spec/kitchen/state_file_spec.rb in test-kitchen-1.2.1 vs spec/kitchen/state_file_spec.rb in test-kitchen-1.3.0

@@ -14,24 +14,24 @@
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'kitchen/errors'
-require 'kitchen/state_file'
-require 'kitchen/util'
+require "kitchen/errors"
+require "kitchen/state_file"
+require "kitchen/util"
 
 class YamledState
   attr_accessor :yoinks
 end
 
 describe Kitchen::StateFile do
 
-  let(:state_file)  { Kitchen::StateFile.new('/tmp', 'oftheunion') }
-  let(:file_name)   { '/tmp/.kitchen/oftheunion.yml' }
+  let(:state_file)  { Kitchen::StateFile.new("/tmp", "oftheunion") }
+  let(:file_name)   { "/tmp/.kitchen/oftheunion.yml" }
 
   before do
     FakeFS.activate!
     FileUtils.mkdir_p("/tmp")
   end
@@ -45,78 +45,85 @@
 
     it "returns an empty hash if the file does not exist" do
       state_file.read.must_equal(Hash.new)
     end
 
+    it "returns and empty hash if the file is zero length" do
+      stub_state_file!("")
+
+      state_file.read.must_equal(Hash.new)
+    end
+
     it "returns a Hash with symbolized keys from the state file" do
       stub_state_file!
 
-      state_file.read.must_equal({
+      state_file.read.must_equal(
         :cloud_id => 42,
-        :flavor => 'extra_crispy'
-      })
+        :flavor => "extra_crispy"
+      )
     end
 
     it "arbitrary objects aren't deserialized from state file" do
-      stub_state_file! <<-'YAML'.gsub(/^ {8}/, '')
+      stub_state_file! <<-'YAML'.gsub(/^ {8}/, "")
         --- !ruby/object:YamledState
         yoinks: zoinks
       YAML
 
       state_file.read.class.wont_equal YamledState
       state_file.read.class.must_equal Hash
-      state_file.read.must_equal({ :yoinks => 'zoinks' })
+      state_file.read.must_equal(:yoinks => "zoinks")
     end
 
     it "raises a StateFileLoadError if the state file cannot be parsed" do
-      stub_state_file!('&*%^*')
+      stub_state_file!("&*%^*")
 
       proc { state_file.read }.must_raise Kitchen::StateFileLoadError
     end
+
   end
 
   describe "#write" do
 
     it "creates the directory path to the state file" do
-      File.directory?('/tmp/.kitchen').must_equal false
+      File.directory?("/tmp/.kitchen").must_equal false
       state_file.write({})
-      File.directory?('/tmp/.kitchen').must_equal true
+      File.directory?("/tmp/.kitchen").must_equal true
     end
 
     it "writes a state file with stringified keys" do
-      state_file.write({ :thekey => 'thyself' })
+      state_file.write(:thekey => "thyself")
 
-      IO.read(file_name).split("\n").must_include 'thekey: thyself'
+      IO.read(file_name).split("\n").must_include "thekey: thyself"
     end
   end
 
   describe "#destroy" do
 
     it "executes if no file exists" do
-      File.exists?(file_name).must_equal false
+      File.exist?(file_name).must_equal false
       state_file.destroy
-      File.exists?(file_name).must_equal false
+      File.exist?(file_name).must_equal false
     end
 
     it "deletes the state file" do
       stub_state_file!
       state_file.destroy
 
-      File.exists?(file_name).must_equal false
+      File.exist?(file_name).must_equal false
     end
   end
 
   private
 
   def stub_state_file!(yaml_string = nil)
     if yaml_string.nil?
-      yaml_string = <<-'YAML'.gsub(/^ {8}/, '')
+      yaml_string = <<-'YAML'.gsub(/^ {8}/, "")
         ---
         cloud_id: 42
         flavor: extra_crispy
       YAML
     end
 
     FileUtils.mkdir_p(File.dirname(file_name))
-    File.open(file_name, 'wb') { |f| f.write(yaml_string) }
+    File.open(file_name, "wb") { |f| f.write(yaml_string) }
   end
 end