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describe("hx-push-url attribute", function() {
var HTMX_HISTORY_CACHE_NAME = "htmx-history-cache";
beforeEach(function () {
this.server = makeServer();
clearWorkArea();
localStorage.removeItem(HTMX_HISTORY_CACHE_NAME);
});
afterEach(function () {
this.server.restore();
clearWorkArea();
localStorage.removeItem(HTMX_HISTORY_CACHE_NAME);
});
it("navigation should push an element into the cache ", function () {
this.server.respondWith("GET", "/test", "second");
getWorkArea().innerHTML.should.be.equal("");
var div = make('<div hx-push-url="true" hx-get="/test">first</div>');
div.click();
this.server.respond();
getWorkArea().textContent.should.equal("second")
var cache = JSON.parse(localStorage.getItem(HTMX_HISTORY_CACHE_NAME));
cache.length.should.equal(1);
});
it("restore should return old value", function () {
this.server.respondWith("GET", "/test1", '<div id="d2" hx-push-url="true" hx-get="/test2" hx-swap="outerHTML settle:0">test1</div>');
this.server.respondWith("GET", "/test2", '<div id="d3" hx-push-url="true" hx-get="/test3" hx-swap="outerHTML settle:0">test2</div>');
make('<div id="d1" hx-push-url="true" hx-get="/test1" hx-swap="outerHTML settle:0">init</div>');
byId("d1").click();
this.server.respond();
var workArea = getWorkArea();
workArea.textContent.should.equal("test1")
byId("d2").click();
this.server.respond();
workArea.textContent.should.equal("test2")
var cache = JSON.parse(localStorage.getItem(HTMX_HISTORY_CACHE_NAME));
cache.length.should.equal(2);
htmx._('restoreHistory')("/test1")
this.server.respond();
getWorkArea().textContent.should.equal("test1")
});
it("cache should only store 10 entries", function () {
var x = 0;
this.server.respondWith("GET", /test.*/, function(xhr){
x++;
xhr.respond(200, {}, '<div id="d1" hx-push-url="true" hx-get="/test' + x + '" hx-swap="outerHTML settle:0"></div>')
});
getWorkArea().innerHTML.should.be.equal("");
make('<div id="d1" hx-push-url="true" hx-get="/test" hx-swap="outerHTML settle:0"></div>');
for (var i = 0; i < 20; i++) { // issue 20 requests
byId("d1").click();
this.server.respond();
}
var cache = JSON.parse(localStorage.getItem(HTMX_HISTORY_CACHE_NAME));
cache.length.should.equal(10); // should only be 10 elements
});
it("cache miss should issue another GET", function () {
this.server.respondWith("GET", "/test1", '<div id="d2" hx-push-url="true" hx-get="/test2" hx-swap="outerHTML settle:0">test1</div>');
this.server.respondWith("GET", "/test2", '<div id="d3" hx-push-url="true" hx-get="/test3" hx-swap="outerHTML settle:0">test2</div>');
make('<div id="d1" hx-push-url="true" hx-get="/test1" hx-swap="outerHTML settle:0">init</div>');
byId("d1").click();
this.server.respond();
var workArea = getWorkArea();
workArea.textContent.should.equal("test1")
byId("d2").click();
this.server.respond();
workArea.textContent.should.equal("test2")
var cache = JSON.parse(localStorage.getItem(HTMX_HISTORY_CACHE_NAME));
cache.length.should.equal(2);
localStorage.removeItem(HTMX_HISTORY_CACHE_NAME); // clear cache
htmx._('restoreHistory')("/test1")
this.server.respond();
getWorkArea().textContent.should.equal("test1")
});
it("navigation should push an element into the cache w/ data-* prefix", function () {
this.server.respondWith("GET", "/test", "second");
getWorkArea().innerHTML.should.be.equal("");
var div = make('<div data-hx-push-url="true" data-hx-get="/test">first</div>');
div.click();
this.server.respond();
getWorkArea().textContent.should.equal("second")
var cache = JSON.parse(localStorage.getItem(HTMX_HISTORY_CACHE_NAME));
cache.length.should.equal(1);
});
it("deals with malformed JSON in history cache when getting", function () {
localStorage.setItem(HTMX_HISTORY_CACHE_NAME, "Invalid JSON");
var history = htmx._('getCachedHistory')('url');
should.equal(history, null);
});
it("deals with malformed JSON in history cache when saving", function () {
localStorage.setItem(HTMX_HISTORY_CACHE_NAME, "Invalid JSON");
htmx._('saveToHistoryCache')('url', 'content', 'title', 'scroll');
var cache = JSON.parse(localStorage.getItem(HTMX_HISTORY_CACHE_NAME));
cache.length.should.equal(1);
});
it("afterSettle.htmx is called when replacing outerHTML", function () {
var called = false;
var handler = htmx.on("afterSettle.htmx", function (evt) {
called = true;
});
try {
this.server.respondWith("POST", "/test", function (xhr) {
xhr.respond(200, {}, "<button>Bar</button>");
});
var div = make("<button hx-post='/test' hx-swap='outerHTML'>Foo</button>");
div.click();
this.server.respond();
should.equal(called, true);
} finally {
htmx.off("afterSettle.htmx", handler);
}
});
it("should include parameters on a get", function () {
var path = "";
var handler = htmx.on("pushedIntoHistory.htmx", function (evt) {
path = evt.detail.path;
});
try {
this.server.respondWith("GET", /test.*/, function (xhr) {
xhr.respond(200, {}, "second")
});
var form = make('<form hx-trigger="click" hx-push-url="true" hx-get="/test"><input type="hidden" name="foo" value="bar"/>first</form>');
form.click();
this.server.respond();
form.textContent.should.equal("second")
path.should.equal("/test?foo=bar")
} finally {
htmx.off("pushedIntoHistory.htmx", handler);
}
});
});
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