Add Default implementation for PipesContextData

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Added
 - (pull/25) Use `cargo nextest` for GitHub CI jobs
+- (pull/22) Added `Default` implementation for `PipesContextData`
 - (pull/20) Added `FileChannel`, `StreamChannel`, `BufferedStreamChannel` implementing `MessageWriterChannel`
 - (pull/20) Added a simplified `PipesDefaultMessageWriter` implementing `MessageWriter`
 - (pull/20) Defined `MessageWriter` and the associated `MessageWriterChannel` traits

src/context_loader.rs

@@ -111,18 +111,12 @@ mod tests {
             default_context_loader.load_context(params.clone()).unwrap(),
             PipesContextData {
                 asset_keys: Some(vec!["asset1".to_string(), "asset2".to_string()]),
-                code_version_by_asset_key: None,
                 extras: Some(HashMap::from([(
                     "key".to_string(),
                     Some(Value::String("value".to_string()))
                 )])),
-                job_name: None,
-                partition_key: None,
-                partition_key_range: None,
-                partition_time_window: None,
-                provenance_by_asset_key: None,
-                retry_number: 0,
                 run_id: "012345".to_string(),
+                ..PipesContextData::default()
             }
         );
     }
@@ -157,18 +151,12 @@ mod tests {
             default_context_loader.load_context(params.clone()).unwrap(),
             PipesContextData {
                 asset_keys: Some(vec!["asset1".to_string(), "asset2".to_string()]),
-                code_version_by_asset_key: None,
                 extras: Some(HashMap::from([(
                     "key".to_string(),
                     Some(Value::String("value".to_string()))
                 )])),
-                job_name: None,
-                partition_key: None,
-                partition_key_range: None,
-                partition_time_window: None,
-                provenance_by_asset_key: None,
-                retry_number: 0,
                 run_id: "012345".to_string(),
+                ..PipesContextData::default()
             }
         );
     }
@@ -182,9 +170,9 @@ mod tests {
             r#"
             {
                 "asset_keys": ["asset_from_path"],
-                "run_id": "id_from_path",
                 "extras": {"key_from_path": "value_from_path"},
-                "retry_number": 0
+                "retry_number": 0,
+                "run_id": "id_from_path"
             }"#
             .as_bytes(),
         )
@@ -196,18 +184,12 @@ mod tests {
             default_context_loader.load_context(params.clone()).unwrap(),
             PipesContextData {
                 asset_keys: Some(vec!["asset_from_path".to_string()]),
-                code_version_by_asset_key: None,
                 extras: Some(HashMap::from([(
                     "key_from_path".to_string(),
                     Some(Value::String("value_from_path".to_string()))
                 )])),
-                job_name: None,
-                partition_key: None,
-                partition_key_range: None,
-                partition_time_window: None,
-                provenance_by_asset_key: None,
-                retry_number: 0,
                 run_id: "id_from_path".to_string(),
+                ..PipesContextData::default()
             }
         );
     }

src/params_loader.rs

@@ -10,8 +10,8 @@ const DAGSTER_PIPES_CONTEXT_ENV_VAR: &str = "DAGSTER_PIPES_CONTEXT";
 const DAGSTER_PIPES_MESSAGES_ENV_VAR: &str = "DAGSTER_PIPES_MESSAGES";
 
 /// Load params passed from the orchestration process by the context injector and
-/// message reader. These params are used to respectively bootstrap the
-/// [`PipesContextLoader`] and [`MessageWriter`](crate::MessageWriter).
+/// message reader. These params are used to respectively bootstrap
+/// [`LoadContext`](crate::LoadContext) and [`PipesMessageWriter`].
 pub trait LoadParams {
     /// Whether or not this process has been provided with provided with information
     /// to create a `PipesContext` or should instead return a mock.

src/types_ext.rs

@@ -1,6 +1,29 @@
-use std::collections::HashMap;
+//! Module containing extension implementations for the types auto-generated by `quicktype` in `types.rs`.
+//! The implementations are included here because:
+//! 1. `quicktype` does not support these additional traits
+//! 2. Manual changes made in `types.rs` will be overwritten by future calls to `quicktype.sh`.
+#![allow(clippy::derivable_impls)]
+use crate::PipesContextData;
 
 use crate::{Method, PipesMessage};
+use std::collections::HashMap;
+
+impl Default for PipesContextData {
+    fn default() -> Self {
+        Self {
+            asset_keys: None,
+            code_version_by_asset_key: None,
+            extras: None,
+            job_name: None,
+            partition_key: None,
+            partition_key_range: None,
+            partition_time_window: None,
+            provenance_by_asset_key: None,
+            retry_number: 0,
+            run_id: String::new(),
+        }
+    }
+}
 
 impl PipesMessage {
     pub fn new(method: Method, params: Option<HashMap<String, Option<serde_json::Value>>>) -> Self {