public virtual Task MergeAsync(TKey key, TValue value, CancellationToken cancellationToken = default)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
var properties = DictionaryConverter.ToDictionary(value);
if (!properties.Any())
{
return(TaskUtil.CompletedTask);
}
var existingValue = GetOrCreateValue(key);
foreach (var propertyKeyValue in properties)
{
var property = typeof(TValue)
.GetProperty(
propertyKeyValue.Key,
BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance);
if (property != null)
{
try
{
if (property.PropertyType.GetTypeInfo().IsEnum)
{
property.SetValue(
existingValue,
Enum.Parse(property.PropertyType, propertyKeyValue.Value.ToString(), true));
}
else
{
property.SetValue(
existingValue,
propertyKeyValue.Value);
}
}
catch
{
var parse = TypeUtil.GetParseFuncForType(property.PropertyType);
if (parse != null)
{
property.SetValue(existingValue, parse(propertyKeyValue.Value.ToString()));
}
else
{
throw new InvalidOperationException($"Cannot set value for property '{property.Name}'");
}
}
}
}
return(Task.CompletedTask);
}
public void Test_Create_empty_Dictionary(string dictionaryString)
{
var cut = new DictionaryConverter();
var actual = cut.ToDictionary(dictionaryString);
Assert.Equal(new Dictionary <string, string>(), actual);
}
public void Test_throw_exception(string dictionaryString)
{
var cut = new DictionaryConverter();
var actual = Assert.Throws <ArgumentOutOfRangeException>(() =>
cut.ToDictionary(dictionaryString));
Assert.Contains(dictionaryString, actual.Message);
}
public void Test_Create_Dictionary_with_one_entry(string dictionaryString, string expected)
{
var cut = new DictionaryConverter();
var dic = cut.ToDictionary(dictionaryString);
var length = dictionaryString.IndexOf("=", StringComparison.Ordinal);
var key = dictionaryString.Substring(0, length);
var actual = dic[key];
Assert.Equal(expected, actual);
}
public void Test_Create_Dictionary_with_two_entries(string dictionaryString, params string[] expected)
{
// a very flexible test...
var cut = new DictionaryConverter();
var dic = cut.ToDictionary(dictionaryString);
var keys = dic.Keys.ToList();
Assert.All(keys, key =>
{
var index = keys.IndexOf(key);
var actual = dic[key];
Assert.Equal(expected[index], actual);
}
);
}
