test: unmappable native cannot be unified with_encrypted

Author: tobyhede

packages/cipherstash-proxy-integration/src/select/unmappable.rs

@@ -10,7 +10,7 @@ mod tests {
     /// Test ensures that unmappable SQL statements return an error
     ///
     #[tokio::test]
-    async fn unmappable_error() {
+    async fn unmappable_table_not_found() {
         let client = connect_with_tls(PROXY).await;
 
         let sql = "SELECT blah FROM vtha";
@@ -21,4 +21,43 @@ mod tests {
             "Expected unmappble SQL statement to return an error",
         );
     }
+
+    #[tokio::test]
+    async fn unmappable_column_not_found() {
+        let client = connect_with_tls(PROXY).await;
+
+        let sql = "SELECT blah FROM encrypted";
+        let result = client.query(sql, &[]).await;
+
+        assert!(
+            result.is_err(),
+            "Expected unmappble SQL statement to return an error",
+        );
+    }
+
+    #[tokio::test]
+    async fn unmappable_native_cannot_be_unified_with_encrypted() {
+        let client = connect_with_tls(PROXY).await;
+
+        let sql = "SELECT * FROM encrypted WHERE plaintext = encrypted_text";
+        let result = client.query(sql, &[]).await;
+
+        assert!(
+            result.is_err(),
+            "Expected unmappble SQL statement to return an error",
+        );
+    }
+
+    #[tokio::test]
+    async fn unmappable_syntax_error() {
+        let client = connect_with_tls(PROXY).await;
+
+        let sql = "SELECT *, FROM encrypted";
+        let result = client.query(sql, &[]).await;
+
+        assert!(
+            result.is_err(),
+            "Expected unmappble SQL statement to return an error",
+        );
+    }
 }