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// Copyright (c) 2012 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 "net/url_request/view_cache_helper.h"
#include "base/pickle.h"
#include "net/base/net_errors.h"
#include "net/base/test_completion_callback.h"
#include "net/disk_cache/disk_cache.h"
#include "net/http/http_cache.h"
#include "net/http/http_transaction_test_util.h"
#include "net/url_request/url_request_context.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
class TestURLRequestContext : public URLRequestContext {
public:
TestURLRequestContext();
~TestURLRequestContext() override { AssertNoURLRequests(); }
// Gets a pointer to the cache backend.
disk_cache::Backend* GetBackend();
private:
HttpCache cache_;
};
TestURLRequestContext::TestURLRequestContext()
: cache_(make_scoped_ptr(new MockNetworkLayer()),
HttpCache::DefaultBackend::InMemory(0),
true) {
set_http_transaction_factory(&cache_);
}
void WriteHeaders(disk_cache::Entry* entry, int flags,
const std::string& data) {
if (data.empty())
return;
base::Pickle pickle;
pickle.WriteInt(flags | 1); // Version 1.
pickle.WriteInt64(0);
pickle.WriteInt64(0);
pickle.WriteString(data);
scoped_refptr<WrappedIOBuffer> buf(new WrappedIOBuffer(
reinterpret_cast<const char*>(pickle.data())));
int len = static_cast<int>(pickle.size());
TestCompletionCallback cb;
int rv = entry->WriteData(0, 0, buf.get(), len, cb.callback(), true);
ASSERT_EQ(len, cb.GetResult(rv));
}
void WriteData(disk_cache::Entry* entry, int index, const std::string& data) {
if (data.empty())
return;
int len = data.length();
scoped_refptr<IOBuffer> buf(new IOBuffer(len));
memcpy(buf->data(), data.data(), data.length());
TestCompletionCallback cb;
int rv = entry->WriteData(index, 0, buf.get(), len, cb.callback(), true);
ASSERT_EQ(len, cb.GetResult(rv));
}
void WriteToEntry(disk_cache::Backend* cache, const std::string& key,
const std::string& data0, const std::string& data1,
const std::string& data2) {
TestCompletionCallback cb;
disk_cache::Entry* entry;
int rv = cache->CreateEntry(key, &entry, cb.callback());
rv = cb.GetResult(rv);
if (rv != OK) {
rv = cache->OpenEntry(key, &entry, cb.callback());
ASSERT_EQ(OK, cb.GetResult(rv));
}
WriteHeaders(entry, 0, data0);
WriteData(entry, 1, data1);
WriteData(entry, 2, data2);
entry->Close();
}
void FillCache(URLRequestContext* context) {
TestCompletionCallback cb;
disk_cache::Backend* cache;
int rv =
context->http_transaction_factory()->GetCache()->GetBackend(
&cache, cb.callback());
ASSERT_EQ(OK, cb.GetResult(rv));
std::string empty;
WriteToEntry(cache, "first", "some", empty, empty);
WriteToEntry(cache, "second", "only hex_dumped", "same", "kind");
WriteToEntry(cache, "third", empty, "another", "thing");
}
} // namespace.
TEST(ViewCacheHelper, EmptyCache) {
TestURLRequestContext context;
ViewCacheHelper helper;
TestCompletionCallback cb;
std::string prefix, data;
int rv = helper.GetContentsHTML(&context, prefix, &data, cb.callback());
EXPECT_EQ(OK, cb.GetResult(rv));
EXPECT_FALSE(data.empty());
}
TEST(ViewCacheHelper, ListContents) {
TestURLRequestContext context;
ViewCacheHelper helper;
FillCache(&context);
std::string prefix, data;
TestCompletionCallback cb;
int rv = helper.GetContentsHTML(&context, prefix, &data, cb.callback());
EXPECT_EQ(OK, cb.GetResult(rv));
EXPECT_EQ(0U, data.find("<html>"));
EXPECT_NE(std::string::npos, data.find("</html>"));
EXPECT_NE(std::string::npos, data.find("first"));
EXPECT_NE(std::string::npos, data.find("second"));
EXPECT_NE(std::string::npos, data.find("third"));
EXPECT_EQ(std::string::npos, data.find("some"));
EXPECT_EQ(std::string::npos, data.find("same"));
EXPECT_EQ(std::string::npos, data.find("thing"));
}
TEST(ViewCacheHelper, DumpEntry) {
TestURLRequestContext context;
ViewCacheHelper helper;
FillCache(&context);
std::string data;
TestCompletionCallback cb;
int rv = helper.GetEntryInfoHTML("second", &context, &data, cb.callback());
EXPECT_EQ(OK, cb.GetResult(rv));
EXPECT_EQ(0U, data.find("<html>"));
EXPECT_NE(std::string::npos, data.find("</html>"));
EXPECT_NE(std::string::npos, data.find("hex_dumped"));
EXPECT_NE(std::string::npos, data.find("same"));
EXPECT_NE(std::string::npos, data.find("kind"));
EXPECT_EQ(std::string::npos, data.find("first"));
EXPECT_EQ(std::string::npos, data.find("third"));
EXPECT_EQ(std::string::npos, data.find("some"));
EXPECT_EQ(std::string::npos, data.find("another"));
}
// Makes sure the links are correct.
TEST(ViewCacheHelper, Prefix) {
TestURLRequestContext context;
ViewCacheHelper helper;
FillCache(&context);
std::string key, data;
std::string prefix("prefix:");
TestCompletionCallback cb;
int rv = helper.GetContentsHTML(&context, prefix, &data, cb.callback());
EXPECT_EQ(OK, cb.GetResult(rv));
EXPECT_EQ(0U, data.find("<html>"));
EXPECT_NE(std::string::npos, data.find("</html>"));
EXPECT_NE(std::string::npos, data.find("<a href=\"prefix:first\">"));
EXPECT_NE(std::string::npos, data.find("<a href=\"prefix:second\">"));
EXPECT_NE(std::string::npos, data.find("<a href=\"prefix:third\">"));
}
TEST(ViewCacheHelper, TruncatedFlag) {
TestURLRequestContext context;
ViewCacheHelper helper;
TestCompletionCallback cb;
disk_cache::Backend* cache;
int rv =
context.http_transaction_factory()->GetCache()->GetBackend(
&cache, cb.callback());
ASSERT_EQ(OK, cb.GetResult(rv));
std::string key("the key");
disk_cache::Entry* entry;
rv = cache->CreateEntry(key, &entry, cb.callback());
ASSERT_EQ(OK, cb.GetResult(rv));
// RESPONSE_INFO_TRUNCATED defined on response_info.cc
int flags = 1 << 12;
WriteHeaders(entry, flags, "something");
entry->Close();
std::string data;
TestCompletionCallback cb1;
rv = helper.GetEntryInfoHTML(key, &context, &data, cb1.callback());
EXPECT_EQ(OK, cb1.GetResult(rv));
EXPECT_NE(std::string::npos, data.find("RESPONSE_INFO_TRUNCATED"));
}
} // namespace net
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