From be6519d4f2c3d7d033f0f6da976bc267e3573721 Mon Sep 17 00:00:00 2001
From: "Carol (Nichols || Goulding)" <carol.nichols@gmail.com>
Date: Thu, 29 Sep 2022 13:44:33 -0400
Subject: [PATCH] fix: Add filename to the data generator read file error

---
 iox_data_generator/src/specification.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/iox_data_generator/src/specification.rs b/iox_data_generator/src/specification.rs
index 00ee48488d..5ffa8bafc1 100644
--- a/iox_data_generator/src/specification.rs
+++ b/iox_data_generator/src/specification.rs
@@ -12,8 +12,13 @@ use tracing::warn;
 #[allow(missing_docs)]
 pub enum Error {
     /// File-related error that may happen while reading a specification
-    #[snafu(display(r#"Error reading data spec from TOML file: {}"#, source))]
+    #[snafu(display(
+        r#"Error reading data spec from TOML file at {}: {}"#,
+        file_name,
+        source
+    ))]
     ReadFile {
+        file_name: String,
         /// Underlying I/O error that caused this problem
         source: std::io::Error,
     },
@@ -76,7 +81,7 @@ pub struct DataSpec {
 impl DataSpec {
     /// Given a filename, read the file and parse the specification.
     pub fn from_file(file_name: &str) -> Result<Self> {
-        let spec_toml = fs::read_to_string(file_name).context(ReadFileSnafu)?;
+        let spec_toml = fs::read_to_string(file_name).context(ReadFileSnafu { file_name })?;
         Self::from_str(&spec_toml)
     }