Added have_json_type_boolean matcher and relative cucumber step.

features/types.feature

@@ -7,7 +7,8 @@ Feature: Types
         "float": 10.0,
         "hash": {},
         "integer": 10,
-        "string": "json_spec"
+        "string": "json_spec",
+        "boolean" : true
       }
       """
     When I get the JSON
@@ -16,3 +17,4 @@ Feature: Types
     And the JSON at "float" should be a float
     And the JSON at "hash" should be a hash
     And the JSON at "integer" should be an integer
+    And the JSON at "boolean" should be a boolean

lib/json_spec/cucumber.rb

@@ -63,11 +63,19 @@
 end
 
 Then /^the (?:JSON|json)(?: response)?(?: at "(.*)")? should( not)? be an? (.*)$/ do |path, negative, type|
-  klass = Module.const_get(type.gsub(/^./){|x| x.upcase })
-  if negative
-    last_json.should_not have_json_type(klass).at_path(path)
+  if type == "boolean"
+    if negative
+      last_json.should_not have_json_type_boolean.at_path(path)
+    else
+      last_json.should have_json_type_boolean.at_path(path)
+    end
   else
-    last_json.should have_json_type(klass).at_path(path)
+    klass = Module.const_get(type.gsub(/^./){|x| x.upcase })
+    if negative
+      last_json.should_not have_json_type(klass).at_path(path)
+    else
+      last_json.should have_json_type(klass).at_path(path)
+    end
   end
 end
 

lib/json_spec/matchers.rb

@@ -130,6 +130,35 @@ def actual
   end
 end
 
+RSpec::Matchers.define :have_json_type_boolean do
+  include JsonSpec::Helpers
+
+  match do |json|
+    @json = json
+    actual.kind_of? TrueClass or actual.kind_of? FalseClass
+  end
+
+  chain :at_path do |path|
+    @path = path
+  end
+
+  failure_message_for_should do
+    message = "Expected JSON value type to be a boolean, got #{actual.class}"
+    message << %( at path "#{@path}") if @path
+    message
+  end
+
+  failure_message_for_should_not do
+    message = "Expected JSON value type to not be a boolean, got #{actual.class}"
+    message << %( at path "#{@path}") if @path
+    message
+  end
+
+  def actual
+    parse_json(@json, @path)
+  end
+end
+
 RSpec::Matchers.define :have_json_size do |expected_size|
   include JsonSpec::Helpers
 

spec/json_spec/matchers_spec.rb

@@ -198,6 +198,16 @@
     end
   end
 
+  context "have_json_type_boolean" do
+    it "matches true" do
+      %(true).should have_json_type_boolean
+    end
+
+    it "matches false" do
+      %(false).should have_json_type_boolean
+    end
+  end
+
   context "have_json_type" do
     it "matches hashes" do
       %({}).should have_json_type(Hash)