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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/embedder_support/android/util/web_resource_response.h"
#include <map>
#include <memory>
#include <optional>
#include <string>
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "components/embedder_support/android/util/input_stream.h"
#include "net/http/http_response_headers.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/jni_zero/default_conversions.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "components/embedder_support/android/native_j_unittests_jni_headers/WebResourceResponseUnittest_jni.h"
namespace embedder_support {
class WebResourceResponseTest : public testing::Test {
public:
WebResourceResponseTest() = default;
protected:
void SetUp() override {
env_ = jni_zero::AttachCurrentThread();
ASSERT_THAT(env_, testing::NotNull());
}
std::multimap<std::string, std::string> HeadersToMap(
const net::HttpResponseHeaders* headers) {
std::multimap<std::string, std::string> result;
size_t iter = 0;
std::string name;
std::string value;
while (headers->EnumerateHeaderLines(&iter, &name, &value)) {
result.insert({name, value});
}
return result;
}
raw_ptr<JNIEnv> env_;
};
TEST_F(WebResourceResponseTest, TestNullJniConversion) {
std::unique_ptr<WebResourceResponse> response =
Java_WebResourceResponseUnittest_getNullResponse(env_);
EXPECT_FALSE(response);
}
TEST_F(WebResourceResponseTest, CanReadAllFields) {
std::string mime_type = "text/plain";
std::string charset = "utf-8";
int status_code = 217;
std::string reason_phrase = "Reason Overridden";
base::flat_map<std::string, std::string> headers{
{"X-Header", "value1"},
{"Y-Header", "value2"},
};
std::string body = "Body Content";
std::unique_ptr<WebResourceResponse> response =
Java_WebResourceResponseUnittest_createJavaObject(
env_, mime_type, charset, status_code, reason_phrase, headers, body);
EXPECT_TRUE(response);
std::string received_mime_type;
EXPECT_TRUE(response->GetMimeType(env_, &received_mime_type));
EXPECT_EQ(mime_type, received_mime_type);
std::string received_charset;
EXPECT_TRUE(response->GetCharset(env_, &received_charset));
EXPECT_EQ(charset, received_charset);
int received_status_code;
std::string received_reason_phrase;
EXPECT_TRUE(response->GetStatusInfo(env_, &received_status_code,
&received_reason_phrase));
EXPECT_EQ(status_code, received_status_code);
EXPECT_EQ(reason_phrase, received_reason_phrase);
scoped_refptr<net::HttpResponseHeaders> received_headers =
base::MakeRefCounted<net::HttpResponseHeaders>("");
EXPECT_TRUE(response->GetResponseHeaders(env_, received_headers.get()));
std::multimap<std::string, std::string> received_header_map =
HeadersToMap(received_headers.get());
EXPECT_EQ(2UL, received_header_map.size());
EXPECT_EQ(1UL, received_header_map.count("X-Header"));
EXPECT_EQ("value1", received_header_map.find("X-Header")->second);
EXPECT_EQ(1UL, received_header_map.count("Y-Header"));
EXPECT_EQ("value2", received_header_map.find("Y-Header")->second);
EXPECT_TRUE(response->HasInputStream(env_));
std::unique_ptr<InputStream> input_stream = response->GetInputStream(env_);
EXPECT_TRUE(input_stream);
int received_bytes_available;
input_stream->BytesAvailable(&received_bytes_available);
EXPECT_EQ(body.length(), (size_t)received_bytes_available);
}
TEST_F(WebResourceResponseTest, HandlesNullHeaderMap) {
// Construct a response with a null header map.
std::unique_ptr<WebResourceResponse> response =
Java_WebResourceResponseUnittest_createJavaObject(
env_, "text/plain", "utf-8", 200, "OK", "body content");
scoped_refptr<net::HttpResponseHeaders> received_headers =
base::MakeRefCounted<net::HttpResponseHeaders>("");
EXPECT_FALSE(response->GetResponseHeaders(env_, received_headers.get()));
std::multimap<std::string, std::string> received_header_map =
HeadersToMap(received_headers.get());
EXPECT_EQ(0UL, received_header_map.size())
<< "No headers should be added to the HttpResponseHeaders";
}
TEST_F(WebResourceResponseTest, IgnoresLowStatusCodes) {
std::unique_ptr<WebResourceResponse> response =
Java_WebResourceResponseUnittest_createJavaObject(
env_, "text/plain", "utf-8", 50, "OK", "body content");
int received_status_code = -1;
std::string received_reason_phrase = "unchanged";
EXPECT_FALSE(response->GetStatusInfo(env_, &received_status_code,
&received_reason_phrase));
EXPECT_EQ(-1, received_status_code) << "No change to variable value expected";
EXPECT_EQ("unchanged", received_reason_phrase)
<< "No change to variable value expected";
}
TEST_F(WebResourceResponseTest, IgnoresHighStatusCodes) {
std::unique_ptr<WebResourceResponse> response =
Java_WebResourceResponseUnittest_createJavaObject(
env_, "text/plain", "utf-8", 600, "OK", "body content");
int received_status_code = -1;
std::string received_reason_phrase = "unchanged";
EXPECT_FALSE(response->GetStatusInfo(env_, &received_status_code,
&received_reason_phrase));
EXPECT_EQ(-1, received_status_code) << "No change to variable value expected";
EXPECT_EQ("unchanged", received_reason_phrase)
<< "No change to variable value expected";
}
TEST_F(WebResourceResponseTest, IgnoresUnsetReasonPhrase) {
std::unique_ptr<WebResourceResponse> response =
Java_WebResourceResponseUnittest_createJavaObject(
env_, "text/plain", "utf-8", 200, std::nullopt, "body content");
int received_status_code = -1;
std::string received_reason_phrase = "unchanged";
EXPECT_FALSE(response->GetStatusInfo(env_, &received_status_code,
&received_reason_phrase));
EXPECT_EQ(-1, received_status_code) << "No change to variable value expected";
EXPECT_EQ("unchanged", received_reason_phrase)
<< "No change to variable value expected";
}
TEST_F(WebResourceResponseTest, IgnoresUnsetMimeType) {
std::unique_ptr<WebResourceResponse> response =
Java_WebResourceResponseUnittest_createJavaObject(
env_, std::nullopt, "utf-8", 200, "OK", "body content");
std::string received_mime_type = "unchanged";
EXPECT_FALSE(response->GetMimeType(env_, &received_mime_type));
EXPECT_EQ("unchanged", received_mime_type)
<< "No change to variable value expected";
}
TEST_F(WebResourceResponseTest, IgnoresUnsetCharset) {
std::unique_ptr<WebResourceResponse> response =
Java_WebResourceResponseUnittest_createJavaObject(
env_, "text/plain", std::nullopt, 200, "OK", "body content");
std::string received_charset = "unchanged";
EXPECT_FALSE(response->GetCharset(env_, &received_charset));
EXPECT_EQ("unchanged", received_charset)
<< "No change to variable value expected";
}
} // namespace embedder_support
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