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@kzjeef kzjeef/cpp

Last active Dec 2, 2019
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async call example of gmock & gtest
#include <iostream>
#include <gtest/gtest.h>
#include <gmock/gmock.h>
using ::testing::_;
using ::testing::AtLeast; // #1
using ::testing::Ge;
using ::testing::NotNull;
using ::testing::StrictMock;
using ::testing::StartsWith;
// The fixture for testing class Project1. From google test primer.
class AsyncIOTests : public ::testing::Test {
protected:
// You can remove any or all of the following functions if its body
// is empty.
AsyncIOService *aioService;
AsyncIOTests()
{
// You can do set-up work for each test here.
aioService = AsyncIOService::getInstance();
}
virtual ~AsyncIOTests() {
// You can do clean-up work that doesn't throw exceptions here.
}
// If the constructor and destructor are not enough for setting up
// and cleaning up each test, you can define the following methods:
virtual void SetUp() {
// Code here will be called immediately after the constructor (right
// before each test).
}
virtual void TearDown() {
// Code here will be called immediately after each test (right
// before the destructor).
}
// Objects declared here can be used by all tests in the test case for Project1.
};
class AsyncIOHttpCallback {
public:
virtual void onData(char *data, size_t datalen) {};
virtual void onFinish(double content_length, long header_size, long httpcode, char *redirect_url) {};
virtual void onError(CURLcode curlErrorNo) {};
virtual void onTimeout() {};
virtual ~AsyncIOHttpCallback() {}
};
class MockCallback : public AsyncIOHttpCallback {
public:
MOCK_METHOD1(onError, void(CURLcode errCode));
MOCK_METHOD0(onTimeout, void());
MOCK_METHOD2(onData, void(char *data, size_t datalen));
MOCK_METHOD4(onFinish, void(double content_length, long header_size, long httpcode, char *redirect_url));
};
// Test case must be called the class above
// Also note: use TEST_F instead of TEST to access the test fixture (from google test primer)
TEST_F(AsyncIOTests, DoSampleHTTPFetch) {
shared_ptr<AsyncIOHttpContext> url1(new AsyncIOHttpContext);
shared_ptr<MockCallback> mcallback(new StrictMock<MockCallback>);
shared_ptr<AsyncIORequestPolicy> policy(new AsyncIORequestPolicy);
policy->finishHandler = [&mcallback](double content_length, long header_size, long httpcode, char *redirect_url) {
EXPECT_EQ(httpcode, 200);
mcallback->onFinish(content_length, header_size, httpcode, redirect_url);
};
std::string url = "http://www.baidu.com";
url1->url = url;
policy->errorHandler = [&mcallback] (CURLcode curlError) {
mcallback->onError(curlError);
};
policy->timeoutHandler = [&mcallback]() {
mcallback->onTimeout();
};
aioService->queueHttpRequest(policy);
EXPECT_CALL((*mcallback.get()), onFinish(_,_, _, NULL)).Times(1);
aioService->waitRequestEmpty(5);
}
int main(int argc, char** argv) {
// The following line must be executed to initialize Google Mock
// (and Google Test) before running the tests.
::testing::InitGoogleTest(&argc, argv);
::testing::InitGoogleMock(&argc, argv);
return RUN_ALL_TESTS();
}
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