Tests fleshing out the coverage of different geometry modifiers.

git-svn-id: https://svn.thoughtbot.com/plugins/paperclip/trunk@445 7bbfaf0e-4d1d-0410-9690-a8bb5f8ef2aa

test/test_thumbnail.rb

@@ -42,6 +42,37 @@ class ThumbnailTest < Test::Unit::TestCase
       @file = File.new(File.join(File.dirname(__FILE__), "fixtures", "5k.png"))
     end
 
+    [["600x600>", "434x66"],
+     ["400x400>", "400x61"],
+     ["32x32<", "434x66"]
+    ].each do |args|
+      context "being thumbnailed with a geometry of #{args[0]}" do
+        setup do
+          @thumb = Paperclip::Thumbnail.new(@file, args[0])
+        end
+
+        should "start with dimensions of 434x66" do
+          cmd = %Q[identify -format "%wx%h" #{@file.path}] 
+          assert_equal "434x66", `#{cmd}`.chomp
+        end
+
+        should "report the correct target geometry" do
+          assert_equal args[0], @thumb.target_geometry.to_s
+        end
+
+        context "when made" do
+          setup do
+            @thumb_result = @thumb.make
+          end
+
+          should "be the size we expect it to be" do
+            cmd = %Q[identify -format "%wx%h" #{@thumb_result.path}] 
+            assert_equal args[1], `#{cmd}`.chomp
+          end
+        end
+      end
+    end
+
     context "being thumbnailed at 100x50 with cropping" do
       setup do
         @thumb = Paperclip::Thumbnail.new(@file, "100x50#")