Replace print_r with JSON.stringify to handle dates in JS runtime specs

lib/couch_potato/rspec/matchers/list_as_matcher.rb

@@ -20,7 +20,6 @@ def initialize(expected_ruby, results_ruby)
 
       def matches?(view_spec)
         js = <<-JS
-          #{File.read(File.dirname(__FILE__) + '/print_r.js')}
           #{File.read(File.dirname(__FILE__) + '/json2.js')}
           var results = #{@results_ruby.to_json};
           var listed = '';
@@ -33,7 +32,7 @@ def matches?(view_spec)
             listed = listed + text;
           };
           list();
-          print_r(JSON.parse(listed));
+          JSON.stringify(JSON.parse(listed));
         JS
 
         @actual_ruby = JSON.parse(run_js(js))

lib/couch_potato/rspec/matchers/map_to_matcher.rb

@@ -23,15 +23,14 @@ def initialize(expected_ruby, input_ruby)
 
       def matches?(view_spec)
         js = <<-JS
-          #{File.read(File.dirname(__FILE__) + '/print_r.js')}
           var doc = #{@input_ruby.to_json};
           var map = #{view_spec.map_function};
           var result = [];
           var emit = function(key, value) {
             result.push([key, value]);
           };
           map(doc);
-          print_r(result);
+          JSON.stringify(result);
         JS
         @actual_ruby = JSON.parse(run_js(js))
         @expected_ruby == @actual_ruby

lib/couch_potato/rspec/matchers/reduce_to_matcher.rb

@@ -19,8 +19,6 @@ def initialize(expected_ruby, docs, keys, rereduce = false)
 
       def matches?(view_spec)
         js = <<-JS
-          #{File.read(File.dirname(__FILE__) + '/print_r.js')}
-
           sum = function(values) {
             var rv = 0;
             for (var i in values) {
@@ -32,7 +30,7 @@ def matches?(view_spec)
           var docs = #{@docs.to_json};
           var keys = #{@keys.to_json};
           var reduce = #{view_spec.reduce_function};
-          print_r({result: reduce(docs, keys, #{@rereduce})});
+          JSON.stringify({result: reduce(docs, keys, #{@rereduce})});
         JS
         @actual_ruby = JSON.parse(run_js(js))['result']
         @expected_ruby == @actual_ruby

spec/unit/rspec_matchers_spec.rb

@@ -30,6 +30,11 @@
       @view_spec.should_not map({:name => 'horst', :tags => ['person', 'male']}).to(['horst', 2], ['male', 'person'])
     end
   end
+
+  it "should work with date emit values" do
+    spec = stub(:map_function => "function(doc) { emit(null, new Date(1368802800000)); }")
+    spec.should map({}).to([nil, "2013-05-17T15:00:00.000Z"])
+  end
 
   describe "failing specs" do
     before(:each) do
@@ -68,6 +73,11 @@
   it "should not pass if the given function returns different javascript" do
     @view_spec.should_not reduce([], [1, 2, 3]).to(7)
   end
+
+  it "should work with date return values" do
+    spec = stub(:reduce_function => "function() { return new Date(1368802800000); }")
+    spec.should reduce([], []).to("2013-05-17T15:00:00.000Z")
+  end
 
   describe "rereduce" do
     it "should pass if the given function return the expected javascript" do
@@ -107,7 +117,12 @@
   it "should not pass if the function does not return the expected json" do
     @view_spec.should_not list({'rows' => [{:text => 'hello'}]}).as([{'text' => 'hello there'}])
   end
-
+
+  it "should work with date values" do
+    spec = stub(:list_function => "function() { send(JSON.stringify([{date: new Date(1368802800000)}])); }")
+    spec.should list({"rows" => [{}]}).as([{"date" => "2013-05-17T15:00:00.000Z"}])
+  end
+
   describe "failing specs" do
     it "should have a nice error message for failing should" do
       lambda {
@@ -121,4 +136,4 @@
       }.should raise_error('Expected to not list as [{"text"=>"hello world"}] but did.')
     end
   end
-end
+end