spec/FileTestHelper_spec.rb in filetesthelper-0.9.0 vs spec/FileTestHelper_spec.rb in filetesthelper-0.9.1

@@ -2,34 +2,50 @@
 require 'rubygems'
 require 'spec'
 require 'filetesthelper'
 include FileTestHelper
 
-describe FileTestHelper do
-  it 'should start in an empty working directory' do
-    with_files() do
-      Dir.glob('**/*').size == 0
+parameters = {
+  'nil' => nil,
+  'an empty hash' => {},
+  'a hash with only one file' => {'file.txt' => 'file content'}
+}
+
+parameters.each do |parameter_name, parameter|
+  describe FileTestHelper, "when the hash paramater is #{parameter_name}" do
+    it 'should execute the block parameter' do
+      block_runned = false
+      with_files(parameter) {block_runned = true}
+      block_runned.should be_true
     end
-  end
   
-  it 'should not use the current directory as default' do
-    initial_directory = Dir.pwd
-    with_files() do
-      Dir.pwd.should_not == initial_directory
+    it 'should not use the current directory' do
+      initial_directory = Dir.pwd
+      with_files(parameter) do
+        Dir.pwd.should_not == initial_directory
+      end
+      Dir.pwd.should == initial_directory
     end
-    Dir.pwd.should == initial_directory
-  end
   
-  it 'should delete the working directory and its contents after use' do
-    working_directory_path = ''
-    with_files() do
-      working_directory_path = Dir.pwd
+    it 'should start in an empty working directory' do
+      with_files(parameter) do
+        Dir.glob('**/*').size == 0
+      end
     end
-    working_directory_path.should_not be_empty
-    File.exist?(working_directory_path).should be_false
-  end
   
+    it 'should delete the working directory and its contents after running the block' do
+      working_directory_path = ''
+      with_files(parameter) do
+        working_directory_path = Dir.pwd
+      end
+      working_directory_path.should_not be_empty
+      File.exist?(working_directory_path).should be_false
+    end
+  end
+end
+
+describe FileTestHelper do
   it 'should create the files and directories that were specified in a hash' do
     files_to_create = {'a directory/a file.txt' => '', 'a directory/another file.rb' => '', 'an_empty_directory/' => '', 'a_file' => ''}
     with_files(files_to_create) do
       files_to_create.each_key{|created_file| File.exist?(created_file).should be_true}
     end
@@ -57,6 +73,10 @@
   end
   
   it 'should throw an error if a path uses ".."' do
     lambda { with_files('../../dir/filea' => 'content of filea') {}}.should raise_error
   end
-end
+  
+  it 'should not throw an exception when the hash parameter is nil' do
+    lambda { with_files(nil) {}}.should_not raise_error
+  end
+end
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