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Added custom regexps to ASTs that have literal nodes on either side of

symbol nodes.  Fixes #4585
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1 parent bce3b5c commit 8d26f875f70beef3062deb5ded9c5ffcd473d5ac @tenderlove tenderlove committed Jan 24, 2012
Showing with 82 additions and 1 deletion.
  1. +20 −1 actionpack/lib/action_dispatch/routing/route_set.rb
  2. +62 −0 actionpack/test/controller/routing_test.rb
@@ -360,7 +360,26 @@ def build_path(path, requirements, separators, anchor)
SEPARATORS,
anchor)
- Journey::Path::Pattern.new(strexp)
+ pattern = Journey::Path::Pattern.new(strexp)
+
+ builder = Journey::GTG::Builder.new pattern.spec
+
+ # Get all the symbol nodes followed by literals that are not the
+ # dummy node.
+ symbols = pattern.spec.grep(Journey::Nodes::Symbol).find_all { |n|
+ builder.followpos(n).first.literal?
+ }
+
+ # Get all the symbol nodes preceded by literals.
+ symbols.concat pattern.spec.find_all(&:literal?).map { |n|
+ builder.followpos(n).first
+ }.find_all(&:symbol?)
+
+ symbols.each { |x|
+ x.regexp = /(?:#{Regexp.union(x.regexp, '-')})+/
+ }
+
+ pattern
end
private :build_path
@@ -83,6 +83,68 @@ def setup
@response = nil
end
+ def test_symbols_with_dashes
+ rs.draw do
+ match '/:artist/:song-omg', :to => lambda { |env|
+ resp = JSON.dump env[ActionDispatch::Routing::RouteSet::PARAMETERS_KEY]
+ [200, {}, [resp]]
+ }
+ end
+
+ hash = JSON.load get(URI('http://example.org/journey/faithfully-omg'))
+ assert_equal({"artist"=>"journey", "song"=>"faithfully"}, hash)
+ end
+
+ def test_id_with_dash
+ rs.draw do
+ match '/journey/:id', :to => lambda { |env|
+ resp = JSON.dump env[ActionDispatch::Routing::RouteSet::PARAMETERS_KEY]
+ [200, {}, [resp]]
+ }
+ end
+
+ hash = JSON.load get(URI('http://example.org/journey/faithfully-omg'))
+ assert_equal({"id"=>"faithfully-omg"}, hash)
+ end
+
+ def test_dash_with_custom_regexp
+ rs.draw do
+ match '/:artist/:song-omg', :constraints => { :song => /\d+/ }, :to => lambda { |env|
+ resp = JSON.dump env[ActionDispatch::Routing::RouteSet::PARAMETERS_KEY]
+ [200, {}, [resp]]
+ }
+ end
+
+ hash = JSON.load get(URI('http://example.org/journey/123-omg'))
+ assert_equal({"artist"=>"journey", "song"=>"123"}, hash)
+ assert_equal 'Not Found', get(URI('http://example.org/journey/faithfully-omg'))
+ end
+
+ def test_pre_dash
+ rs.draw do
+ match '/:artist/omg-:song', :to => lambda { |env|
+ resp = JSON.dump env[ActionDispatch::Routing::RouteSet::PARAMETERS_KEY]
+ [200, {}, [resp]]
+ }
+ end
+
+ hash = JSON.load get(URI('http://example.org/journey/omg-faithfully'))
+ assert_equal({"artist"=>"journey", "song"=>"faithfully"}, hash)
+ end
+
+ def test_pre_dash_with_custom_regexp
+ rs.draw do
+ match '/:artist/omg-:song', :constraints => { :song => /\d+/ }, :to => lambda { |env|
+ resp = JSON.dump env[ActionDispatch::Routing::RouteSet::PARAMETERS_KEY]
+ [200, {}, [resp]]
+ }
+ end
+
+ hash = JSON.load get(URI('http://example.org/journey/omg-123'))
+ assert_equal({"artist"=>"journey", "song"=>"123"}, hash)
+ assert_equal 'Not Found', get(URI('http://example.org/journey/omg-faithfully'))
+ end
+
def test_regexp_precidence
@rs.draw do
match '/whois/:domain', :constraints => {

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