feat: rewrite inline config using figment (foundry-rs#9414)

* feat: rewrite inline config using figment

* wip

* wip

* fix: use same GasLimit type

* wip

* fixes

* tests

* test fixes

* fmt

* test update

Author: DaniPopes

Cargo.lock

@@ -27,11 +27,12 @@ dirs-next = "2"
 dunce.workspace = true
 eyre.workspace = true
 figment = { workspace = true, features = ["toml", "env"] }
-globset = "0.4"
 glob = "0.3"
+globset = "0.4"
 Inflector = "0.11"
-number_prefix = "0.4"
+itertools.workspace = true
 mesc.workspace = true
+number_prefix = "0.4"
 regex.workspace = true
 reqwest.workspace = true
 semver = { workspace = true, features = ["serde"] }

crates/config/Cargo.toml

@@ -1,9 +1,5 @@
 //! Configuration for fuzz testing.
 
-use crate::inline::{
-    parse_config_bool, parse_config_u32, InlineConfigParser, InlineConfigParserError,
-    INLINE_CONFIG_FUZZ_KEY,
-};
 use alloy_primitives::U256;
 use serde::{Deserialize, Serialize};
 use std::path::PathBuf;
@@ -53,50 +49,13 @@ impl FuzzConfig {
     /// Creates fuzz configuration to write failures in `{PROJECT_ROOT}/cache/fuzz` dir.
     pub fn new(cache_dir: PathBuf) -> Self {
         Self {
-            runs: 256,
-            max_test_rejects: 65536,
-            seed: None,
-            dictionary: FuzzDictionaryConfig::default(),
-            gas_report_samples: 256,
             failure_persist_dir: Some(cache_dir),
             failure_persist_file: Some("failures".to_string()),
-            show_logs: false,
+            ..Default::default()
         }
     }
 }
 
-impl InlineConfigParser for FuzzConfig {
-    fn config_key() -> String {
-        INLINE_CONFIG_FUZZ_KEY.into()
-    }
-
-    fn try_merge(&self, configs: &[String]) -> Result<Option<Self>, InlineConfigParserError> {
-        let overrides: Vec<(String, String)> = Self::get_config_overrides(configs);
-
-        if overrides.is_empty() {
-            return Ok(None)
-        }
-
-        let mut conf_clone = self.clone();
-
-        for pair in overrides {
-            let key = pair.0;
-            let value = pair.1;
-            match key.as_str() {
-                "runs" => conf_clone.runs = parse_config_u32(key, value)?,
-                "max-test-rejects" => conf_clone.max_test_rejects = parse_config_u32(key, value)?,
-                "dictionary-weight" => {
-                    conf_clone.dictionary.dictionary_weight = parse_config_u32(key, value)?
-                }
-                "failure-persist-file" => conf_clone.failure_persist_file = Some(value),
-                "show-logs" => conf_clone.show_logs = parse_config_bool(key, value)?,
-                _ => Err(InlineConfigParserError::InvalidConfigProperty(key))?,
-            }
-        }
-        Ok(Some(conf_clone))
-    }
-}
-
 /// Contains for fuzz testing
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub struct FuzzDictionaryConfig {
@@ -132,68 +91,3 @@ impl Default for FuzzDictionaryConfig {
         }
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use crate::{inline::InlineConfigParser, FuzzConfig};
-
-    #[test]
-    fn unrecognized_property() {
-        let configs = &["forge-config: default.fuzz.unknownprop = 200".to_string()];
-        let base_config = FuzzConfig::default();
-        if let Err(e) = base_config.try_merge(configs) {
-            assert_eq!(e.to_string(), "'unknownprop' is an invalid config property");
-        } else {
-            unreachable!()
-        }
-    }
-
-    #[test]
-    fn successful_merge() {
-        let configs = &[
-            "forge-config: default.fuzz.runs = 42424242".to_string(),
-            "forge-config: default.fuzz.dictionary-weight = 42".to_string(),
-            "forge-config: default.fuzz.failure-persist-file = fuzz-failure".to_string(),
-        ];
-        let base_config = FuzzConfig::default();
-        let merged: FuzzConfig = base_config.try_merge(configs).expect("No errors").unwrap();
-        assert_eq!(merged.runs, 42424242);
-        assert_eq!(merged.dictionary.dictionary_weight, 42);
-        assert_eq!(merged.failure_persist_file, Some("fuzz-failure".to_string()));
-    }
-
-    #[test]
-    fn merge_is_none() {
-        let empty_config = &[];
-        let base_config = FuzzConfig::default();
-        let merged = base_config.try_merge(empty_config).expect("No errors");
-        assert!(merged.is_none());
-    }
-
-    #[test]
-    fn merge_is_none_unrelated_property() {
-        let unrelated_configs = &["forge-config: default.invariant.runs = 2".to_string()];
-        let base_config = FuzzConfig::default();
-        let merged = base_config.try_merge(unrelated_configs).expect("No errors");
-        assert!(merged.is_none());
-    }
-
-    #[test]
-    fn override_detection() {
-        let configs = &[
-            "forge-config: default.fuzz.runs = 42424242".to_string(),
-            "forge-config: ci.fuzz.runs = 666666".to_string(),
-            "forge-config: default.invariant.runs = 2".to_string(),
-            "forge-config: default.fuzz.dictionary-weight = 42".to_string(),
-        ];
-        let variables = FuzzConfig::get_config_overrides(configs);
-        assert_eq!(
-            variables,
-            vec![
-                ("runs".into(), "42424242".into()),
-                ("runs".into(), "666666".into()),
-                ("dictionary-weight".into(), "42".into())
-            ]
-        );
-    }
-}