Add a test

src/snippet.rs

@@ -88,3 +88,20 @@ pub fn insert(snippet: ApiSnippet, connection: &PGC) -> QueryResult<Snippet> {
         .values(formatted_snippet)
         .get_result(connection)
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn identical_snippets_have_different_uuids() {
+        let snippet = ApiSnippet {
+            title: String::from("Hello world"),
+            body: String::from("Hello world"),
+            filetype: None,
+        };
+        let uuid1 = generate_uuid(&snippet);
+        let uuid2 = generate_uuid(&snippet);
+        assert!(uuid1 != uuid2);
+    }
+}