[FEATURE ember-routing-router-service] Cleanup and confirm expected b…

…ehaviors.

* Ensure that `routerService.transitionTo` and `routerService.replaceWith`
  does not elide query params (even the are the default values).
* Update implementation of `routerService.isActive` to handle query params.
* Ensure that the `router:main` injection property into the routerService is
  at `_router`.
* Remove `routerService.currentState`
* Add tests around various query param edge cases with `transitionTo` / `replaceWith`

packages/ember-application/lib/system/application.js

@@ -1045,7 +1045,7 @@ function commonSetupRegistry(registry) {
 
   if (EMBER_ROUTING_ROUTER_SERVICE) {
     registry.register('service:router', RouterService);
-    registry.injection('service:router', 'router', 'router:main');
+    registry.injection('service:router', '_router', 'router:main');
   }
 }
 

packages/ember-routing/lib/services/router.js

@@ -7,10 +7,6 @@ import {
   Service,
   readOnly
 } from 'ember-runtime';
-import {
-  get,
-  isEmpty
-} from 'ember-metal';
 import { assign } from 'ember-utils';
 import RouterDSL from '../system/dsl';
 
@@ -35,12 +31,11 @@ function shallowEqual(a, b) {
    @category ember-routing-router-service
  */
 const RouterService = Service.extend({
-  currentRouteName: readOnly('router.currentRouteName'),
-  currentURL: readOnly('router.currentURL'),
-  currentState: readOnly('router.currentState'),
-  location: readOnly('router.location'),
-  rootURL: readOnly('router.rootURL'),
-  router: null,
+  currentRouteName: readOnly('_router.currentRouteName'),
+  currentURL: readOnly('_router.currentURL'),
+  location: readOnly('_router.location'),
+  rootURL: readOnly('_router.rootURL'),
+  _router: null,
 
   /**
      Transition the application into another route. The route may
@@ -59,8 +54,25 @@ const RouterService = Service.extend({
        attempted transition
      @public
    */
-  transitionTo(/* routeNameOrUrl, ...models, options */) {
-    return this.router.transitionTo(...arguments);
+  transitionTo(...args) {
+    let queryParams;
+    let arg = args[0];
+    if (resemblesURL(arg)) {
+      return this._router._doURLTransition('transitionTo', arg);
+    }
+
+    let possibleQueryParams = args[args.length - 1];
+    if (possibleQueryParams && possibleQueryParams.hasOwnProperty('queryParams')) {
+      queryParams = args.pop().queryParams;
+    } else {
+      queryParams = {};
+    }
+
+    let targetRouteName = args.shift();
+    let transition = this._router._doTransition(targetRouteName, args, queryParams, true);
+    transition._keepDefaultQueryParamValues = true;
+
+    return transition;
   },
 
   /**
@@ -81,13 +93,14 @@ const RouterService = Service.extend({
      @public
    */
   replaceWith(/* routeNameOrUrl, ...models, options */) {
-    return this.router.replaceWith(...arguments);
+    return this.transitionTo(...arguments).method('replace');
   },
 
   /**
      Generate a URL based on the supplied route name.
 
      @method urlFor
+     @category ember-routing-router-service
      @param {String} routeName the name of the route
      @param {...Object} models the model(s) or identifier(s) to be used while
        transitioning to the route.
@@ -97,53 +110,53 @@ const RouterService = Service.extend({
      @public
    */
   urlFor(/* routeName, ...models, options */) {
-    return this.router.generate(...arguments);
+    return this._router.generate(...arguments);
   },
 
   /**
      Determines whether a route is active.
 
-     @method urlFor
+     @method isActive
+     @category ember-routing-router-service
      @param {String} routeName the name of the route
      @param {...Object} models the model(s) or identifier(s) to be used while
        transitioning to the route.
      @param {Object} [options] optional hash with a queryParams property
        containing a mapping of query parameters
-     @return {String} the string representing the generated URL
+     @return {boolean} true if the provided routeName/models/queryParams are active
      @public
    */
   isActive(/* routeName, ...models, options */) {
-    if (!this.router.isActive(...arguments)) { return false; }
-debugger;
     let { routeName, models, queryParams } = this._extractArguments(...arguments);
-    let emptyQueryParams = Object.keys(queryParams).length;
+    let routerMicrolib = this._router._routerMicrolib;
+    let state = routerMicrolib.state;
 
-    if (!emptyQueryParams) {
-      let visibleQueryParams = {};
-      assign(visibleQueryParams, queryParams);
+    if (!routerMicrolib.isActiveIntent(routeName, models, null)) { return false; }
+    let hasQueryParams = Object.keys(queryParams).length > 0;
 
-      this.router._prepareQueryParams(routeName, models, visibleQueryParams);
-      return shallowEqual(visibleQueryParams, queryParams);
+    if (hasQueryParams) {
+      this._router._prepareQueryParams(routeName, models, queryParams, true /* fromRouterService */);
+      return shallowEqual(queryParams, state.queryParams);
     }
 
     return true;
   },
 
-  _extractArguments(...args) {
-    let routeName;
-    let models;
+  _extractArguments(routeName, ...models) {
     let possibleQueryParams = args[args.length - 1];
     let queryParams = {};
 
     if (possibleQueryParams && possibleQueryParams.hasOwnProperty('queryParams')) {
-      queryParams = args.pop().queryParams;
+      let options = models.pop();
+      queryParams = options.queryParams;
     }
 
-    routeName = args.shift();
-    models = args;
-
     return { routeName, models, queryParams };
   }
 });
 
+function resemblesURL(str) {
+  return typeof str === 'string' && (str === '' || str[0] === '/');
+}
+
 export default RouterService;

packages/ember-routing/lib/system/route.js

@@ -873,7 +873,7 @@ let Route = EmberObject.extend(ActionHandler, Evented, {
         qp.serializedValue = svalue;
 
         let thisQueryParamHasDefaultValue = (qp.serializedDefaultValue === svalue);
-        if (!thisQueryParamHasDefaultValue) {
+        if (!thisQueryParamHasDefaultValue || transition._keepDefaultQueryParamValues) {
           finalParams.push({
             value: svalue,
             visible: true,

packages/ember-routing/lib/system/router.js

@@ -767,7 +767,7 @@ const EmberRouter = EmberObject.extend(Evented, {
     }
   },
 
-  _doTransition(_targetRouteName, models, _queryParams) {
+  _doTransition(_targetRouteName, models, _queryParams, _keepDefaultQueryParamValues) {
     let targetRouteName = _targetRouteName || getActiveTargetName(this._routerMicrolib);
     assert(`The route ${targetRouteName} was not found`, targetRouteName && this._routerMicrolib.hasRoute(targetRouteName));
 
@@ -776,7 +776,7 @@ const EmberRouter = EmberObject.extend(Evented, {
     this._processActiveTransitionQueryParams(targetRouteName, models, queryParams, _queryParams);
 
     assign(queryParams, _queryParams);
-    this._prepareQueryParams(targetRouteName, models, queryParams);
+    this._prepareQueryParams(targetRouteName, models, queryParams, _keepDefaultQueryParamValues);
 
     let transitionArgs = routeArgs(targetRouteName, models, queryParams);
     let transition = this._routerMicrolib.transitionTo(...transitionArgs);
@@ -817,13 +817,17 @@ const EmberRouter = EmberObject.extend(Evented, {
     @param {String} targetRouteName
     @param {Array<Object>} models
     @param {Object} queryParams
+    @param {boolean} keepDefaultQueryParamValues
     @return {Void}
   */
-  _prepareQueryParams(targetRouteName, models, queryParams) {
+  _prepareQueryParams(targetRouteName, models, queryParams, _fromRouterService) {
     let state = calculatePostTransitionState(this, targetRouteName, models);
-    this._hydrateUnsuppliedQueryParams(state, queryParams);
+    this._hydrateUnsuppliedQueryParams(state, queryParams, _fromRouterService);
     this._serializeQueryParams(state.handlerInfos, queryParams);
-    this._pruneDefaultQueryParamValues(state.handlerInfos, queryParams);
+
+    if (!_fromRouterService) {
+      this._pruneDefaultQueryParamValues(state.handlerInfos, queryParams);
+    }
   },
 
   /**
@@ -945,7 +949,7 @@ const EmberRouter = EmberObject.extend(Evented, {
     @param {Object} queryParams
     @return {Void}
   */
-  _hydrateUnsuppliedQueryParams(state, queryParams) {
+  _hydrateUnsuppliedQueryParams(state, queryParams, _fromRouterService) {
     let handlerInfos = state.handlerInfos;
     let appCache = this._bucketCache;
 
@@ -955,12 +959,27 @@ const EmberRouter = EmberObject.extend(Evented, {
       if (!qpMeta) { continue; }
 
       for (let j = 0, qpLen = qpMeta.qps.length; j < qpLen; ++j) {
-        let qp = qpMeta.qps[j];
+        var qp = qpMeta.qps[j];
 
-        let presentProp = qp.prop in queryParams && qp.prop ||
+        var presentProp = qp.prop in queryParams && qp.prop ||
                           qp.scopedPropertyName in queryParams && qp.scopedPropertyName ||
                           qp.urlKey in queryParams && qp.urlKey;
 
+        assert(
+          `You passed the \`${presentProp}\` query parameter during a transition into ${qp.route.routeName}, please update to ${qp.urlKey}`,
+          (function() {
+            if (qp.urlKey === presentProp) {
+              return true;
+            }
+
+            if (_fromRouterService) {
+              return false;
+            }
+
+            return true;
+          })()
+        );
+
         if (presentProp) {
           if (presentProp !== qp.scopedPropertyName) {
             queryParams[qp.scopedPropertyName] = queryParams[presentProp];

packages/ember-routing/lib/system/router_state.js

@@ -8,7 +8,6 @@ export default EmberObject.extend({
   routerJsState: null,
 
   isActiveIntent(routeName, models, queryParams, queryParamsMustMatch) {
-    debugger;
     let state = this.routerJsState;
     if (!this.routerJs.isActiveIntent(routeName, models, null, state)) { return false; }