matchers.rb in carrierwave-1.0.0.beta

- old
+ new

@@ -1,7 +1,5 @@
-# encoding: utf-8
-
 module CarrierWave
   module Test
 
     ##
     # These are some matchers that can be used in RSpec specs, to simplify the testing
@@ -21,17 +19,20 @@
 
         def failure_message
           "expected #{@actual.inspect} to be identical to #{@expected.inspect}"
         end
 
-        def negative_failure_message
+        def failure_message_when_negated
           "expected #{@actual.inspect} to not be identical to #{@expected.inspect}"
         end
 
         def description
           "be identical to #{@expected.inspect}"
         end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
       end
 
       def be_identical_to(expected)
         BeIdenticalTo.new(expected)
       end
@@ -49,17 +50,20 @@
 
         def failure_message
           "expected #{@actual.current_path.inspect} to have permissions #{@expected.to_s(8)}, but they were #{(File.stat(@actual.path).mode & 0777).to_s(8)}"
         end
 
-        def negative_failure_message
+        def failure_message_when_negated
           "expected #{@actual.current_path.inspect} not to have permissions #{@expected.to_s(8)}, but it did"
         end
 
         def description
           "have permissions #{@expected.to_s(8)}"
         end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
       end
 
       def have_permissions(expected)
         HavePermissions.new(expected)
       end
@@ -77,17 +81,20 @@
 
         def failure_message
           "expected #{File.dirname @actual.current_path.inspect} to have permissions #{@expected.to_s(8)}, but they were #{(File.stat(@actual.path).mode & 0777).to_s(8)}"
         end
 
-        def negative_failure_message
+        def failure_message_when_negated
           "expected #{File.dirname @actual.current_path.inspect} not to have permissions #{@expected.to_s(8)}, but it did"
         end
 
         def description
           "have permissions #{@expected.to_s(8)}"
         end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
       end
 
       def have_directory_permissions(expected)
         HaveDirectoryPermissions.new(expected)
       end
@@ -108,17 +115,20 @@
 
         def failure_message
           "expected #{@actual.current_path.inspect} to be no larger than #{@width} by #{@height}, but it was #{@actual_width} by #{@actual_height}."
         end
 
-        def negative_failure_message
+        def failure_message_when_negated
           "expected #{@actual.current_path.inspect} to be larger than #{@width} by #{@height}, but it wasn't."
         end
 
         def description
           "be no larger than #{@width} by #{@height}"
         end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
       end
 
       def be_no_larger_than(width, height)
         BeNoLargerThan.new(width, height)
       end
@@ -139,17 +149,20 @@
 
         def failure_message
           "expected #{@actual.current_path.inspect} to have an exact size of #{@width} by #{@height}, but it was #{@actual_width} by #{@actual_height}."
         end
 
-        def negative_failure_message
+        def failure_message_when_negated
           "expected #{@actual.current_path.inspect} not to have an exact size of #{@width} by #{@height}, but it did."
         end
 
         def description
           "have an exact size of #{@width} by #{@height}"
         end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
       end
 
       def have_dimensions(width, height)
         HaveDimensions.new(width, height)
       end
@@ -169,17 +182,20 @@
 
         def failure_message
           "expected #{@actual.current_path.inspect} to have an exact size of #{@height}, but it was #{@actual_height}."
         end
 
-        def negative_failure_message
+        def failure_message_when_negated
           "expected #{@actual.current_path.inspect} not to have an exact size of #{@height}, but it did."
         end
 
         def description
           "have an exact height of #{@height}"
         end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
       end
 
       def have_height(height)
         HaveHeight.new(height)
       end
@@ -199,17 +215,20 @@
 
         def failure_message
           "expected #{@actual.current_path.inspect} to have an exact size of #{@width}, but it was #{@actual_width}."
         end
 
-        def negative_failure_message
+        def failure_message_when_negated
           "expected #{@actual.current_path.inspect} not to have an exact size of #{@width}, but it did."
         end
 
         def description
           "have an exact width of #{@width}"
         end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
       end
 
       def have_width(width)
         HaveWidth.new(width)
       end
@@ -229,17 +248,20 @@
 
         def failure_message
           "expected #{@actual.current_path.inspect} to be no wider than #{@width}, but it was #{@actual_width}."
         end
 
-        def negative_failure_message
+        def failure_message_when_negated
           "expected #{@actual.current_path.inspect} not to be wider than #{@width}, but it is."
         end
 
         def description
           "have a width less than or equal to #{@width}"
         end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
       end
 
       def be_no_wider_than(width)
         BeNoWiderThan.new(width)
       end
@@ -259,23 +281,59 @@
 
         def failure_message
           "expected #{@actual.current_path.inspect} to be no taller than #{@height}, but it was #{@actual_height}."
         end
 
-        def negative_failure_message
+        def failure_message_when_negated
           "expected #{@actual.current_path.inspect} not to be taller than #{@height}, but it is."
         end
 
         def description
           "have a height less than or equal to #{@height}"
         end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
       end
 
       def be_no_taller_than(height)
         BeNoTallerThan.new(height)
       end
 
+      class BeFormat # :nodoc:
+        def initialize(expected)
+          @expected = expected
+        end
+
+        def matches?(actual)
+          @actual = actual
+          # Satisfy expectation here. Return false or raise an error if it's not met.
+          image = ImageLoader.load_image(@actual.current_path)
+          @actual_expected = image.format
+          !@expected.nil? && @actual_expected.casecmp(@expected).zero?
+        end
+
+        def failure_message
+          "expected #{@actual.current_path.inspect} to have #{@expected} format, but it was #{@actual_expected}."
+        end
+
+        def failure_message_when_negated
+          "expected #{@actual.current_path.inspect} not to have #{@expected} format, but it did."
+        end
+
+        def description
+          "have #{@expected} format"
+        end
+
+        # RSpec 2 compatibility:
+        alias_method :negative_failure_message, :failure_message_when_negated
+      end
+
+      def be_format(expected)
+        BeFormat.new(expected)
+      end
+
       class ImageLoader # :nodoc:
         def self.load_image(filename)
           if defined? ::MiniMagick
             MiniMagickWrapper.new(filename)
           else
@@ -301,10 +359,14 @@
 
         def height
           image.rows
         end
 
+        def format
+          image.format
+        end
+
         def initialize(filename)
           @image = ::Magick::Image.read(filename).first
         end
       end
 
@@ -316,14 +378,17 @@
 
         def height
           image[:height]
         end
 
+        def format
+          image[:format]
+        end
+
         def initialize(filename)
           @image = ::MiniMagick::Image.open(filename)
         end
       end
 
     end # Matchers
   end # Test
 end # CarrierWave
-