Adds resource_provider::ResourceProvider

components/resource_provider/file_utils_unittest.cc

+// Copyright 2015 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 "components/resource_provider/file_utils.h"
+
+#include "base/files/file_path.h"
+#include "base/path_service.h"
+#include "base/strings/string_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+namespace resource_provider {
+
+// Assertions for invalid app paths.
+TEST(FileUtilsTest, InvalidAppPath) {
+  struct TestCase {
+    std::string url;
+  };
+  struct TestCase invalid_cases[]{
+      {"http://foo"},     // Must start with 'mojo:'.
+      {"mojo://."},       // Don't allow '.'.
+      {"mojo://.."},      // Don't allow '..'.
+      {"mojo://foo/."},   // Don't allow '.'.
+      {"mojo://bar/.."},  // Don't allow '..'.
+  };
+
+  for (size_t i = 0; i < arraysize(invalid_cases); ++i) {
+    const GURL url(invalid_cases[i].url);
+    base::FilePath resulting_path(GetPathForApplicationUrl(url));
+    EXPECT_TRUE(resulting_path.empty()) << "i=" << i
+                                        << " input=" << invalid_cases[i].url
+                                        << " result=" << resulting_path.value();
+  }
+}
+
+// Assertions for invalid app paths.
+TEST(FileUtilsTest, InvalidResourcePath) {
+  struct TestCase {
+    std::string path;
+  };
+  struct TestCase invalid_cases[]{
+      {"."},
+      {".."},
+      {"foo/."},
+      {"bar/.."},
+      {"foo/./bar"},
+      {"bar/../baz"},
+      {"bar/baz/"},
+      {"bar//baz/"},
+  };
+
+  const base::FilePath app_path(GetPathForApplicationUrl(GURL("mojo:test")));
+  ASSERT_FALSE(app_path.empty());
+
+  for (size_t i = 0; i < arraysize(invalid_cases); ++i) {
+    base::FilePath resulting_path(
+        GetPathForResourceNamed(app_path, invalid_cases[i].path));
+    EXPECT_TRUE(resulting_path.empty()) << i
+                                        << " input=" << invalid_cases[i].path
+                                        << " result=" << resulting_path.value();
+  }
+}
+
+TEST(FileUtilsTest, ValidPaths) {
+  const base::FilePath app_path(GetPathForApplicationUrl(GURL("mojo:test")));
+  ASSERT_FALSE(app_path.empty());
+
+  // Trivial single path element.
+  const base::FilePath trivial_path(
+      GetPathForResourceNamed(app_path, "single"));
+  EXPECT_EQ(app_path.AppendASCII("single").value(), trivial_path.value());
+
+  // Two path elements.
+  const base::FilePath two_paths(GetPathForResourceNamed(app_path, "a/b"));
+  EXPECT_EQ(app_path.AppendASCII("a").AppendASCII("b").value(),
+            two_paths.value());
+}
+
+}  // namespace resource_provider