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* `url_for` does not modify polymorphic optionsBernerd Schaefer2015-09-041-1/+2
| | | | | | | | | | | | | | | | | The `url_for` methods in `actionpack` and `actionview` now make a copy of the provided options before generating polymorphic paths or URLs. The bug in the previous behavior is most noticeable in a case like: url_options = [:new, :post, param: 'value'] if current_page?(url_options) css_class = "active" end link_to "New Post", url_options, class: css_class
* Remove not used requiresMarcin Olichwirowicz2015-09-011-3/+1
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* provide a request and response to all controllersAaron Patterson2015-08-251-4/+6
| | | | | | | | | | Controllers should always have a request and response when responding. Since we make this The Rule(tm), then controllers don't need to be somewhere in limbo between "asking a response object for a rack response" or "I, myself contain a rack response". This duality leads to conditionals spread through the codebase that we can delete: * https://github.com/rails/rails/blob/85a78d9358aa728298cd020cdc842b55c16f9549/actionpack/lib/action_controller/metal.rb#L221-L223
* adding a direct dispatch method to controller classesAaron Patterson2015-08-251-1/+1
| | | | This saves a lambda and request allocation on each request.
* always dispatch to controllers the same wayAaron Patterson2015-08-252-7/+25
| | | | | controllers should always go through the `action` class method so that their middleware is respected.
* always return a controller class from the `controller_class` methodAaron Patterson2015-08-251-3/+1
| | | | | now the caller can just treat it like a regular controller even though it will return a 404
* pull up dispatcher allocationAaron Patterson2015-08-242-5/+1
| | | | | the dispatcher class isn't configurable anymore, so pull up allocation to the method that needs it.
* directly ask the request for the controller classAaron Patterson2015-08-241-6/+1
| | | | | | Now that we don't have subclasses depending on this method (they augment the request class instead of the dispatch class) we can remove this method and directly ask the request object for the controller class
* remove useless ivarAaron Patterson2015-08-241-2/+1
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* remove setter for the dispatcher classAaron Patterson2015-08-241-2/+2
| | | | we don't need it anymore. We always use the same dispatcher in tests.
* use a custom request class to determine the controller classAaron Patterson2015-08-241-2/+7
| | | | | | controller class resolution has been moved to the request object, so we should override that method instead of relying on the RouteSet to generate the controller class.
* Remove unused block argumentsdeepj2015-08-231-2/+2
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* Fix Railties test failure for asset routeseileencodes2015-08-221-1/+5
| | | | | | | | | Since none of the action pack tests failed without this conditional it didn't seem necessary. This fixes the build because it correctly returns a 404 instead of a 500 for the asset routes test. Test that was failing was in the `assets_test.rb` file and was the test named `test_assets_routes_are_not_drawn_when_compilation_is_disabled`.
* Refactor to remove controller class from route to requesteileencodes2015-08-221-40/+8
| | | | | | | | | | This refactoring moves the controller class name that was on the route set to the request. The purpose of this refactoring is for changes we need to move controller tests to integration tests, mainly being able to access the controller on the request instead of having to go through the router. [Eileen M. Uchitelle & Aaron Patterson]
* Remove unnecessary cachingeileencodes2015-08-211-5/+1
| | | | | | | `ActiveSupport::Dependencies.constantize(const_name)` calls `Reference.new` which is defined as `ActiveSupport::Dependencies.constantize(const_name)` meaning this call is already cached and we're doing caching that isn't necessary.
* set route precedence at allocation timeAaron Patterson2015-08-201-2/+2
| | | | This way we can make the Route object a read-only data structure.
* make the routes reader privateAaron Patterson2015-08-181-0/+1
| | | | | nobody should be touching the routes hash without going through the NamedRouteCollection object.
* don't touch internalsAaron Patterson2015-08-181-1/+1
| | | | | We shouldn't be messing with the NamedRouteCollection internals. Just ask the object if the named route is in there.
* drop array allocations when building pathsAaron Patterson2015-08-181-8/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ```ruby require 'action_pack' require 'action_dispatch' require 'benchmark/ips' route_set = ActionDispatch::Routing::RouteSet.new routes = ActionDispatch::Routing::Mapper.new route_set ObjectSpace::AllocationTracer.setup(%i{path line type}) result = ObjectSpace::AllocationTracer.trace do 500.times do routes.resources :foo end end sorted = ObjectSpace::AllocationTracer.allocated_count_table.sort_by(&:last) sorted.each do |k,v| next if v == 0 p k => v end __END__ Before: {:T_SYMBOL=>11} {:T_REGEXP=>17} {:T_STRUCT=>6500} {:T_MATCH=>12004} {:T_OBJECT=>99009} {:T_DATA=>100088} {:T_HASH=>122015} {:T_STRING=>159637} {:T_IMEMO=>363134} {:T_ARRAY=>433056} After: {:T_SYMBOL=>11} {:T_REGEXP=>17} {:T_STRUCT=>6500} {:T_MATCH=>12004} {:T_OBJECT=>91009} {:T_DATA=>100088} {:T_HASH=>114013} {:T_STRING=>159637} {:T_ARRAY=>321056} {:T_IMEMO=>351133} ```
* use the strategy pattern to match request verbsAaron Patterson2015-08-171-10/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than building a regexp for every route, lets use the strategy pattern to select among objects that can match HTTP verbs. This commit introduces strategy objects for each verb that has a predicate method on the request object like `get?`, `post?`, etc. When we build the route object, look up the strategy for the verbs the user specified. If we can't find it, fall back on string matching. Using a strategy / null object pattern (the `All` VerbMatcher is our "null" object in this case) we can: 1) Remove conditionals 2) Drop boot time allocations 2) Drop run time allocations 3) Improve runtime performance Here is our boot time allocation benchmark: ```ruby require 'action_pack' require 'action_dispatch' route_set = ActionDispatch::Routing::RouteSet.new routes = ActionDispatch::Routing::Mapper.new route_set result = ObjectSpace::AllocationTracer.trace do 500.times do routes.resources :foo end end sorted = ObjectSpace::AllocationTracer.allocated_count_table.sort_by(&:last) sorted.each do |k,v| next if v == 0 p k => v end __END__ Before: $ be ruby -rallocation_tracer route_test.rb {:T_SYMBOL=>11} {:T_REGEXP=>4017} {:T_STRUCT=>6500} {:T_MATCH=>12004} {:T_DATA=>84092} {:T_OBJECT=>99009} {:T_HASH=>122015} {:T_STRING=>216652} {:T_IMEMO=>355137} {:T_ARRAY=>441057} After: $ be ruby -rallocation_tracer route_test.rb {:T_SYMBOL=>11} {:T_REGEXP=>17} {:T_STRUCT=>6500} {:T_MATCH=>12004} {:T_DATA=>84092} {:T_OBJECT=>99009} {:T_HASH=>122015} {:T_STRING=>172647} {:T_IMEMO=>355136} {:T_ARRAY=>433056} ``` This benchmark adds 500 resources. Each resource has 8 routes, so it adds 4000 routes. You can see from the results that this patch eliminates 4000 Regexp allocations, ~44000 String allocations, and ~8000 Array allocations. With that, we can figure out that the previous code would allocate 1 regexp, 11 strings, and 2 arrays per route *more* than this patch in order to handle verb matching. Next lets look at runtime allocations: ```ruby require 'action_pack' require 'action_dispatch' require 'benchmark/ips' route_set = ActionDispatch::Routing::RouteSet.new routes = ActionDispatch::Routing::Mapper.new route_set routes.resources :foo route = route_set.routes.first request = ActionDispatch::Request.new("REQUEST_METHOD" => "GET") result = ObjectSpace::AllocationTracer.trace do 500.times do route.matches? request end end sorted = ObjectSpace::AllocationTracer.allocated_count_table.sort_by(&:last) sorted.each do |k,v| next if v == 0 p k => v end __END__ Before: $ be ruby -rallocation_tracer route_test.rb {:T_MATCH=>500} {:T_STRING=>501} {:T_IMEMO=>1501} After: $ be ruby -rallocation_tracer route_test.rb {:T_IMEMO=>1001} ``` This benchmark runs 500 calls against the `matches?` method on the route object. We check this method in the case that there are two methods that match the same path, but they are differentiated by the verb (or other conditionals). For example `POST /users` vs `GET /users`, same path, different action. Previously, we were using regexps to match against the verb. You can see that doing the regexp match would allocate 1 match object and 1 string object each time it was called. This patch eliminates those allocations. Next lets look at runtime performance. ```ruby require 'action_pack' require 'action_dispatch' require 'benchmark/ips' route_set = ActionDispatch::Routing::RouteSet.new routes = ActionDispatch::Routing::Mapper.new route_set routes.resources :foo route = route_set.routes.first match = ActionDispatch::Request.new("REQUEST_METHOD" => "GET") no_match = ActionDispatch::Request.new("REQUEST_METHOD" => "POST") Benchmark.ips do |x| x.report("match") do route.matches? match end x.report("no match") do route.matches? no_match end end __END__ Before: $ be ruby -rallocation_tracer runtime.rb Calculating ------------------------------------- match 17.145k i/100ms no match 24.244k i/100ms ------------------------------------------------- match 259.708k (± 4.3%) i/s - 1.303M no match 453.376k (± 5.9%) i/s - 2.279M After: $ be ruby -rallocation_tracer runtime.rb Calculating ------------------------------------- match 23.958k i/100ms no match 29.402k i/100ms ------------------------------------------------- match 465.063k (± 3.8%) i/s - 2.324M no match 691.956k (± 4.5%) i/s - 3.469M ``` This tests tries to see how many times it can match a request per second. Switching to method calls and string comparison makes the successful match case about 79% faster, and the unsuccessful case about 52% faster. That was fun!
* switch Route constructors and pass in the regexpAaron Patterson2015-08-171-9/+15
| | | | | We don't need to add and delete from the conditions hash anymore, just pass the regexp directly to the constructor.
* introduce an alternate constructor for Route objectsAaron Patterson2015-08-171-1/+1
| | | | | I want to change the real constructor to take a particular parameter for matching the request method
* default pattern to use a joined stringAaron Patterson2015-08-171-1/+3
| | | | | The string we create is almost always the same, so rather than joining all the time, lets join once, then reuse that string everywhere.
* move route allocation to a factory method on the mapping objectAaron Patterson2015-08-151-0/+12
| | | | | | I would like to change the signature of the Route constructor. Since the mapping object has all the data required to construct a Route object, move the allocation to a factory method.
* only process `via` onceAaron Patterson2015-08-151-5/+3
| | | | | we can directly turn it in to a regular expression here, so we don't need to test its value twice
* only keep one hash of named routesAaron Patterson2015-08-141-1/+2
| | | | | The outer router object already keeps a hash of named routes, so we should just use that.
* rm add_route2Aaron Patterson2015-08-141-1/+1
| | | | | refactor the tests with a backwards compatible method call so we can rm add_route2 from the journey router
* pass pass the mapping object down the add_route stackAaron Patterson2015-08-142-53/+60
| | | | | then we can let the mapping object derive stuff that the Route object needs.
* pass the mapping object to build_routeAaron Patterson2015-08-142-10/+10
| | | | | now that we aren't doing options manipulations, we can just pass the mapping object down and read values from it.
* remove `process_path`Aaron Patterson2015-08-141-6/+2
| | | | | since we've extracted the `to` initialization, there's no need for `process_path`
* explicitly return nil from `get_to_from_path`Aaron Patterson2015-08-141-3/+3
| | | | | | if `to` was initialized, this method would return, so we can eliminate the to ||= in the conditional. Finally, let's return a nil in the else block so that it's explicit that this method can return nil
* extract method on determining :to from the pathAaron Patterson2015-08-141-5/+9
| | | | Eventually we'll pull this up and delete `process_path`.
* deprecate passing a string for both the beginning path and :path optionAaron Patterson2015-08-141-1/+16
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* rm path_params methodAaron Patterson2015-08-141-5/+1
| | | | | | We don't need a method for something like this. I want to pull this up the stack as well and move the module + :controller ArgumentError up the stack as well
* extract method on wildcard path parameter handlingAaron Patterson2015-08-141-6/+11
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* pass the path ast downAaron Patterson2015-08-142-5/+3
| | | | | now we don't need to add it to a hash and delete it from the hash later just to pass it around
* pull up path parsingAaron Patterson2015-08-141-10/+6
| | | | | `add_route` needs the AST, so rather than shove it in a hash and delete later, lets move parsing up the stack so we can pass down later
* stop adding path_info to the conditions hashAaron Patterson2015-08-142-2/+0
| | | | we don't need to keep adding it and deleting if from hashes.
* pull up path normalization.Aaron Patterson2015-08-141-18/+18
| | | | | Eventually I want to pull up AST generation so that we don't have to add it to the `conditions` hash.
* `build_path` doesn't need the path variable anymoreAaron Patterson2015-08-131-2/+2
| | | | | It just constructs a Path::Pattern object with the AST that it already has
* remove StrexpAaron Patterson2015-08-131-7/+1
| | | | | This was a useless object. We can just directly construct a Path::Pattern object without a Strexp object.
* pass anchor directly to `Pattern`Aaron Patterson2015-08-131-3/+2
| | | | | the caller already has it, there is no reason to pack it in to an object and just throw that object away.
* we already have access to the AST, so just use itAaron Patterson2015-08-131-3/+3
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* remove default arguments that aren't usedAaron Patterson2015-08-131-1/+1
| | | | | we always pass all parameters, so there is no reason to provide default arguments.
* pull up options_constrants extractionAaron Patterson2015-08-131-16/+15
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* remove `as`Aaron Patterson2015-08-131-8/+7
| | | | the caller already has access to `as`, so we can stop passing it around.
* remove anchor from mappingAaron Patterson2015-08-131-8/+7
| | | | | | the same value that is extracted from the options hash earlier is returned, so we don't need to pass it in in the first place. The caller already has the data, so stop passing it around.
* pull `anchor` extraction upAaron Patterson2015-08-131-17/+16
| | | | | this way we don't have to mutate the options hash so far away from where the user passed it in
* raise if `anchor` is passed to `scope`Aaron Patterson2015-08-131-0/+4
| | | | | | The `anchor` parameter [is overridden](https://github.com/rails/rails/blob/b4b4a611d0eb9aa1c640c5f521c6a43bf2a65bab/actionpack/lib/action_dispatch/routing/mapper.rb#L1528) unless it is directly passed to `match`, so setting it in a scope must be a mistake.
* remove the `add_request_method` methodAaron Patterson2015-08-121-7/+3
| | | | | I didn't like this method because it mutates the parameters. Now that the method is so small, just push it up to `initialize`
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