1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
|
describe("sse extension", function() {
function mockEventSource() {
var listeners = {};
var wasClosed = false;
var url;
var mockEventSource = {
_listeners: listeners,
removeEventListener: function(name, l) {
listeners[name] = listeners[name].filter(function(elt, idx, arr) {
if (arr[idx] === l) {
return false;
}
return true;
})
},
addEventListener: function(message, l) {
if (listeners[message] === undefined) {
listeners[message] = [];
}
listeners[message].push(l)
},
sendEvent: function(eventName, data) {
var eventListeners = listeners[eventName];
if (eventListeners) {
eventListeners.forEach(function(listener) {
var event = htmx._("makeEvent")(eventName);
event.data = data;
listener(event);
})
}
},
close: function() {
wasClosed = true;
},
wasClosed: function() {
return wasClosed;
},
connect: function(url) {
this.url = url
}
};
return mockEventSource;
}
beforeEach(function() {
this.server = makeServer();
var eventSource = mockEventSource();
this.eventSource = eventSource;
clearWorkArea();
htmx.createEventSource = function(url) {
eventSource.connect(url);
return eventSource;
};
});
afterEach(function() {
this.server.restore();
this.eventSource = mockEventSource();
clearWorkArea();
});
it('handles basic sse triggering', function() {
this.server.respondWith("GET", "/d1", "div1 updated");
this.server.respondWith("GET", "/d2", "div2 updated");
var div = make('<div hx-ext="sse" sse-connect="/foo">' +
'<div id="d1" hx-trigger="sse:e1" hx-get="/d1">div1</div>' +
'<div id="d2" hx-trigger="sse:e2" hx-get="/d2">div2</div>' +
'</div>');
this.eventSource.sendEvent("e1");
this.server.respond();
byId("d1").innerHTML.should.equal("div1 updated");
byId("d2").innerHTML.should.equal("div2");
this.eventSource.sendEvent("e2");
this.server.respond();
byId("d1").innerHTML.should.equal("div1 updated");
byId("d2").innerHTML.should.equal("div2 updated");
})
it('does not trigger events that arent named', function() {
this.server.respondWith("GET", "/d1", "div1 updated");
var div = make('<div hx-ext="sse" sse-connect="/foo">' +
'<div id="d1" hx-trigger="sse:e1" hx-get="/d1">div1</div>' +
'</div>');
this.eventSource.sendEvent("foo");
this.server.respond();
byId("d1").innerHTML.should.equal("div1");
this.eventSource.sendEvent("e2");
this.server.respond();
byId("d1").innerHTML.should.equal("div1");
this.eventSource.sendEvent("e1");
this.server.respond();
byId("d1").innerHTML.should.equal("div1 updated");
})
it('does not trigger events not on descendents', function() {
this.server.respondWith("GET", "/d1", "div1 updated");
var div = make('<div hx-ext="sse" sse-connect="/foo"></div>' +
'<div id="d1" hx-trigger="sse:e1" hx-get="/d1">div1</div>');
this.eventSource.sendEvent("foo");
this.server.respond();
byId("d1").innerHTML.should.equal("div1");
this.eventSource.sendEvent("e2");
this.server.respond();
byId("d1").innerHTML.should.equal("div1");
this.eventSource.sendEvent("e1");
this.server.respond();
byId("d1").innerHTML.should.equal("div1");
})
it('is closed after removal, hx-trigger', function() {
this.server.respondWith("GET", "/test", "Clicked!");
var div = make('<div hx-get="/test" hx-swap="outerHTML" hx-ext="sse" sse-connect="/foo">' +
'<div id="d1" hx-trigger="sse:e1" hx-get="/d1">div1</div>' +
'</div>');
div.click();
this.server.respond();
this.eventSource.wasClosed().should.equal(true)
})
it('is closed after removal, hx-swap', function() {
this.server.respondWith("GET", "/test", "Clicked!");
var div = make('<div hx-get="/test" hx-swap="outerHTML" hx-ext="sse" sse-connect="/foo">' +
'<div id="d1" hx-swap="e1" hx-get="/d1">div1</div>' +
'</div>');
div.click();
this.server.respond();
this.eventSource.wasClosed().should.equal(true)
})
it('is closed after removal with no close and activity, hx-trigger', function() {
var div = make('<div hx-get="/test" hx-swap="outerHTML" hx-ext="sse" sse-connect="/foo">' +
'<div id="d1" hx-trigger="sse:e1" hx-get="/d1">div1</div>' +
'</div>');
div.parentElement.removeChild(div);
this.eventSource.sendEvent("e1")
this.eventSource.wasClosed().should.equal(true)
})
it('is not listening for events after hx-swap element removed', function() {
var div = make('<div hx-ext="sse" sse-connect="/foo">' +
'<div id="d1" hx-swap="outerHTML" sse-swap="e1">div1</div>' +
'</div>');
this.eventSource._listeners["e1"].should.be.lengthOf(1)
div.removeChild(byId("d1"));
this.eventSource.sendEvent("e1", "Test")
this.eventSource._listeners["e1"].should.be.empty
})
// sse and hx-trigger handlers are distinct
it('is closed after removal with no close and activity, sse-swap', function() {
var div = make('<div hx-get="/test" hx-swap="outerHTML" hx-ext="sse" sse-connect="/foo">' +
'<div id="d1" sse-swap="e1" hx-get="/d1">div1</div>' +
'</div>');
div.parentElement.removeChild(div);
this.eventSource.sendEvent("e1")
this.eventSource.wasClosed().should.equal(true)
})
it('swaps content properly on SSE swap', function() {
var div = make('<div hx-ext="sse" sse-connect="/event_stream">\n' +
' <div id="d1" sse-swap="e1"></div>\n' +
' <div id="d2" sse-swap="e2"></div>\n' +
'</div>\n');
byId("d1").innerText.should.equal("")
byId("d2").innerText.should.equal("")
this.eventSource.sendEvent("e1", "Event 1")
byId("d1").innerText.should.equal("Event 1")
byId("d2").innerText.should.equal("")
this.eventSource.sendEvent("e2", "Event 2")
byId("d1").innerText.should.equal("Event 1")
byId("d2").innerText.should.equal("Event 2")
})
it('swaps swapped in content', function() {
var div = make('<div hx-ext="sse" sse-connect="/event_stream">\n' +
'<div id="d1" sse-swap="e1" hx-swap="outerHTML"></div>\n' +
'</div>\n'
)
this.eventSource.sendEvent("e1", '<div id="d2" sse-swap="e2"></div>')
this.eventSource.sendEvent("e2", 'Event 2')
byId("d2").innerText.should.equal("Event 2")
})
it('works in a child of an hx-ext="sse" element', function() {
var div = make('<div hx-ext="sse">\n' +
'<div id="d1" sse-connect="/event_stream" sse-swap="e1">div1</div>\n' +
'</div>\n'
)
this.eventSource.url = "/event_stream"
})
it('only adds sseEventSource to elements with sse-connect', function() {
var div = make('<div hx-ext="sse" sse-connect="/event_stream" >\n' +
'<div id="d1" sse-swap="e1"></div>\n' +
'</div>');
(byId('d1')["htmx-internal-data"].sseEventSource == undefined).should.be.true
// Even when content is swapped in
this.eventSource.sendEvent("e1", '<div id="d2" sse-swap="e2"></div>');
(byId('d2')["htmx-internal-data"].sseEventSource == undefined).should.be.true
})
it('initializes connections in swapped content', function() {
this.server.respondWith("GET", "/d1", '<div><div sse-connect="/foo"><div id="d2" hx-trigger="sse:e2" hx-get="/d2">div2</div></div></div>');
this.server.respondWith("GET", "/d2", "div2 updated");
var div = make('<div hx-ext="sse" hx-get="/d1"></div>');
div.click();
this.server.respond();
this.eventSource.sendEvent("e2");
this.server.respond();
byId("d2").innerHTML.should.equal("div2 updated");
})
it('creates an eventsource on elements with sse-connect', function() {
var div = make('<div hx-ext="sse"><div id="d1"sse-connect="/event_stream"></div></div>');
(byId("d1")['htmx-internal-data'].sseEventSource == undefined).should.be.false;
})
it('raises htmx:sseBeforeMessage when receiving message from the server', function () {
var myEventCalled = false;
function handle(evt) {
myEventCalled = true;
}
htmx.on("htmx:sseBeforeMessage", handle)
var div = make('<div hx-ext="sse" sse-connect="/event_stream" sse-swap="e1"></div>');
this.eventSource.sendEvent("e1", '<div id="d1"></div>')
myEventCalled.should.be.true;
htmx.off("htmx:sseBeforeMessage", handle)
})
it('cancels swap when htmx:sseBeforeMessage was cancelled', function () {
var myEventCalled = false;
function handle(evt) {
myEventCalled = true;
evt.preventDefault();
}
htmx.on("htmx:sseBeforeMessage", handle)
var div = make('<div hx-ext="sse" sse-connect="/event_stream" sse-swap="e1"><div id="d1">div1</div></div>');
this.eventSource.sendEvent("e1", '<div id="d1">replaced</div>')
myEventCalled.should.be.true;
byId("d1").innerHTML.should.equal("div1");
htmx.off("htmx:sseBeforeMessage", handle)
})
it('raises htmx:sseMessage when message was completely processed', function () {
var myEventCalled = false;
function handle(evt) {
myEventCalled = true;
}
htmx.on("htmx:sseMessage", handle)
var div = make('<div hx-ext="sse" sse-connect="/event_stream" sse-swap="e1"><div id="d1">div1</div></div>');
this.eventSource.sendEvent("e1", '<div id="d1">replaced</div>')
myEventCalled.should.be.true;
byId("d1").innerHTML.should.equal("replaced");
htmx.off("htmx:sseMessage", handle)
})
});
|
