mediaview: Implement ArcDocumentsProviderBackendDelegate.

chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc

Index: chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc
diff --git a/chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc b/chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc
index cb1467e272ad772f306a8af923d2ab725fce0e68..fd3292258455ab3c4e6b2ea50580e3281b39ef2f 100644
--- a/chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc
+++ b/chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc
@@ -19,6 +19,7 @@
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "storage/common/fileapi/directory_entry.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
 
 using storage::DirectoryEntry;
 using EntryList = storage::AsyncFileUtil::EntryList;
@@ -315,4 +316,60 @@ TEST_F(ArcDocumentsProviderRootTest, ReadDirectoryDups) {
   run_loop.Run();
 }
 
+TEST_F(ArcDocumentsProviderRootTest, ResolveToContentUrl) {
+  base::RunLoop run_loop;
+  root_->ResolveToContentUrl(
+      base::FilePath(FILE_PATH_LITERAL("dir/photo.jpg")),
+      base::Bind(
+          [](base::RunLoop* run_loop, const GURL& url) {
+            EXPECT_EQ(GURL("content://org.chromium.test/document/photo-id"),
+                      url);
+            run_loop->Quit();
+          },
+          &run_loop));
+  run_loop.Run();
+}
+
+TEST_F(ArcDocumentsProviderRootTest, ResolveToContentUrlRoot) {
+  base::RunLoop run_loop;
+  root_->ResolveToContentUrl(
+      base::FilePath(FILE_PATH_LITERAL("")),
+      base::Bind(
+          [](base::RunLoop* run_loop, const GURL& url) {
+            EXPECT_EQ(GURL("content://org.chromium.test/document/root-id"),
+                      url);
+            run_loop->Quit();
+          },
+          &run_loop));
+  run_loop.Run();
+}
+
+TEST_F(ArcDocumentsProviderRootTest, ResolveToContentUrlNoSuchFile) {
+  base::RunLoop run_loop;
+  root_->ResolveToContentUrl(base::FilePath(FILE_PATH_LITERAL("missing")),
+                             base::Bind(
+                                 [](base::RunLoop* run_loop, const GURL& url) {
+                                   EXPECT_EQ(GURL(), url);
+                                   run_loop->Quit();
+                                 },
+                                 &run_loop));
+  run_loop.Run();
+}
+
+TEST_F(ArcDocumentsProviderRootTest, ResolveToContentUrlDups) {
+  base::RunLoop run_loop;
+  // "dup 2.mp4" should map to the 3rd instance of "dup.mp4" regardless of the
+  // order returned from FileSystemInstance.
+  root_->ResolveToContentUrl(
+      base::FilePath(FILE_PATH_LITERAL("dups/dup 2.mp4")),
+      base::Bind(
+          [](base::RunLoop* run_loop, const GURL& url) {
+            EXPECT_EQ(GURL("content://org.chromium.test/document/dup3-id"),
+                      url);
+            run_loop->Quit();
+          },
+          &run_loop));
+  run_loop.Run();
+}
+
 }  // namespace arc