public void CanonValueFilter()
{
var canon = new FilterCanonicalizer();
var valueFilter1 = new ValueFilter(Symbol("A.B"), true);
var valueFilter2 = new ValueFilter(Symbol("A.B"), true);
var valueFilter3 = new ValueFilter(Symbol("A.B"));
var valueFilter4 = new ValueFilter(Symbol("B.C"));
var canonValueFilter1 = valueFilter1.Canonicalize(canon);
var canonValueFilter2 = valueFilter2.Canonicalize(canon);
var canonValueFilter3 = valueFilter3.Canonicalize(canon);
var canonValueFilter4 = valueFilter4.Canonicalize(canon);
Assert.Same(canonValueFilter1, canonValueFilter2);
Assert.NotSame(canonValueFilter1, canonValueFilter3);
Assert.NotSame(canonValueFilter1, canonValueFilter4);
}
public void ValueFilter_Validates_Ok(ComparisonOperator comparison, Comparator comparator)
{
var filter = new ValueFilter();
filter.Comparator(comparator);
filter.ComparisonOperator(comparison);
filter.Value("test");
var validator = filter.ToFilterBuild();
var isSpecialCase = filter.ValidateOperationForComparator(comparator, comparison);
if (!isSpecialCase)
{
Assert.Throws <FilterException>(() => validator.Validate());
}
else
{
validator.Validate();
}
}
public void MatchKey_ImplicitKey_MatchesPrimaryKey()
{
var dataRow = new DataRow
{
FakeDataId = 43,
AnotherColumn = "test",
AnotherValueColumn = 33,
NormalColumn = "foo",
NullableColumn = null,
NullableValueColumn = null,
ValueColumn = 44
};
var target = new ValueFilterSet <DataRow>().MatchKey(
dataRow,
new DataAnnotationsDefinitionProvider());
Expression <Func <DataRow, int> > valueExpression = row => row.FakeDataId;
var expected = new ValueFilter(valueExpression, FilterType.Equality, dataRow.FakeDataId);
var actual = target.ValueFilters.First();
Assert.AreEqual(expected, actual);
}
/// <inheritdoc />
public override bool IsMatch(T value)
{
return(ValueFilter.IsMatch(value.Name));
}
/// <summary>
/// 设置构造器的参数。
/// </summary>
/// <param name="builder"></param>
/// <param name="name">参数名称。</param>
/// <param name="value">参数值，为null时，自动跳过。</param>
/// <param name="filter">过滤器。</param>
/// <returns>返回是否操作成功。</returns>
protected bool SetBuilderValue(System.Data.Common.DbConnectionStringBuilder builder, string name, object value, ValueFilter filter = null)
{
if (value == null)
{
return(false);
}
try {
if (filter != null)
{
value = filter(value);
if (value == null)
{
return(false);
}
}
if (value is string)
{
if (string.IsNullOrEmpty((string)value))
{
return(false);
}
}
if (name.IndexOf(' ') > -1)
{
builder[name] = value;
}
else
{
FastWrapper.Set(builder, name, value, System.Reflection.BindingFlags.IgnoreCase);
}
return(true);
} catch (System.Exception) {
return(false);
}
}
/// <summary>
/// 设置构造器的参数。
/// </summary>
/// <param name="builder"></param>
/// <param name="values">参数列表。</param>
/// <param name="name">标准命名。</param>
/// <param name="aliasName">别名。</param>
/// <param name="filter">过滤器。</param>
protected void SetBuilderValue(System.Data.Common.DbConnectionStringBuilder builder, Collections.Generic.NameValueCollection <object> values, string name, string aliasName, ValueFilter filter = null)
{
if (SetBuilderValue(builder, aliasName, values[name], filter))
{
values.Remove(name);
}
}
void AppendFilterInfo(StringBuilder sb, Column col, ValueFilter vf)
{
sb.AppendFormat("Column [{0}]: ({1} values selected)\r\n",
col.Name,
vf.ShowValues.Length);
}
private Expression <Func <RBaseScreener, bool> > GetPredicate <T>(ValueFilter <T> filter)
{
return(GetPredicate(filter.PropertyName, filter.Operation, filter.Value));
}
public ValueFilterNumbers()
{
_testDataGeneratedOutsideTimer = ValueFilterString.CreateValueFilterForTesting(TestVolume);
}
