/// <summary>
/// Set the configuration for the comparison
/// </summary>
/// <param name="config"></param>
public ComparisonResult(ComparisonConfig config)
{
Config = config;
Differences = new List<Difference>();
#if !PORTABLE
Watch = new Stopwatch();
#endif
}
public void Clone()
{
var pFiller = new Filler<Constraint>();
var test = pFiller.Create();
var clone = test.Clone();
var config = new ComparisonConfig();
config.MembersToIgnore.Add("Table"); //table should never be cloned
var compareLogic = new CompareLogic(config);
var result = compareLogic.Compare(test, clone);
Assert.True(result.AreEqual, result.DifferencesString);
}
/// <summary>
/// Returns true if the property or field should be excluded
/// </summary>
/// <param name="config"></param>
/// <param name="info"></param>
/// <returns></returns>
public static bool ShouldExcludeMember(ComparisonConfig config, MemberInfo info)
{
//Only compare specific field names
if (config.MembersToInclude.Count > 0 && !config.MembersToInclude.Contains(info.Name))
return true;
//If we should ignore it, skip it
if (config.MembersToIgnore.Count > 0 && config.MembersToIgnore.Contains(info.Name))
return true;
if (IgnoredByAttribute(config, info))
return true;
return false;
}
/// <summary>
/// Get a list of the fields within a type
/// </summary>
/// <param name="config"> </param>
/// <param name="type"></param>
/// <returns></returns>
public static IEnumerable<FieldInfo> GetFieldInfo(ComparisonConfig config, Type type)
{
lock (_fieldCache)
{
if (config.Caching && _fieldCache.ContainsKey(type))
return _fieldCache[type];
FieldInfo[] currentFields;
#if !PORTABLE
if (config.ComparePrivateFields && !config.CompareStaticFields)
{
List<FieldInfo> list = new List<FieldInfo>();
Type t = type;
do
{
list.AddRange(t.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance));
t = t.BaseType;
} while (t != null);
currentFields = list.ToArray();
}
else if (config.ComparePrivateFields && config.CompareStaticFields)
{
List<FieldInfo> list = new List<FieldInfo>();
Type t = type;
do
{
list.AddRange(
t.GetFields(BindingFlags.Public | BindingFlags.Instance | BindingFlags.NonPublic |
BindingFlags.Static));
t = t.BaseType;
} while (t != null);
currentFields = list.ToArray();
}
else
#endif
currentFields = type.GetFields(); //Default is public instance and static
if (config.Caching)
_fieldCache.Add(type, currentFields);
return currentFields;
}
}
public static bool HasTheSameDataAs(this DataSet left, DataSet right)
{
var config = new ComparisonConfig();
config.CustomComparers.Add(new NDbUnitDataSetComparer(RootComparerFactory.GetRootComparer()));
config.CustomComparers.Add(new NDbUnitDataTableComparer(RootComparerFactory.GetRootComparer()));
config.CustomComparers.Add(new NDbUnitDataRowCollectionComparer(RootComparerFactory.GetRootComparer()));
config.MaxDifferences = MAX_DIFFERENCES_BEFORE_ABORT;
var comparer = new CompareLogic(config);
var result = comparer.Compare(left, right);
if (!result.AreEqual)
{
Log(result.DifferencesString);
}
return result.AreEqual;
}
private static ComparisonResult CompareObjects(Object expectedObj, Object actualObj, String[] ignoredMembers = null)
{
ComparisonConfig cfg = new ComparisonConfig()
{
IgnoreObjectTypes = true,
IgnoreCollectionOrder = true,
IgnoreUnknownObjectTypes = true,
ComparePrivateFields = false,
ComparePrivateProperties = false,
MembersToIgnore = new List<string>() { "_entityWrapper" },
CompareChildren = false,
MaxStructDepth = 1,
MaxDifferences = 20,
TreatStringEmptyAndNullTheSame = true
};
if (ignoredMembers != null)
{
cfg.MembersToIgnore.AddRange(ignoredMembers);
}
//also add not mapped attributes
if (actualObj.PropertiesWithAttribute<NotMappedAttribute>().Length > 0)
{
cfg.MembersToIgnore.AddRange(actualObj.PropertiesWithAttribute<NotMappedAttribute>());
}
//check on null objects
CompareLogic cpl = new CompareLogic(cfg);
var result = cpl.Compare(expectedObj, actualObj);
return result;
}
/// <summary>
/// Check if the class type should be excluded based on the configuration
/// </summary>
/// <param name="config"></param>
/// <param name="t1"></param>
/// <param name="t2"></param>
/// <returns></returns>
public static bool ShouldExcludeClassType(ComparisonConfig config, Type t1, Type t2)
{
//Only include specific class types
if (config.ClassTypesToInclude.Count > 0
&& (!config.ClassTypesToInclude.Contains(t1)
|| !config.ClassTypesToInclude.Contains(t2)))
{
return true;
}
//Ignore specific class types
if (config.ClassTypesToIgnore.Count > 0
&& (config.ClassTypesToIgnore.Contains(t1)
|| config.ClassTypesToIgnore.Contains(t2)))
{
return true;
}
//The class is ignored by an attribute
if (IgnoredByAttribute(config, t1.GetTypeInfo()))
return true;
return false;
}
/// <summary>
/// Pass in the configuration
/// </summary>
/// <param name="config"></param>
public CompareLogic(ComparisonConfig config)
{
Config = config;
}
/// <summary>
/// Check if any type has attributes that should be bypassed
/// </summary>
/// <returns></returns>
public static bool IgnoredByAttribute(ComparisonConfig config, MemberInfo info)
{
var attributes = info.GetCustomAttributes(true);
return attributes.Any(a => config.AttributesToIgnore.Contains(a.GetType()));
}
/// <summary>
/// Get the value of a property
/// </summary>
/// <param name="config"> </param>
/// <param name="type"></param>
/// <param name="objectValue"></param>
/// <param name="propertyName"></param>
/// <returns></returns>
public static object GetPropertyValue(ComparisonConfig config, Type type, object objectValue, string propertyName)
{
lock (_propertyCache)
return(GetPropertyInfo(config, type).First(o => o.Name == propertyName).GetValue(objectValue, null));
}
private bool RowsHaveSameData(DataRow left, DataRow right)
{
//this instance of the comparer is intentionally independent from the main one
// (i.e., it does not report its DIFFERENCEs, etc. up the chain) b/c at this level we only
// care about a single match in a vacuum so the 'reporting' back up the chain would be meaningless noise
var config = new ComparisonConfig { IgnoreCollectionOrder = true, CompareChildren = false };
var comparer = new CompareLogic(config);
var result = comparer.Compare(left, right);
return result.AreEqual;
}
/// <summary>
/// Check if any type has attributes that should be bypassed
/// </summary>
/// <returns></returns>
public static bool IgnoredByAttribute(ComparisonConfig config, MemberInfo info)
{
var attributes = info.GetCustomAttributes(true);
return(attributes.Any(a => config.AttributesToIgnore.Contains(a.GetType())));
}
/// <summary>
/// Set up defaults for the comparison
/// </summary>
public CompareLogic()
{
Config = new ComparisonConfig();
}
public void CompareInterfaceMembers()
{
ComparisonConfig config = new ComparisonConfig();
config.InterfaceMembers.Add(typeof(IName));
_compare = new CompareLogic(config);
Person person1 = new Person();
person1.Name = "Greg";
person1.DateCreated = DateTime.Now;
Person person2 = new Person();
person2.Name = "Greg";
person2.DateCreated = DateTime.Now.AddDays(-1);
var result = _compare.Compare(person1, person2);
Assert.IsTrue(result.AreEqual, result.DifferencesString);
}
/// <summary>
/// Set up defaults for the comparison
/// </summary>
/// <param name="useAppConfigSettings">If true, use settings from the app.config</param>
public CompareLogic(bool useAppConfigSettings)
{
Config = new ComparisonConfig();
if (useAppConfigSettings)
SetupWithAppConfigSettings();
}
public ComparisonResultWrapper(ComparisonConfig config) : base(config)
{
}
/// <summary>
/// Set up defaults for the comparison
/// </summary>
public CompareLogic()
{
Config = new ComparisonConfig();
}
/// <summary>
/// Pass in the configuration
/// </summary>
/// <param name="config"></param>
public CompareLogic(ComparisonConfig config)
{
Config = config;
}
public IsDeeplyEqualConstraint With(ComparisonConfig comparisonConfig)
{
_comparisonConfig = comparisonConfig;
return this;
}
