spec/jpeg_spec.rb in jpeg-0.0.2 vs spec/jpeg_spec.rb in jpeg-0.1.0

@@ -1,7 +1,36 @@
 require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
 
+def sample_file_path(file)
+  File.join(File.dirname(__FILE__), 'samples', file)
+end
+
 describe "Jpeg" do
-  it "fails" do
-    fail "hey buddy, you should probably rename this file and start specing for real"
+  subject { @jpeg }
+  describe :open do
+    context "valid jpeg" do
+      before { @jpeg = Jpeg.open(sample_file_path("sample.jpg")) }
+      its(:size) { should == [112, 112] }
+      its(:width) { should == 112 }
+      its(:height) { should == 112 }
+    end
+    context "non-exists file" do
+      it {
+        lambda {
+          Jpeg.open(sample_file_path("nonexists.jpg"))
+        }.should raise_error
+      }
+    end
+
+    context "not a correct jpeg file" do
+      it {
+        lambda {
+          Jpeg.open(sample_file_path("sample.png"))
+        }.should raise_error
+      }
+    end
+  end
+  describe :from_string do
+    before { @jpeg = Jpeg.open_buffer(File.open(sample_file_path("sample.jpg")).read) }
+    its(:size) { should == [112, 112] }
   end
 end