From 2d7a24b336c87716f7e85ec51040230b69173b2b Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Wed, 14 Jul 2021 17:25:29 +0200
Subject: Add roundtrip test

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
---
 src/backend/backend.rs | 18 ++++++++++++++++++
 src/backend/payload.rs |  4 ++++
 2 files changed, 22 insertions(+)

diff --git a/src/backend/backend.rs b/src/backend/backend.rs
index c398c97..0485e33 100644
--- a/src/backend/backend.rs
+++ b/src/backend/backend.rs
@@ -58,3 +58,21 @@ impl IpfsEmbedBackend {
             .map(|_| block.cid().clone())
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::backend::Payload;
+
+    #[tokio::test]
+    async fn test_roundtrip_payload() {
+        let backend = IpfsEmbedBackend::new_in_memory(1024).await.unwrap();
+        let cid = backend.write_payload(&Payload::now_from_text(String::from("test"))).await.unwrap();
+
+        let payload = backend.ipfs().fetch(&cid, backend.ipfs().peers()).await.unwrap();
+        let payload = payload.decode::<libipld::cbor::DagCborCodec, crate::backend::Payload>().unwrap();
+
+        assert_eq!(payload.content(), "test".as_bytes())
+
+    }
+}
diff --git a/src/backend/payload.rs b/src/backend/payload.rs
index 856fcda..695ff96 100644
--- a/src/backend/payload.rs
+++ b/src/backend/payload.rs
@@ -34,5 +34,9 @@ impl Payload {
         self.timestamp = ts;
         self
     }
+
+    pub fn content(&self) -> &Vec<u8> {
+        &self.content
+    }
 }
 
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