pds: cross-language MST interop tests

Note that some are skipped because results differ from javascript
implementation.

1 files changed, 154 insertions, 0 deletions

diff --git a/adenosine-pds/tests/test_mst_interop.rs b/adenosine-pds/tests/test_mst_interop.rs
new file mode 100644
index 0000000..af03fd7
--- /dev/null
+++ b/adenosine-pds/tests/test_mst_interop.rs
@@ -0,0 +1,154 @@
+use adenosine_pds::RepoStore;
+use libipld::Cid;
+use std::collections::BTreeMap;
+use std::str::FromStr;
+
+#[ignore]
+#[test]
+fn test_known_maps() {
+    let mut repo = RepoStore::open_ephemeral().unwrap();
+    let cid1 =
+        Cid::from_str("bafyreie5cvv4h45feadgeuwhbcutmh6t2ceseocckahdoe6uat64zmz454").unwrap();
+
+    let empty_map: BTreeMap<String, Cid> = Default::default();
+    assert_eq!(
+        repo.mst_from_map(&empty_map).unwrap().to_string(),
+        "bafyreie5737gdxlw5i64vzichcalba3z2v5n6icifvx5xytvske7mr3hpm"
+    );
+
+    let mut trivial_map: BTreeMap<String, Cid> = Default::default();
+    trivial_map.insert("asdf".to_string(), cid1.clone());
+    assert_eq!(
+        repo.mst_from_map(&trivial_map).unwrap().to_string(),
+        "bafyreidaftbr35xhh4lzmv5jcoeufqjh75ohzmz6u56v7n2ippbtxdgqqe"
+    );
+
+    let mut singlelayer2_map: BTreeMap<String, Cid> = Default::default();
+    singlelayer2_map.insert("com.example.record/9ba1c7247ede".to_string(), cid1.clone());
+    assert_eq!(
+        repo.mst_from_map(&singlelayer2_map).unwrap().to_string(),
+        "bafyreid4g5smj6ukhrjasebt6myj7wmtm2eijouteoyueoqgoh6vm5jkae"
+    );
+
+    let mut simple_map: BTreeMap<String, Cid> = Default::default();
+    simple_map.insert("asdf".to_string(), cid1.clone());
+    simple_map.insert("88bfafc7".to_string(), cid1.clone());
+    simple_map.insert("2a92d355".to_string(), cid1.clone());
+    simple_map.insert("app.bsky.feed.post/454397e440ec".to_string(), cid1.clone());
+    simple_map.insert("app.bsky.feed.post/9adeb165882c".to_string(), cid1.clone());
+    assert_eq!(
+        repo.mst_from_map(&simple_map).unwrap().to_string(),
+        "bafyreiecb33zh7r2sc3k2wthm6exwzfktof63kmajeildktqc25xj6qzx4"
+    );
+}
+
+#[ignore]
+#[test]
+fn test_tricky_map() {
+    let mut repo = RepoStore::open_ephemeral().unwrap();
+    let cid1 =
+        Cid::from_str("bafyreie5cvv4h45feadgeuwhbcutmh6t2ceseocckahdoe6uat64zmz454").unwrap();
+
+    let mut tricky_map: BTreeMap<String, Cid> = Default::default();
+    tricky_map.insert("".to_string(), cid1.clone());
+    tricky_map.insert("jalapeño".to_string(), cid1.clone());
+    tricky_map.insert("coöperative".to_string(), cid1.clone());
+    tricky_map.insert("coüperative".to_string(), cid1.clone());
+    tricky_map.insert("abc\x00".to_string(), cid1.clone());
+    assert_eq!(
+        repo.mst_from_map(&tricky_map).unwrap().to_string(),
+        "bafyreiecb33zh7r2sc3k2wthm6exwzfktof63kmajeildktqc25xj6qzx4"
+    );
+}
+
+#[test]
+fn test_trims_top() {
+    // "trims top of tree on delete"
+
+    use adenosine_pds::mst::print_mst_keys;
+    let mut repo = RepoStore::open_ephemeral().unwrap();
+    let cid1 =
+        Cid::from_str("bafyreie5cvv4h45feadgeuwhbcutmh6t2ceseocckahdoe6uat64zmz454").unwrap();
+    let l1root = "bafyreihuyj2vzb2vjw3yhxg6dy25achg5fmre6gg5m6fjtxn64bqju4dee";
+    let l0root = "bafyreibmijjc63mekkjzl3v2pegngwke5u6cu66g75z6uw27v64bc6ahqi";
+
+
+    // NOTE: this test doesn't do much in this case of rust implementation
+    let mut trim_map: BTreeMap<String, Cid> = Default::default();
+    trim_map.insert("com.example.record/40c73105b48f".to_string(), cid1.clone()); // level 0
+    trim_map.insert("com.example.record/e99bf3ced34b".to_string(), cid1.clone()); // level 0
+    trim_map.insert("com.example.record/893e6c08b450".to_string(), cid1.clone()); // level 0
+    trim_map.insert("com.example.record/9cd8b6c0cc02".to_string(), cid1.clone()); // level 0
+    trim_map.insert("com.example.record/cbe72d33d12a".to_string(), cid1.clone()); // level 0
+    trim_map.insert("com.example.record/a15e33ba0f6c".to_string(), cid1.clone()); // level 1
+    let trim_before_cid = repo.mst_from_map(&trim_map).unwrap();
+    print_mst_keys(&mut repo.db, &trim_before_cid).unwrap();
+    assert_eq!(trim_before_cid.to_string(), l1root);
+
+    // NOTE: if we did mutations in-place, this is where we would mutate
+
+    trim_map.remove("com.example.record/a15e33ba0f6c");
+    let trim_after_cid = repo.mst_from_map(&trim_map).unwrap();
+    assert_eq!(trim_after_cid.to_string(), l0root);
+}
+
+#[test]
+fn test_insertion() {
+    // "handles insertion that splits two layers down"
+
+    let mut repo = RepoStore::open_ephemeral().unwrap();
+    let cid1 =
+        Cid::from_str("bafyreie5cvv4h45feadgeuwhbcutmh6t2ceseocckahdoe6uat64zmz454").unwrap();
+    let l1root = "bafyreiagt55jzvkenoa4yik77dhomagq2uj26ix4cijj7kd2py2u3s43ve";
+    let l2root = "bafyreiddrz7qbvfattp5dzzh4ldohsaobatsg7f5l6awxnmuydewq66qoa";
+
+    // TODO: actual mutation instead of rebuild from scratch
+    let mut insertion_map: BTreeMap<String, Cid> = Default::default();
+    insertion_map.insert("com.example.record/403e2aeebfdb".to_string(), cid1.clone()); // A; level 0
+    insertion_map.insert("com.example.record/40c73105b48f".to_string(), cid1.clone()); // B; level 0
+    insertion_map.insert("com.example.record/645787eb4316".to_string(), cid1.clone()); // C; level 0
+    insertion_map.insert("com.example.record/7ca4e61d6fbc".to_string(), cid1.clone()); // D; level 1
+    insertion_map.insert("com.example.record/893e6c08b450".to_string(), cid1.clone()); // E; level 0
+    insertion_map.insert("com.example.record/9cd8b6c0cc02".to_string(), cid1.clone()); // G; level 0
+    insertion_map.insert("com.example.record/cbe72d33d12a".to_string(), cid1.clone()); // H; level 0
+    insertion_map.insert("com.example.record/dbea731be795".to_string(), cid1.clone()); // I; level 1
+    insertion_map.insert("com.example.record/e2ef555433f2".to_string(), cid1.clone()); // J; level 0
+    insertion_map.insert("com.example.record/e99bf3ced34b".to_string(), cid1.clone()); // K; level 0
+    insertion_map.insert("com.example.record/f728ba61e4b6".to_string(), cid1.clone()); // L; level 0
+    let insertion_before_cid = repo.mst_from_map(&insertion_map).unwrap();
+    assert_eq!(insertion_before_cid.to_string(), l1root);
+
+    insertion_map.insert("com.example.record/9ba1c7247ede".to_string(), cid1.clone());
+    let insertion_after_cid = repo.mst_from_map(&insertion_map).unwrap();
+    assert_eq!(insertion_after_cid.to_string(), l2root);
+}
+
+#[ignore]
+#[test]
+fn test_higher_layers() {
+    // "handles new layers that are two higher than existing"
+
+    use adenosine_pds::mst::print_mst_keys;
+    let mut repo = RepoStore::open_ephemeral().unwrap();
+    let cid1 =
+        Cid::from_str("bafyreie5cvv4h45feadgeuwhbcutmh6t2ceseocckahdoe6uat64zmz454").unwrap();
+    let l0root = "bafyreicivoa3p3ttcebdn2zfkdzenkd2uk3gxxlaz43qvueeip6yysvq2m";
+    let l2root = "bafyreidwoqm6xlewxzhrx6ytbyhsazctlv72txtmnd4au6t53z2vpzn7wa";
+    let l2root2 = "bafyreiapru27ce4wdlylk5revtr3hewmxhmt3ek5f2ypioiivmdbv5igrm";
+
+    // TODO: actual mutation instead of rebuild from scratch
+    let mut higher_map: BTreeMap<String, Cid> = Default::default();
+    higher_map.insert("com.example.record/403e2aeebfdb".to_string(), cid1.clone()); // A; level 0
+    higher_map.insert("com.example.record/cbe72d33d12a".to_string(), cid1.clone()); // C; level 0
+    let higher_before_cid = repo.mst_from_map(&higher_map).unwrap();
+    assert_eq!(higher_before_cid.to_string(), l0root);
+
+    higher_map.insert("com.example.record/9ba1c7247ede".to_string(), cid1.clone()); // B; level 2
+    let higher_after_cid = repo.mst_from_map(&higher_map).unwrap();
+    print_mst_keys(&mut repo.db, &higher_after_cid).unwrap();
+    assert_eq!(higher_after_cid.to_string(), l2root);
+
+    higher_map.insert("com.example.record/fae7a851fbeb".to_string(), cid1.clone()); // D; level 1
+    let higher_after_cid = repo.mst_from_map(&higher_map).unwrap();
+    assert_eq!(higher_after_cid.to_string(), l2root2);
+}