tracing test

test/trace.test.js

+var sqlite3 = require('sqlite3');
+var assert = require('assert');
+var util = require('util');
+
+if (process.setMaxListeners) process.setMaxListeners(0);
+
+exports['test Database tracing'] = function(beforeExit) {
+    var db = new sqlite3.Database(':memory:');
+    var create = false;
+    var select = false;
+
+    db.configure('trace', true);
+
+    db.on('trace', function(sql) {
+        if (sql.match(/^SELECT/)) {
+            assert.ok(!select);
+            assert.equal(sql, "SELECT * FROM foo");
+            select = true;
+        }
+        else if (sql.match(/^CREATE/)) {
+            assert.ok(!create);
+            assert.equal(sql, "CREATE TABLE foo (id int)");
+            create = true;
+        }
+        else {
+            assert.ok(false);
+        }
+    });
+
+    db.serialize(function() {
+        db.run("CREATE TABLE foo (id int)");
+        db.run("SELECT * FROM foo");
+    });
+
+    db.close();
+
+    beforeExit(function() {
+        assert.ok(create);
+        assert.ok(select);
+    });
+};
+
+// TODO: test turning tracing off again