test: impl test for `logging::Config` and add `pretty_assertions`

1 files changed, 36 insertions, 0 deletions

diff --git a/src/logging/config.rs b/src/logging/config.rs
index 2f7be0f..1663f13 100644
--- a/src/logging/config.rs
+++ b/src/logging/config.rs
@@ -47,3 +47,39 @@ impl Default for Config {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use figment::providers::{Format, Serialized, Toml};
+    use pretty_assertions::assert_eq;
+
+    #[test]
+    fn test_extract() {
+        figment::Jail::expect_with(|jail| {
+            jail.create_file(
+                "tmuxr.toml",
+                r#"
+                stdout = "warn"
+                level = "info"
+                path = "/path/to/logfile.log"
+                "#,
+            )?;
+
+            let config: Config = Figment::from(Serialized::defaults(Config::default()))
+                .merge(Toml::file("tmuxr.toml"))
+                .extract()?;
+
+            assert_eq!(
+                config,
+                Config {
+                    stdout: Some(Level::WARN),
+                    level: Some(Level::INFO),
+                    path: "/path/to/logfile.log".into()
+                }
+            );
+
+            Ok(())
+        });
+    }
+}