discourse/test/javascripts/components/computed_test.js

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module("Discourse.Computed");
var testClass = Em.Object.extend({
same: Discourse.computed.propertyEqual('cookies', 'biscuits'),
diff: Discourse.computed.propertyNotEqual('cookies', 'biscuits'),
exclaimyUsername: Discourse.computed.fmt('username', "!!! %@ !!!"),
multiple: Discourse.computed.fmt('username', 'mood', "%@ is %@"),
userUrl: Discourse.computed.url('username', "/users/%@")
});
test("propertyEqual", function() {
var t = testClass.create({
cookies: 10,
biscuits: 10
});
ok(t.get('same'), "it is true when the properties are the same");
t.set('biscuits', 9);
ok(!t.get('same'), "it isn't true when one property is different");
});
test("propertyNotEqual", function() {
var t = testClass.create({
cookies: 10,
biscuits: 10
});
ok(!t.get('diff'), "it isn't true when the properties are the same");
t.set('biscuits', 9);
ok(t.get('diff'), "it is true when one property is different");
});
test("fmt", function() {
var t = testClass.create({
username: 'eviltrout',
mood: "happy"
});
equal(t.get('exclaimyUsername'), '!!! eviltrout !!!', "it inserts the string");
equal(t.get('multiple'), "eviltrout is happy");
t.set('username', 'codinghorror');
equal(t.get('multiple'), "codinghorror is happy", "supports changing proerties");
t.set('mood', 'ecstatic');
equal(t.get('multiple'), "codinghorror is ecstatic", "supports changing another property");
});
test("url without a prefix", function() {
var t = testClass.create({ username: 'eviltrout' });
equal(t.get('userUrl'), "/users/eviltrout");
});
test("url with a prefix", function() {
Discourse.BaseUri = "/prefixed/";
var t = testClass.create({ username: 'eviltrout' });
equal(t.get('userUrl'), "/prefixed/users/eviltrout");
});