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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "test/librbd/test_mock_fixture.h"
#include "test/librbd/test_support.h"
#include "include/rbd_types.h"
#include "common/ceph_mutex.h"
#include "librbd/migration/HttpClient.h"
#include "librbd/migration/HttpStream.h"
#include "gtest/gtest.h"
#include "gmock/gmock.h"
#include "json_spirit/json_spirit.h"
#include <boost/beast/http.hpp>
namespace librbd {
namespace {
struct MockTestImageCtx : public MockImageCtx {
MockTestImageCtx(ImageCtx &image_ctx) : MockImageCtx(image_ctx) {
}
};
} // anonymous namespace
namespace migration {
template <>
struct HttpClient<MockTestImageCtx> {
static HttpClient* s_instance;
static HttpClient* create(MockTestImageCtx*, const std::string&) {
ceph_assert(s_instance != nullptr);
return s_instance;
}
MOCK_METHOD1(open, void(Context*));
MOCK_METHOD1(close, void(Context*));
MOCK_METHOD2(get_size, void(uint64_t*, Context*));
MOCK_METHOD3(do_read, void(const io::Extents&, bufferlist*, Context*));
void read(io::Extents&& extents, bufferlist* bl, Context* ctx) {
do_read(extents, bl, ctx);
}
HttpClient() {
s_instance = this;
}
};
HttpClient<MockTestImageCtx>* HttpClient<MockTestImageCtx>::s_instance = nullptr;
} // namespace migration
} // namespace librbd
#include "librbd/migration/HttpStream.cc"
namespace librbd {
namespace migration {
using ::testing::_;
using ::testing::Invoke;
using ::testing::InSequence;
using ::testing::WithArgs;
class TestMockMigrationHttpStream : public TestMockFixture {
public:
typedef HttpStream<MockTestImageCtx> MockHttpStream;
typedef HttpClient<MockTestImageCtx> MockHttpClient;
librbd::ImageCtx *m_image_ctx;
void SetUp() override {
TestMockFixture::SetUp();
ASSERT_EQ(0, open_image(m_image_name, &m_image_ctx));
json_object["url"] = "http://some.site/file";
}
void expect_open(MockHttpClient& mock_http_client, int r) {
EXPECT_CALL(mock_http_client, open(_))
.WillOnce(Invoke([r](Context* ctx) { ctx->complete(r); }));
}
void expect_close(MockHttpClient& mock_http_client, int r) {
EXPECT_CALL(mock_http_client, close(_))
.WillOnce(Invoke([r](Context* ctx) { ctx->complete(r); }));
}
void expect_get_size(MockHttpClient& mock_http_client, uint64_t size, int r) {
EXPECT_CALL(mock_http_client, get_size(_, _))
.WillOnce(Invoke([size, r](uint64_t* out_size, Context* ctx) {
*out_size = size;
ctx->complete(r);
}));
}
void expect_read(MockHttpClient& mock_http_client, io::Extents byte_extents,
const bufferlist& bl, int r) {
uint64_t len = 0;
for (auto [_, byte_len] : byte_extents) {
len += byte_len;
}
EXPECT_CALL(mock_http_client, do_read(byte_extents, _, _))
.WillOnce(WithArgs<1, 2>(Invoke(
[len, bl, r](bufferlist* out_bl, Context* ctx) {
*out_bl = bl;
ctx->complete(r < 0 ? r : len);
})));
}
json_spirit::mObject json_object;
};
TEST_F(TestMockMigrationHttpStream, OpenClose) {
MockTestImageCtx mock_image_ctx(*m_image_ctx);
InSequence seq;
auto mock_http_client = new MockHttpClient();
expect_open(*mock_http_client, 0);
expect_close(*mock_http_client, 0);
MockHttpStream mock_http_stream(&mock_image_ctx, json_object);
C_SaferCond ctx1;
mock_http_stream.open(&ctx1);
ASSERT_EQ(0, ctx1.wait());
C_SaferCond ctx2;
mock_http_stream.close(&ctx2);
ASSERT_EQ(0, ctx2.wait());
}
TEST_F(TestMockMigrationHttpStream, GetSize) {
MockTestImageCtx mock_image_ctx(*m_image_ctx);
InSequence seq;
auto mock_http_client = new MockHttpClient();
expect_open(*mock_http_client, 0);
expect_get_size(*mock_http_client, 128, 0);
expect_close(*mock_http_client, 0);
MockHttpStream mock_http_stream(&mock_image_ctx, json_object);
C_SaferCond ctx1;
mock_http_stream.open(&ctx1);
ASSERT_EQ(0, ctx1.wait());
C_SaferCond ctx2;
uint64_t size;
mock_http_stream.get_size(&size, &ctx2);
ASSERT_EQ(0, ctx2.wait());
ASSERT_EQ(128, size);
C_SaferCond ctx3;
mock_http_stream.close(&ctx3);
ASSERT_EQ(0, ctx3.wait());
}
TEST_F(TestMockMigrationHttpStream, Read) {
MockTestImageCtx mock_image_ctx(*m_image_ctx);
InSequence seq;
auto mock_http_client = new MockHttpClient();
expect_open(*mock_http_client, 0);
bufferlist expect_bl;
expect_bl.append(std::string(192, '1'));
expect_read(*mock_http_client, {{0, 128}, {256, 64}}, expect_bl, 0);
expect_close(*mock_http_client, 0);
MockHttpStream mock_http_stream(&mock_image_ctx, json_object);
C_SaferCond ctx1;
mock_http_stream.open(&ctx1);
ASSERT_EQ(0, ctx1.wait());
C_SaferCond ctx2;
bufferlist bl;
mock_http_stream.read({{0, 128}, {256, 64}}, &bl, &ctx2);
ASSERT_EQ(192, ctx2.wait());
ASSERT_EQ(expect_bl, bl);
C_SaferCond ctx3;
mock_http_stream.close(&ctx3);
ASSERT_EQ(0, ctx3.wait());
}
} // namespace migration
} // namespace librbd
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