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Merge pull request #4430 from atom/dont-crash-when-missing-ipc-channel

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Don't crash when IPC channel is missing
This commit is contained in:
Kevin Sawicki 2016-02-11 13:28:08 -08:00
commit 174a492cdb
2 changed files with 157 additions and 102 deletions
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7
atom/browser/api/lib/web-contents.js
View file

@ -76,8 +76,11 @@ let wrapWebContents = function(webContents) {
// WebContents::send(channel, args..)
webContents.send = function() {
var args, channel;
channel = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
var args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
var channel = arguments[0];
if (channel == null) {
throw new Error('Missing required channel argument');
}
return this._send(channel, slice.call(args));
};

252
spec/api-browser-window-spec.js
View file

@ -14,29 +14,31 @@ const BrowserWindow = remote.require('electron').BrowserWindow;
const isCI = remote.getGlobal('isCi');
describe('browser-window module', function() {
var fixtures, w;
fixtures = path.resolve(__dirname, 'fixtures');
w = null;
var fixtures = path.resolve(__dirname, 'fixtures');
var w = null;
beforeEach(function() {
if (w != null) {
w.destroy();
}
return w = new BrowserWindow({
w = new BrowserWindow({
show: false,
width: 400,
height: 400
});
});
afterEach(function() {
if (w != null) {
w.destroy();
}
return w = null;
w = null;
});
describe('BrowserWindow.close()', function() {
it('should emit unload handler', function(done) {
w.webContents.on('did-finish-load', function() {
return w.close();
w.close();
});
w.on('closed', function() {
var content, test;
@ -44,20 +46,22 @@ describe('browser-window module', function() {
content = fs.readFileSync(test);
fs.unlinkSync(test);
assert.equal(String(content), 'unload');
return done();
done();
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'unload.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'unload.html'));
});
return it('should emit beforeunload handler', function(done) {
it('should emit beforeunload handler', function(done) {
w.on('onbeforeunload', function() {
return done();
done();
});
w.webContents.on('did-finish-load', function() {
return w.close();
w.close();
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'beforeunload-false.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'beforeunload-false.html'));
});
});
describe('window.close()', function() {
it('should emit unload handler', function(done) {
w.on('closed', function() {
@ -66,104 +70,113 @@ describe('browser-window module', function() {
content = fs.readFileSync(test);
fs.unlinkSync(test);
assert.equal(String(content), 'close');
return done();
done();
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'close.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'close.html'));
});
return it('should emit beforeunload handler', function(done) {
it('should emit beforeunload handler', function(done) {
w.on('onbeforeunload', function() {
return done();
done();
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-false.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-false.html'));
});
});
describe('BrowserWindow.destroy()', function() {
return it('prevents users to access methods of webContents', function() {
it('prevents users to access methods of webContents', function() {
var webContents;
webContents = w.webContents;
w.destroy();
return assert.throws((function() {
return webContents.getId();
assert.throws((function() {
webContents.getId();
}), /Object has been destroyed/);
});
});
describe('BrowserWindow.loadURL(url)', function() {
it('should emit did-start-loading event', function(done) {
w.webContents.on('did-start-loading', function() {
return done();
done();
});
return w.loadURL('about:blank');
w.loadURL('about:blank');
});
return it('should emit did-fail-load event', function(done) {
it('should emit did-fail-load event', function(done) {
w.webContents.on('did-fail-load', function() {
return done();
done();
});
return w.loadURL('file://a.txt');
w.loadURL('file://a.txt');
});
});
describe('BrowserWindow.show()', function() {
return it('should focus on window', function() {
it('should focus on window', function() {
if (isCI) {
return;
}
w.show();
return assert(w.isFocused());
assert(w.isFocused());
});
});
describe('BrowserWindow.showInactive()', function() {
return it('should not focus on window', function() {
it('should not focus on window', function() {
w.showInactive();
return assert(!w.isFocused());
assert(!w.isFocused());
});
});
describe('BrowserWindow.focus()', function() {
return it('does not make the window become visible', function() {
it('does not make the window become visible', function() {
assert.equal(w.isVisible(), false);
w.focus();
return assert.equal(w.isVisible(), false);
assert.equal(w.isVisible(), false);
});
});
describe('BrowserWindow.capturePage(rect, callback)', function() {
return it('calls the callback with a Buffer', function(done) {
return w.capturePage({
it('calls the callback with a Buffer', function(done) {
w.capturePage({
x: 0,
y: 0,
width: 100,
height: 100
}, function(image) {
assert.equal(image.isEmpty(), true);
return done();
done();
});
});
});
describe('BrowserWindow.setSize(width, height)', function() {
return it('sets the window size', function(done) {
var size;
size = [300, 400];
it('sets the window size', function(done) {
var size = [300, 400];
w.once('resize', function() {
var newSize;
newSize = w.getSize();
var newSize = w.getSize();
assert.equal(newSize[0], size[0]);
assert.equal(newSize[1], size[1]);
return done();
done();
});
return w.setSize(size[0], size[1]);
w.setSize(size[0], size[1]);
});
});
describe('BrowserWindow.setPosition(x, y)', function() {
return it('sets the window position', function(done) {
var pos;
pos = [10, 10];
it('sets the window position', function(done) {
var pos = [10, 10];
w.once('move', function() {
var newPos;
newPos = w.getPosition();
assert.equal(newPos[0], pos[0]);
assert.equal(newPos[1], pos[1]);
return done();
done();
});
return w.setPosition(pos[0], pos[1]);
w.setPosition(pos[0], pos[1]);
});
});
describe('BrowserWindow.setContentSize(width, height)', function() {
it('sets the content size', function() {
var after, size;
@ -171,9 +184,10 @@ describe('browser-window module', function() {
w.setContentSize(size[0], size[1]);
after = w.getContentSize();
assert.equal(after[0], size[0]);
return assert.equal(after[1], size[1]);
assert.equal(after[1], size[1]);
});
return it('works for framless window', function() {
it('works for framless window', function() {
var after, size;
w.destroy();
w = new BrowserWindow({
@ -186,14 +200,16 @@ describe('browser-window module', function() {
w.setContentSize(size[0], size[1]);
after = w.getContentSize();
assert.equal(after[0], size[0]);
return assert.equal(after[1], size[1]);
assert.equal(after[1], size[1]);
});
});
describe('BrowserWindow.fromId(id)', function() {
return it('returns the window with id', function() {
return assert.equal(w.id, BrowserWindow.fromId(w.id).id);
it('returns the window with id', function() {
assert.equal(w.id, BrowserWindow.fromId(w.id).id);
});
});
describe('"useContentSize" option', function() {
it('make window created with content size when used', function() {
var contentSize;
@ -206,15 +222,16 @@ describe('browser-window module', function() {
});
contentSize = w.getContentSize();
assert.equal(contentSize[0], 400);
return assert.equal(contentSize[1], 400);
assert.equal(contentSize[1], 400);
});
it('make window created with window size when not used', function() {
var size;
size = w.getSize();
var size = w.getSize();
assert.equal(size[0], 400);
return assert.equal(size[1], 400);
assert.equal(size[1], 400);
});
return it('works for framless window', function() {
it('works for framless window', function() {
var contentSize, size;
w.destroy();
w = new BrowserWindow({
@ -229,9 +246,10 @@ describe('browser-window module', function() {
assert.equal(contentSize[1], 400);
size = w.getSize();
assert.equal(size[0], 400);
return assert.equal(size[1], 400);
assert.equal(size[1], 400);
});
});
describe('"title-bar-style" option', function() {
if (process.platform !== 'darwin') {
return;
@ -239,6 +257,7 @@ describe('browser-window module', function() {
if (parseInt(os.release().split('.')[0]) < 14) {
return;
}
it('creates browser window with hidden title bar', function() {
var contentSize;
w.destroy();
@ -249,9 +268,10 @@ describe('browser-window module', function() {
titleBarStyle: 'hidden'
});
contentSize = w.getContentSize();
return assert.equal(contentSize[1], 400);
assert.equal(contentSize[1], 400);
});
return it('creates browser window with hidden inset title bar', function() {
it('creates browser window with hidden inset title bar', function() {
var contentSize;
w.destroy();
w = new BrowserWindow({
@ -261,30 +281,34 @@ describe('browser-window module', function() {
titleBarStyle: 'hidden-inset'
});
contentSize = w.getContentSize();
return assert.equal(contentSize[1], 400);
assert.equal(contentSize[1], 400);
});
});
describe('"enableLargerThanScreen" option', function() {
if (process.platform === 'linux') {
return;
}
beforeEach(function() {
w.destroy();
return w = new BrowserWindow({
w = new BrowserWindow({
show: true,
width: 400,
height: 400,
enableLargerThanScreen: true
});
});
it('can move the window out of screen', function() {
var after;
w.setPosition(-10, -10);
after = w.getPosition();
assert.equal(after[0], -10);
return assert.equal(after[1], -10);
assert.equal(after[1], -10);
});
return it('can set the window larger than screen', function() {
it('can set the window larger than screen', function() {
var after, size;
size = screen.getPrimaryDisplay().size;
size.width += 100;
@ -292,21 +316,22 @@ describe('browser-window module', function() {
w.setSize(size.width, size.height);
after = w.getSize();
assert.equal(after[0], size.width);
return assert.equal(after[1], size.height);
assert.equal(after[1], size.height);
});
});
describe('"web-preferences" option', function() {
afterEach(function() {
return ipcMain.removeAllListeners('answer');
ipcMain.removeAllListeners('answer');
});
describe('"preload" option', function() {
return it('loads the script before other scripts in window', function(done) {
it('loads the script before other scripts in window', function(done) {
var preload;
preload = path.join(fixtures, 'module', 'set-global.js');
ipcMain.once('answer', function(event, test) {
assert.equal(test, 'preload');
return done();
done();
});
w.destroy();
w = new BrowserWindow({
@ -315,16 +340,17 @@ describe('browser-window module', function() {
preload: preload
}
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'preload.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'preload.html'));
});
});
return describe('"node-integration" option', function() {
return it('disables node integration when specified to false', function(done) {
describe('"node-integration" option', function() {
it('disables node integration when specified to false', function(done) {
var preload;
preload = path.join(fixtures, 'module', 'send-later.js');
ipcMain.once('answer', function(event, test) {
assert.equal(test, 'undefined');
return done();
done();
});
w.destroy();
w = new BrowserWindow({
@ -334,107 +360,121 @@ describe('browser-window module', function() {
nodeIntegration: false
}
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'blank.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'blank.html'));
});
});
});
describe('beforeunload handler', function() {
it('returning true would not prevent close', function(done) {
w.on('closed', function() {
return done();
done();
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-true.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-true.html'));
});
it('returning non-empty string would not prevent close', function(done) {
w.on('closed', function() {
return done();
done();
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-string.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-string.html'));
});
it('returning false would prevent close', function(done) {
w.on('onbeforeunload', function() {
return done();
done();
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-false.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-false.html'));
});
return it('returning empty string would prevent close', function(done) {
it('returning empty string would prevent close', function(done) {
w.on('onbeforeunload', function() {
return done();
done();
});
return w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-empty-string.html'));
w.loadURL('file://' + path.join(fixtures, 'api', 'close-beforeunload-empty-string.html'));
});
});
describe('new-window event', function() {
if (isCI && process.platform === 'darwin') {
return;
}
it('emits when window.open is called', function(done) {
w.webContents.once('new-window', function(e, url, frameName) {
e.preventDefault();
assert.equal(url, 'http://host/');
assert.equal(frameName, 'host');
return done();
done();
});
return w.loadURL("file://" + fixtures + "/pages/window-open.html");
w.loadURL("file://" + fixtures + "/pages/window-open.html");
});
return it('emits when link with target is called', function(done) {
it('emits when link with target is called', function(done) {
this.timeout(10000);
w.webContents.once('new-window', function(e, url, frameName) {
e.preventDefault();
assert.equal(url, 'http://host/');
assert.equal(frameName, 'target');
return done();
done();
});
return w.loadURL("file://" + fixtures + "/pages/target-name.html");
w.loadURL("file://" + fixtures + "/pages/target-name.html");
});
});
describe('maximize event', function() {
if (isCI) {
return;
}
return it('emits when window is maximized', function(done) {
it('emits when window is maximized', function(done) {
this.timeout(10000);
w.once('maximize', function() {
return done();
done();
});
w.show();
return w.maximize();
w.maximize();
});
});
describe('unmaximize event', function() {
if (isCI) {
return;
}
return it('emits when window is unmaximized', function(done) {
it('emits when window is unmaximized', function(done) {
this.timeout(10000);
w.once('unmaximize', function() {
return done();
done();
});
w.show();
w.maximize();
return w.unmaximize();
w.unmaximize();
});
});
describe('minimize event', function() {
if (isCI) {
return;
}
return it('emits when window is minimized', function(done) {
it('emits when window is minimized', function(done) {
this.timeout(10000);
w.once('minimize', function() {
return done();
done();
});
w.show();
return w.minimize();
w.minimize();
});
});
xdescribe('beginFrameSubscription method', function() {
return it('subscribes frame updates', function(done) {
it('subscribes frame updates', function(done) {
w.loadURL("file://" + fixtures + "/api/blank.html");
return w.webContents.beginFrameSubscription(function(data) {
w.webContents.beginFrameSubscription(function(data) {
assert.notEqual(data.length, 0);
w.webContents.endFrameSubscription();
return done();
done();
});
});
});
@ -472,13 +512,13 @@ describe('browser-window module', function() {
});
describe('BrowserWindow options argument is optional', function() {
return it('should create a window with default size (800x600)', function() {
it('should create a window with default size (800x600)', function() {
var size;
w.destroy();
w = new BrowserWindow();
size = w.getSize();
assert.equal(size[0], 800);
return assert.equal(size[1], 600);
assert.equal(size[1], 600);
});
});
@ -618,4 +658,16 @@ describe('browser-window module', function() {
});
});
});
describe('window.webContents.send(channel, args...)', function() {
it('throws an error when the channel is missing', function() {
assert.throws(function() {
w.webContents.send();
}, 'Missing required channel argument');
assert.throws(function() {
w.webContents.send(null);
}, 'Missing required channel argument');
});
});
});