55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
describe("CommitUpdates", function() {
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describe("constructor", function() {
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it("initializes with a socket", function() {
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var socket = {mock: true};
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var updates = new Drone.CommitUpdates(socket);
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expect(updates.socket).toEqual(socket);
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});
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it("initializes with a string", function() {
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window.WebSocket = function(url) { this.url = url; };
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var updates = new Drone.CommitUpdates('/path');
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expect(updates.socket.url).toEqual('ws://localhost/path');
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});
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it("attaches handlers to the socket", function() {
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var socket = {mock: true};
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var updates = new Drone.CommitUpdates(socket);
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expect(typeof(socket.onmessage)).toEqual("function");
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});
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});
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describe("onMessage", function() {
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it("appends to the lineBuffer", function() {
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var updates = new Drone.CommitUpdates({});
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updates.lineBuffer = "foo ";
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updates.onMessage({data: 'bar'});
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expect(updates.lineBuffer).toEqual('foo bar');
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});
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});
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describe("updateScreen", function() {
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it("does nothing when the lineBuffer is empty", function() {
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var updates = new Drone.CommitUpdates({});
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var el = document.createElement('div');
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expect(el.innerHTML).toEqual('');
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updates.startOutput(el);
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expect(el.innerHTML).toEqual('');
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updates.stopOutput();
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});
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it("writes the lineBuffer to the element", function() {
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var socket = {};
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var updates = new Drone.CommitUpdates(socket);
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socket.onmessage({data: 'foo'});
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socket.onmessage({data: ' bar'});
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var el = document.createElement('div');
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expect(el.innerHTML).toEqual('');
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updates.startOutput(el);
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expect(el.innerHTML).toEqual('foo bar');
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updates.stopOutput();
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});
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});
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});
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