prefer-unique-test-names

Group: Suspicious
Path: lint/suspicious/prefer-unique-test-names
Default: Off, opt in
Origin: Falcon
Domain: test
Rule: 416 of 512

test

Reports duplicate test descriptions within a group and constant names in loops.

include-methods (array of strings, default: []) adds custom test registration helpers.

Invalid

example.dartdart

import 'package:test/test.dart';
void main() {
  test('same', () {});
  test('same', () {});
  test("same", () {});
  group('inner', () {
    test('duplicate', () {});
    test('duplicate', () {});
    test('duplicate', () {});
  });
  const description = 'same';
  test(description, () {});
}

Use a unique test description within this group.

3 test('same', () {});

4 test('same', () {});

∙

Use a unique test description within this group.

4 test('same', () {});

5 test("same", () {});

∙

Use a unique test description within this group.

7 test('duplicate', () {});

8 test('duplicate', () {});

∙

Use a unique test description within this group.

8 test('duplicate', () {});

9 test('duplicate', () {});

∙

Use a unique test description within this group.

11 const description = 'same';

12 test(description, () {});

∙

Valid

example.dartdart

import 'package:flutter_test/flutter_test.dart' as t;
void main() {
  t.test('one', () {});
  t.test('two', () {});
  t.group('first', () { t.test('same', () {}); });
  t.group('second', () { t.test('same', () {}); });
  t.testWidgets('widget', (tester) {});
  for (var i = 0; i < 2; i++) { t.test('case $i', () {}); }
  void test(String name, dynamic callback) {}
  test('one', () {});
}

Configure prefer-unique-test-names

Set its severity in falcon.json. See the configuration guide.

falcon.jsonjson

{
  "linter": {
    "rules": {
      "suspicious": {
        "prefer-unique-test-names": "error"
      }
    }
  }
}

Or silence one occurrence with a suppression comment; the reason is required.

example.dartdart

// falcon-ignore lint/suspicious/prefer-unique-test-names: <reason>

recursive-gettersrecursive_gettersrecommended
Flags a getter that unconditionally returns itself.
unnecessary-null-aware-assignmentsunnecessary_null_aware_assignmentsrecommended
Flags x ??= null, which can never have an effect.
unnecessary-null-in-if-null-operatorsunnecessary_null_in_if_null_operatorsrecommended
Flags x ?? null and null ?? x, where the null operand is redundant.
use-rethrow-when-possibleuse_rethrow_when_possiblerecommended
Flags throw e inside a catch (e) by matching the exception parameter's name.
avoid-accessing-other-classes-private-members
Enforces class-level encapsulation even inside one Dart library.
avoid-assignments-as-conditions
Flags assignments evaluated inside control-flow conditions.
avoid-banned-annotations
Ban configured dotted annotation names, without the leading @.
avoid-banned-exports
Ban decoded export URIs, including all conditional alternatives.

Invalid

Valid

Configure prefer-unique-test-names

More suspicious rules