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phorge/externals/javelinjs/src/lib/__tests__/behavior.js
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behavior.js
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/**
* @requires javelin-behavior
*/
describe('Javelin Behaviors', function() {
beforeEach(function() {
// Don't try this at home, kids.
JX.behavior._behaviors = {};
JX.behavior._initialized = {};
JX.behavior._statics = {};
});
it('JX.behavior should not work with clowny names', function() {
ensure__DEV__(true, function() {
expect(function() {
JX.behavior('toString', function() {});
}).toThrow();
});
});
it('JX.initBehavior should pass a config object', function() {
var called = false;
var config = 'no-value';
JX.behavior('my-behavior', function(cfg) {
called = true;
config = cfg;
});
JX.initBehaviors({});
expect(called).toBe(false);
expect(config).toEqual('no-value');
called = false;
config = null;
JX.initBehaviors({ 'my-behavior': [] });
expect(called).toBe(true);
expect(config).toBeNull();
called = false;
config = null;
JX.initBehaviors({ 'my-behavior': ['foo'] });
expect(called).toBe(true);
expect(config).toEqual('foo');
});
it('JX.initBehavior should init a behavior with no config once', function() {
var count = 0;
JX.behavior('foo', function() {
count++;
});
JX.initBehaviors({ 'foo': [] });
expect(count).toEqual(1);
JX.initBehaviors({ 'foo': [] });
expect(count).toEqual(1);
JX.initBehaviors({ 'foo': ['test'] });
expect(count).toEqual(2);
});
it('Behavior statics should persist across behavior invocations', function() {
var expect_value;
var asserted = 0;
JX.behavior('static-test', function(config, statics) {
statics.value = (statics.value || 0) + 1;
expect(statics.value).toBe(expect_value);
asserted++;
});
expect_value = 1;
JX.initBehaviors({'static-test' : [{ hog : 0 }]});
expect_value = 2;
JX.initBehaviors({'static-test' : [{ hog : 0 }]});
// Test that we actually invoked the behavior.
expect(asserted).toBe(2);
});
it('should throw for undefined behaviors', function() {
var called;
JX.behavior('can-haz', function() {
called = true;
});
expect(function() {
JX.initBehaviors({
'no-can-haz': [],
'can-haz': [],
'i-fail': []
});
}).toThrow();
expect(called).toBe(true);
});
});

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