fix cannot find value v in this scope

Author: up9cloud

tests/testsuite/file_jsonc.rs

@@ -6,6 +6,17 @@ use config::{Config, File, FileFormat, Map, Value};
 use float_cmp::ApproxEqUlps;
 use snapbox::{assert_data_eq, str};
 
+/// Returns the path to a test config file with an optional suffix.
+///
+/// # Example
+/// If the current file path is `/workspace/config-rs/tests/testsuite/file_jsonc.rs`:
+/// ```
+/// let path = get_config_file_path("");
+/// assert_eq!(path, "/workspace/config-rs/tests/testsuite/file_jsonc.jsonc");
+///
+/// let path = get_config_file_path(".extra");
+/// assert_eq!(path, "/workspace/config-rs/tests/testsuite/file_jsonc.extra.jsonc");
+/// ```
 fn get_config_file_path(suffix: &str) -> String {
     let path = std::path::Path::new(file!());
     format!(
@@ -102,9 +113,8 @@ fn test_error_parse() {
 #[derive(Debug, Deserialize, PartialEq)]
 #[allow(non_snake_case)]
 struct OverrideSettings {
-    foo: String,
     FOO: String,
-    bar: String,
+    foo: String,
 }
 
 #[test]
@@ -117,10 +127,9 @@ fn test_override_uppercase_value_for_struct() {
         .build()
         .unwrap();
 
-    let settings = cfg.try_deserialize::<OverrideSettings>();
-    // this assertion will ensure that the map has only lowercase keys
-    assert_eq!(v.FOO, "FOO should be overridden");
-    assert_eq!(v.foo, "I HAVE BEEN OVERRIDDEN_WITH_UPPER_CASE".to_owned());
+    let settings: OverrideSettings = cfg.try_deserialize().unwrap();
+    assert_eq!(settings.FOO, "FOO should be overridden");
+    assert_eq!(settings.foo, "I HAVE BEEN OVERRIDDEN_WITH_UPPER_CASE".to_owned());
 }
 
 #[test]
@@ -133,8 +142,9 @@ fn test_override_lowercase_value_for_struct() {
         .build()
         .unwrap();
 
-    let values: OverrideSettings = cfg.try_deserialize().unwrap();
-    assert_eq!(values.foo, "I have been overridden_with_lower_case".to_owned());
+    let settings: OverrideSettings = cfg.try_deserialize().unwrap();
+    assert_eq!(settings.FOO, "FOO should be overridden");
+    assert_eq!(settings.foo, "I have been overridden_with_lower_case".to_owned());
 }
 
 #[derive(Debug, Deserialize, PartialEq)]