Support automatic resize [Part 4/4]: unit tests
* Added new tests for the setDesktopSize encoding * Added new tests for the ExtendedDesktopSize encoding
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@ -195,6 +195,48 @@ describe('Remote Frame Buffer Protocol Client', function() {
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describe("#setDesktopSize", function () {
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beforeEach(function() {
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client._sock = new Websock();
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client._sock.open('ws://', 'binary');
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client._sock._websocket._open();
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sinon.spy(client._sock, 'send');
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client._rfb_state = "normal";
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client._view_only = false;
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client._supportsSetDesktopSize = true;
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});
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it('should send the request with the given width and height', function () {
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var expected = [251];
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expected.push8(0); // padding
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expected.push16(1); // width
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expected.push16(2); // height
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expected.push8(1); // number-of-screens
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expected.push8(0); // padding before screen array
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expected.push32(0); // id
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expected.push16(0); // x-position
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expected.push16(0); // y-position
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expected.push16(1); // width
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expected.push16(2); // height
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expected.push32(0); // flags
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client.setDesktopSize(1, 2);
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expect(client._sock).to.have.sent(expected);
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});
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it('should not send the request if the client has not recieved a ExtendedDesktopSize rectangle', function () {
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client._supportsSetDesktopSize = false;
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client.setDesktopSize(1,2);
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expect(client._sock.send).to.not.have.been.called;
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});
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it('should not send the request if we are not in a normal state', function () {
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client._rfb_state = "broken";
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client.setDesktopSize(1,2);
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expect(client._sock.send).to.not.have.been.called;
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});
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});
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describe("XVP operations", function () {
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describe("XVP operations", function () {
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beforeEach(function () {
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beforeEach(function () {
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client._sock = new Websock();
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client._sock = new Websock();
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@ -1443,6 +1485,122 @@ describe('Remote Frame Buffer Protocol Client', function() {
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expect(client._display.resize).to.have.been.calledWith(20, 50);
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expect(client._display.resize).to.have.been.calledWith(20, 50);
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});
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});
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describe('the ExtendedDesktopSize pseudo-encoding handler', function () {
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var client;
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beforeEach(function () {
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client = make_rfb();
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client.connect('host', 8675);
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client._sock._websocket._open();
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client._rfb_state = 'normal';
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client._fb_name = 'some device';
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client._supportsSetDesktopSize = false;
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// a really small frame
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client._fb_width = 4;
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client._fb_height = 4;
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client._display._fb_width = 4;
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client._display._fb_height = 4;
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client._display._viewportLoc.w = 4;
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client._display._viewportLoc.h = 4;
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client._fb_Bpp = 4;
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sinon.spy(client._display, 'resize');
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client.set_onFBResize(sinon.spy());
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});
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function make_screen_data (nr_of_screens) {
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var data = [];
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data.push8(nr_of_screens); // number-of-screens
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data.push8(0); // padding
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data.push16(0); // padding
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for (var i=0; i<nr_of_screens; i += 1) {
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data.push32(0); // id
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data.push16(0); // x-position
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data.push16(0); // y-position
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data.push16(20); // width
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data.push16(50); // height
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data.push32(0); // flags
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}
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return data;
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}
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it('should handle a resize requested by this client', function () {
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var reason_for_change = 1; // requested by this client
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var status_code = 0; // No error
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send_fbu_msg([{ x: reason_for_change, y: status_code,
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width: 20, height: 50, encoding: -308 }],
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make_screen_data(1), client);
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expect(client._supportsSetDesktopSize).to.be.true;
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expect(client._fb_width).to.equal(20);
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expect(client._fb_height).to.equal(50);
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expect(client._display.resize).to.have.been.calledOnce;
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expect(client._display.resize).to.have.been.calledWith(20, 50);
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var spy = client.get_onFBResize();
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expect(spy).to.have.been.calledOnce;
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expect(spy).to.have.been.calledWith(sinon.match.any, 20, 50);
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});
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it('should handle a resize requested by another client', function () {
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var reason_for_change = 2; // requested by another client
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var status_code = 0; // No error
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send_fbu_msg([{ x: reason_for_change, y: status_code,
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width: 20, height: 50, encoding: -308 }],
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make_screen_data(1), client);
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expect(client._supportsSetDesktopSize).to.be.true;
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expect(client._fb_width).to.equal(20);
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expect(client._fb_height).to.equal(50);
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expect(client._display.resize).to.have.been.calledOnce;
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expect(client._display.resize).to.have.been.calledWith(20, 50);
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var spy = client.get_onFBResize();
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expect(spy).to.have.been.calledOnce;
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expect(spy).to.have.been.calledWith(sinon.match.any, 20, 50);
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});
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it('should be able to recieve requests which contain data for multiple screens', function () {
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var reason_for_change = 2; // requested by another client
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var status_code = 0; // No error
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send_fbu_msg([{ x: reason_for_change, y: status_code,
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width: 60, height: 50, encoding: -308 }],
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make_screen_data(3), client);
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expect(client._supportsSetDesktopSize).to.be.true;
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expect(client._fb_width).to.equal(60);
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expect(client._fb_height).to.equal(50);
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expect(client._display.resize).to.have.been.calledOnce;
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expect(client._display.resize).to.have.been.calledWith(60, 50);
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var spy = client.get_onFBResize();
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expect(spy).to.have.been.calledOnce;
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expect(spy).to.have.been.calledWith(sinon.match.any, 60, 50);
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});
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it('should not handle a failed request', function () {
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var reason_for_change = 0; // non-incremental
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var status_code = 1; // Resize is administratively prohibited
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send_fbu_msg([{ x: reason_for_change, y: status_code,
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width: 20, height: 50, encoding: -308 }],
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make_screen_data(1), client);
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expect(client._fb_width).to.equal(4);
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expect(client._fb_height).to.equal(4);
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expect(client._display.resize).to.not.have.been.called;
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var spy = client.get_onFBResize();
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expect(spy).to.not.have.been.called;
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});
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});
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it.skip('should handle the Cursor pseudo-encoding', function () {
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it.skip('should handle the Cursor pseudo-encoding', function () {
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// TODO(directxman12): test
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// TODO(directxman12): test
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});
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});
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