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153b7839a7
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: mvadari <8029314+mvadari@users.noreply.github.com> Co-authored-by: Mayukha Vadari <mvadari@ripple.com> Co-authored-by: Mayukha Vadari <mvadari@gmail.com> Co-authored-by: Ayaz Salikhov <mathbunnyru@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: mathbunnyru <12270691+mathbunnyru@users.noreply.github.com>
95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
#include <xrpl/basics/FileUtilities.h>
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#include <xrpl/basics/ByteUtilities.h>
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#include <gtest/gtest.h>
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#include <filesystem>
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#include <fstream>
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#include <iostream>
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#include <stdexcept>
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#include <string>
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#include <system_error>
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namespace xrpl {
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namespace {
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class TempFile
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{
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public:
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explicit TempFile(std::string const& file, std::string const& contents)
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: file_(
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uniqueRandomPath(std::filesystem::temp_directory_path(), "xrpl-file-utilities-") /
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file)
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{
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std::filesystem::create_directory(file_.parent_path());
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std::ofstream output(file_);
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if (!output)
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throw std::runtime_error("Unable to create temporary test file");
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output << contents;
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}
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~TempFile()
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{
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// use non-throwing calls in the destructor
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std::error_code ec;
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auto const dir = file_.parent_path();
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std::filesystem::remove_all(dir, ec);
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if (ec)
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{
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std::cerr << "Unable to remove temporary directory '" << dir.string()
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<< "': " << ec.message() << '\n';
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}
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}
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[[nodiscard]] std::filesystem::path const&
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file() const
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{
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return file_;
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}
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private:
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std::filesystem::path file_;
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};
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} // namespace
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TEST(FileUtilitiesTest, get_file_contents)
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{
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constexpr char const* kExpectedContents = "This file is very short. That's all we need.";
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TempFile const file("test_file", "This is temporary text that should get overwritten");
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std::error_code ec;
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auto const path = file.file();
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writeFileContents(ec, path, kExpectedContents);
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EXPECT_FALSE(ec);
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{
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// Test with no max
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auto const good = getFileContents(ec, path);
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EXPECT_FALSE(ec);
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EXPECT_EQ(good, kExpectedContents);
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}
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{
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// Test with large max
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auto const good = getFileContents(ec, path, kilobytes(1));
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EXPECT_FALSE(ec);
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EXPECT_EQ(good, kExpectedContents);
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}
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{
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// Test with small max
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auto const bad = getFileContents(ec, path, 16);
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EXPECT_TRUE(ec && ec.value() == static_cast<int>(std::errc::file_too_large));
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EXPECT_TRUE(bad.empty());
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}
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}
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} // namespace xrpl
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