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feat(ElementInjector): add NgElement

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This commit is contained in:
vsavkin
2014-11-14 10:58:58 -08:00
parent ac8351b7bc
commit d7208b8429
8 changed files with 106 additions and 107 deletions
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modules/core/test/compiler/element_injector_spec.js
+39 -28
View File
@@ -1,10 +1,11 @@
import {describe, ddescribe, it, iit, xit, xdescribe, expect, beforeEach} from 'test_lib/test_lib';
import {isBlank, isPresent, FIELD, IMPLEMENTS} from 'facade/lang';
import {ListWrapper, MapWrapper, List} from 'facade/collection';
import {ProtoElementInjector, VIEW_KEY} from 'core/compiler/element_injector';
import {ProtoElementInjector, PreBuiltObjects} from 'core/compiler/element_injector';
import {Parent, Ancestor} from 'core/annotations/visibility';
import {Injector, Inject, bind} from 'di/di';
import {View} from 'core/compiler/view';
import {NgElement} from 'core/dom/element';
@IMPLEMENTS(View)
class DummyView {}
@@ -60,6 +61,8 @@ class NeedsView {
}
export function main() {
var defaultPreBuiltObjects = new PreBuiltObjects(null, null);
function humanize(tree, names:List) {
var lookupName = (item) =>
ListWrapper.last(
@@ -70,13 +73,14 @@ export function main() {
return [lookupName(tree), children];
}
function injector(bindings, lightDomAppInjector = null, shadowDomAppInjector = null, props = null) {
function injector(bindings, lightDomAppInjector = null, shadowDomAppInjector = null, preBuiltObjects = null) {
if (isBlank(lightDomAppInjector)) lightDomAppInjector = new Injector([]);
if (isBlank(props)) props = {"view": null};
var proto = new ProtoElementInjector(null, 0, bindings, isPresent(shadowDomAppInjector));
var inj = proto.instantiate(null, null, props["view"]);
inj.instantiateDirectives(lightDomAppInjector, shadowDomAppInjector);
var inj = proto.instantiate(null, null);
var preBuilt = isPresent(preBuiltObjects) ? preBuiltObjects : defaultPreBuiltObjects;
inj.instantiateDirectives(lightDomAppInjector, shadowDomAppInjector, preBuilt);
return inj;
}
@@ -84,12 +88,12 @@ export function main() {
var inj = new Injector([]);
var protoParent = new ProtoElementInjector(null, 0, parentBindings);
var parent = protoParent.instantiate(null, null, null);
parent.instantiateDirectives(inj, null);
var parent = protoParent.instantiate(null, null);
parent.instantiateDirectives(inj, null, defaultPreBuiltObjects);
var protoChild = new ProtoElementInjector(protoParent, 1, childBindings);
var child = protoChild.instantiate(parent, null, null);
child.instantiateDirectives(inj, null);
var child = protoChild.instantiate(parent, null);
child.instantiateDirectives(inj, null, defaultPreBuiltObjects);
return child;
}
@@ -99,12 +103,12 @@ export function main() {
var shadowInj = inj.createChild([]);
var protoParent = new ProtoElementInjector(null, 0, hostBindings, true);
var host = protoParent.instantiate(null, null, null);
host.instantiateDirectives(inj, shadowInj);
var host = protoParent.instantiate(null, null);
host.instantiateDirectives(inj, shadowInj, null);
var protoChild = new ProtoElementInjector(protoParent, 0, shadowBindings, false);
var shadow = protoChild.instantiate(null, host, null);
shadow.instantiateDirectives(shadowInj, null);
var shadow = protoChild.instantiate(null, host);
shadow.instantiateDirectives(shadowInj, null, null);
return shadow;
}
@@ -116,9 +120,9 @@ export function main() {
var protoChild1 = new ProtoElementInjector(protoParent, 1, []);
var protoChild2 = new ProtoElementInjector(protoParent, 2, []);
var p = protoParent.instantiate(null, null, null);
var c1 = protoChild1.instantiate(p, null, null);
var c2 = protoChild2.instantiate(p, null, null);
var p = protoParent.instantiate(null, null);
var c1 = protoChild1.instantiate(p, null);
var c2 = protoChild2.instantiate(p, null);
expect(humanize(p, [
[p, 'parent'],
@@ -166,9 +170,9 @@ export function main() {
expect(d.service).toEqual("service");
});
it("should instantiate directives that depend on special objects", function () {
it("should instantiate directives that depend on pre built objects", function () {
var view = new DummyView();
var inj = injector([NeedsView], null, null, {'view':view});
var inj = injector([NeedsView], null, null, new PreBuiltObjects(view, null));
expect(inj.get(NeedsView).view).toBe(view);
});
@@ -258,15 +262,6 @@ export function main() {
expect(() => inj.getAtIndex(10)).toThrowError(
'Index 10 is out-of-bounds.');
});
});
describe("special objects", function () {
it("should return view", function () {
var view = new DummyView();
var inj = injector([], null, null, {"view" : view});
expect(inj.get(View)).toEqual(view);
});
it("should handle cyclic dependencies", function () {
expect(() => {
@@ -275,7 +270,23 @@ export function main() {
bind(B_Needs_A).toFactory((a) => new B_Needs_A(a), [A_Needs_B])
]);
}).toThrowError('Cannot instantiate cyclic dependency! ' +
'(A_Needs_B -> B_Needs_A -> A_Needs_B)');
'(A_Needs_B -> B_Needs_A -> A_Needs_B)');
});
});
describe("pre built objects", function () {
it("should return view", function () {
var view = new DummyView();
var inj = injector([], null, null, new PreBuiltObjects(view, null));
expect(inj.get(View)).toEqual(view);
});
it("should return element", function () {
var element = new NgElement(null);
var inj = injector([], null, null, new PreBuiltObjects(null, element));
expect(inj.get(NgElement)).toEqual(element);
});
});
});