Add tests for sqlite-vss extension

.github/workflows/extensions-test.yml

@@ -54,4 +54,26 @@ jobs:
       - name: test
         run: |
           cd ext/crr/rs/core
-          cargo test --features=loadable_extension
+          cargo test --features=loadable_extension
+
+  extensions-tests:
+    runs-on: ubuntu-latest
+    name: Extensions Tests
+
+    steps:
+      - uses: hecrj/setup-rust-action@v1
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: build libsql and ffi bindings
+        run: |
+          cargo xtask build-bundled
+      - name: download extensions
+        run: |
+          cd libsql-sqlite3/test/rust_suite
+          export VSS_VERSION="v0.1.2"
+          wget https://github.com/asg017/sqlite-vss/releases/download/$VSS_VERSION/sqlite-vss-$VSS_VERSION-loadable-linux-x86_64.tar.gz
+          tar -xvf sqlite-vss-$VSS_VERSION-loadable-linux-x86_64.tar.gz -C src
+      - name: test
+        run: |
+          cd libsql-sqlite3/test/rust_suite
+          cargo test

libsql-sqlite3/test/rust_suite/src/extensions.rs

@@ -0,0 +1,18 @@
+use libsql_sys::rusqlite::{Connection, params, LoadExtensionGuard};
+
+#[test]
+fn test_sqlite_vss() {
+    let conn = Connection::open_in_memory().unwrap();
+    unsafe {
+        let _guard = LoadExtensionGuard::new(&conn).unwrap();
+        conn.load_extension("src/vector0", None).unwrap();
+        conn.load_extension("src/vss0", None).unwrap();
+    }
+    conn.execute("CREATE VIRTUAL TABLE IF NOT EXISTS vss_demo USING vss0(a(2))", ())
+        .unwrap();
+    conn.execute("INSERT INTO vss_demo(rowid, a) VALUES (1, '[1.0, 2.0]'), (2, '[2.0, 2.0]'), (3, '[3.0, 2.0]')", ()).unwrap();
+    conn.execute(
+        "SELECT rowid, distance FROM vss_demo WHERE vss_search(?, ?) LIMIT 3",
+        params![1.0, 2.0],
+    ).unwrap();
+}

libsql-sqlite3/test/rust_suite/src/lib.rs

@@ -2,6 +2,8 @@
 mod alter_column;
 mod random_rowid;
 mod virtual_wal;
+#[cfg(test)]
+mod extensions;
 
 #[cfg(all(test, feature = "udf"))]
 mod user_defined_functions;