add block device integration tests

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>

test/runner/tests/file_test.rb

@@ -203,7 +203,74 @@ describe 'file interface' do
     end
 
     it 'has inode size of 0' do
-      # Must be around 11 Bytes, +- 4
+      file.size.must_equal(0)
+    end
+
+    it 'has no selinux_label' do
+      file.selinux_label.must_equal(nil)
+    end
+
+    it 'has no product_version' do
+      file.product_version.must_equal(nil)
+    end
+
+    it 'has no file_version' do
+      file.file_version.must_equal(nil)
+    end
+  end
+
+  describe 'block device' do
+    let(:file) { backend.file('/dev/loop1') }
+
+    it 'exists' do
+      file.exists?.must_equal(true)
+    end
+
+    it 'is a block device' do
+      file.block_device?.must_equal(true)
+    end
+
+    it 'has type :block_device' do
+      file.type.must_equal(:block_device)
+    end
+
+    it 'has no content' do
+      file.content.must_be_nil
+    end
+
+    it 'has owner name root' do
+      file.owner.must_equal('root')
+    end
+
+    it 'has group name' do
+      file.group.must_equal('disk')
+    end
+
+    it 'has mode 0660' do
+      file.mode.must_equal(00660)
+    end
+
+    it 'checks mode? 0660' do
+      file.mode?(00660).must_equal(true)
+    end
+
+    it 'has no link_path' do
+      file.link_path.must_be_nil
+    end
+
+    it 'has no md5sum' do
+      file.md5sum.must_be_nil
+    end
+
+    it 'has no sha256sum' do
+      file.sha256sum.must_be_nil
+    end
+
+    it 'has a modified time' do
+      file.mtime.must_be_close_to(Time.now.to_i - MTime/2, MTime)
+    end
+
+    it 'has inode size of 0' do
       file.size.must_equal(0)
     end