chore(release): 0.9.0

feat: mad not properly surfaces panics
Signed-off-by: kjuulh <contact@kjuulh.io>
2025-11-15 13:34:56 +00:00 · 2025-11-15 14:33:00 +01:00 · 2025-11-14 02:38:11 +01:00 · 2025-11-13 03:15:23 +01:00 · 2025-09-03 12:52:24 +02:00 · 2025-09-03 12:40:28 +02:00
7 changed files with 219 additions and 198 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

 ## [Unreleased]

+## [0.9.0] - 2025-11-15
+
+### Added
+- mad not properly surfaces panics
+- add publish
+- add readme
+
+### Fixed
+- *(deps)* update all dependencies (#38)
+
+### Other
+- *(deps)* update rust crate tracing-subscriber to v0.3.20 (#37)
+
 ## [0.8.1] - 2025-08-09

 ### Other
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,21 +2,6 @@
 # It is not intended for manual editing.
 version = 4

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@@ -28,15 +13,15 @@ dependencies = [

 [[package]]
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@@ -186,32 +156,15 @@ dependencies = [
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- "windows-targets",
+ "windows-targets 0.52.6",
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 [[package]]
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 [[package]]
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+ "regex-automata",
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 [[package]]
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@@ -273,12 +217,12 @@ dependencies = [
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- "windows-sys",
+ "windows-sys 0.52.0",
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 [[package]]
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@@ -295,21 +239,11 @@ dependencies = [

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+ "windows-sys 0.61.2",
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+ "windows-targets 0.52.6",
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 [[package]]
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+ "windows-sys 0.60.2",
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 [[package]]
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+name = "windows_x86_64_gnullvm"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"

+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.53.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
+
 [[package]]
 name = "wit-bindgen-rt"
 version = "0.33.0"
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["crates/*"]
 resolver = "2"

 [workspace.package]
-version = "0.8.1"
+version = "0.9.0"

 [workspace.dependencies]
 mad = { path = "crates/mad" }
--- a/crates/mad/Cargo.toml
+++ b/crates/mad/Cargo.toml
@@ -6,6 +6,7 @@ license = "MIT"
 repository = "https://github.com/kjuulh/mad"
 authors = ["kjuulh"]
 edition = "2024"
+readme = "../../README.md"

 [dependencies]
 anyhow.workspace = true
--- a/crates/mad/src/lib.rs
+++ b/crates/mad/src/lib.rs
@@ -77,8 +77,11 @@

 use futures::stream::FuturesUnordered;
 use futures_util::StreamExt;
-use std::{fmt::Display, sync::Arc, error::Error};
-use tokio::signal::unix::{SignalKind, signal};
+use std::{error::Error, fmt::Display, sync::Arc};
+use tokio::{
+    signal::unix::{SignalKind, signal},
+    task::JoinError,
+};

 use tokio_util::sync::CancellationToken;

@@ -101,15 +104,13 @@ pub enum MadError {

    /// Error that occurred during the run phase of a component.
    #[error(transparent)]
-    RunError { 
-        run: anyhow::Error 
-    },
+    RunError { run: anyhow::Error },

    /// Error that occurred during the close phase of a component.
    #[error("component(s) failed during close")]
-    CloseError { 
+    CloseError {
        #[source]
-        close: anyhow::Error 
+        close: anyhow::Error,
    },

    /// Multiple errors from different components.
@@ -180,7 +181,7 @@ impl Display for AggregateError {
        writeln!(f, "{} component errors occurred:", self.errors.len())?;
        for (i, error) in self.errors.iter().enumerate() {
            write!(f, "\n[Component {}] {}", i + 1, error)?;
-            
+
            // Print the error chain for each component error
            let mut source = error.source();
            let mut level = 1;
@@ -501,11 +502,32 @@ impl Mad {

                tracing::debug!(component = name, "mad running");

+                let handle = tokio::spawn(async move { comp.run(job_cancellation).await });
+
                tokio::select! {
                    _ = cancellation_token.cancelled() => {
                        error_tx.send(CompletionResult { res: Ok(()) , name  }).await
                    }
-                    res = comp.run(job_cancellation) => {
+                    res = handle => {
+                     let res = match res {
+                         Ok(res) => res,
+                         Err(join) => {
+                             match join.source() {
+                                 Some(error) => {
+                                     Err(MadError::RunError{run: anyhow::anyhow!("component aborted: {:?}", error)})
+                                 },
+                                 None => {
+                                     if join.is_panic(){
+                                         Err(MadError::RunError { run: anyhow::anyhow!("component panicked: {}", join) })
+                                     } else {
+                                         Err(MadError::RunError { run: anyhow::anyhow!("component faced unknown error: {}", join) })
+                                     }
+                                 },
+                             }
+                         },
+                     };
+
+
                        error_tx.send(CompletionResult { res , name  }).await
                    }
                }
@@ -796,13 +818,13 @@ mod tests {
            .context("failed to read configuration")
            .context("unable to initialize database")
            .context("service startup failed");
-        
+
        let mad_error = MadError::Inner(error);
        let display = format!("{}", mad_error);
-        
+
        // Should display the top-level error message
        assert!(display.contains("service startup failed"));
-        
+
        // Test error chain iteration
        if let MadError::Inner(ref e) = mad_error {
            let chain: Vec<String> = e.chain().map(|c| c.to_string()).collect();
@@ -818,26 +840,26 @@ mod tests {
    fn test_aggregate_error_display() {
        let error1 = MadError::Inner(
            anyhow::anyhow!("database connection failed")
-                .context("failed to connect to PostgreSQL")
+                .context("failed to connect to PostgreSQL"),
        );
-        
+
        let error2 = MadError::Inner(
            anyhow::anyhow!("port already in use")
                .context("failed to bind to port 8080")
-                .context("web server initialization failed")
+                .context("web server initialization failed"),
        );
-        
+
        let aggregate = MadError::AggregateError(AggregateError {
            errors: vec![error1, error2],
        });
-        
+
        let display = format!("{}", aggregate);
-        
+
        // Check that it shows multiple errors
        assert!(display.contains("2 component errors occurred"));
        assert!(display.contains("[Component 1]"));
        assert!(display.contains("[Component 2]"));
-        
+
        // Check that context chains are displayed
        assert!(display.contains("failed to connect to PostgreSQL"));
        assert!(display.contains("database connection failed"));
@@ -852,7 +874,7 @@ mod tests {
        let aggregate = AggregateError {
            errors: vec![error],
        };
-        
+
        let display = format!("{}", aggregate);
        // Single error should be displayed directly
        assert!(display.contains("single error"));
@@ -864,9 +886,9 @@ mod tests {
        let error = MadError::Inner(
            anyhow::anyhow!("root cause")
                .context("middle layer")
-                .context("top layer")
+                .context("top layer"),
        );
-        
+
        // Test that we can access the error chain
        if let MadError::Inner(ref e) = error {
            let chain: Vec<String> = e.chain().map(|c| c.to_string()).collect();
@@ -882,13 +904,13 @@ mod tests {
    #[tokio::test]
    async fn test_component_error_propagation() {
        struct FailingComponent;
-        
+
        #[async_trait::async_trait]
        impl Component for FailingComponent {
            fn name(&self) -> Option<String> {
                Some("test-component".to_string())
            }
-            
+
            async fn run(&self, _cancel: CancellationToken) -> Result<(), MadError> {
                Err(anyhow::anyhow!("IO error")
                    .context("failed to open file")
@@ -896,16 +918,16 @@ mod tests {
                    .into())
            }
        }
-        
+
        let result = Mad::builder()
            .add(FailingComponent)
            .cancellation(Some(std::time::Duration::from_millis(100)))
            .run()
            .await;
-        
+
        assert!(result.is_err());
        let error = result.unwrap_err();
-        
+
        // Check error display
        let display = format!("{}", error);
        assert!(display.contains("component initialization failed"));
--- a/crates/mad/tests/mod.rs
+++ b/crates/mad/tests/mod.rs
@@ -138,6 +138,30 @@ async fn test_can_shutdown_gracefully() -> anyhow::Result<()> {
    Ok(())
 }

+#[tokio::test]
+#[traced_test]
+async fn test_component_panics_shutdowns_cleanly() -> anyhow::Result<()> {
+    let res = Mad::builder()
+        .add_fn({
+            move |_cancel| async move {
+                panic!("my inner panic");
+            }
+        })
+        .add_fn(|cancel| async move {
+            cancel.cancelled().await;
+
+            Ok(())
+        })
+        .run()
+        .await;
+
+    let err_content = res.unwrap_err().to_string();
+    assert!(err_content.contains("component panicked"));
+    assert!(err_content.contains("my inner panic"));
+
+    Ok(())
+}
+
 #[test]
 fn test_can_easily_transform_error() -> anyhow::Result<()> {
    fn fallible() -> anyhow::Result<()> {
--- a/cuddle.yaml
+++ b/cuddle.yaml
@@ -5,6 +5,8 @@ base: "git@git.kjuulh.io:kjuulh/cuddle-rust-lib-plan.git"
 vars:
  service: "mad"
  registry: kasperhermansen
+  rust:
+    publish: {}

 please:
  project:
Author	SHA1	Message	Date
cuddle-please	ba4c468057	chore(release): 0.9.0 All checks were successful continuous-integration/drone/push Build is passing Details continuous-integration/drone/pr Build is passing Details	2025-11-15 13:34:56 +00:00
kjuulh	2d6b14ad77	feat: mad not properly surfaces panics All checks were successful continuous-integration/drone/pr Build is passing Details continuous-integration/drone/push Build is passing Details Signed-off-by: kjuulh <contact@kjuulh.io>	2025-11-15 14:33:00 +01:00
Kasper Juul Hermansen	f777ec9b1e	fix(deps): update all dependencies (#38 ) All checks were successful continuous-integration/drone/push Build is passing Details	2025-11-14 02:38:11 +01:00
Kasper Juul Hermansen	2415088792	chore(deps): update rust crate tracing-subscriber to v0.3.20 (#37 ) All checks were successful continuous-integration/drone/push Build is passing Details	2025-11-13 03:15:23 +01:00
kjuulh	a35d15edc2	feat: add publish All checks were successful continuous-integration/drone/push Build is passing Details	2025-09-03 12:52:24 +02:00
kjuulh	613947ac88	feat: add readme All checks were successful continuous-integration/drone/push Build is passing Details	2025-09-03 12:40:28 +02:00