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-rw-r--r--actionpack/CHANGELOG.md4
-rw-r--r--actionpack/lib/action_dispatch/http/url.rb3
-rw-r--r--actionpack/test/dispatch/url_generation_test.rb7
-rw-r--r--actionview/test/template/url_helper_test.rb4
4 files changed, 17 insertions, 1 deletions
diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 4f95a9bab9..833aa48258 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,3 +1,7 @@
+* In url_for, never append a question mark to the URL when the query string
+ is empty anyway. (It used to do that when called like `url_for(controller:
+ 'x', action: 'y', q: {})`.)
+
* Catch invalid UTF-8 querystring values and respond with BadRequest
Check querystring params for invalid UTF-8 characters, and raise an
diff --git a/actionpack/lib/action_dispatch/http/url.rb b/actionpack/lib/action_dispatch/http/url.rb
index 92b10b6d3b..37f41ae988 100644
--- a/actionpack/lib/action_dispatch/http/url.rb
+++ b/actionpack/lib/action_dispatch/http/url.rb
@@ -81,7 +81,8 @@ module ActionDispatch
def add_params(path, params)
params = { params: params } unless params.is_a?(Hash)
params.reject! { |_,v| v.to_param.nil? }
- path << "?#{params.to_query}" unless params.empty?
+ query = params.to_query
+ path << "?#{query}" unless query.empty?
end
def add_anchor(path, anchor)
diff --git a/actionpack/test/dispatch/url_generation_test.rb b/actionpack/test/dispatch/url_generation_test.rb
index fd4ede4d1b..8c9782bb90 100644
--- a/actionpack/test/dispatch/url_generation_test.rb
+++ b/actionpack/test/dispatch/url_generation_test.rb
@@ -129,6 +129,13 @@ module TestUrlGeneration
)
end
+ test "generating URLS with empty querystring" do
+ assert_equal "/bars.json", bars_path(
+ a: {},
+ format: 'json'
+ )
+ end
+
end
end
diff --git a/actionview/test/template/url_helper_test.rb b/actionview/test/template/url_helper_test.rb
index 50b7865f88..b8f4d13812 100644
--- a/actionview/test/template/url_helper_test.rb
+++ b/actionview/test/template/url_helper_test.rb
@@ -38,6 +38,10 @@ class UrlHelperTest < ActiveSupport::TestCase
assert_equal "/?a=b&c=d", url_for(hash_for(a: :b, c: :d))
end
+ def test_url_for_does_not_include_empty_hashes
+ assert_equal "/", url_for(hash_for(a: {}))
+ end
+
def test_url_for_with_back
referer = 'http://www.example.com/referer'
@controller = Struct.new(:request).new(Struct.new(:env).new("HTTP_REFERER" => referer))