refactor

test/test_manifest.rb

@@ -73,6 +73,13 @@ documentation: |
     assert_invalid_manifest_has_exception manifest, AweSim::Manifest::InvalidContentError
   end
 
+  def assert_all_mainfest_attrs_are_empty_strs(manifest)
+    assert_equal "", manifest.provider
+    assert_equal "", manifest.name
+    assert_equal "", manifest.description
+    assert_equal "", manifest.documentation
+  end
+
   def test_manifest_with_empty_fields
     yaml = %q(---
 provider:
@@ -83,22 +90,13 @@ documentation:
     manifest = AweSim::Manifest.load_from_string(yaml)
     assert manifest.valid?
     assert manifest.exist?
-    assert_equal "", manifest.provider
-    assert_equal "", manifest.name
-    assert_equal "", manifest.description
-    assert_equal "", manifest.documentation
+    assert_all_mainfest_attrs_are_empty_strs(manifest)
 
     manifest = AweSim::MissingManifest.new({})
-    assert_equal "", manifest.provider
-    assert_equal "", manifest.name
-    assert_equal "", manifest.description
-    assert_equal "", manifest.documentation
+    assert_all_mainfest_attrs_are_empty_strs(manifest)
 
     manifest = AweSim::InvalidManifest.new(nil)
-    assert_equal "", manifest.provider
-    assert_equal "", manifest.name
-    assert_equal "", manifest.description
-    assert_equal "", manifest.documentation
+    assert_all_mainfest_attrs_are_empty_strs(manifest)
   end
 end