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Move to_param to to_query, also Improve tests

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commit c420a8daf58cc1544a89ec1cec67005e1c654ad8 1 parent 3681e1a
@akshay-vishnoi akshay-vishnoi authored
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61 activesupport/lib/active_support/core_ext/object/to_param.rb
@@ -1,60 +1 @@
-class Object
- # Alias of <tt>to_s</tt>.
- def to_param
- to_s
- end
-end
-
-class NilClass
- # Returns +self+.
- def to_param
- self
- end
-end
-
-class TrueClass
- # Returns +self+.
- def to_param
- self
- end
-end
-
-class FalseClass
- # Returns +self+.
- def to_param
- self
- end
-end
-
-class Array
- # Calls <tt>to_param</tt> on all its elements and joins the result with
- # slashes. This is used by <tt>url_for</tt> in Action Pack.
- def to_param
- collect { |e| e.to_param }.join '/'
- end
-end
-
-class Hash
- # Returns a string representation of the receiver suitable for use as a URL
- # query string:
- #
- # {name: 'David', nationality: 'Danish'}.to_param
- # # => "name=David&nationality=Danish"
- #
- # An optional namespace can be passed to enclose the param names:
- #
- # {name: 'David', nationality: 'Danish'}.to_param('user')
- # # => "user[name]=David&user[nationality]=Danish"
- #
- # The string pairs "key=value" that conform the query string
- # are sorted lexicographically in ascending order.
- #
- # This method is also aliased as +to_query+.
- def to_param(namespace = nil)
- collect do |key, value|
- unless (value.is_a?(Hash) || value.is_a?(Array)) && value.empty?
- value.to_query(namespace ? "#{namespace}[#{key}]" : key)
- end
- end.compact.sort! * '&'
- end
-end
+require 'active_support/core_ext/object/to_query'
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64 activesupport/lib/active_support/core_ext/object/to_query.rb
@@ -1,17 +1,46 @@
-require 'active_support/core_ext/object/to_param'
require 'cgi'
class Object
- # Converts an object into a string suitable for use as a URL query string, using the given <tt>key</tt> as the
- # param name.
- #
- # Note: This method is defined as a default implementation for all Objects for Hash#to_query to work.
+ # Alias of <tt>to_s</tt>.
+ def to_param
+ to_s
+ end
+
+ # Converts an object into a string suitable for use as a URL query string,
+ # using the given <tt>key</tt> as the param name.
def to_query(key)
"#{CGI.escape(key.to_param)}=#{CGI.escape(to_param.to_s)}"
end
end
+class NilClass
+ # Returns +self+.
+ def to_param
+ self
+ end
+end
+
+class TrueClass
+ # Returns +self+.
+ def to_param
+ self
+ end
+end
+
+class FalseClass
+ # Returns +self+.
+ def to_param
+ self
+ end
+end
+
class Array
+ # Calls <tt>to_param</tt> on all its elements and joins the result with
+ # slashes. This is used by <tt>url_for</tt> in Action Pack.
+ def to_param
+ collect { |e| e.to_param }.join '/'
+ end
+
# Converts an array into a string suitable for use as a URL query string,
# using the given +key+ as the param name.
#
@@ -28,5 +57,28 @@ def to_query(key)
end
class Hash
- alias_method :to_query, :to_param
+ # Returns a string representation of the receiver suitable for use as a URL
+ # query string:
+ #
+ # {name: 'David', nationality: 'Danish'}.to_query
+ # # => "name=David&nationality=Danish"
+ #
+ # An optional namespace can be passed to enclose key names:
+ #
+ # {name: 'David', nationality: 'Danish'}.to_query('user')
+ # # => "user%5Bname%5D=David&user%5Bnationality%5D=Danish"
+ #
+ # The string pairs "key=value" that conform the query string
+ # are sorted lexicographically in ascending order.
+ #
+ # This method is also aliased as +to_param+.
+ def to_query(namespace = nil)
+ collect do |key, value|
+ unless (value.is_a?(Hash) || value.is_a?(Array)) && value.empty?
+ value.to_query(namespace ? "#{namespace}[#{key}]" : key)
+ end
+ end.compact.sort! * '&'
+ end
+
+ alias_method :to_param, :to_query
end
View
12 activesupport/test/core_ext/object/to_param_test.rb
@@ -16,4 +16,16 @@ def test_boolean
assert_equal true, true.to_param
assert_equal false, false.to_param
end
+
+ def test_array
+ # Empty Array
+ assert_equal '', [].to_param
+
+ array = [1, 2, 3, 4]
+ assert_equal "1/2/3/4", array.to_param
+
+ # Array of different objects
+ array = [1, '3', { a: 1, b: 2 }, nil, true, false]
+ assert_equal "1/3/a=1&b=2//true/false", array.to_param
+ end
end
View
10 activesupport/test/core_ext/object/to_query_test.rb
@@ -61,6 +61,16 @@ def test_nested_empty_hash
{a: [], b: 3}
end
+ def test_hash_with_namespace
+ hash = { name: 'Nakshay', nationality: 'Indian' }
+ assert_equal "user%5Bname%5D=Nakshay&user%5Bnationality%5D=Indian", hash.to_query('user')
+ end
+
+ def test_hash_sorted_lexicographically
+ hash = { type: 'human', name: 'Nakshay' }
+ assert_equal "name=Nakshay&type=human", hash.to_query
+ end
+
private
def assert_query_equal(expected, actual)
assert_equal expected.split('&'), actual.to_query.split('&')
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