3 files changed, 74 insertions, 0 deletions
diff --git a/iroh-car/tests/car_file_test.rs b/iroh-car/tests/car_file_test.rs
new file mode 100644
index 0000000..28340d4
--- /dev/null
+++ b/iroh-car/tests/car_file_test.rs
@@ -0,0 +1,74 @@
+use futures::TryStreamExt;
+use iroh_car::*;
+use tokio::fs::{self, File};
+use tokio::io::BufReader;
+
+#[tokio::test]
+async fn roundtrip_carv1_test_file() {
+    let file = File::open("tests/testv1.car").await.unwrap();
+    let buf_reader = BufReader::new(file);
+
+    let car_reader = CarReader::new(buf_reader).await.unwrap();
+    let header = car_reader.header().clone();
+    let files: Vec<_> = car_reader.stream().try_collect().await.unwrap();
+    assert_eq!(files.len(), 35);
+
+    let mut buffer = Vec::new();
+    let mut writer = CarWriter::new(header, &mut buffer);
+    for (cid, data) in &files {
+        writer.write(*cid, data).await.unwrap();
+    }
+    writer.finish().await.unwrap();
+
+    let file = fs::read("tests/testv1.car").await.unwrap();
+    assert_eq!(file, buffer);
+}
+
+#[tokio::test]
+async fn roundtrip_carv1_basic_fixtures_file() {
+    let file = File::open("tests/carv1_basic.car").await.unwrap();
+    let buf_reader = BufReader::new(file);
+
+    let car_reader = CarReader::new(buf_reader).await.unwrap();
+    let header = car_reader.header().clone();
+
+    assert_eq!(
+        car_reader.header().roots(),
+        [
+            "bafyreihyrpefhacm6kkp4ql6j6udakdit7g3dmkzfriqfykhjw6cad5lrm"
+                .parse()
+                .unwrap(),
+            "bafyreidj5idub6mapiupjwjsyyxhyhedxycv4vihfsicm2vt46o7morwlm"
+                .parse()
+                .unwrap()
+        ]
+    );
+
+    let files: Vec<_> = car_reader.stream().try_collect().await.unwrap();
+    assert_eq!(files.len(), 8);
+
+    let cids = [
+        "bafyreihyrpefhacm6kkp4ql6j6udakdit7g3dmkzfriqfykhjw6cad5lrm",
+        "QmNX6Tffavsya4xgBi2VJQnSuqy9GsxongxZZ9uZBqp16d",
+        "bafkreifw7plhl6mofk6sfvhnfh64qmkq73oeqwl6sloru6rehaoujituke",
+        "QmWXZxVQ9yZfhQxLD35eDR8LiMRsYtHxYqTFCBbJoiJVys",
+        "bafkreiebzrnroamgos2adnbpgw5apo3z4iishhbdx77gldnbk57d4zdio4",
+        "QmdwjhxpxzcMsR3qUuj7vUL8pbA7MgR3GAxWi2GLHjsKCT",
+        "bafkreidbxzk2ryxwwtqxem4l3xyyjvw35yu4tcct4cqeqxwo47zhxgxqwq",
+        "bafyreidj5idub6mapiupjwjsyyxhyhedxycv4vihfsicm2vt46o7morwlm",
+    ];
+
+    for (expected_cid, (cid, _)) in cids.iter().zip(&files) {
+        assert_eq!(*cid, expected_cid.parse().unwrap());
+    }
+
+    let mut buffer = Vec::new();
+    let mut writer = CarWriter::new(header, &mut buffer);
+    for (cid, data) in &files {
+        writer.write(*cid, data).await.unwrap();
+    }
+    writer.finish().await.unwrap();
+
+    let file = fs::read("tests/carv1_basic.car").await.unwrap();
+    assert_eq!(file, buffer);
+}
diff --git a/iroh-car/tests/carv1_basic.car b/iroh-car/tests/carv1_basic.car
new file mode 100644
index 0000000..48c67a3
--- /dev/null
+++ b/iroh-car/tests/carv1_basic.car
diff --git a/iroh-car/tests/testv1.car b/iroh-car/tests/testv1.car
new file mode 100644
index 0000000..cdc9a13
--- /dev/null
+++ b/iroh-car/tests/testv1.car