From 176c386409fd57bc03b9ebf1570a8955e21e0800 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elomar=20Fran=C3=A7a?= <elomar@maisweb.org>
Date: Tue, 22 Jun 2010 19:50:15 -0300
Subject: Fix bug where ActiveResource::HttpMock would overwrite
 Accept/Content-Type header to application/xml [#4939 state:resolved]
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Signed-off-by: José Valim <jose.valim@gmail.com>
---
 activeresource/lib/active_resource/http_mock.rb | 16 +++++-
 activeresource/test/cases/http_mock_test.rb     | 71 +++++++++++++++++++++++++
 2 files changed, 85 insertions(+), 2 deletions(-)
 create mode 100644 activeresource/test/cases/http_mock_test.rb

(limited to 'activeresource')

diff --git a/activeresource/lib/active_resource/http_mock.rb b/activeresource/lib/active_resource/http_mock.rb
index 1ed3804017..f192c53b4f 100644
--- a/activeresource/lib/active_resource/http_mock.rb
+++ b/activeresource/lib/active_resource/http_mock.rb
@@ -148,16 +148,28 @@ module ActiveResource
     attr_accessor :path, :method, :body, :headers
 
     def initialize(method, path, body = nil, headers = {})
-      @method, @path, @body, @headers = method, path, body, headers.merge(ActiveResource::Connection::HTTP_FORMAT_HEADER_NAMES[method] => 'application/xml')
+      @method, @path, @body, @headers = method, path, body, headers
     end
 
     def ==(req)
-      path == req.path && method == req.method && headers == req.headers
+      path == req.path && method == req.method && headers_match?(req)
     end
 
     def to_s
       "<#{method.to_s.upcase}: #{path} [#{headers}] (#{body})>"
     end
+
+    private
+
+    def headers_match?(req)
+      # Ignore format header on equality if it's not defined
+      format_header = ActiveResource::Connection::HTTP_FORMAT_HEADER_NAMES[method]
+      if headers[format_header].present? || req.headers[format_header].blank?
+        headers == req.headers
+      else
+        headers.dup.merge(format_header => req.headers[format_header]) == req.headers
+      end
+    end
   end
 
   class Response
diff --git a/activeresource/test/cases/http_mock_test.rb b/activeresource/test/cases/http_mock_test.rb
new file mode 100644
index 0000000000..5e032d03f1
--- /dev/null
+++ b/activeresource/test/cases/http_mock_test.rb
@@ -0,0 +1,71 @@
+require 'abstract_unit'
+
+class HttpMockTest < ActiveSupport::TestCase
+  setup do
+    @http = ActiveResource::HttpMock.new("http://example.com")
+  end
+
+  FORMAT_HEADER = ActiveResource::Connection::HTTP_FORMAT_HEADER_NAMES
+
+  [:post, :put, :get, :delete, :head].each do |method|
+    test "responds to simple #{method} request" do
+      ActiveResource::HttpMock.respond_to do |mock|
+        mock.send(method, "/people/1", {FORMAT_HEADER[method] => "application/xml"}, "Response")
+      end
+
+      assert_equal "Response", request(method, "/people/1", FORMAT_HEADER[method] => "application/xml").body
+    end
+
+    test "adds format header by default to #{method} request" do
+      ActiveResource::HttpMock.respond_to do |mock|
+        mock.send(method, "/people/1", {}, "Response")
+      end
+
+      assert_equal "Response", request(method, "/people/1", FORMAT_HEADER[method] => "application/xml").body
+    end
+
+    test "respond only when headers match header by default to #{method} request" do
+      ActiveResource::HttpMock.respond_to do |mock|
+        mock.send(method, "/people/1", {"X-Header" => "X"}, "Response")
+      end
+
+      assert_equal "Response", request(method, "/people/1", "X-Header" => "X").body
+      assert_raise(ActiveResource::InvalidRequestError) { request(method, "/people/1") }
+    end
+
+    test "does not overwrite format header to #{method} request" do
+      ActiveResource::HttpMock.respond_to do |mock|
+        mock.send(method, "/people/1", {FORMAT_HEADER[method] => "application/json"}, "Response")
+      end
+
+      assert_equal "Response", request(method, "/people/1", FORMAT_HEADER[method] => "application/json").body
+    end
+
+    test "ignores format header when there is only one response to same url in a #{method} request" do
+      ActiveResource::HttpMock.respond_to do |mock|
+        mock.send(method, "/people/1", {}, "Response")
+      end
+
+      assert_equal "Response", request(method, "/people/1", FORMAT_HEADER[method] => "application/json").body
+      assert_equal "Response", request(method, "/people/1", FORMAT_HEADER[method] => "application/xml").body
+    end
+
+    test "responds correctly when format header is given to #{method} request" do
+      ActiveResource::HttpMock.respond_to do |mock|
+        mock.send(method, "/people/1", {FORMAT_HEADER[method] => "application/xml"}, "XML")
+        mock.send(method, "/people/1", {FORMAT_HEADER[method] => "application/json"}, "Json")
+      end
+
+      assert_equal "XML", request(method, "/people/1", FORMAT_HEADER[method] => "application/xml").body
+      assert_equal "Json", request(method, "/people/1", FORMAT_HEADER[method] => "application/json").body
+    end
+  end
+
+  def request(method, path, headers = {}, body = nil)
+    if [:put, :post].include? method
+      @http.send(method, path, body, headers)
+    else
+      @http.send(method, path, headers)
+    end
+  end
+end
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