print diffs in assert tables

simulator/common/mod.rs

@@ -0,0 +1,46 @@
+use itertools::Itertools;
+use sql_generation::model::table::SimValue;
+
+fn val_to_string(sim_val: &SimValue) -> String {
+    match &sim_val.0 {
+        turso_core::Value::Blob(blob) => {
+            let convert_blob = || -> anyhow::Result<String> {
+                let val = String::from_utf8(blob.clone())?;
+                Ok(val)
+            };
+
+            convert_blob().unwrap_or_else(|_| sim_val.to_string())
+        }
+        _ => sim_val.to_string(),
+    }
+}
+
+pub fn print_diff(
+    left: &[Vec<SimValue>],
+    right: &[Vec<SimValue>],
+    left_label: &str,
+    right_label: &str,
+) {
+    let left_vals: Vec<Vec<_>> = left
+        .iter()
+        .map(|rows| rows.iter().map(val_to_string).collect())
+        .sorted()
+        .collect();
+
+    let right_vals: Vec<Vec<_>> = right
+        .iter()
+        .map(|rows| rows.iter().map(val_to_string).collect())
+        .sorted()
+        .collect();
+
+    let simulator_string = format!("{left_vals:#?}");
+    let db_string = format!("{right_vals:#?}");
+
+    let diff = similar_asserts::SimpleDiff::from_str(
+        &simulator_string,
+        &db_string,
+        left_label,
+        right_label,
+    );
+    tracing::error!(%diff);
+}