Spit pub tests into smaller suites.

utils/tests/pub/update/git/do_not_update_if_unneeded_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.
+
+#library('pub_tests');
+
+#import('dart:io');
+
+#import('../../test_pub.dart');
+#import('../../../../../pkg/unittest/unittest.dart');
+
+main() {
+  test("doesn't update one locked Git package's dependencies if it's not "
+      "necessary", () {
+    ensureGit();
+
+    git('foo.git', [
+      libDir('foo'),
+      libPubspec("foo", "1.0.0", [{"git": "../foo-dep.git"}])
+    ]).scheduleCreate();
+
+    git('foo-dep.git', [
+      libDir('foo-dep'),
+      libPubspec('foo-dep', '1.0.0')
+    ]).scheduleCreate();
+
+    appDir([{"git": "../foo.git"}]).scheduleCreate();
+
+    schedulePub(args: ['install'],
+        output: const RegExp(r"Dependencies installed!$"));
+
+    dir(packagesPath, [
+      dir('foo', [
+        file('foo.dart', 'main() => "foo";')
+      ]),
+      dir('foo-dep', [
+        file('foo-dep.dart', 'main() => "foo-dep";')
+      ])
+    ]).scheduleValidate();
+
+    git('foo.git', [
+      libDir('foo', 'foo 2'),
+      libPubspec("foo", "1.0.0", [{"git": "../foo-dep.git"}])
+    ]).scheduleCreate();
+
+    git('foo-dep.git', [
+      libDir('foo-dep', 'foo-dep 2'),
+      libPubspec('foo-dep', '1.0.0')
+    ]).scheduleCommit();
+
+    schedulePub(args: ['update', 'foo'],
+        output: const RegExp(r"Dependencies updated!$"));
+
+    dir(packagesPath, [
+      dir('foo', [
+        file('foo.dart', 'main() => "foo 2";')
+      ]),
+      dir('foo-dep', [
+        file('foo-dep.dart', 'main() => "foo-dep";')
+      ]),
+    ]).scheduleValidate();
+
+    run();
+  });
+}