unittest: refactor ahead of matcher changes

test/matchers_minified_test.dart

+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// This file is for matcher tests that rely on the names of various Dart types.
+// These tests normally fail when run in minified dart2js, since the names will
+// be mangled. This version of the file is modified to expect minified names.
+
+library unittest.minified_test;
+
+import 'package:unittest/unittest.dart';
+
+import 'test_utils.dart';
+
+// A regexp fragment matching a minified name.
+const _MINIFIED_NAME = r"[A-Za-z0-9]{1,3}";
+
+void main() {
+  group('Core matchers', () {
+    test('throwsFormatException', () {
+      shouldPass(() {
+        throw new FormatException('');
+      }, throwsFormatException);
+      shouldFail(() {
+        throw new Exception();
+      }, throwsFormatException, matches(r"Expected: throws FormatException +"
+          r"Actual: <Closure(: \(\) => dynamic)?> +"
+          r"Which: threw " + _MINIFIED_NAME + r":<Exception>"));
+    });
+
+    test('throwsArgumentError', () {
+      shouldPass(() {
+        throw new ArgumentError('');
+      }, throwsArgumentError);
+      shouldFail(() {
+        throw new Exception();
+      }, throwsArgumentError, matches(r"Expected: throws ArgumentError +"
+          r"Actual: <Closure(: \(\) => dynamic)?> +"
+          r"Which: threw " + _MINIFIED_NAME + r":<Exception>"));
+    });
+
+    test('throwsRangeError', () {
+      shouldPass(() {
+        throw new RangeError(0);
+      }, throwsRangeError);
+      shouldFail(() {
+        throw new Exception();
+      }, throwsRangeError, matches(r"Expected: throws RangeError +"
+          r"Actual: <Closure(: \(\) => dynamic)?> +"
+          r"Which: threw " + _MINIFIED_NAME + r":<Exception>"));
+    });
+
+    test('throwsNoSuchMethodError', () {
+      shouldPass(() {
+        throw new NoSuchMethodError(null, const Symbol(''), null, null);
+      }, throwsNoSuchMethodError);
+      shouldFail(() {
+        throw new Exception();
+      }, throwsNoSuchMethodError, matches(
+          r"Expected: throws NoSuchMethodError +"
+              r"Actual: <Closure(: \(\) => dynamic)?> +"
+              r"Which: threw " + _MINIFIED_NAME + r":<Exception>"));
+    });
+
+    test('throwsUnimplementedError', () {
+      shouldPass(() {
+        throw new UnimplementedError('');
+      }, throwsUnimplementedError);
+      shouldFail(() {
+        throw new Exception();
+      }, throwsUnimplementedError, matches(
+          r"Expected: throws UnimplementedError +"
+              r"Actual: <Closure(: \(\) => dynamic)?> +"
+              r"Which: threw " + _MINIFIED_NAME + r":<Exception>"));
+    });
+
+    test('throwsUnsupportedError', () {
+      shouldPass(() {
+        throw new UnsupportedError('');
+      }, throwsUnsupportedError);
+      shouldFail(() {
+        throw new Exception();
+      }, throwsUnsupportedError, matches(r"Expected: throws UnsupportedError +"
+          r"Actual: <Closure(: \(\) => dynamic)?> +"
+          r"Which: threw " + _MINIFIED_NAME + r":<Exception>"));
+    });
+
+    test('throwsStateError', () {
+      shouldPass(() {
+        throw new StateError('');
+      }, throwsStateError);
+      shouldFail(() {
+        throw new Exception();
+      }, throwsStateError, matches(r"Expected: throws StateError +"
+          r"Actual: <Closure(: \(\) => dynamic)?> +"
+          r"Which: threw " + _MINIFIED_NAME + r":<Exception>"));
+    });
+  });
+
+  group('Iterable Matchers', () {
+    test('isEmpty', () {
+      var d = new SimpleIterable(0);
+      var e = new SimpleIterable(1);
+      shouldPass(d, isEmpty);
+      shouldFail(e, isEmpty,
+          matches(r"Expected: empty +Actual: " + _MINIFIED_NAME + r":\[1\]"));
+    });
+
+    test('isNotEmpty', () {
+      var d = new SimpleIterable(0);
+      var e = new SimpleIterable(1);
+      shouldPass(e, isNotEmpty);
+      shouldFail(d, isNotEmpty, matches(
+          r"Expected: non-empty +Actual: " + _MINIFIED_NAME + r":\[\]"));
+    });
+
+    test('contains', () {
+      var d = new SimpleIterable(3);
+      shouldPass(d, contains(2));
+      shouldFail(d, contains(5), matches(r"Expected: contains <5> +"
+          r"Actual: " + _MINIFIED_NAME + r":\[3, 2, 1\]"));
+    });
+  });
+
+  group('Feature Matchers', () {
+    test("Feature Matcher", () {
+      var w = new Widget();
+      w.price = 10;
+      shouldPass(w, new HasPrice(10));
+      shouldPass(w, new HasPrice(greaterThan(0)));
+      shouldFail(w, new HasPrice(greaterThan(10)), matches(
+          r"Expected: Widget with a price that is a value greater than "
+              r"<10> +"
+              r"Actual: <Instance of '" + _MINIFIED_NAME + r"'> +"
+              r"Which: has price with value <10> which is not "
+              r"a value greater than <10>"));
+    });
+  });
+}