晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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if ($.support.pjax) {
module("$.pjax", {
setup: function() {
var self = this
stop()
window.iframeLoad = function(frame) {
self.frame = frame
window.iframeLoad = $.noop
start()
}
$("#qunit-fixture").append("<iframe src='home.html'>")
this.iframe = $("iframe")[0]
},
teardown: function() {
delete window.iframeLoad
}
})
asyncTest("pushes new url", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html",
container: "#main",
success: function() {
equal(frame.location.pathname, "/hello.html")
start()
}
})
})
asyncTest("replaces container html from response data", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html",
container: "#main",
success: function() {
equal(frame.$("#main").html().trim(), "<p>Hello!</p>")
start()
}
})
})
asyncTest("sets title to response title tag", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html",
container: "#main",
success: function() {
equal(frame.document.title, "Hello")
ok(!frame.$("#main title").length)
start()
}
})
})
asyncTest("sets title to response nested title tag", function() {
var frame = this.frame
frame.$.pjax({
url: "nested_title.html",
container: "#main",
success: function() {
equal(frame.document.title, "Hello")
ok(!frame.$("#main title").length)
start()
}
})
})
asyncTest("sets title to response last title tag", function() {
var frame = this.frame
frame.$.pjax({
url: "double_title.html",
container: "#main",
success: function() {
equal(frame.document.title, "World!")
ok(!frame.$("#main title").length)
start()
}
})
})
asyncTest("scrolls to top of page", function() {
var frame = this.frame
frame.window.scrollTo(0, 100)
equal(frame.window.scrollY, 100)
frame.$.pjax({
url: "long.html",
container: "#main",
success: function() {
equal(frame.window.scrollY, 0)
start()
}
})
})
asyncTest("preserves current scroll position", function() {
var frame = this.frame
frame.window.scrollTo(0, 100)
equal(frame.window.scrollY, 100)
frame.$.pjax({
url: "long.html",
container: "#main",
scrollTo: false,
success: function() {
equal(frame.window.scrollY, 100)
start()
}
})
})
asyncTest("container option accepts String selector", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html",
container: "#main",
success: function() {
equal(frame.$("#main").html().trim(), "<p>Hello!</p>")
start()
}
})
})
asyncTest("container option accepts jQuery object", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html",
container: frame.$("#main"),
success: function() {
equal(frame.$("#main").html().trim(), "<p>Hello!</p>")
start()
}
})
})
asyncTest("container option accepts Element with ID", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html",
container: frame.document.getElementById("main"),
success: function() {
equal(frame.$("#main").html().trim(), "<p>Hello!</p>")
start()
}
})
})
asyncTest("url option accepts function", function() {
var frame = this.frame
frame.$.pjax({
url: function() { return "hello.html" },
container: "#main",
success: function() {
equal(frame.$("#main").html().trim(), "<p>Hello!</p>")
start()
}
})
})
asyncTest("sets X-PJAX header on XHR request", function() {
var frame = this.frame
frame.$.pjax({
url: "env.html",
container: "#main",
success: function() {
var env = JSON.parse(frame.$("#env").text())
ok(env['HTTP_X_PJAX'])
start()
}
})
})
asyncTest("sets X-PJAX-Container header to container on XHR request", function() {
var frame = this.frame
frame.$.pjax({
url: "env.html",
container: "#main",
success: function() {
var env = JSON.parse(frame.$("#env").text())
equal(env['HTTP_X_PJAX_CONTAINER'], "#main")
start()
}
})
})
asyncTest("sets hidden _pjax param on XHR GET request", function() {
var frame = this.frame
frame.$.pjax({
url: "env.html",
container: "#main",
success: function() {
var env = JSON.parse(frame.$("#env").text())
equal(env['rack.request.query_hash']['_pjax'], '#main')
start()
}
})
})
asyncTest("preserves query string on GET request", function() {
var frame = this.frame
frame.$.pjax({
url: "env.html?foo=1&bar=2",
container: "#main",
complete: function() {
equal(frame.location.pathname, "/env.html")
equal(frame.location.search, "?foo=1&bar=2")
var env = JSON.parse(frame.$("#env").text())
equal(env['rack.request.query_hash']['foo'], '1')
equal(env['rack.request.query_hash']['bar'], '2')
start()
}
})
})
asyncTest("only fragment is inserted", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html?layout=true",
fragment: "#main",
container: "#main",
success: function(data) {
equal(typeof data, 'string')
equal(frame.$("#main").html().trim(), "<p>Hello!</p>")
start()
}
})
})
asyncTest("fragment sets title to response title tag", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html?layout=true",
fragment: "#main",
container: "#main",
success: function(data) {
equal(frame.document.title, "Hello")
start()
}
})
})
asyncTest("fragment sets title to response title attr", function() {
var frame = this.frame
frame.$.pjax({
url: "fragment.html",
fragment: "#foo",
container: "#main",
success: function(data) {
equal(frame.document.title, "Foo")
equal(frame.$("#main p").html(), "Foo")
start()
}
})
})
asyncTest("fragment sets title to response data-title attr", function() {
var frame = this.frame
frame.$.pjax({
url: "fragment.html",
fragment: "#bar",
container: "#main",
success: function(data) {
equal(frame.document.title, "Bar")
equal(frame.$("#main p").html(), "Bar")
start()
}
})
})
asyncTest("missing fragment falls back to full load", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html?layout=true",
fragment: "#missing",
container: "#main"
})
this.iframe.onload = function() {
equal(frame.$("#main p").html(), "Hello!")
equal(frame.location.pathname, "/hello.html")
start()
}
})
asyncTest("missing data falls back to full load", function() {
var frame = this.frame
frame.$.pjax({
url: "empty.html",
container: "#main"
})
this.iframe.onload = function() {
equal(frame.$("#main").html().trim(), "")
equal(frame.location.pathname, "/empty.html")
start()
}
})
asyncTest("full html page falls back to full load", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html?layout=true",
container: "#main"
})
this.iframe.onload = function() {
equal(frame.$("#main p").html(), "Hello!")
equal(frame.location.pathname, "/hello.html")
start()
}
})
asyncTest("triggers pjax:start event from container", function() {
var frame = this.frame
var startCalled
frame.$("#main").on("pjax:start", function(event, xhr, options) {
startCalled = this
ok(event)
ok(xhr)
equal(options.url, "hello.html")
})
frame.$.pjax({
url: "hello.html",
container: "#main",
success: function() {
equal(startCalled, frame.$("#main")[0])
start()
}
})
})
asyncTest("triggers pjax:end event from container", function() {
var frame = this.frame
var endCalled
frame.$("#main").on("pjax:end", function(event, xhr, options) {
ok(event)
equal(xhr.status, 200)
equal(options.url, "hello.html")
equal(this, frame.$("#main")[0])
start()
})
frame.$.pjax({
url: "hello.html",
container: "#main"
})
})
asyncTest("sets relatedTarget to target", function() {
var frame = this.frame
var endCalled
frame.$("#main").on("pjax:end", function(event, xhr, options) {
ok(event)
equal(event.relatedTarget, frame.$("#main")[0])
equal(this, frame.$("#main")[0])
start()
})
frame.$.pjax({
url: "hello.html",
container: "#main",
target: frame.$("#main")[0]
})
})
asyncTest("triggers pjax:beforeSend event from container", function() {
var frame = this.frame
frame.$("#main").on("pjax:beforeSend", function(event, xhr, settings, options) {
ok(event)
ok(xhr)
equal(settings.url, "hello.html?_pjax=%23main")
})
frame.$.pjax({
url: "hello.html",
container: "#main",
beforeSend: function(xhr, settings) {
ok(xhr)
equal(settings.url, "hello.html?_pjax=%23main")
},
success: function(data, status, xhr) {
start()
}
})
})
asyncTest("stopping pjax:beforeSend prevents the request", function() {
var frame = this.frame
frame.$("#main").on("pjax:beforeSend", function(event, xhr) {
ok(true)
setTimeout(start, 0)
return false
})
this.iframe.onload = function() { ok(false) }
frame.$.pjax({
url: "hello.html",
container: "#main",
success: function() {
ok(false)
}
})
})
asyncTest("triggers pjax:success event from container", function() {
var frame = this.frame
stop()
frame.$("#main").on("pjax:success", function(event, data, status, xhr, options) {
ok(event)
ok(data)
equal(status, 'success')
equal(xhr.status, 200)
equal(options.url, "hello.html")
start()
})
frame.$.pjax({
url: "hello.html",
container: "#main",
success: function(data, status, xhr) {
ok(data)
equal(status, 'success')
equal(xhr.status, 200)
start()
}
})
})
asyncTest("triggers pjax:complete event from container", function() {
var frame = this.frame
stop()
frame.$("#main").on("pjax:complete", function(event, xhr, status, options) {
ok(event)
equal(xhr.status, 200)
equal(status, 'success')
equal(options.url, "hello.html")
start()
})
frame.$.pjax({
url: "hello.html",
container: "#main",
complete: function(xhr, status) {
equal(xhr.status, 200)
equal(status, 'success')
start()
}
})
})
asyncTest("triggers pjax:error event from container", function() {
var frame = this.frame
stop()
frame.$("#main").on("pjax:error", function(event, xhr, status, error, options) {
ok(event)
equal(xhr.status, 500)
equal(status, 'error')
equal(error.trim(), 'Internal Server Error')
equal(options.url, "boom.html")
start()
})
frame.$.pjax({
url: "boom.html",
container: "#main",
error: function(xhr, status, error) {
equal(xhr.status, 500)
equal(status, 'error')
equal(error.trim(), 'Internal Server Error')
start()
}
})
})
asyncTest("stopping pjax:error disables default behavior", function() {
var frame = this.frame
frame.$("#main").on("pjax:error", function(event, xhr) {
ok(true)
setTimeout(function() {
xhr.abort()
start()
}, 0)
return false
})
this.iframe.onload = function() { ok(false) }
frame.$.pjax({
url: "boom.html",
container: "#main"
})
})
asyncTest("loads fallback if timeout event isn't handled", function() {
var frame = this.frame
frame.$.pjax({
url: "timeout.html",
container: "#main"
})
this.iframe.onload = function() {
equal(frame.$("#main p").html(), "SLOW DOWN!")
equal(frame.location.pathname, "/timeout.html")
start()
}
})
asyncTest("stopping pjax:timeout disables default behavior", function() {
var frame = this.frame
frame.$("#main").on("pjax:timeout", function(event, xhr) {
ok(true)
setTimeout(function() {
xhr.abort()
start()
}, 0)
return false
})
this.iframe.onload = function() { ok(false) }
frame.$.pjax({
url: "timeout.html",
container: "#main"
})
})
asyncTest("500 loads fallback", function() {
var frame = this.frame
frame.$.pjax({
url: "boom.html",
container: "#main"
})
this.iframe.onload = function() {
equal(frame.$("#main p").html(), "500")
equal(frame.location.pathname, "/boom.html")
start()
}
})
function goBack(frame, callback) {
setTimeout(function() {
frame.$("#main").one("pjax:end", callback)
frame.history.back()
}, 0)
}
function goForward(frame, callback) {
setTimeout(function() {
frame.$("#main").one("pjax:end", callback)
frame.history.forward()
}, 0)
}
asyncTest("popstate going back to page", function() {
var frame = this.frame
equal(frame.location.pathname, "/home.html")
equal(frame.document.title, "Home")
frame.$.pjax({
url: "hello.html",
container: "#main",
complete: function() {
equal(frame.location.pathname, "/hello.html")
equal(frame.document.title, "Hello")
ok(frame.history.length > 1)
goBack(frame, function() {
equal(frame.location.pathname, "/home.html")
equal(frame.document.title, "Home")
start()
})
}
})
})
asyncTest("popstate going forward to page", function() {
var frame = this.frame
equal(frame.location.pathname, "/home.html")
equal(frame.document.title, "Home")
frame.$.pjax({
url: "hello.html",
container: "#main",
complete: function() {
equal(frame.location.pathname, "/hello.html")
equal(frame.document.title, "Hello")
ok(frame.history.length > 1)
goBack(frame, function() {
goForward(frame, function() {
equal(frame.location.pathname, "/hello.html")
equal(frame.document.title, "Hello")
start()
})
})
}
})
})
asyncTest("popstate preserves scroll position", function() {
var frame = this.frame
equal(frame.location.pathname, "/home.html")
frame.window.scrollTo(0, 100)
equal(frame.window.scrollY, 100)
frame.$.pjax({
url: "long.html",
container: "#main",
complete: function() {
equal(frame.location.pathname, "/long.html")
equal(frame.window.scrollY, 0)
ok(frame.history.length > 1)
goBack(frame, function() {
equal(frame.location.pathname, "/home.html")
// PENDING: Popstate scroll position restore doesn't seem to
// work inside an iframe.
// equal(frame.window.scrollY, 100)
start()
})
}
})
})
asyncTest("popstate going back to page triggers pjax:popstate event", function() {
var frame = this.frame
equal(frame.location.pathname, "/home.html")
frame.$('#main').on('pjax:popstate', function(event) {
equal(frame.location.pathname, "/home.html")
equal(event.state.container, '#main')
equal(event.direction, 'back')
start()
})
frame.$.pjax({
url: "hello.html",
container: "#main",
complete: function() {
equal(frame.location.pathname, "/hello.html")
ok(frame.history.length > 1)
goBack(frame, function() {})
}
})
})
asyncTest("popstate preserves GET data", function() {
var frame = this.frame
frame.$.pjax({
url: "env.html?foo=1",
data: { bar: 2 },
container: "#main",
complete: function() {
equal(frame.location.pathname, "/env.html")
equal(frame.location.search, "?foo=1&bar=2")
var env = JSON.parse(frame.$("#env").text())
equal(env['rack.request.query_hash']['foo'], '1')
equal(env['rack.request.query_hash']['bar'], '2')
frame.$.pjax({
url: "hello.html",
container: "#main",
complete: function() {
equal(frame.location.pathname, "/hello.html")
ok(frame.history.length > 2)
goBack(frame, function() {
equal(frame.location.pathname, "/env.html")
equal(frame.location.search, "?foo=1&bar=2")
var env = JSON.parse(frame.$("#env").text())
equal(env['rack.request.query_hash']['foo'], '1')
equal(env['rack.request.query_hash']['bar'], '2')
start()
})
}
})
}
})
})
asyncTest("follows redirect with X-PJAX-URL header", function() {
var frame = this.frame
frame.$.pjax({
url: "redirect.html",
container: "#main",
success: function() {
equal(frame.location.pathname, "/hello.html")
equal(frame.$("#main").html().trim(), "<p>Hello!</p>")
start()
}
})
})
asyncTest("lazily sets initial $.pjax.state", function() {
var frame = this.frame
ok(!frame.$.pjax.state)
frame.$.pjax({
url: "hello.html",
container: "#main",
success: start
})
ok(frame.$.pjax.state.id)
equal(frame.$.pjax.state.url, frame.location.origin + "/home.html")
equal(frame.$.pjax.state.container, "#main")
})
asyncTest("updates $.pjax.state to new page", function() {
var frame = this.frame
frame.$.pjax({
url: "hello.html",
container: "#main",
success: function() {
ok(frame.$.pjax.state.id)
equal(frame.$.pjax.state.url, frame.location.origin + "/hello.html")
equal(frame.$.pjax.state.container, "#main")
start()
}
})
})
asyncTest("new id is generated for new pages", function() {
var frame = this.frame
var oldId
frame.$.pjax({
url: "hello.html",
container: "#main",
success: function() {
ok(frame.$.pjax.state.id)
notEqual(oldId, frame.$.pjax.state.id)
start()
}
})
ok(frame.$.pjax.state.id)
oldId = frame.$.pjax.state.id
})
asyncTest("id is the same going back", function() {
var frame = this.frame
var oldId
equal(frame.location.pathname, "/home.html")
frame.$.pjax({
url: "hello.html",
container: "#main",
complete: function() {
ok(frame.$.pjax.state.id)
notEqual(oldId, frame.$.pjax.state.id)
ok(frame.history.length > 1)
goBack(frame, function() {
ok(frame.$.pjax.state.id)
equal(oldId, frame.$.pjax.state.id)
start()
})
}
})
ok(frame.$.pjax.state.id)
oldId = frame.$.pjax.state.id
})
}