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Added test cases for Data::LoadFromFile and Data.StoreToFile

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This commit is contained in:
Sebastian Messmer 2014-12-05 15:18:43 +01:00
parent a489914f80
commit 24e2d42380
1 changed files with 80 additions and 9 deletions
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89
src/test/blobstore/ondisk/DataTest.cpp
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@ -1,13 +1,21 @@
#include "gtest/gtest.h"
#include "blobstore/implementations/ondisk/Data.h"
#include "blobstore/implementations/ondisk/FileDoesntExistException.h"
#include "test/testutils/VirtualTestFile.h"
#include "test/testutils/TempFile.h"
#include <fstream>
using ::testing::Test;
using ::testing::WithParamInterface;
using ::testing::Values;
using blobstore::ondisk::Data;
using std::ifstream;
using std::ofstream;
using namespace blobstore::ondisk;
class DataTest: public Test {
public:
@ -25,9 +33,9 @@ public:
std::memcpy(data->data(), fillData.data(), fillData.size());
}
void CheckData(const VirtualTestFile &expectedData, const Data *data) {
ASSERT_EQ(expectedData.size(), data->size());
EXPECT_EQ(0, std::memcmp(expectedData.data(), data->data(), expectedData.size()));
void EXPECT_DATA_CORRECT(const VirtualTestFile &expectedData, const Data &data) {
ASSERT_EQ(expectedData.size(), data.size());
EXPECT_EQ(0, std::memcmp(expectedData.data(), data.data(), expectedData.size()));
}
};
@ -41,11 +49,28 @@ public:
DataTest::FillData(randomData, data);
}
void CheckData(const Data *data) {
DataTest::CheckData(randomData, data);
void StoreData(const bf::path &filepath) {
ofstream file(filepath.c_str(), std::ios::binary | std::ios::trunc);
file.write(randomData.data(), randomData.size());
}
void EXPECT_STORED_FILE_DATA_CORRECT(const bf::path &filepath) {
EXPECT_EQ(randomData.size(), bf::file_size(filepath));
ifstream file(filepath.c_str(), std::ios::binary);
char *read_data = new char[randomData.size()];
file.read(read_data, randomData.size());
EXPECT_EQ(0, std::memcmp(randomData.data(), read_data, randomData.size()));
delete[] read_data;
}
void EXPECT_DATA_CORRECT(const Data &data) {
DataTest::EXPECT_DATA_CORRECT(randomData, data);
}
};
INSTANTIATE_TEST_CASE_P(DataTestWithSizeParam, DataTestWithSizeParam, Values(0, 1, 1024, 4096, 10*1024*1024));
INSTANTIATE_TEST_CASE_P(DataTestWithSizeParam, DataTestWithSizeParam, Values(0, 1, 2, 1024, 4096, 10*1024*1024));
// Working on a large data area without a crash is a good indicator that we
// are actually working on memory that was validly allocated for us.
@ -53,7 +78,7 @@ TEST_P(DataTestWithSizeParam, WriteAndCheck) {
Data data(GetParam());
FillData(&data);
CheckData(&data);
EXPECT_DATA_CORRECT(data);
}
TEST_P(DataTestWithSizeParam, Size) {
@ -61,6 +86,46 @@ TEST_P(DataTestWithSizeParam, Size) {
EXPECT_EQ(GetParam(), data.size());
}
TEST_P(DataTestWithSizeParam, CheckStoredFile) {
Data data(GetParam());
FillData(&data);
TempFile file;
data.StoreToFile(file.path());
EXPECT_STORED_FILE_DATA_CORRECT(file.path());
}
TEST_P(DataTestWithSizeParam, CheckLoadedData) {
TempFile file;
StoreData(file.path());
Data data = Data::LoadFromFile(file.path());
EXPECT_DATA_CORRECT(data);
}
TEST_P(DataTestWithSizeParam, StoreDoesntChangeData) {
Data data(GetParam());
FillData(&data);
TempFile file;
data.StoreToFile(file.path());
EXPECT_DATA_CORRECT(data);
}
TEST_P(DataTestWithSizeParam, StoreAndLoad) {
Data data(GetParam());
FillData(&data);
TempFile file;
data.StoreToFile(file.path());
Data loaded_data = Data::LoadFromFile(file.path());
EXPECT_DATA_CORRECT(loaded_data);
}
TEST_F(DataTest, InitializeWithZeroes) {
Data data(10*1024);
data.FillWithZeroes();
@ -98,4 +163,10 @@ TEST_F(DataTest, InaccessibleAfterDeletion) {
);
}
//TODO Test cases for storing/loading
TEST_F(DataTest, LoadingNonexistingFile) {
TempFile file(false); // Pass false to constructor, so the tempfile is not created
EXPECT_THROW(
Data::LoadFromFile(file.path()),
FileDoesntExistException
);
}