add missing localized text and remove unwrap

Author: SteveL-MSFT

dsc_lib/locales/en-us.toml

@@ -266,6 +266,10 @@ invoked = "contains function"
 invalidItemToFind = "Invalid item to find, must be a string or number"
 invalidArgType = "Invalid argument type, first argument must be an array, object, or string"
 
+[functions.context]
+description = "Retrieves context information about the current execution environment"
+invoked = "context function"
+
 [functions.copyIndex]
 description = "Returns the current copy index"
 invoked = "copyIndex function"

dsc_lib/src/functions/context.rs

@@ -33,11 +33,11 @@ impl Function for Context {
     }
 
     fn invoke(&self, _args: &[Value], config_context: &ConfigContext) -> Result<Value, DscError> {
-        debug!("{}", t!("functions.add.invoked"));
+        debug!("{}", t!("functions.context.invoked"));
         let context = ContextInfo {
             os: OsInfo::new(false),
             security: config_context.security_context.clone(),
         };
-        Ok(serde_json::to_value(context).unwrap())
+        Ok(serde_json::to_value(context)?)
     }
 }