horcrux/test/io-test.cpp

#include "gtest/gtest.h"
#include "io.h"
#include "test.h"

TEST(IoTests, FsPlainInput) {
	EXPECT_THROW(horcrux::FsPlainInput input{noexist}, std::invalid_argument);
	EXPECT_THROW(horcrux::FsPlainInput input{folder}, std::invalid_argument);
	EXPECT_THROW(horcrux::FsPlainInput input{empty}, std::invalid_argument);
	EXPECT_NO_THROW(horcrux::FsPlainInput input{text});
	EXPECT_NO_THROW(horcrux::FsPlainInput input{image});
}

TEST(IoTests, FsPlainInputReadText) {
	auto input = horcrux::FsPlainInput{text};
	auto buf = generic_read_file(text);
	EXPECT_EQ(buf, input.read());
}

TEST(IoTests, FsPlainInputReadImg) {
	auto input = horcrux::FsPlainInput{image};
	auto buf = generic_read_file(image);
	EXPECT_EQ(buf, input.read());
}

TEST(IoTests, FsCryptoOutput) {
	EXPECT_THROW(horcrux::FsCryptoOutput output(noexist, 1), std::invalid_argument);
	EXPECT_NO_THROW(horcrux::FsCryptoOutput output(folder, 1));
	EXPECT_THROW(horcrux::FsCryptoOutput output(folder, 0), std::invalid_argument);
	EXPECT_THROW(horcrux::FsCryptoOutput output(empty, 1), std::invalid_argument);
	EXPECT_THROW(horcrux::FsCryptoOutput output(text, 1), std::invalid_argument);
	EXPECT_THROW(horcrux::FsCryptoOutput output(image, 1), std::invalid_argument);
}

TEST(IoTests, FsCryptoOutputWriteImage){
	auto ifstream = std::ifstream{image, std::ios::binary};
	auto buf = generic_read_file(image);

	horcrux::FsCryptoOutput out(folder, 10);
	auto written = out.write(buf);
	EXPECT_EQ(written, buf.size());

	EXPECT_EQ(10, out.created_files.size());
	delete_created_files(out);
}

TEST(IoTests, FsCryptoOutputWriteText){
	auto buf = generic_read_file(text);

	horcrux::FsCryptoOutput out(folder, 2);
	auto written = out.write(buf);
	EXPECT_EQ(written, buf.size());

	EXPECT_EQ(2, out.created_files.size());
	delete_created_files(out);
}

TEST(IoTest, FsCryptoInput){
	EXPECT_THROW(horcrux::FsCryptoInput output({noexist, text, image}), std::invalid_argument);
	EXPECT_THROW(horcrux::FsCryptoInput output({folder, text, image}), std::invalid_argument);
	EXPECT_THROW(horcrux::FsCryptoInput output(std::vector<std::string>{}), std::invalid_argument);
	EXPECT_THROW(horcrux::FsCryptoInput output({empty}), std::invalid_argument);
	EXPECT_THROW(horcrux::FsCryptoInput output({empty, empty}), std::invalid_argument);
	EXPECT_NO_THROW(horcrux::FsCryptoInput output({empty, empty, text}));
	EXPECT_NO_THROW(horcrux::FsCryptoInput output({image, empty, text}));
}

TEST(IoTest, FsCryptoInputImage){
	auto buf = generic_read_file(image);
	//split image using FsCryptoOutput
	auto out = horcrux::FsCryptoOutput(folder, 7);
	auto written = out.write(buf);
	EXPECT_EQ(written, buf.size());

	auto files = get_created_filenames(out);
	auto in = horcrux::FsCryptoInput(files);
	auto read = in.read();
	EXPECT_EQ(read, buf);

	files.push_back(text);
	in = horcrux::FsCryptoInput(files);
	read = in.read();
	EXPECT_NE(read, buf);

	delete_created_files(out);
}

TEST(IoTest, FsPlainOuput){

	EXPECT_NO_THROW(horcrux::FsPlainOutput output{noexist});
	EXPECT_THROW(horcrux::FsPlainOutput output{folder}, std::invalid_argument);
	EXPECT_NO_THROW(horcrux::FsPlainOutput output{empty});
	EXPECT_NO_THROW(horcrux::FsPlainOutput output{text});
	EXPECT_NO_THROW(horcrux::FsPlainOutput output{image});
}

TEST(IoTest, FsPlainOutputWrite){
	auto buf = generic_read_file(image);
	auto out = horcrux::FsPlainOutput(noexist);
	auto written = out.write(buf);
	EXPECT_EQ(written, buf.size());
	auto buf2 = generic_read_file(noexist);
	EXPECT_EQ(buf, buf2);
	std::filesystem::remove(noexist);
}

TEST(IoTest, PlainToPlain){
	auto buf = generic_read_file(image);
	auto in = horcrux::FsPlainInput(image);
	auto out = horcrux::FsPlainOutput(noexist);

	//Execute Plain To Plain
	out.write(in.read());

	//Check outcome
	auto buf2 = generic_read_file(noexist);
	EXPECT_EQ(buf, buf2);
	std::filesystem::remove(noexist);
}
TEST(IoTest, PlainToCrypto){
	auto buf = generic_read_file(image);
	auto in = horcrux::FsPlainInput(image);
	auto out = horcrux::FsCryptoOutput(folder, 5);

	//Execute Plain to Crypto
	out.write(in.read());

	//use FsCryptoInput to re-join the files and check the outcome
	auto files = get_created_filenames(out);
	auto in_test = horcrux::FsCryptoInput(files);
	auto buf2 = in_test.read();
	EXPECT_EQ(buf, buf2);
	delete_created_files(out);
}

TEST(IoTest, CryptoToCrypto){
	auto buf = generic_read_file(image);
	// First use FsCryptoOutput to split the files
	auto out_test = horcrux::FsCryptoOutput(folder, 8);
	out_test.write(buf);

	//use FsCryptoInput to re-join the files
	auto files = get_created_filenames(out_test);
	auto in = horcrux::FsCryptoInput(files);
	auto out = horcrux::FsCryptoOutput(folder, 5, "test");
	//Execute Crypto to Crypto
	out.write(in.read());

	//use FsCryptoInput to re-join the files and check the outcome
	files = get_created_filenames(out);
	auto in_test = horcrux::FsCryptoInput(files);
	auto buf2 = in_test.read();
	EXPECT_EQ(buf, buf2);

	delete_created_files(out_test);
	delete_created_files(out);
}

TEST(IoTest, CryptoToPlain){
	auto buf = generic_read_file(image);
	// First use FsCryptoOutput to split the files
	auto out_test = horcrux::FsCryptoOutput(folder, 8);
	out_test.write(buf);

	//use FsCryptoInput to re-join the files
	auto files = get_created_filenames(out_test);
	auto in = horcrux::FsCryptoInput(files);
	auto out = horcrux::FsPlainOutput(noexist);
	//Execute Crypto to Plain
	out.write(in.read());

	//check the outcome
	auto buf2 = generic_read_file(noexist);
	EXPECT_EQ(buf, buf2);
	delete_created_files(out_test);
	std::filesystem::remove(noexist);
}