refactor(router): reuse existing segmentes when constructing new route trees

This commit is contained in:
vsavkin
2016-05-04 14:43:24 -07:00
parent b8136cc26e
commit abfb522f83
5 changed files with 94 additions and 79 deletions

View File

@ -15,15 +15,17 @@ import {
import {recognize} from '../src/recognize';
import {Routes, Route} from '@angular/router';
import {provide, Component, ComponentResolver} from '@angular/core';
import {UrlSegment, RouteTree, UrlTree} from '../src/segments';
import {UrlSegment, RouteTree, UrlTree, createEmptyRouteTree} from '../src/segments';
import {DefaultRouterUrlSerializer} from '../src/router_url_serializer';
import {DEFAULT_OUTLET_NAME} from '../src/constants';
export function main() {
describe('recognize', () => {
let emptyRouteTree = createEmptyRouteTree(ComponentA);
it('should handle position args',
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("b/paramB/c/paramC/d"))
recognize(resolver, ComponentA, tree("b/paramB/c/paramC/d"), emptyRouteTree)
.then(r => {
let a = r.root;
expect(stringifyUrl(a.urlSegments)).toEqual([""]);
@ -47,7 +49,7 @@ export function main() {
it('should support empty routes',
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("f"))
recognize(resolver, ComponentA, tree("f"), emptyRouteTree)
.then(r => {
let a = r.root;
expect(stringifyUrl(a.urlSegments)).toEqual([""]);
@ -67,7 +69,7 @@ export function main() {
it('should handle aux routes',
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("b/paramB(/d//right:d)"))
recognize(resolver, ComponentA, tree("b/paramB(/d//right:d)"), emptyRouteTree)
.then(r => {
let c = r.children(r.root);
expect(stringifyUrl(c[0].urlSegments)).toEqual(["b", "paramB"]);
@ -88,7 +90,7 @@ export function main() {
it("should error when two segments with the same outlet name",
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("b/paramB(right:d//right:e)"))
recognize(resolver, ComponentA, tree("b/paramB(right:d//right:e)"), emptyRouteTree)
.catch(e => {
expect(e.message).toEqual(
"Two segments cannot have the same outlet name: 'right:d' and 'right:e'.");
@ -98,7 +100,7 @@ export function main() {
it('should handle nested aux routes',
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("b/paramB(/d(right:e))"))
recognize(resolver, ComponentA, tree("b/paramB(/d(right:e))"), emptyRouteTree)
.then(r => {
let c = r.children(r.root);
expect(stringifyUrl(c[0].urlSegments)).toEqual(["b", "paramB"]);
@ -119,7 +121,7 @@ export function main() {
it('should handle non top-level aux routes',
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree('b/paramB/d(e)'))
recognize(resolver, ComponentA, tree('b/paramB/d(e)'), emptyRouteTree)
.then(r => {
let c = r.children(r.firstChild(r.root));
expect(stringifyUrl(c[0].urlSegments)).toEqual(["d"]);
@ -136,7 +138,7 @@ export function main() {
it('should handle matrix parameters',
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("b/paramB;b1=1;b2=2(/d;d1=1;d2=2)"))
recognize(resolver, ComponentA, tree("b/paramB;b1=1;b2=2(/d;d1=1;d2=2)"), emptyRouteTree)
.then(r => {
let c = r.children(r.root);
expect(c[0].parameters).toEqual({'b': 'paramB', 'b1': '1', 'b2': '2'});
@ -148,7 +150,7 @@ export function main() {
it('should match a wildcard',
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentG, tree("a;aa=1/b;bb=2"))
recognize(resolver, ComponentG, tree("a;aa=1/b;bb=2"), emptyRouteTree)
.then(r => {
let c = r.children(r.root);
expect(c.length).toEqual(1);
@ -161,7 +163,7 @@ export function main() {
it('should error when no matching routes',
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("invalid"))
recognize(resolver, ComponentA, tree("invalid"), emptyRouteTree)
.catch(e => {
expect(e.message).toContain("Cannot match any routes");
async.done();
@ -170,7 +172,7 @@ export function main() {
it('should handle no matching routes (too short)',
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("b"))
recognize(resolver, ComponentA, tree("b"), emptyRouteTree)
.catch(e => {
expect(e.message).toContain("Cannot match any routes");
async.done();
@ -179,13 +181,27 @@ export function main() {
it("should error when a component doesn't have @Routes",
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("d/invalid"))
recognize(resolver, ComponentA, tree("d/invalid"), emptyRouteTree)
.catch(e => {
expect(e.message)
.toEqual("Component 'ComponentD' does not have route configuration");
async.done();
});
}));
it("should reuse existing segments",
inject([AsyncTestCompleter, ComponentResolver], (async, resolver) => {
recognize(resolver, ComponentA, tree("/b/1/d"), emptyRouteTree).then(t1 => {
recognize(resolver, ComponentA, tree("/b/1/e"), t1).then(t2 => {
expect(t1.root).toBe(t2.root);
expect(t1.firstChild(t1.root)).toBe(t2.firstChild(t2.root));
expect(t1.firstChild(t1.firstChild(t1.root))).not.toBe(
t2.firstChild(t2.firstChild(t2.root)));
async.done();
});
});
}));
});
}