mediaview: Implement ArcDocumentsProviderRoot.

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
new file mode 100644
index 0000000000000000000000000000000000000000..80bdacd0b14465c7e77e2dbf01ee10f7a3f9c351
--- /dev/null
+++ b/chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root_unittest.cc
@@ -0,0 +1,239 @@
+// Copyright 2016 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.
+
+#include <string.h>
+
+#include <memory>
+#include <string>
+#include <utility>
+
+#include "base/files/file_path.h"
+#include "base/memory/ptr_util.h"
+#include "base/run_loop.h"
+#include "chrome/browser/chromeos/arc/fileapi/arc_documents_provider_root.h"
+#include "chrome/browser/chromeos/arc/fileapi/arc_documents_provider_util.h"
+#include "components/arc/arc_bridge_service.h"
+#include "components/arc/arc_service_manager.h"
+#include "components/arc/test/fake_file_system_instance.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "storage/common/fileapi/directory_entry.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using storage::DirectoryEntry;
+using EntryList = storage::AsyncFileUtil::EntryList;
+
+namespace arc {
+
+namespace {
+
+struct DocumentSpec {
+  const char* document_id;
+  const char* display_name;
+  const char* mime_type;
+  int64_t size;
+  uint64_t last_modified;
+};
+
+constexpr char kAuthority[] = "org.chromium.test";
+constexpr DocumentSpec kRootDocumentSpec = {"root-id", "<root>",
+                                            kAndroidDirectoryMimeType, -1, 0};
+constexpr DocumentSpec kPetDocumentSpec = {
+    "pet-id", "pet", kAndroidDirectoryMimeType, -1, 10000};
+constexpr DocumentSpec kCatDocumentSpec = {"cat-id", "cat.png", "image/png", 28,
+                                           20000};
+constexpr DocumentSpec kDogDocumentSpec = {"dog-id", "dog.mp3", "audio/mp3", -1,
+                                           30000};
+
+static mojom::DocumentPtr MakeDocument(const DocumentSpec& spec) {
+  mojom::DocumentPtr document = mojom::Document::New();
+  document->document_id = spec.document_id;
+  document->display_name = spec.display_name;
+  document->mime_type = spec.mime_type;
+  document->size = spec.size;
+  document->last_modified = spec.last_modified;
+  return document;
+}
+
+class FakeFileSystemInstanceImpl : public FakeFileSystemInstance {
+ public:
+  void GetChildDocuments(const std::string& authority,
+                         const std::string& document_id,
+                         const GetChildDocumentsCallback& callback) override {
+    EXPECT_EQ(kAuthority, authority);
+    base::Optional<std::vector<mojom::DocumentPtr>> result;
+    if (document_id == kRootDocumentSpec.document_id) {
+      result.emplace();
+      result.value().emplace_back(MakeDocument(kPetDocumentSpec));
+    } else if (document_id == kPetDocumentSpec.document_id) {
+      result.emplace();
+      result.value().emplace_back(MakeDocument(kCatDocumentSpec));
+      result.value().emplace_back(MakeDocument(kDogDocumentSpec));
+    }
+    callback.Run(std::move(result));
+  }
+
+  void GetDocument(const std::string& authority,
+                   const std::string& document_id,
+                   const GetDocumentCallback& callback) override {
+    EXPECT_EQ(kAuthority, authority);
+    mojom::DocumentPtr result;
+    if (document_id == kRootDocumentSpec.document_id) {
+      result = MakeDocument(kRootDocumentSpec);
+    } else if (document_id == kPetDocumentSpec.document_id) {
+      result = MakeDocument(kPetDocumentSpec);
+    } else if (document_id == kCatDocumentSpec.document_id) {
+      result = MakeDocument(kCatDocumentSpec);
+    } else if (document_id == kDogDocumentSpec.document_id) {
+      result = MakeDocument(kDogDocumentSpec);
+    }
+    callback.Run(std::move(result));
+  }
+};
+
+void ExpectMatchesSpec(const base::File::Info& info, const DocumentSpec& spec) {
+  EXPECT_EQ(info.size, spec.size);
+  EXPECT_EQ(info.is_directory,
+            strcmp(spec.mime_type, kAndroidDirectoryMimeType) == 0);
+  EXPECT_EQ(info.is_symbolic_link, false);
+  EXPECT_EQ(static_cast<uint64_t>(info.last_modified.ToJavaTime()),
+            spec.last_modified);
+  EXPECT_EQ(static_cast<uint64_t>(info.last_accessed.ToJavaTime()),
+            spec.last_modified);
+  EXPECT_EQ(static_cast<uint64_t>(info.creation_time.ToJavaTime()),
+            spec.last_modified);
+}
+
+class ArcDocumentsProviderRootTest : public testing::Test {
+ public:
+  ArcDocumentsProviderRootTest() {
+    arc_service_manager_ = base::MakeUnique<ArcServiceManager>(nullptr);
+    arc_service_manager_->arc_bridge_service()->file_system()->SetInstance(
+        &file_system_);
+    root_ = base::MakeUnique<ArcDocumentsProviderRoot>(
+        kAuthority, kRootDocumentSpec.document_id);
+  }
+
+  ~ArcDocumentsProviderRootTest() override = default;
+
+ protected:
+  content::TestBrowserThreadBundle thread_bundle_;
+  FakeFileSystemInstanceImpl file_system_;
+  std::unique_ptr<ArcServiceManager> arc_service_manager_;
+  std::unique_ptr<ArcDocumentsProviderRoot> root_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ArcDocumentsProviderRootTest);
+};
+
+}  // namespace
+
+TEST_F(ArcDocumentsProviderRootTest, GetFileInfo) {
+  base::RunLoop run_loop;
+  root_->GetFileInfo(base::FilePath(FILE_PATH_LITERAL("pet/cat.png")),

[Luis Héctor Chávez, 2016/12/15 23:54:26]

Won't all of these DCHECK since you're running them in the UI thread?

[Shuhei Takahashi, 2016/12/16 05:47:14]

TestBrowserThreadBundle runs UI/IO/etc. threads as a single shared thread, so
DCHECK_CURRENT_ON() always succeeds.
https://cs.chromium.org/chromium/src/content/public/test/test_browser_thread_...

+                     base::Bind(
+                         [](base::RunLoop* run_loop, base::File::Error error,
+                            const base::File::Info& info) {
+                           EXPECT_EQ(base::File::FILE_OK, error);
+                           ExpectMatchesSpec(info, kCatDocumentSpec);
+                           run_loop->Quit();
+                         },
+                         &run_loop));
+  run_loop.Run();
+}
+
+TEST_F(ArcDocumentsProviderRootTest, GetFileInfoDirectory) {
+  base::RunLoop run_loop;
+  root_->GetFileInfo(base::FilePath(FILE_PATH_LITERAL("pet")),
+                     base::Bind(
+                         [](base::RunLoop* run_loop, base::File::Error error,
+                            const base::File::Info& info) {
+                           EXPECT_EQ(base::File::FILE_OK, error);
+                           ExpectMatchesSpec(info, kPetDocumentSpec);
+                           run_loop->Quit();
+                         },
+                         &run_loop));
+  run_loop.Run();
+}
+
+TEST_F(ArcDocumentsProviderRootTest, GetFileInfoRoot) {
+  base::RunLoop run_loop;
+  root_->GetFileInfo(base::FilePath(FILE_PATH_LITERAL("")),
+                     base::Bind(
+                         [](base::RunLoop* run_loop, base::File::Error error,
+                            const base::File::Info& info) {
+                           EXPECT_EQ(base::File::FILE_OK, error);
+                           ExpectMatchesSpec(info, kRootDocumentSpec);
+                           run_loop->Quit();
+                         },
+                         &run_loop));
+  run_loop.Run();
+}
+
+TEST_F(ArcDocumentsProviderRootTest, GetFileInfoNoSuchFile) {
+  base::RunLoop run_loop;
+  root_->GetFileInfo(base::FilePath(FILE_PATH_LITERAL("pet/fox.jpg")),
+                     base::Bind(
+                         [](base::RunLoop* run_loop, base::File::Error error,
+                            const base::File::Info& info) {
+                           EXPECT_EQ(base::File::FILE_ERROR_NOT_FOUND, error);
+                           run_loop->Quit();
+                         },
+                         &run_loop));
+  run_loop.Run();
+}
+
+TEST_F(ArcDocumentsProviderRootTest, ReadDirectory) {
+  base::RunLoop run_loop;
+  root_->ReadDirectory(
+      base::FilePath(FILE_PATH_LITERAL("pet")),
+      base::Bind(
+          [](base::RunLoop* run_loop, base::File::Error error,
+             const EntryList& file_list, bool has_more) {
+            EXPECT_EQ(base::File::FILE_OK, error);
+            ASSERT_EQ(2u, file_list.size());
+            EXPECT_EQ(FILE_PATH_LITERAL("cat.png"), file_list[0].name);
+            EXPECT_FALSE(file_list[0].is_directory);
+            EXPECT_EQ(FILE_PATH_LITERAL("dog.mp3"), file_list[1].name);
+            EXPECT_FALSE(file_list[1].is_directory);
+            EXPECT_FALSE(has_more);
+            run_loop->Quit();
+          },
+          &run_loop));
+  run_loop.Run();
+}
+
+TEST_F(ArcDocumentsProviderRootTest, ReadDirectoryRoot) {
+  base::RunLoop run_loop;
+  root_->ReadDirectory(base::FilePath(FILE_PATH_LITERAL("")),
+                       base::Bind(
+                           [](base::RunLoop* run_loop, base::File::Error error,
+                              const EntryList& file_list, bool has_more) {
+                             EXPECT_EQ(base::File::FILE_OK, error);
+                             ASSERT_EQ(1u, file_list.size());
+                             EXPECT_EQ(FILE_PATH_LITERAL("pet"),
+                                       file_list[0].name);
+                             EXPECT_TRUE(file_list[0].is_directory);
+                             EXPECT_FALSE(has_more);
+                             run_loop->Quit();
+                           },
+                           &run_loop));
+  run_loop.Run();
+}
+
+TEST_F(ArcDocumentsProviderRootTest, ReadDirectoryNoSuchDirectory) {
+  base::RunLoop run_loop;
+  root_->ReadDirectory(base::FilePath(FILE_PATH_LITERAL("humans")),
+                       base::Bind(
+                           [](base::RunLoop* run_loop, base::File::Error error,
+                              const EntryList& file_list, bool has_more) {
+                             EXPECT_EQ(base::File::FILE_ERROR_NOT_FOUND, error);
+                             EXPECT_EQ(0u, file_list.size());
+                             EXPECT_FALSE(has_more);
+                             run_loop->Quit();
+                           },
+                           &run_loop));
+  run_loop.Run();
+}
+
+}  // namespace arc