131 lines
4 KiB
C++
131 lines
4 KiB
C++
#include <gtest/gtest.h>
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#include <string>
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#include <string_view>
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#include <optional>
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#include <unistd.h>
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#include <boost/algorithm/string/replace.hpp>
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#include "test-session.hh"
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#include "util.hh"
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#include "tests/characterization.hh"
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#include "tests/cli-literate-parser.hh"
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#include "tests/terminal-code-eater.hh"
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using namespace std::string_literals;
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namespace nix {
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static constexpr const std::string_view REPL_PROMPT = "nix-repl> ";
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// ASCII ENQ character
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static constexpr const std::string_view AUTOMATION_PROMPT = "\x05";
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static std::string_view trimOutLog(std::string_view outLog)
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{
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const std::string trailer = "\n"s + AUTOMATION_PROMPT;
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if (outLog.ends_with(trailer)) {
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outLog.remove_suffix(trailer.length());
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}
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return outLog;
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}
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class ReplSessionTest : public CharacterizationTest
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{
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Path unitTestData = getUnitTestData();
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public:
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Path goldenMaster(std::string_view testStem) const override
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{
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return unitTestData + "/" + testStem;
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}
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void runReplTest(std::string_view const & content, std::vector<std::string> extraArgs = {}) const
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{
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auto syntax = CLILiterateParser::parse(std::string(REPL_PROMPT), content);
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// FIXME: why does this need two --quiets
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// show-trace is on by default due to test configuration, but is not a standard
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Strings args{"--quiet", "repl", "--quiet", "--option", "show-trace", "false", "--offline", "--extra-experimental-features", "repl-automation"};
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args.insert(args.end(), extraArgs.begin(), extraArgs.end());
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auto nixBin = canonPath(getEnvNonEmpty("NIX_BIN_DIR").value_or(NIX_BIN_DIR));
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auto process = RunningProcess::start(nixBin + "/nix", args);
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auto session = TestSession{std::string(AUTOMATION_PROMPT), std::move(process)};
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for (auto & bit : syntax) {
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if (bit.kind != CLILiterateParser::NodeKind::COMMAND) {
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continue;
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}
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if (!session.waitForPrompt()) {
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ASSERT_TRUE(false);
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}
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session.runCommand(bit.text);
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}
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if (!session.waitForPrompt()) {
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ASSERT_TRUE(false);
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}
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session.close();
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auto replacedOutLog = boost::algorithm::replace_all_copy(session.outLog, unitTestData, "TEST_DATA");
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auto cleanedOutLog = trimOutLog(replacedOutLog);
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auto parsedOutLog = CLILiterateParser::parse(std::string(AUTOMATION_PROMPT), cleanedOutLog, 0);
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parsedOutLog = CLILiterateParser::tidyOutputForComparison(std::move(parsedOutLog));
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syntax = CLILiterateParser::tidyOutputForComparison(std::move(syntax));
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ASSERT_EQ(parsedOutLog, syntax);
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}
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};
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TEST_F(ReplSessionTest, parses)
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{
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writeTest("basic.ast", [this]() {
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const std::string content = readFile(goldenMaster("basic.test"));
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auto parser = CLILiterateParser{std::string(REPL_PROMPT)};
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parser.feed(content);
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std::ostringstream out{};
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for (auto & bit : parser.syntax()) {
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out << bit.print() << "\n";
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}
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return out.str();
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});
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writeTest("basic_tidied.ast", [this]() {
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const std::string content = readFile(goldenMaster("basic.test"));
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auto syntax = CLILiterateParser::parse(std::string(REPL_PROMPT), content);
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syntax = CLILiterateParser::tidyOutputForComparison(std::move(syntax));
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std::ostringstream out{};
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for (auto & bit : syntax) {
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out << bit.print() << "\n";
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}
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return out.str();
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});
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}
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TEST_F(ReplSessionTest, repl_basic)
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{
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readTest("basic_repl.test", [this](std::string input) { runReplTest(input); });
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}
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#define DEBUGGER_TEST(name) \
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TEST_F(ReplSessionTest, name) \
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{ \
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readTest(#name ".test", [this](std::string input) { \
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runReplTest(input, {"--debugger", "-f", goldenMaster(#name ".nix")}); \
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}); \
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}
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DEBUGGER_TEST(regression_9918);
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DEBUGGER_TEST(regression_9917);
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DEBUGGER_TEST(regression_l145);
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DEBUGGER_TEST(stack_vars);
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DEBUGGER_TEST(no_nested_debuggers);
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};
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