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<html>
<head>
<script src="../../lib/OpenLayers.js"></script>
<script type="text/javascript">
function test_constructor(t) {
t.plan(11);
var a = new OpenLayers.Protocol.Script({
url: "foo"
});
// 7 tests
t.eq(a.url, "foo", "constructor sets url");
t.eq(a.options.url, a.url, "constructor copies url to options.url");
t.eq(a.params, {}, "constructor sets params");
t.eq(a.options.params, undefined, "constructor does not copy params to options.params");
t.ok(a.format instanceof OpenLayers.Format.GeoJSON,
"constructor sets a GeoJSON format by default");
t.eq(a.callbackKey, 'callback',
"callbackKey is set to 'callback' by default");
t.eq(a.callbackPrefix, '',
"callbackPrefix is set to '' by default");
var params = {hello: "world"};
var b = new OpenLayers.Protocol.Script({
url: "bar",
params: params,
callbackKey: 'cb_key',
callbackPrefix: 'cb_prefix'
});
// 6 tests
t.eq(b.params, params, "constructor sets params");
t.eq(b.options.params, b.params, "constructor copies params to options.params");
t.eq(b.callbackKey, 'cb_key',
"callbackKey is set to 'cb_key'");
t.eq(b.callbackPrefix, 'cb_prefix',
"callbackPrefix is set to 'cb_prefix'");
}
function test_destroy(t) {
t.plan(3);
var aborted = false;
var protocol = new OpenLayers.Protocol.Script({
url: "bar",
params: {hello: "world"},
abort: function() {
aborted = true;
}
});
protocol.destroy();
t.ok(aborted, "destroy aborts request");
t.eq(protocol.params, null, "destroy nullifies params");
t.eq(protocol.format, null, "destroy nullifies format");
}
function test_read(t) {
t.plan(5);
var protocol = new OpenLayers.Protocol.Script({
'url': 'foo_url',
'params': {'k': 'foo_param'}
});
// fake XHR request object
var request = {'status': 200};
// options to pass to read
var readOptions = {
'url': 'bar_url',
'params': {'k': 'bar_param'}
};
var response;
protocol.createRequest = function(url, params, callback) {
// 4 tests
t.ok(this == protocol,
'createRequest called with correct scope');
t.ok(url == readOptions.url,
'createRequest called with correct url');
t.ok(params == readOptions.params,
'createRequest called with correct params');
t.ok(callback instanceof Function,
'createRequest called with a function as callback');
return 'foo_request';
};
var resp = protocol.read(readOptions);
t.eq(resp.priv, 'foo_request',
'response priv property set to what the createRequest method returns');
}
function test_read_bbox(t) {
t.plan(6);
var _createRequest = OpenLayers.Protocol.Script.prototype.createRequest;
var bounds = new OpenLayers.Bounds(1, 2, 3, 4);
var filter = new OpenLayers.Filter.Spatial({
type: OpenLayers.Filter.Spatial.BBOX,
value: bounds,
projection: new OpenLayers.Projection("foo")
});
// log requests
var log, exp;
OpenLayers.Protocol.Script.prototype.createRequest = function(url, params,
callback) {
log.push(params.bbox);
return null;
};
// 1) issue request with default protocol
log = [];
new OpenLayers.Protocol.Script().read({filter: filter});
t.eq(log.length, 1, "1) createRequest called once");
t.ok(log[0] instanceof Array, "1) bbox param is array");
exp = bounds.toArray();
t.eq(log[0], exp, "1) bbox param doesn't include SRS id by default");
// 2) issue request with default protocol
log = [];
new OpenLayers.Protocol.Script({srsInBBOX: true}).read({filter: filter});
t.eq(log.length, 1, "2) createRequest called once");
t.ok(log[0] instanceof Array, "2) bbox param is array");
exp = bounds.toArray();
exp.push("foo");
t.eq(log[0], exp, "2) bbox param includes SRS id if srsInBBOX is true");
OpenLayers.Protocol.Script.prototype.createRequest = _createRequest;
}
function test_createRequest(t) {
t.plan(6);
var protocol = new OpenLayers.Protocol.Script({
callbackKey: 'cb_key',
callbackPrefix: 'cb_prefix:'
});
var _register = OpenLayers.Protocol.Script.register;
OpenLayers.Protocol.Script.register = function() {
return 'bar';
};
var script = protocol.createRequest('http://bar_url/', {'k': 'bar_param'}, 'bar_callback');
t.eq(script.type, 'text/javascript',
'created script has a correct type');
var params = OpenLayers.Util.getParameters(script.src);
t.eq(params.k, "bar_param", "custom query string param");
t.eq(params.cb_key, "cb_prefix:OpenLayers.Protocol.Script.registry.bar", "callback with prefix");
t.eq(script.id, 'OpenLayers_Protocol_Script_bar',
'created script has a correct id');
protocol.callbackTemplate = "customCallback(${id})";
script = protocol.createRequest('http://bar_url/', {'k': 'bar_param2'}, 'bar_callback');
params = OpenLayers.Util.getParameters(script.src);
t.eq(params.k, "bar_param2", "custom query string param");
t.eq(params.cb_key, "cb_prefix:customCallback(bar)", "custom callback with prefix");
OpenLayers.Protocol.Script.register = _register;
}
function test_destroyRequest(t) {
t.plan(2);
var protocol = new OpenLayers.Protocol.Script({});
var _unregister = OpenLayers.Protocol.Script.unregister;
OpenLayers.Protocol.Script.unregister = function(id) {
t.eq(id, 'foo', "destroyRequest calls unregister with correct id");
};
var script = {
id: 'script_foo'
};
protocol.destroyRequest(script);
t.eq(protocol.pendingRequests[script.id], null,
"destroyRequest nullifies the pending request");
OpenLayers.Protocol.Script.unregister = _unregister;
}
function test_handleResponse(t) {
t.plan(8);
var protocol = new OpenLayers.Protocol.Script();
// 2 tests (should be called only twive)
protocol.destroyRequest = function(priv) {
t.eq(priv, 'foo_priv', 'destroyRequest called with correct argument');
}
// 1 test (should be called only once)
protocol.parseFeatures = function(data) {
t.eq(data, 'foo_data', 'parseFeatures called with correct argument');
return 'foo_features';
}
var response = {
priv: 'foo_priv',
data: 'foo_data'
}
var options = {
// 2 tests (should be called twice)
scope: 'foo_scope',
callback: function(resp) {
t.eq(this, 'foo_scope', 'callback called with correct scope');
}
}
protocol.handleResponse(response, options);
// 2 tests
t.eq(response.code, OpenLayers.Protocol.Response.SUCCESS,
'response code correctly set');
t.eq(response.features, 'foo_features',
'response features takes a correct value');
response = {
priv: 'foo_priv'
}
protocol.handleResponse(response, options);
// 1 test
t.eq(response.code, OpenLayers.Protocol.Response.FAILURE,
'response code correctly set');
}
function test_parseFeatures(t) {
t.plan(1);
var protocol = new OpenLayers.Protocol.Script();
protocol.format = {
'read': function(data) {
t.ok(true, 'format.read called');
}
};
var ret = protocol.parseFeatures({foo: 'bar'});
}
function test_abort(t) {
t.plan(2);
var protocol = new OpenLayers.Protocol.Script();
// 1 test
protocol.destroyRequest = function(priv) {
t.eq(priv, 'foo_priv', 'destroyRequest called with correct argument');
}
var response = {
priv: 'foo_priv'
}
protocol.abort(response);
var calls = [];
protocol.pendingRequests = {
'foo': 'foo_request',
'bar': 'bar_request'
}
protocol.destroyRequest = function(priv) {
calls.push(priv);
}
protocol.abort();
// 1 test
t.eq(calls, ['foo_request', 'bar_request'],
'destroyRequest called for each pending requests');
}
</script>
</head>
<body>
</body>
</html>
|
