Fixed a silly typo in the ObjectMask parser that was causing a crash and added test cases to cover it. Added the coveralls 'coverage' directory to gitignore

Author: SLsthompson

.gitignore

@@ -5,4 +5,5 @@
 log/
 internal_examples/
 doc/
+coverage/
 Gemfile.lock

lib/softlayer/ObjectMaskParser.rb

@@ -58,7 +58,7 @@ def parse(mask_string)
 
       recognize_token(@tokenizer, :eos, "Extraneous text after object mask: ")
 
-      if property && (property.name != "mask" && propertyName != "filterMask")
+      if property && (property.name != "mask" && property.name != "filterMask")
         raise ObjectMaskParserError, "Object Mask must begin with a 'mask' or 'filterMask' root property"
       end
 

spec/ObjectMaskParser_spec.rb

@@ -54,6 +54,27 @@
     expect { result = subject.parse("mask[two,children], bob") }.to raise_error
   end
 
+  it "should parse a mask with fiterMask" do
+    result = nil
+    expect { result = subject.parse("filterMask.simple1") }.to_not raise_error
+
+    expect(result.name).to eq 'filterMask'
+    expect(result.children[0].name).to eq 'simple1'
+  end
+  
+  it "should parse a mask set with fiterMask" do
+    result = nil
+    expect { result = subject.parse("[filterMask.simple1, filterMask.simple2]") }.to_not raise_error
+
+    expect(result.count).to eq 2
+    expect(result[0].name).to eq 'filterMask'
+    expect(result[0].children.count).to eq 1
+    expect(result[0].children[0].name).to eq "simple1"
+
+    expect(result[1].name).to eq 'filterMask'
+    expect(result[1].children.count).to eq 1
+    expect(result[1].children[0].name).to eq "simple2"
+  end  
 end
 
 describe SoftLayer::ObjectMaskParser, "#parse_property_set" do