Docserver: Implement the content providers infrastructure, where a

chrome/common/extensions/docs/server2/content_provider_test.py

Index: chrome/common/extensions/docs/server2/content_provider_test.py
diff --git a/chrome/common/extensions/docs/server2/content_provider_test.py b/chrome/common/extensions/docs/server2/content_provider_test.py
new file mode 100755
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+++ b/chrome/common/extensions/docs/server2/content_provider_test.py
@@ -0,0 +1,132 @@
+#!/usr/bin/env python
+# Copyright 2013 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from cStringIO import StringIO
+import json
+import unittest
+from zipfile import ZipFile
+
+from compiled_file_system import CompiledFileSystem
+from content_provider import ContentProvider
+from file_system import FileNotFoundError
+from object_store_creator import ObjectStoreCreator
+from test_file_system import TestFileSystem
+from third_party.handlebar import Handlebar
+
+
+_HOST = 'https://developer.chrome.com/'
+
+
+_REDIRECTS_JSON = json.dumps({
+  'oldfile.html': 'storage.html',
+  'index.html': 'https://developers.google.com/chrome',
+})
+
+
+# Test file system data which exercises many different mimetypes.
+_TEST_DATA = {
+  'dir': {
+    'a.txt': 'a.txt content',
+    'b.txt': 'b.txt content',
+    'c': {
+      'd.txt': 'd.txt content',
+    },
+  },
+  'dir2': {
+    'dir3': {
+      'a.txt': 'a.txt content',
+      'b.txt': 'b.txt content',
+      'c': {
+        'd.txt': 'd.txt content',
+      },
+    },
+  },
+  'img.png': 'img.png content',
+  'read.txt': 'read.txt content',
+  'redirects.json': _REDIRECTS_JSON,
+  'run.js': 'run.js content',
+  'site.css': 'site.css content',
+  'storage.html': 'storage.html content',
+}
+
+
+class ContentProviderUnittest(unittest.TestCase):
+  def setUp(self):
+    self._content_provider = self._CreateContentProvider()
+
+  def _CreateContentProvider(self, supports_zip=False):
+    test_file_system = TestFileSystem(_TEST_DATA)
+    return ContentProvider(
+        'foo',
+        CompiledFileSystem.Factory(ObjectStoreCreator.ForTest()),
+        test_file_system,
+        # TODO(kalman): Test supports_templates=False.
+        supports_templates=True,
+        supports_zip=supports_zip)
+
+  def _assertContent(self, content, content_type, content_info):
+    # Assert type so that str is differentiated from unicode.
+    self.assertEqual(type(content), type(content_info.content))
+    self.assertEqual(content, content_info.content)
+    self.assertEqual(content_type, content_info.content_type)
+
+  def testPlainText(self):
+    self._assertContent(
+        u'a.txt content', 'text/plain',
+        self._content_provider.GetContentInfo(_HOST, 'dir/a.txt').Get())
+    self._assertContent(
+        u'd.txt content', 'text/plain',
+        self._content_provider.GetContentInfo(_HOST, 'dir/c/d.txt').Get())
+    self._assertContent(
+        u'read.txt content', 'text/plain',
+        self._content_provider.GetContentInfo(_HOST, 'read.txt').Get())
+    self._assertContent(
+        unicode(_REDIRECTS_JSON, 'utf-8'), 'application/json',
+        self._content_provider.GetContentInfo(_HOST, 'redirects.json').Get())
+    self._assertContent(
+        u'run.js content', 'application/javascript',
+        self._content_provider.GetContentInfo(_HOST, 'run.js').Get())
+    self._assertContent(
+        u'site.css content', 'text/css',
+        self._content_provider.GetContentInfo(_HOST, 'site.css').Get())
+
+  def testTemplate(self):
+    content_info = self._content_provider.GetContentInfo(
+        _HOST, 'storage.html').Get()
+    self.assertEqual(Handlebar, type(content_info.content))
+    content_info.content = content_info.content.source
+    self._assertContent(u'storage.html content', 'text/html', content_info)
+
+  def testImage(self):
+    self._assertContent(
+        'img.png content', 'image/png',
+        self._content_provider.GetContentInfo(_HOST, 'img.png').Get())
+
+  def testZipTopLevel(self):
+    zip_content_provider = self._CreateContentProvider(supports_zip=True)
+    content_info = zip_content_provider.GetContentInfo(_HOST, 'dir.zip').Get()
+    zipfile = ZipFile(StringIO(content_info.content))
+    content_info.content = zipfile.namelist()
+    self._assertContent(
+        ['dir/a.txt', 'dir/b.txt', 'dir/c/d.txt'], 'application/zip',
+        content_info)
+
+  def testZip2ndLevel(self):
+    zip_content_provider = self._CreateContentProvider(supports_zip=True)
+    content_info = zip_content_provider.GetContentInfo(
+        _HOST, 'dir2/dir3.zip').Get()
+    zipfile = ZipFile(StringIO(content_info.content))
+    content_info.content = zipfile.namelist()
+    self._assertContent(
+        ['dir3/a.txt', 'dir3/b.txt', 'dir3/c/d.txt'], 'application/zip',
+        content_info)
+
+  def testNotFound(self):
+    self.assertRaises(FileNotFoundError,
+                      self._content_provider.GetContentInfo(_HOST, 'oops').Get)
+
+
+if __name__ == '__main__':
+  unittest.main()