Add unit tests for [Entrypoint.packageFiles] in pub.

sdk/lib/_internal/pub/test/package_files_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 lock_file_test;
+
+import 'dart:io';
+
+import 'package:pathos/path.dart' as path;
+import 'package:scheduled_test/scheduled_test.dart';
+
+import '../lib/src/entrypoint.dart';
+import '../lib/src/io.dart';
+import '../lib/src/system_cache.dart';
+import 'descriptor.dart' as d;
+import 'test_pub.dart';
+
+var root;
+var entrypoint;
+
+main() {
+  initConfig();
+
+  group('without git', () {

[Bob Nystrom, 2013/05/16 18:14:20]

I read this as "without git installed". How about "not in a git repo"?

[nweiz, 2013/05/16 18:40:03]

Done.

+    setUp(() {
+      d.appDir([]).create();
+
+      schedule(() {
+        root = path.join(sandboxDir, appPath);
+        entrypoint = new Entrypoint(root, new SystemCache.withSources(root));
+      }, 'initializing entrypoint');
+
+      currentSchedule.onComplete.schedule(() {
+        entrypoint = null;
+      }, 'nulling entrypoint');

[Bob Nystrom, 2013/05/16 18:14:20]

Factor the above 8 lines into a separate function and reuse below.

[nweiz, 2013/05/16 18:40:03]

Done.

+    });
+
+
+    integration('lists files recursively', () {
+      d.dir(appPath, [
+        d.file('file1.txt', 'contents'),
+        d.file('file2.txt', 'contents'),
+        d.dir('subdir', [
+          d.file('subfile1.txt', 'subcontents'),
+          d.file('subfile2.txt', 'subcontents')
+        ])
+      ]).create();
+
+      schedule(() {
+        expect(entrypoint.packageFiles(), completion(unorderedEquals([
+          path.join(root, 'pubspec.yaml'),
+          path.join(root, 'file1.txt'),
+          path.join(root, 'file2.txt'),
+          path.join(root, 'subdir', 'subfile1.txt'),
+          path.join(root, 'subdir', 'subfile2.txt')
+        ])));
+      });
+    });
+
+    commonTests();
+  });
+
+  group('with git', () {
+    setUp(() {
+      ensureGit();
+
+      d.git(appPath, [d.appPubspec([])]).create();
+
+      schedule(() {
+        root = path.join(sandboxDir, appPath);
+        entrypoint = new Entrypoint(root, new SystemCache.withSources(root));
+      }, 'initializing entrypoint');
+
+      currentSchedule.onComplete.schedule(() {
+        entrypoint = null;
+      }, 'nulling entrypoint');
+    });
+
+    integration("includes files that are or aren't checked in", () {
+      d.dir(appPath, [
+        d.file('file1.txt', 'contents'),
+        d.file('file2.txt', 'contents'),
+        d.dir('subdir', [
+          d.file('subfile1.txt', 'subcontents'),
+          d.file('subfile2.txt', 'subcontents')
+        ])
+      ]).create();
+
+      schedule(() {
+        expect(entrypoint.packageFiles(), completion(unorderedEquals([
+          path.join(root, 'pubspec.yaml'),
+          path.join(root, 'file1.txt'),
+          path.join(root, 'file2.txt'),
+          path.join(root, 'subdir', 'subfile1.txt'),
+          path.join(root, 'subdir', 'subfile2.txt')
+        ])));
+      });
+    });
+
+    integration("ignores files that are gitignored", () {
+      d.dir(appPath, [
+        d.file('.gitignore', '*.txt'),
+        d.file('file1.txt', 'contents'),
+        d.file('file2.text', 'contents'),
+        d.dir('subdir', [
+          d.file('subfile1.txt', 'subcontents'),
+          d.file('subfile2.text', 'subcontents')
+        ])
+      ]).create();
+
+      schedule(() {
+        expect(entrypoint.packageFiles(), completion(unorderedEquals([
+          path.join(root, 'pubspec.yaml'),
+          path.join(root, '.gitignore'),
+          path.join(root, 'file2.text'),
+          path.join(root, 'subdir', 'subfile2.text')
+        ])));
+      });
+    });
+
+    commonTests();
+  });
+}
+
+void commonTests() {
+  integration('ignores broken symlinks', () {
+    // Windows requires us to symlink to a directory that actually exists.
+    d.dir(appPath, [d.dir('target')]).create();
+    scheduleSymlink(path.join(appPath, 'target'), path.join(appPath, 'link'));
+    schedule(() => deleteEntry(path.join(sandboxDir, appPath, 'target')));
+
+    schedule(() {
+      expect(entrypoint.packageFiles(),
+          completion(equals([path.join(root, 'pubspec.yaml')])));
+    });
+  });
+
+  integration('ignores pubspec.lock files', () {
+    d.dir(appPath, [
+      d.file('pubspec.lock'),
+      d.dir('subdir', [d.file('pubspec.lock')])
+    ]).create();
+
+    schedule(() {
+      expect(entrypoint.packageFiles(),
+          completion(equals([path.join(root, 'pubspec.yaml')])));
+    });
+  });
+
+  integration('ignores packages directories', () {
+    d.dir(appPath, [
+      d.dir('packages', [d.file('file.txt', 'contents')]),
+      d.dir('subdir', [
+        d.dir('packages', [d.file('subfile.txt', 'subcontents')]),
+      ])
+    ]).create();
+
+    schedule(() {
+      expect(entrypoint.packageFiles(),
+          completion(equals([path.join(root, 'pubspec.yaml')])));
+    });
+  });
+
+  integration('allows pubspec.lock directories', () {
+    d.dir(appPath, [
+      d.dir('pubspec.lock', [
+        d.file('file.txt', 'contents'),
+      ])
+    ]).create();
+
+    schedule(() {
+      expect(entrypoint.packageFiles(), completion(unorderedEquals([
+        path.join(root, 'pubspec.yaml'),
+        path.join(root, 'pubspec.lock', 'file.txt')
+      ])));
+    });
+  });
+
+  group('and "beneath"', () {
+    integration('only lists files beneath the given root', () {
+      d.dir(appPath, [
+        d.file('file1.txt', 'contents'),
+        d.file('file2.txt', 'contents'),
+        d.dir('subdir', [
+          d.file('subfile1.txt', 'subcontents'),
+          d.file('subfile2.txt', 'subcontents'),
+          d.dir('subsubdir', [
+            d.file('subsubfile1.txt', 'subsubcontents'),
+            d.file('subsubfile2.txt', 'subsubcontents'),
+          ])
+        ])
+      ]).create();
+
+      schedule(() {
+        expect(entrypoint.packageFiles(beneath: path.join(root, 'subdir')),
+            completion(unorderedEquals([
+          path.join(root, 'subdir', 'subfile1.txt'),
+          path.join(root, 'subdir', 'subfile2.txt'),
+          path.join(root, 'subdir', 'subsubdir', 'subsubfile1.txt'),
+          path.join(root, 'subdir', 'subsubdir', 'subsubfile2.txt')
+        ])));
+      });
+    });
+
+    integration("doesn't care if the root is blacklisted", () {
+      d.dir(appPath, [
+        d.file('file1.txt', 'contents'),
+        d.file('file2.txt', 'contents'),
+        d.dir('packages', [
+          d.file('subfile1.txt', 'subcontents'),
+          d.file('subfile2.txt', 'subcontents'),
+          d.dir('subsubdir', [
+            d.file('subsubfile1.txt', 'subsubcontents'),
+            d.file('subsubfile2.txt', 'subsubcontents')
+          ])
+        ])
+      ]).create();
+
+      schedule(() {
+        expect(entrypoint.packageFiles(beneath: path.join(root, 'packages')),
+            completion(unorderedEquals([
+          path.join(root, 'packages', 'subfile1.txt'),
+          path.join(root, 'packages', 'subfile2.txt'),
+          path.join(root, 'packages', 'subsubdir', 'subsubfile1.txt'),
+          path.join(root, 'packages', 'subsubdir', 'subsubfile2.txt')
+        ])));
+      });
+    });
+  });
+}