This commit is contained in:
Simon Brunel
2017-09-16 17:56:01 +02:00
parent d279fb4391
commit 50216b65da
27 changed files with 953 additions and 7 deletions

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TEMPLATE = subdirs
SUBDIRS += qtpromise
SUBDIRS += \
qtpromise \
qtqmlpromise

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TARGET = tst_qtqmlpromise_extension
SOURCES += $$PWD/tst_extension.cpp
OTHER_FILES += $$PWD/*.qml
include(../qtqmlpromise.pri)

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#include <QtQuickTest/quicktest.h>
static void initialize()
{
qputenv("QML2_IMPORT_PATH", QTPROMISE_IMPORTPATH);
}
Q_COREAPP_STARTUP_FUNCTION(initialize)
QUICK_TEST_MAIN(extension)

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import QtQuick 2.3
import QtPromise 1.0
import QtTest 1.0
TestCase {
name: "Extension"
function test_global() {
compare(typeof __qtpromise_private__, 'undefined');
compare(typeof Promise, 'function');
compare(typeof Promise.resolve, 'function');
compare(typeof Promise.reject, 'function');
}
function test_instance() {
var p = new Promise(function() {});
compare(Object.prototype.toString(p), '[object Object]');
compare(p instanceof Promise, true);
compare(typeof p, 'object');
}
function test_prototype() {
var p = new Promise(function() {});
[
'delay',
'fail',
'finally',
'isFulfilled',
'isRejected',
'isPending',
'tap',
'then',
'wait',
].forEach(function(name) {
compare(typeof p[name], 'function');
});
}
}

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TEMPLATE = app
CONFIG += qmltestcase
CONFIG += qtpromise-qml
DEFINES += QT_DEPRECATED_WARNINGS
QTPROMISE_IMPORTPATH = $$shadowed($$PWD/../../../qml)
DEFINES += QTPROMISE_IMPORTPATH=\"\\\"$$QTPROMISE_IMPORTPATH\\\"\"
include(../../../qtpromise.pri)

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TEMPLATE = subdirs
SUBDIRS += \
extension \
requirements

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TARGET = tst_qtqmlpromise_requirements
SOURCES += $$PWD/tst_requirements.cpp
OTHER_FILES += $$PWD/*.qml
include(../qtqmlpromise.pri)

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#include <QtQuickTest/quicktest.h>
static void initialize()
{
qputenv("QML2_IMPORT_PATH", QTPROMISE_IMPORTPATH);
}
Q_COREAPP_STARTUP_FUNCTION(initialize)
QUICK_TEST_MAIN(requirements)

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import QtQuick 2.3
import QtPromise 1.0
import QtTest 1.0
// https://promisesaplus.com/#requirements
TestCase {
name: "Requirements"
// 2.1. Promise States
// 2.1.1 When pending, a promise:
function test_pendingFulfilled() {
// 2.1.1.1. may transition to either the fulfilled state
var p = new Promise(function(resolve) {
Qt.callLater(function() {
resolve(42);
});
});
compare(p.isPending(), true);
compare(p.isFulfilled(), false);
compare(p.isRejected(), false);
p.wait();
compare(p.isPending(), false);
compare(p.isFulfilled(), true);
compare(p.isRejected(), false);
}
// 2.1.1 When pending, a promise:
function test_pendingRejected() {
// 2.1.1.1. ... or the rejected state
var p = new Promise(function(resolve, reject) {
Qt.callLater(function() {
reject(new Error(42));
});
});
compare(p.isPending(), true);
compare(p.isFulfilled(), false);
compare(p.isRejected(), false);
p.wait();
compare(p.isPending(), false);
compare(p.isFulfilled(), false);
compare(p.isRejected(), true);
}
// 2.1.2. When fulfilled, a promise:
function test_fulfilled() {
var p = new Promise(function(resolve, reject) {
Qt.callLater(function() {
// 2.1.2.2. must have a value, which must not change.
resolve(42);
resolve(43);
// 2.1.2.1. must not transition to any other state.
reject(new Error("foo"));
});
});
compare(p.isPending(), true);
var value = -1;
var error = null;
p.then(function(res) {
value = res;
}, function(err) {
error = err;
}).wait();
compare(p.isFulfilled(), true);
compare(p.isRejected(), false);
compare(error, null);
compare(value, 42);
}
// 2.1.3 When rejected, a promise:
function test_rejected() {
var p = new Promise(function(resolve, reject) {
Qt.callLater(function() {
// 2.1.3.2. must have a reason, which must not change.
reject(new Error("foo"));
reject(new Error("bar"));
// 2.1.3.1. must not transition to any other state.
resolve(42);
});
});
compare(p.isPending(), true);
var value = -1;
var error = null;
p.then(function(res) {
value = res;
}, function(err) {
error = err;
}).wait();
compare(p.isFulfilled(), false);
compare(p.isRejected(), true);
compare(error instanceof Error, true);
compare(error.message, 'foo');
compare(value, -1);
}
// 2.2. The then Method
// 2.2.1. Both onFulfilled and onRejected are given (resolve)
function test_thenArgsBothResolve() {
var error = null;
var value = -1;
Promise.resolve(42).then(
function(res) { value = res; },
function(err) { error = err; }
).wait();
compare(error, null);
compare(value, 42);
}
// 2.2.1. Both onFulfilled and onRejected are given (reject)
function test_thenArgsBothReject() {
var error = null;
var value = -1;
Promise.reject(new Error('foo')).then(
function(res) { value = res; },
function(err) { error = err; }
).wait();
compare(error instanceof Error, true);
compare(error.message, 'foo');
compare(value, -1);
}
// 2.2.1. onFulfilled is an optional arguments:
function test_thenArgsSecond() {
var error = null;
Promise.reject(new Error('foo')).then(
null,
function(err) { error = err; }
).wait();
compare(error instanceof Error, true);
compare(error.message, 'foo');
}
// 2.2.1. onRejected is an optional arguments:
function test_thenArgsFirst() {
var value = -1;
Promise.resolve(42).then(
function(res) { value = res; }
).wait();
compare(value, 42);
}
// 2.2.1.1. If onFulfilled is not a function, it must be ignored.
function test_thenArgsFirstInvalid() {
var value = -1;
Promise.resolve(42).then('invalid').then(
function(res) { value = res; }
).wait();
compare(value, 42);
}
// 2.2.1.2. If onRejected is not a function, it must be ignored.
function test_thenArgsSecondInvalid() {
var error = -1;
Promise.reject(new Error('foo')).then(
null,
'invalid'
).then(
null,
function(err) { error = err; }
).wait();
compare(error instanceof Error, true);
compare(error.message, 'foo');
}
// 2.2.2. If onFulfilled is a function:
function test_thenOnFulfilled() {
var p0 = new Promise(function(resolve) {
Qt.callLater(function() {
// 2.2.2.3. it must not be called more than once
resolve(42);
resolve(43);
});
});
var values = [];
var p1 = p0.then(function(res) {
values.push(res);
});
// 2.2.2.2. it must not be called before promise is fulfilled.
compare(p0.isPending(), true);
compare(p1.isPending(), true);
compare(values.length, 0);
p1.wait();
// 2.2.2.1. it must be called after promise is fulfilled,
// with promises value as its first argument.
compare(p0.isFulfilled(), true);
compare(p1.isFulfilled(), true);
compare(values, [42]);
}
// 2.2.3. If onRejected is a function:
function test_thenOnRejected() {
var p0 = new Promise(function(resolve, reject) {
Qt.callLater(function() {
// 2.2.2.3. it must not be called more than once
reject(new Error('foo'));
reject(new Error('bar'));
});
});
var errors = [];
var p1 = p0.then(null, function(res) {
errors.push(res);
});
// 2.2.3.2. it must not be called before promise is rejected.
compare(p0.isPending(), true);
compare(p1.isPending(), true);
compare(errors.length, 0);
p1.wait();
// 2.2.3.1. it must be called after promise is rejected,
// with promises reason as its first argument.
compare(p0.isRejected(), true);
compare(p1.isFulfilled(), true);
compare(errors.length, 1);
compare(errors[0] instanceof Error, true);
compare(errors[0].message, 'foo');
}
// 2.2.4. onFulfilled or onRejected must not be called until the execution context
// stack contains only platform code (ie. executed asynchronously, after the event
// loop turn in which then is called, and with a fresh stack).
function test_thenAsynchronous()
{
var value = -1;
var p0 = Promise.resolve(42);
var p1 = p0.then(function(res){ value = res; });
compare(p0.isFulfilled(), true);
compare(p1.isPending(), true);
compare(value, -1);
p1.wait();
compare(p1.isFulfilled(), true);
compare(value, 42);
}
// 2.2.5 onFulfilled and onRejected must be called as functions (i.e. with no this value).
function test_thenThisArg() {
var scopes = [];
Promise.resolve(42).then(function() { scopes.push(this); }).wait();
Promise.reject(new Error('foo')).then(null, function() { scopes.push(this); }).wait();
// Qt doesn't allow to call JS function with undefined "this"
// Let's adopt the sloppy mode (this === the global object).
var global = (function() { return this; })();
compare(scopes, [global, global]);
}
// 2.2.6. then may be called multiple times on the same promise:
// 2.2.6.1. If/when promise is fulfilled, all respective onFulfilled callbacks
// must execute in the order of their originating calls to then:
function test_thenMultipleCalls() {
var values = [];
var p = new Promise(function(resolve) {
Qt.callLater(function() {
resolve(42);
});
});
Promise.all([
p.then(function(res) { return res + 1; }),
p.then(function(res) { return res + 2; }),
p.then(function(res) { return res + 3; })
]).then(function(res) {
values = res;
}).wait();
compare(values, [43, 44, 45]);
}
}
/*
void tst_requirements::thenMultipleCalls()
{
// 2.2.6.2. If/when promise is rejected, all respective onRejected callbacks
// must execute in the order of their originating calls to then:
{
QVector<int> values;
QPromise<int> p([](const QPromiseResolve<int>&, const QPromiseReject<int>& reject) {
qtpromise_defer([=]() {
reject(8);
});
});
qPromiseAll(QVector<QPromise<int> >{
p.then(nullptr, [&](int r) { values << r + 1; return r + 1; }),
p.then(nullptr, [&](int r) { values << r + 2; return r + 2; }),
p.then(nullptr, [&](int r) { values << r + 3; return r + 3; })
}).wait();
QCOMPARE(values, QVector<int>({9, 10, 11}));
}
}
void tst_requirements::thenHandlers()
{
// 2.2.7. then must return a promise: p2 = p1.then(onFulfilled, onRejected);
{
auto handler = [](){ return 42; };
auto p1 = QPromise<int>::resolve(42);
Q_STATIC_ASSERT((std::is_same<decltype(p1.then(handler, nullptr)), QPromise<int> >::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1.then(nullptr, handler)), QPromise<int> >::value));
Q_STATIC_ASSERT((std::is_same<decltype(p1.then(handler, handler)), QPromise<int> >::value));
}
// 2.2.7.1. If either onFulfilled or onRejected returns a value x, run the
// Promise Resolution Procedure [[Resolve]](p2, x) -> See 2.3.
// 2.2.7.2. If either onFulfilled or onRejected throws an exception e,
// p2 must be rejected with e as the reason.
{
QString reason;
auto p1 = QPromise<int>::resolve(42);
auto p2 = p1.then([](){ throw QString("foo"); });
p2.then(nullptr, [&](const QString& e) { reason = e; }).wait();
QVERIFY(p1.isFulfilled());
QVERIFY(p2.isRejected());
QCOMPARE(reason, QString("foo"));
}
{
QString reason;
auto p1 = QPromise<int>::reject(QString("foo"));
auto p2 = p1.then(nullptr, [](){ throw QString("bar"); return 42; });
p2.then(nullptr, [&](const QString& e) { reason = e; return 0; }).wait();
QVERIFY(p1.isRejected());
QVERIFY(p2.isRejected());
QCOMPARE(reason, QString("bar"));
}
// 2.2.7.3. If onFulfilled is not a function and promise1 is fulfilled,
// p2 must be fulfilled with the same value as promise1
{
QString value;
auto p1 = QPromise<QString>::resolve("42");
auto p2 = p1.then(nullptr, [](){ return QString(); });
Q_STATIC_ASSERT((std::is_same<decltype(p2), QPromise<QString> >::value));
p2.then([&](const QString& e) { value = e; }).wait();
QVERIFY(p1.isFulfilled());
QVERIFY(p2.isFulfilled());
QCOMPARE(value, QString("42"));
}
}
*/