mirror of
https://github.com/simonbrunel/qtpromise.git
synced 2024-11-21 18:24:29 +08:00
More QPromise<T/void> unit tests
This commit is contained in:
Simon Brunel
parent
81625e1964
commit
da3ae12c02
@ -12,9 +12,29 @@ class tst_qpromise: public QObject
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Q_OBJECT
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private Q_SLOTS:
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void resolveSync();
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void resolveSync_void();
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void resolveDelayed();
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void rejectSync();
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void rejectDelayed();
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void rejectThrows();
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void thenReturns();
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void thenThrows();
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void thenNullPtr();
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void thenSkipResult();
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void thenDelayedResolved();
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void thenDelayedRejected();
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void failSameType();
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void failBaseClass();
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void failCatchAll();
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void finallyReturns();
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void finallyReturns_void();
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void finallyThrows();
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void finallyDelayedFulfilled();
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void finallyThrows_void();
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void finallyDelayedResolved();
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void finallyDelayedRejected();
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}; // class tst_qpromise
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@ -22,39 +42,371 @@ private Q_SLOTS:
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QTEST_MAIN(tst_qpromise)
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#include "tst_qpromise.moc"
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template <typename T>
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T waitForValue(const QPromise<T>& promise, const T& initial)
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{
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T value(initial);
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promise.then([&](const T& res) {
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value = res;
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}).wait();
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return value;
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}
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template <typename T>
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T waitForValue(const QPromise<void>& promise, const T& initial, const T& expected)
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{
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T value(initial);
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promise.then([&]() {
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value = expected;
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}).wait();
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return value;
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}
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template <typename T, typename E>
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E waitForError(const QPromise<T>& promise, const E& initial)
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{
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E error(initial);
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promise.fail([&](const E& err) {
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error = err;
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return T();
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}).wait();
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return error;
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}
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template <typename E>
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E waitForError(const QPromise<void>& promise, const E& initial)
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{
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E error(initial);
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promise.fail([&](const E& err) {
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error = err;
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}).wait();
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return error;
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}
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void tst_qpromise::resolveSync()
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{
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{ // resolver(resolve)
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QPromise<int> p([](const QPromiseResolve<int>& resolve) {
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resolve(42);
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});
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QCOMPARE(p.isFulfilled(), true);
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QCOMPARE(waitForError(p, QString()), QString());
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QCOMPARE(waitForValue(p, -1), 42);
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}
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{ // resolver(resolve, reject)
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QPromise<int> p([](const QPromiseResolve<int>& resolve, const QPromiseReject<int>&) {
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resolve(42);
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});
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QCOMPARE(p.isFulfilled(), true);
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QCOMPARE(waitForError(p, QString()), QString());
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QCOMPARE(waitForValue(p, -1), 42);
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}
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}
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void tst_qpromise::resolveSync_void()
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{
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{ // resolver(resolve)
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QPromise<void> p([](const QPromiseResolve<void>& resolve) {
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resolve();
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});
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QCOMPARE(p.isFulfilled(), true);
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QCOMPARE(waitForError(p, QString()), QString());
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QCOMPARE(waitForValue(p, -1, 42), 42);
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}
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{ // resolver(resolve, reject)
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QPromise<void> p([](const QPromiseResolve<void>& resolve, const QPromiseReject<void>&) {
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resolve();
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});
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QCOMPARE(p.isFulfilled(), true);
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QCOMPARE(waitForError(p, QString()), QString());
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QCOMPARE(waitForValue(p, -1, 42), 42);
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}
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}
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void tst_qpromise::resolveDelayed()
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{
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{ // resolver(resolve)
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QPromise<int> p([](const QPromiseResolve<int>& resolve) {
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QtPromisePrivate::qtpromise_defer([=]() {
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resolve(42);
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});
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});
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QCOMPARE(p.isPending(), true);
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QCOMPARE(waitForError(p, QString()), QString());
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QCOMPARE(waitForValue(p, -1), 42);
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QCOMPARE(p.isFulfilled(), true);
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}
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{ // resolver(resolve, reject)
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QPromise<int> p([](const QPromiseResolve<int>& resolve, const QPromiseReject<int>&) {
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QtPromisePrivate::qtpromise_defer([=]() {
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resolve(42);
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});
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});
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QCOMPARE(p.isPending(), true);
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QCOMPARE(waitForError(p, QString()), QString());
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QCOMPARE(waitForValue(p, -1), 42);
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QCOMPARE(p.isFulfilled(), true);
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}
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}
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void tst_qpromise::rejectSync()
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{
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QPromise<int> p([](const QPromiseResolve<int>&, const QPromiseReject<int>& reject) {
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reject(QString("foo"));
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});
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QCOMPARE(p.isRejected(), true);
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QCOMPARE(waitForValue(p, -1), -1);
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QCOMPARE(waitForError(p, QString()), QString("foo"));
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}
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void tst_qpromise::rejectDelayed()
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{
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QPromise<int> p([](const QPromiseResolve<int>&, const QPromiseReject<int>& reject) {
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QtPromisePrivate::qtpromise_defer([=]() {
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reject(QString("foo"));
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});
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});
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QCOMPARE(p.isPending(), true);
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QCOMPARE(waitForValue(p, -1), -1);
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QCOMPARE(waitForError(p, QString()), QString("foo"));
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QCOMPARE(p.isRejected(), true);
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}
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void tst_qpromise::rejectThrows()
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{
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{ // resolver(resolve)
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QPromise<int> p([](const QPromiseResolve<int>&) {
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throw QString("foo");
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});
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QCOMPARE(p.isRejected(), true);
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QCOMPARE(waitForValue(p, -1), -1);
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QCOMPARE(waitForError(p, QString()), QString("foo"));
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}
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{ // resolver(resolve, reject)
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QPromise<int> p([](const QPromiseResolve<int>&, const QPromiseReject<int>&) {
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throw QString("foo");
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});
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QCOMPARE(p.isRejected(), true);
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QCOMPARE(waitForValue(p, -1), -1);
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QCOMPARE(waitForError(p, QString()), QString("foo"));
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}
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}
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void tst_qpromise::thenReturns()
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{
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auto p = QPromise<int>::resolve(42);
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QVariantList values;
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p.then([&](int res) {
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values << res;
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return QString::number(res+1);
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}).then([&](const QString& res) {
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values << res;
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}).then([&]() {
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values << 44;
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}).wait();
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QCOMPARE(values, QVariantList({42, QString("43"), 44}));
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}
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void tst_qpromise::thenThrows()
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{
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auto input = QPromise<int>::resolve(42);
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auto output = input.then([](int res) {
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throw QString("foo%1").arg(res);
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return 42;
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});
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QString error;
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output.then([&](int res) {
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error += "bar" + QString::number(res);
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}).fail([&](const QString& err) {
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error += err;
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}).wait();
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QCOMPARE(input.isFulfilled(), true);
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QCOMPARE(output.isRejected(), true);
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QCOMPARE(error, QString("foo42"));
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}
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void tst_qpromise::thenNullPtr()
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{
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{ // resolved
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auto p = QPromise<int>::resolve(42).then(nullptr);
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QCOMPARE(waitForValue(p, -1), 42);
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QCOMPARE(p.isFulfilled(), true);
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}
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{ // rejected
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auto p = QPromise<int>::reject(QString("foo")).then(nullptr);
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QCOMPARE(waitForError(p, QString()), QString("foo"));
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QCOMPARE(p.isRejected(), true);
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}
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}
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void tst_qpromise::thenSkipResult()
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{
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auto p = QPromise<int>::resolve(42);
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int value = -1;
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p.then([&]() {
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value = 43;
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}).wait();
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<int> >::value));
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QCOMPARE(value, 43);
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}
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void tst_qpromise::thenDelayedResolved()
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{
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auto p = QPromise<int>::resolve(42).then([](int res) {
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return QPromise<QString>([=](const QPromiseResolve<QString>& resolve) {
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QtPromisePrivate::qtpromise_defer([=]() {
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resolve(QString("foo%1").arg(res));
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});
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});
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});
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<QString> >::value));
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QCOMPARE(waitForValue(p, QString()), QString("foo42"));
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}
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void tst_qpromise::thenDelayedRejected()
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{
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auto p = QPromise<int>::resolve(42).then([](int res) {
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return QPromise<void>([=](const QPromiseResolve<void>&, const QPromiseReject<void>& reject) {
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QtPromisePrivate::qtpromise_defer([=]() {
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reject(QString("foo%1").arg(res));
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});
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});
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});
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<void> >::value));
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QCOMPARE(waitForError(p, QString()), QString("foo42"));
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}
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void tst_qpromise::failSameType()
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{
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// http://en.cppreference.com/w/cpp/error/exception
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auto p = QPromise<int>::reject(std::out_of_range("foo"));
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QString error;
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p.fail([&](const std::domain_error& e) {
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error += QString(e.what()) + "0";
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return -1;
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}).fail([&](const std::out_of_range& e) {
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error += QString(e.what()) + "1";
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return -1;
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}).fail([&](const std::exception& e) {
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error += QString(e.what()) + "2";
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return -1;
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}).wait();
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QCOMPARE(error, QString("foo1"));
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}
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void tst_qpromise::failBaseClass()
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{
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// http://en.cppreference.com/w/cpp/error/exception
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auto p = QPromise<int>::reject(std::out_of_range("foo"));
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QString error;
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p.fail([&](const std::runtime_error& e) {
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error += QString(e.what()) + "0";
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return -1;
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}).fail([&](const std::logic_error& e) {
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error += QString(e.what()) + "1";
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return -1;
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}).fail([&](const std::exception& e) {
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error += QString(e.what()) + "2";
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return -1;
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}).wait();
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QCOMPARE(error, QString("foo1"));
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}
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void tst_qpromise::failCatchAll()
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{
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auto p = QPromise<int>::reject(std::out_of_range("foo"));
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QString error;
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p.fail([&](const std::runtime_error& e) {
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error += QString(e.what()) + "0";
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return -1;
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}).fail([&]() {
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error += "bar";
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return -1;
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}).fail([&](const std::exception& e) {
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error += QString(e.what()) + "2";
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return -1;
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}).wait();
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QCOMPARE(error, QString("bar"));
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}
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void tst_qpromise::finallyReturns()
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{
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{ // fulfilled
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QVector<int> values;
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auto next = QPromise<int>::resolve(42).finally([&]() {
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values << 8;
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return 16; // ignored!
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});
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next.then([&](int r) {
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values << r;
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}).wait();
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QVERIFY(next.isFulfilled());
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QCOMPARE(values, QVector<int>({8, 42}));
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}
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{ // rejected
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QString error;
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int value = -1;
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auto next = QPromise<int>([](const QPromiseResolve<int>) {
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throw QString("foo");
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}).finally([&]() {
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auto p = QPromise<int>::resolve(42).finally([&]() {
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value = 8;
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return 16; // ignored!
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});
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next.fail([&](const QString& err) {
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error = err;
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return 42;
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}).wait();
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<int> >::value));
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QCOMPARE(waitForValue(p, -1), 42);
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QCOMPARE(p.isFulfilled(), true);
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QCOMPARE(value, 8);
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}
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{ // rejected
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int value = -1;
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auto p = QPromise<int>::reject(QString("foo")).finally([&]() {
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value = 8;
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return 16; // ignored!
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});
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QVERIFY(next.isRejected());
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QCOMPARE(error, QString("foo"));
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<int> >::value));
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QCOMPARE(waitForError(p, QString()), QString("foo"));
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QCOMPARE(p.isRejected(), true);
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QCOMPARE(value, 8);
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}
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}
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void tst_qpromise::finallyReturns_void()
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{
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{ // fulfilled
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int value = -1;
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auto p = QPromise<void>::resolve().finally([&]() {
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value = 8;
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return 16; // ignored!
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});
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<void> >::value));
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QCOMPARE(waitForValue(p, -1, 42), 42);
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QCOMPARE(p.isFulfilled(), true);
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QCOMPARE(value, 8);
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}
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{ // rejected
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int value = -1;
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auto p = QPromise<void>::reject(QString("foo")).finally([&]() {
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value = 8;
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return 16; // ignored!
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});
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<void> >::value));
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QCOMPARE(waitForError(p, QString()), QString("foo"));
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QCOMPARE(p.isRejected(), true);
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QCOMPARE(value, 8);
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}
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}
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@ -62,40 +414,52 @@ void tst_qpromise::finallyReturns()
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void tst_qpromise::finallyThrows()
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{
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{ // fulfilled
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QString error;
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auto next = QPromise<int>::resolve(42).finally([&]() {
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auto p = QPromise<int>::resolve(42).finally([&]() {
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throw QString("bar");
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});
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next.fail([&](const QString& err) {
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error = err;
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return 0;
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}).wait();
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QVERIFY(next.isRejected());
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QCOMPARE(error, QString("bar"));
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<int> >::value));
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QCOMPARE(waitForError(p, QString()), QString("bar"));
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QCOMPARE(p.isRejected(), true);
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}
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{ // rejected
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QString error;
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auto next = QPromise<int>::reject(QString("foo")).finally([&]() {
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auto p = QPromise<int>::reject(QString("foo")).finally([&]() {
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throw QString("bar");
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});
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next.fail([&](const QString& err) {
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error = err;
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return 0;
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}).wait();
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QVERIFY(next.isRejected());
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QCOMPARE(error, QString("bar"));
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<int> >::value));
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QCOMPARE(waitForError(p, QString()), QString("bar"));
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QCOMPARE(p.isRejected(), true);
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}
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}
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void tst_qpromise::finallyDelayedFulfilled()
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void tst_qpromise::finallyThrows_void()
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{
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{ // fulfilled
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auto p = QPromise<void>::resolve().finally([&]() {
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throw QString("bar");
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});
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<void> >::value));
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QCOMPARE(waitForError(p, QString()), QString("bar"));
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QCOMPARE(p.isRejected(), true);
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}
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{ // rejected
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auto p = QPromise<void>::reject(QString("foo")).finally([&]() {
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throw QString("bar");
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});
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<void> >::value));
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QCOMPARE(waitForError(p, QString()), QString("bar"));
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QCOMPARE(p.isRejected(), true);
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}
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}
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void tst_qpromise::finallyDelayedResolved()
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{
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{ // fulfilled
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QVector<int> values;
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auto next = QPromise<int>::resolve(42).finally([&]() {
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auto p = QPromise<int>::resolve(42).finally([&]() {
|
||||
QPromise<int> p([&](const QPromiseResolve<int>& resolve) {
|
||||
qtpromise_defer([=, &values]() {
|
||||
values << 64;
|
||||
@ -107,17 +471,13 @@ void tst_qpromise::finallyDelayedFulfilled()
|
||||
return p;
|
||||
});
|
||||
|
||||
next.then([&](int r) {
|
||||
values << r;
|
||||
}).wait();
|
||||
|
||||
QVERIFY(next.isFulfilled());
|
||||
QCOMPARE(values, QVector<int>({8, 64, 42}));
|
||||
QCOMPARE(waitForValue(p, -1), 42);
|
||||
QCOMPARE(p.isFulfilled(), true);
|
||||
QCOMPARE(values, QVector<int>({8, 64}));
|
||||
}
|
||||
{ // rejected
|
||||
QString error;
|
||||
QVector<int> values;
|
||||
auto next = QPromise<int>::reject(QString("foo")).finally([&]() {
|
||||
auto p = QPromise<int>::reject(QString("foo")).finally([&]() {
|
||||
QPromise<int> p([&](const QPromiseResolve<int>& resolve) {
|
||||
qtpromise_defer([=, &values]() {
|
||||
values << 64;
|
||||
@ -129,14 +489,12 @@ void tst_qpromise::finallyDelayedFulfilled()
|
||||
return p;
|
||||
});
|
||||
|
||||
next.then([&](int r) {
|
||||
p.then([&](int r) {
|
||||
values << r;
|
||||
}, [&](const QString& err) {
|
||||
error = err;
|
||||
}).wait();
|
||||
|
||||
QVERIFY(next.isRejected());
|
||||
QCOMPARE(error, QString("foo"));
|
||||
QCOMPARE(waitForError(p, QString()), QString("foo"));
|
||||
QCOMPARE(p.isRejected(), true);
|
||||
QCOMPARE(values, QVector<int>({8, 64}));
|
||||
}
|
||||
}
|
||||
@ -144,8 +502,7 @@ void tst_qpromise::finallyDelayedFulfilled()
|
||||
void tst_qpromise::finallyDelayedRejected()
|
||||
{
|
||||
{ // fulfilled
|
||||
QString error;
|
||||
auto next = QPromise<int>::resolve(42).finally([]() {
|
||||
auto p = QPromise<int>::resolve(42).finally([]() {
|
||||
return QPromise<int>([](const QPromiseResolve<int>&, const QPromiseReject<int>& reject) {
|
||||
qtpromise_defer([=]() {
|
||||
reject(QString("bar"));
|
||||
@ -153,17 +510,11 @@ void tst_qpromise::finallyDelayedRejected()
|
||||
});
|
||||
});
|
||||
|
||||
next.fail([&](const QString& err) {
|
||||
error = err;
|
||||
return 0;
|
||||
}).wait();
|
||||
|
||||
QVERIFY(next.isRejected());
|
||||
QCOMPARE(error, QString("bar"));
|
||||
QCOMPARE(waitForError(p, QString()), QString("bar"));
|
||||
QCOMPARE(p.isRejected(), true);
|
||||
}
|
||||
{ // rejected
|
||||
QString error;
|
||||
auto next = QPromise<int>::reject(QString("foo")).finally([]() {
|
||||
auto p = QPromise<int>::reject(QString("foo")).finally([]() {
|
||||
return QPromise<int>([](const QPromiseResolve<int>&, const QPromiseReject<int>& reject) {
|
||||
qtpromise_defer([=]() {
|
||||
reject(QString("bar"));
|
||||
@ -171,12 +522,7 @@ void tst_qpromise::finallyDelayedRejected()
|
||||
});
|
||||
});
|
||||
|
||||
next.fail([&](const QString& err) {
|
||||
error = err;
|
||||
return 0;
|
||||
}).wait();
|
||||
|
||||
QVERIFY(next.isRejected());
|
||||
QCOMPARE(error, QString("bar"));
|
||||
QCOMPARE(waitForError(p, QString()), QString("bar"));
|
||||
QCOMPARE(p.isRejected(), true);
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user