Test Display implementation for artifact

common/go-utils/src/inv.rs

@@ -159,3 +159,28 @@ pub fn list_upstream_artifacts() -> Result<Vec<Artifact>, ListUpstreamArtifactsE
         .map(|file| Artifact::try_from(file).map_err(ListUpstreamArtifactsError::Conversion))
         .collect::<Result<Vec<_>, _>>()
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_artifact_display_format() {
+        let artifact = Artifact {
+            go_version: "go1.7.2".to_string(),
+            semantic_version: Version::parse("1.7.2").unwrap(),
+            os: "linux".to_string(),
+            arch: "amd64".to_string(),
+            url: String::new(),
+            sha_checksum: String::new(),
+        };
+
+        assert_eq!(
+            format!(
+                "{} ({}-{})",
+                artifact.go_version, artifact.os, artifact.arch
+            ),
+            artifact.to_string()
+        );
+    }
+}