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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Tests launched by extensions/renderer/api/serial/data_receiver_unittest.cc
var test = require('test').binding;
var unittestBindings = require('test_environment_specific_bindings');
var BUFFER_SIZE = 10;
var FATAL_ERROR = 2;
// Returns a promise to a newly created DataReceiver.
function createReceiver() {
return Promise.all([
requireAsync('data_receiver'),
requireAsync('device/serial/data_receiver_test_factory'),
]).then(function(modules) {
var dataReceiver = modules[0];
var factory = modules[1];
var receiver = factory.create();
return new dataReceiver.DataReceiver(receiver.source, receiver.client,
BUFFER_SIZE, FATAL_ERROR);
});
}
// Returns a promise that will resolve to |receiver| when it has received an
// error from its DataSource.
function waitForReceiveError(receiver) {
return new Promise(function(resolve, reject) {
var onError = receiver.onError;
receiver.onError = function() {
$Function.apply(onError, receiver, arguments);
resolve(receiver);
};
});
}
// Returns a function that receives data from a provided DataReceiver
// |receiver|, checks that it matches the expected data and returns a promise
// that will resolve to |receiver|.
function receiveAndCheckData(expectedData) {
return function(receiver) {
return receiver.receive().then(function(data) {
test.assertEq(expectedData.length, data.byteLength);
for (var i = 0; i < expectedData.length; i++)
test.assertEq(expectedData.charCodeAt(i), new Int8Array(data)[i]);
return receiver;
});
test.assertThrows(
receiver.receive, receiver, [], 'Receive already in progress.');
};
}
// Returns a function that attempts to receive data from a provided DataReceiver
// |receiver|, checks that the correct error is reported and returns a promise
// that will resolve to |receiver|.
function receiveAndCheckError(expectedError) {
return function(receiver) {
return receiver.receive().catch(function(error) {
test.assertEq(expectedError, error.error);
return receiver;
});
test.assertThrows(
receiver.receive, receiver, [], 'Receive already in progress.');
};
}
// Serializes and deserializes the provided DataReceiver |receiver|, returning
// a promise that will resolve to the newly deserialized DataReceiver.
function serializeRoundTrip(receiver) {
return Promise.all([
receiver.serialize(),
requireAsync('data_receiver'),
]).then(function(promises) {
var serialized = promises[0];
var dataReceiverModule = promises[1];
return dataReceiverModule.DataReceiver.deserialize(serialized);
});
}
// Closes and returns the provided DataReceiver |receiver|.
function closeReceiver(receiver) {
receiver.close();
return receiver;
}
unittestBindings.exportTests([
function testReceive() {
createReceiver()
.then(receiveAndCheckData('a'))
.then(closeReceiver)
.then(test.succeed, test.fail);
},
function testReceiveError() {
createReceiver()
.then(receiveAndCheckError(1))
.then(closeReceiver)
.then(test.succeed, test.fail);
},
function testReceiveDataAndError() {
createReceiver()
.then(receiveAndCheckData('a'))
.then(receiveAndCheckError(1))
.then(receiveAndCheckData('b'))
.then(closeReceiver)
.then(test.succeed, test.fail);
},
function testReceiveErrorThenData() {
createReceiver()
.then(receiveAndCheckError(1))
.then(receiveAndCheckData('a'))
.then(closeReceiver)
.then(test.succeed, test.fail);
},
function testReceiveBeforeAndAfterSerialization() {
createReceiver()
.then(receiveAndCheckData('a'))
.then(serializeRoundTrip)
.then(receiveAndCheckData('b'))
.then(closeReceiver)
.then(test.succeed, test.fail);
},
function testReceiveErrorSerialization() {
createReceiver()
.then(waitForReceiveError)
.then(serializeRoundTrip)
.then(receiveAndCheckError(1))
.then(receiveAndCheckError(3))
.then(closeReceiver)
.then(test.succeed, test.fail);
},
function testReceiveDataAndErrorSerialization() {
createReceiver()
.then(waitForReceiveError)
.then(receiveAndCheckData('a'))
.then(serializeRoundTrip)
.then(receiveAndCheckError(1))
.then(receiveAndCheckData('b'))
.then(receiveAndCheckError(3))
.then(closeReceiver)
.then(test.succeed, test.fail);
},
function testSerializeDuringReceive() {
var receiver = createReceiver();
Promise.all([
receiver.then(receiveAndCheckError(FATAL_ERROR)),
receiver
.then(serializeRoundTrip)
.then(receiveAndCheckData('a'))
.then(closeReceiver)
]).then(test.succeed, test.fail);
},
function testSerializeAfterClose() {
function receiveAfterClose(receiver) {
test.assertThrows(
receiver.receive, receiver, [], 'DataReceiver has been closed');
}
createReceiver()
.then(closeReceiver)
.then(serializeRoundTrip)
.then(receiveAfterClose)
.then(test.succeed, test.fail);
},
], test.runTests, exports);
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