9 +75,12 @@ mod tests {
         assert_eq!("Current", settings.current_preset.name);
         assert_eq!(1, settings.presets.len());
         assert_eq!(
-            Some(staff::midi::MidiNote::from_byte(50)),
-            settings.presets[0].drone.notes[0]
+            Some(MidiNote::from_byte(50)),
+            settings.current_preset.drone.notes[0]
         );
-        assert_eq!(None, settings.presets[0].drone.notes[1]);
+        assert_eq!(None, settings.current_preset.drone.notes[1]);
+        assert_eq!(0.1, settings.current_preset.mix.drone);
+        assert_eq!(0.9, settings.current_preset.fx.echo.mix);
+        assert_eq!(0.8, settings.current_preset.fx.reverb.mix);
     }
 }
diff --git a/src/settings/v1.rs b/src/settings/v1.rs
index 9bc5983..5654a2e 100644
--- a/src/settings/v1.rs
+++ b/src/settings/v1.rs
@@ -9,6 +9,7 @@ use staff::{
 
 /// Application settings
 #[derive(Clone, Serialize, Deserialize, PartialEq, Default)]
+#[serde(deny_unknown_fields)]
 pub struct Settings {
     /// Current sound settings
     #[serde(default)]
@@ -21,6 +22,7 @@ pub struct Settings {
 
 /// Sound preset
 #[derive(Clone, Serialize, Deserialize, PartialEq)]
+#[serde(deny_unknown_fields)]
 pub struct Preset {
     /// Name of the preset
     pub name: String,
@@ -52,14 +54,20 @@ pub struct Preset {
 }
 
 #[derive(Clone, Serialize, Deserialize, PartialEq)]
+#[serde(deny_unknown_fields)]
 pub struct MixSettings {
+    #[serde(default)]
     pub master: f32,
+    #[serde(default)]
     pub lead: f32,
+    #[serde(default)]
     pub guitar: f32,
+    #[serde(default)]
     pub drone: f32,
 }
 
 #[derive(Clone, Serialize, Deserialize, PartialEq, Default)]
+#[serde(deny_unknown_fields)]
 pub struct FxSettings {
     #[serde(default)]
     pub echo: EchoSettings,
@@ -68,21 +76,31 @@ pub struct FxSettings {
 }
 
 #[derive(Clone, Serialize, Deserialize, PartialEq)]
+#[serde(deny_unknown_fields)]
 pub struct EchoSettings {
+    #[serde(default)]
     pub mix: f32,
+    #[serde(default)]
     pub duration: f32,
+    #[serde(default)]
     pub feedback: f32,
 }
 
 #[derive(Clone, Serialize, Deserialize, PartialEq)]
+#[serde(deny_unknown_fields)]
 pub struct ReverbSettings {
+    #[serde(default)]
     pub mix: f32,
+    #[serde(default)]
     pub time: f32,
+    #[serde(default)]
     pub damp: f32,
+    #[serde(default)]
     pub size: f32,
 }
 
 #[derive(Clone, Serialize, Deserialize, PartialEq)]
+#[serde(deny_unknown_fields)]
 pub struct DroneSettings {
     pub notes: [Option<MidiNote>; 4],
     pub detune: f32,
diff --git a/src/settings/v1.yaml b/src/settings/v1.yaml
index d1cde2e..e0bbde5 100644
--- a/src/settings/v1.yaml
+++ b/src/settings/v1.yaml
@@ -17,14 +17,14 @@ current_preset:
     master: 1.0
     lead: 1.0
     guitar: 1.0
-    drone: 0.4
+    drone: 0.1
   fx:
     echo:
-      mix: 1.0
+      mix: 0.9
       duration: 0.3
       feedback: 0.46
     reverb:
-      mix: 0.27
+      mix: 0.8
       time: 13.500001
       damp: 0.88
       size: 5.0