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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/process_map.h"
#include "base/memory/ref_counted.h"
#include "base/values.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_builder.h"
#include "extensions/common/features/feature.h"
#include "extensions/common/mojom/context_type.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
namespace {
enum class TypeToCreate { kExtension, kHostedApp, kPlatformApp };
scoped_refptr<const Extension> CreateExtensionWithFlags(TypeToCreate type,
const std::string& id) {
auto manifest_builder = base::Value::Dict()
.Set("name", "Test extension")
.Set("version", "1.0")
.Set("manifest_version", 2);
switch (type) {
case TypeToCreate::kExtension:
manifest_builder.Set(
"background",
base::Value::Dict().Set("scripts",
base::Value::List().Append("background.js")));
break;
case TypeToCreate::kHostedApp:
manifest_builder.Set(
"app", base::Value::Dict().Set(
"launch", base::Value::Dict().Set("web_url",
"https://www.foo.bar")));
break;
case TypeToCreate::kPlatformApp:
manifest_builder.Set(
"app",
base::Value::Dict().Set(
"background",
base::Value::Dict().Set(
"scripts", base::Value::List().Append("background.js"))));
break;
}
return ExtensionBuilder()
.SetID(id)
.SetManifest(std::move(manifest_builder))
.Build();
}
} // namespace
} // namespace extensions
using extensions::ProcessMap;
TEST(ExtensionProcessMapTest, Test) {
ProcessMap map(/*browser_context=*/nullptr);
// Test behavior when empty.
EXPECT_FALSE(map.Contains("a", 1));
EXPECT_FALSE(map.Remove(1));
EXPECT_FALSE(map.ExtensionHasProcess("a"));
EXPECT_EQ(0u, map.size());
// Test insertion and behavior with one item.
EXPECT_TRUE(map.Insert("a", 1));
EXPECT_TRUE(map.Contains("a", 1));
EXPECT_FALSE(map.Contains("a", 2));
EXPECT_FALSE(map.Contains("b", 1));
EXPECT_TRUE(map.ExtensionHasProcess("a"));
EXPECT_FALSE(map.ExtensionHasProcess("b"));
EXPECT_EQ(1u, map.size());
// Test inserting a duplicate item.
EXPECT_FALSE(map.Insert("a", 1));
EXPECT_TRUE(map.Contains("a", 1));
EXPECT_EQ(1u, map.size());
// Insert some more items.
EXPECT_TRUE(map.Insert("a", 2));
EXPECT_TRUE(map.Insert("b", 3));
EXPECT_TRUE(map.Insert("b", 4));
EXPECT_EQ(4u, map.size());
EXPECT_TRUE(map.Contains("a", 1));
EXPECT_TRUE(map.Contains("a", 2));
EXPECT_TRUE(map.Contains("b", 3));
EXPECT_TRUE(map.Contains("b", 4));
EXPECT_FALSE(map.Contains("a", 3));
EXPECT_FALSE(map.Contains("b", 2));
EXPECT_FALSE(map.Contains("a", 5));
EXPECT_FALSE(map.Contains("c", 3));
EXPECT_TRUE(map.ExtensionHasProcess("a"));
EXPECT_TRUE(map.ExtensionHasProcess("b"));
// At this point we have {a,1}, {a,2}, {b,3}, and {b,4} in the map. Test
// removal of these processes.
EXPECT_EQ(1, map.Remove(1));
EXPECT_EQ(3u, map.size());
EXPECT_FALSE(map.Contains("a", 1));
EXPECT_TRUE(map.Contains("a", 2));
EXPECT_EQ(1, map.Remove(2));
EXPECT_EQ(2u, map.size());
EXPECT_EQ(0, map.Remove(2));
EXPECT_EQ(2u, map.size());
EXPECT_EQ(1, map.Remove(3));
EXPECT_EQ(1u, map.size());
EXPECT_EQ(0, map.Remove(3));
EXPECT_EQ(1u, map.size());
EXPECT_EQ(1, map.Remove(4));
EXPECT_EQ(0u, map.size());
EXPECT_EQ(0, map.Remove(4));
EXPECT_EQ(0u, map.size());
}
TEST(ExtensionProcessMapTest, GetMostLikelyContextType) {
ProcessMap map(/*browser_context=*/nullptr);
const GURL web_url("https://foo.example");
const GURL extension_url("chrome-extension://foobar");
const GURL untrusted_webui_url("chrome-untrusted://foo/index.html");
EXPECT_EQ(extensions::mojom::ContextType::kWebPage,
map.GetMostLikelyContextType(nullptr, 1, &web_url));
scoped_refptr<const extensions::Extension> extension =
CreateExtensionWithFlags(extensions::TypeToCreate::kExtension, "a");
EXPECT_EQ(extensions::mojom::ContextType::kContentScript,
map.GetMostLikelyContextType(extension.get(), 2, &extension_url));
EXPECT_EQ(extensions::mojom::ContextType::kContentScript,
map.GetMostLikelyContextType(extension.get(), 2, &web_url));
EXPECT_EQ(
extensions::mojom::ContextType::kContentScript,
map.GetMostLikelyContextType(extension.get(), 2, &untrusted_webui_url));
map.Insert("b", 3);
extension =
CreateExtensionWithFlags(extensions::TypeToCreate::kExtension, "b");
EXPECT_EQ(extensions::mojom::ContextType::kPrivilegedExtension,
map.GetMostLikelyContextType(extension.get(), 3, &extension_url));
map.Insert("c", 4);
extension =
CreateExtensionWithFlags(extensions::TypeToCreate::kPlatformApp, "c");
EXPECT_EQ(extensions::mojom::ContextType::kPrivilegedExtension,
map.GetMostLikelyContextType(extension.get(), 4, &extension_url));
map.Insert("d", 5);
extension =
CreateExtensionWithFlags(extensions::TypeToCreate::kHostedApp, "d");
EXPECT_EQ(extensions::mojom::ContextType::kPrivilegedWebPage,
map.GetMostLikelyContextType(extension.get(), 5, &web_url));
map.Insert("e", 6);
EXPECT_EQ(extensions::mojom::ContextType::kUntrustedWebUi,
map.GetMostLikelyContextType(/*extension=*/nullptr, 6,
&untrusted_webui_url));
map.Insert("f", 7);
EXPECT_EQ(extensions::mojom::ContextType::kWebPage,
map.GetMostLikelyContextType(/*extension=*/nullptr, 7, &web_url));
}
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