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// SPDX-FileCopyrightText: 2021 Daniel Vrátil <dvratil@kde.org>
//
// SPDX-License-Identifier: MIT
#include "testobject.h"
#include "qcoro/core/qcoroprocess.h"
#include <QProcess>
#ifdef Q_OS_WIN
// There's no equivalent to "true" command on Windows, so do a single ping to localhost instead,
// which terminates almost immediately.
#define DUMMY_EXEC QStringLiteral("ping")
#define DUMMY_ARGS \
{ QStringLiteral("127.0.0.1"), QStringLiteral("-n"), QStringLiteral("1") }
// On windows, the equivalent to Linux "sleep" is "timeout", but it fails due to QProcess redirecting
// stdin, which "timeout" doesn't support (it waits for keypress to interrupt). However, "ping" pings
// every second, so specifying number of pings to the desired timeout makes it behave basically like
// the Linux "sleep".
#define SLEEP_EXEC QStringLiteral("ping")
#define SLEEP_ARGS(timeout) \
{ QStringLiteral("127.0.0.1"), QStringLiteral("-n"), QString::number(timeout) }
#else
#define DUMMY_EXEC QStringLiteral("true")
#define DUMMY_ARGS {}
#define SLEEP_EXEC QStringLiteral("sleep")
#define SLEEP_ARGS(timeout) { QString::number(timeout) }
#endif
class QCoroProcessTest : public QCoro::TestObject<QCoroProcessTest> {
Q_OBJECT
private:
QCoro::Task<> testStartTriggers_coro(QCoro::TestContext context) {
#ifdef Q_OS_WIN
// QProcess::start() on Windows is synchronous, despite what the documentation says,
// so the coroutine will not suspend.
context.setShouldNotSuspend();
#else
Q_UNUSED(context);
#endif
QProcess process;
const bool ok = co_await qCoro(process).start(DUMMY_EXEC, DUMMY_ARGS);
QCORO_VERIFY(ok);
QCORO_COMPARE(process.state(), QProcess::Running);
process.waitForFinished();
}
void testThenStartTriggers_coro(TestLoop &el) {
QProcess process;
bool called = false;
qCoro(process).start(DUMMY_EXEC, DUMMY_ARGS).then([&](bool started) {
called = true;
el.quit();
QVERIFY(started);
QCOMPARE(process.state(), QProcess::Running);
});
el.exec();
QVERIFY(called);
process.waitForFinished();
}
QCoro::Task<> testStartNoArgsTriggers_coro(QCoro::TestContext context) {
#ifdef Q_OS_WIN
context.setShouldNotSuspend();
#else
Q_UNUSED(context);
#endif
QProcess process;
process.setProgram(DUMMY_EXEC);
process.setArguments(DUMMY_ARGS);
const bool ok = co_await qCoro(process).start();
QCORO_VERIFY(ok);
QCORO_COMPARE(process.state(), QProcess::Running);
process.waitForFinished();
}
void testThenStartNoArgsTriggers_coro(TestLoop &el) {
QProcess process;
process.setProgram(DUMMY_EXEC);
process.setArguments(DUMMY_ARGS);
bool called = false;
qCoro(process).start().then([&](bool started) {
called = true;
el.quit();
QVERIFY(started);
QCOMPARE(process.state(), QProcess::Running);
});
el.exec();
QVERIFY(called);
process.waitForFinished();
}
QCoro::Task<> testStartDoesntBlock_coro(QCoro::TestContext) {
QCoro::EventLoopChecker eventLoopResponsive{1, 0ms};
QProcess process;
const bool ok = co_await qCoro(process).start(DUMMY_EXEC, DUMMY_ARGS);
QCORO_VERIFY(ok);
QCORO_VERIFY(eventLoopResponsive);
process.waitForFinished();
}
QCoro::Task<> testStartDoesntCoAwaitRunningProcess_coro(QCoro::TestContext ctx) {
QProcess process;
#if defined(__GNUC__) && !defined(__clang__)
#pragma message "Workaround for GCC ICE!"
// Workaround GCC bug https://bugzilla.redhat.com/1952671
// GCC ICEs at the end of this function due to presence of two co_await statements.
process.start(SLEEP_EXEC, SLEEP_ARGS(1));
process.waitForStarted();
#else
const bool ok = co_await qCoro(process).start(SLEEP_EXEC, SLEEP_ARGS(1));
QCORO_VERIFY(ok);
#endif
QCORO_COMPARE(process.state(), QProcess::Running);
ctx.setShouldNotSuspend();
QTest::ignoreMessage(QtWarningMsg, "QProcess::start: Process is already running");
co_await qCoro(process).start();
process.waitForFinished();
}
QCoro::Task<> testFinishTriggers_coro(QCoro::TestContext) {
QProcess process;
process.start(SLEEP_EXEC, SLEEP_ARGS(1));
process.waitForStarted();
QCORO_COMPARE(process.state(), QProcess::Running);
const auto ok = co_await qCoro(process).waitForFinished();
QCORO_VERIFY(ok);
QCORO_COMPARE(process.state(), QProcess::NotRunning);
}
void testThenFinishTriggers_coro(TestLoop &el) {
QProcess process;
process.start(SLEEP_EXEC, SLEEP_ARGS(1));
process.waitForStarted();
QCOMPARE(process.state(), QProcess::Running);
bool called = false;
qCoro(process).waitForFinished().then([&](bool finished) {
called = true;
el.quit();
QVERIFY(finished);
QCOMPARE(process.state(), QProcess::NotRunning);
QCOMPARE(process.exitStatus(), QProcess::NormalExit);
});
el.exec();
QVERIFY(called);
}
QCoro::Task<> testFinishDoesntCoAwaitFinishedProcess_coro(QCoro::TestContext ctx) {
QProcess process;
process.start(DUMMY_EXEC, QStringList DUMMY_ARGS);
process.waitForFinished();
ctx.setShouldNotSuspend();
const auto ok = co_await qCoro(process).waitForFinished();
QCORO_VERIFY(!ok);
}
QCoro::Task<> testFinishCoAwaitTimeout_coro(QCoro::TestContext) {
QProcess process;
process.start(SLEEP_EXEC, SLEEP_ARGS(2));
process.waitForStarted();
QCORO_COMPARE(process.state(), QProcess::Running);
const auto ok = co_await qCoro(process).waitForFinished(1s);
QCORO_VERIFY(!ok);
QCORO_COMPARE(process.state(), QProcess::Running);
process.waitForFinished();
}
void testThenFinishCoAwaitTimeout_coro(TestLoop &el) {
QProcess process;
process.start(SLEEP_EXEC, SLEEP_ARGS(2));
process.waitForStarted();
QCOMPARE(process.state(), QProcess::Running);
bool called = false;
qCoro(process).waitForFinished(1s).then([&](bool finished) {
called = true;
el.quit();
QVERIFY(!finished);
});
el.exec();
QVERIFY(called);
process.waitForFinished();
}
private Q_SLOTS:
addCoroAndThenTests(StartTriggers)
addCoroAndThenTests(StartNoArgsTriggers)
#ifndef Q_OS_WIN // start always blocks on Windows
addTest(StartDoesntBlock)
#endif
addTest(StartDoesntCoAwaitRunningProcess)
addCoroAndThenTests(FinishTriggers)
addTest(FinishDoesntCoAwaitFinishedProcess)
addCoroAndThenTests(FinishCoAwaitTimeout)
};
QTEST_GUILESS_MAIN(QCoroProcessTest)
#include "qcoroprocess.moc"
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