gdata:: Add GDataFileSystem::GetFile().

chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc

Index: chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc b/chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc
index a867af2f223a7d680fc9c53a569944fd009cacc3..5e0cbce49ee6a96ceeef89de6746e4f2040da462 100644
--- a/chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc
+++ b/chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc
@@ -438,4 +438,22 @@ TEST_F(GDataFileSystemTest, FindFirstMissingParentDirectory) {
       GDataFileSystem::DIRECTORY_ALREADY_PRESENT);
 }
 
+TEST_F(GDataFileSystemTest, GetFile) {
+  // TODO(satorux): Write a test once DocumentsService is mockable.

[zel, 2012/03/02 23:44:04]

maybe remove this test for now and just leave the comment?

[satorux1, 2012/03/03 00:39:10]

Done.

+}
+
+TEST_F(GDataFileSystemTest, GetGDataFileInfoFromPath) {
+  LoadRootFeedDocument("root_feed.json");
+
+  GDataFileBase* file_info = file_system_->GetGDataFileInfoFromPath(
+      FilePath(FILE_PATH_LITERAL("gdata/File 1.txt")));
+  ASSERT_TRUE(file_info != NULL);
+  EXPECT_EQ("https://file_link_self/", file_info->self_url().spec());
+  EXPECT_EQ("https://file_content_url/", file_info->content_url().spec());
+
+  GDataFileBase* non_existent = file_system_->GetGDataFileInfoFromPath(
+      FilePath(FILE_PATH_LITERAL("gdata/Nonexistent.txt")));
+  ASSERT_TRUE(non_existent == NULL);
+}
+
 }   // namespace gdata