public static IEnumerable <T> GetMany <T>(this TestContextHelper <T> helper, string testAttributeName, IFormatProvider formatProvider = null)
{
foreach (var kvp in helper.TestContext.GetTestContextPropertiesStartsWith(testAttributeName))
{
yield return(TestContextExtensions.Convert <T>(kvp.Value, formatProvider));
}
}
public static IEnumerable <T2> GetMany <T1, T2>(this TestContextHelper <T1> helper, Expression <Func <T1, T2> > expression, IFormatProvider formatProvider = null)
{
foreach (var kvp in helper.TestContext.GetTestContextPropertiesStartsWith(expression.GetMemberName()))
{
yield return(TestContextExtensions.Convert <T2>(kvp.Value, formatProvider));
}
}
public static TestContextHelper <T1> Fill <T1, T2>(this TestContextHelper <T1> helper, Expression <Func <T1, T2> > expression, IFormatProvider formatProvider = null) where T1 : new()
{
var propertyInfo = expression.GetMemberInfo() as PropertyInfo;
if (propertyInfo == null)
{
throw new ArgumentException("Expected PropertyInfo type as expression value");
}
var convertedValues = GetMany(helper, expression, formatProvider).ToArray();;
for (var i = 0; i < convertedValues.Length; i++)
{
if (helper.Instances.Count < i + 1)
{
helper.Instances.Add(new T1());
}
propertyInfo.SetValue(helper.Instances[i], convertedValues[i]);
}
return(helper);
}
public static T Get <T>(this TestContextHelper <T> helper, string testAttributeName, IFormatProvider formatProvider = null) => TestContextExtensions.Convert <T>(helper.TestContext.Get(testAttributeName), formatProvider);
public static T2 Get <T1, T2>(this TestContextHelper <T1> helper, Expression <Func <T1, T2> > expression, IFormatProvider formatProvider = null) => TestContextExtensions.Convert <T2>(helper.TestContext.Get(expression.GetMemberName()), formatProvider);
