add failing tests for missing query result metadata

test/unit/client/result-metadata-tests.js

@@ -0,0 +1,37 @@
+var helper = require(__dirname + "/test-helper")
+
+var testForTag = function(tagText, callback) {
+  test('includes command tag data for tag ' + tagText, function() {
+
+    var client = helper.client();
+    client.connection.emit('readyForQuery')
+
+    var query = client.query("whatever");
+    assert.length(client.connection.queries, 1)
+
+    assert.emits(query, 'end', function(result) {
+      assert.ok(result != null, "should pass something to this event")
+      callback(result)
+    })
+
+    client.connection.emit('commandComplete', {
+      text: tagText
+    });
+
+    client.connection.emit('readyForQuery');
+  })
+}
+
+var check = function(oid, rowCount, commandType) {
+  return function(result) {
+    assert.equal(result.oid, oid);
+    assert.equal(result.rowCount, rowCount);
+    assert.equal(result.commandType, commandType);
+  }
+}
+
+testForTag("INSERT 0 3", check(0, 3, "INSERT"));
+testForTag("INSERT 841 1", check(841, 1, "INSERT"));
+testForTag("DELETE 10", check(null, 10, "DELETE"));
+testForTag("UPDATE 11", check(null, 11, "UPDATE"));
+testForTag("SELECT 20", check(null, 20, "SELECT"));