public void Rewrite_NullableWithHasValueAndPropertyEquality_RewritesHasValue()
{
Expression <Func <LdapGroup, bool> > input = e => e.PhoneNumber.HasValue && e.PhoneNumber == 1234567890;
// ReSharper disable once RedundantLogicalConditionalExpressionOperand
Expression <Func <LdapGroup, bool> > expected = e => true && e.PhoneNumber == 1234567890;
Expression rewritten = new BooleanRewriter().Visit(input);
Assert.AreEqual(expected.ToString(), rewritten?.ToString());
}
public void Rewrite_Conditional_RewritesCorrectly()
{
Expression <Func <LdapGroup, bool> > input = e =>
("test".Equals("test")
? e.DistinguishedName == "cn=fakegroup,dc=example,dc=com"
: e.PhoneNumber == 1234567890);
Expression <Func <LdapGroup, bool> > expected = e => e.DistinguishedName == "cn=fakegroup,dc=example,dc=com";
Expression rewritten = new BooleanRewriter().Visit(input);
Assert.AreEqual(expected.ToString(), rewritten?.ToString());
}
public void Rewrite_NullableWithHasValueAndPropertyEquality_RewritesHasValue()
{
//prepare
DateTime?now = DateTime.Now;
var expression1 = _queryContext.Query <BooleanRewriterTest>().Where(e => now.HasValue && e.Property1 == now.Value).Expression;
var expression2 = _queryContext.Query <BooleanRewriterTest>().Where(e => true && e.Property1 == now.Value).Expression;
//act
var rewritten = new BooleanRewriter().Rewrite(expression1);
//assert
expression2.ToString().Should().Be.EqualTo(rewritten.ToString());
}
public void Rewrite_HasValueAndMethodAndPropertyEquality_RewritesHasValueAndMethodToSingleTrue()
{
//prepare
DateTime?now = DateTime.Now;
_queryContext.Query <BooleanRewriterTest>().Where(e => now.HasValue && e.Property1 == now.Value && !"true".Equals("true"));
var expression1 = _queryContext.ActiveProvider.CurrentExpression;
_queryContext.Query <BooleanRewriterTest>().Where(e => true && e.Property1 == now.Value && false);
var expression2 = _queryContext.ActiveProvider.CurrentExpression;
var rewritten = new BooleanRewriter().Rewrite(expression1);
expression2.ToString().Should().Be.EqualTo(rewritten.ToString());
}
public void Rewrite_NullableWithHasValueAndPropertyEqualityAndBoolCast_RewritesHasValue()
{
//prepare
DateTime?now = DateTime.Now;
_queryContext.Query <BooleanRewriterTest>().Where(e => (e.Property2 == "test") || (e.Property1 == now.Value && now.HasValue is bool && (bool)(now.HasValue as object) == true));
var expression1 = _queryContext.ActiveProvider.CurrentExpression;
_queryContext.Query <BooleanRewriterTest>().Where(e => e.Property2 == "test" || (e.Property1 == now.Value && true && true));
var expression2 = _queryContext.ActiveProvider.CurrentExpression;
//act
var rewritten = new BooleanRewriter().Rewrite(expression1);
//assert
expression2.ToString().Should().Be.EqualTo(rewritten.ToString());
}
public void Rewrite_Conditional_RewritesCorrectly()
{
//prepare
DateTime?now = DateTime.Now;
_queryContext.Query <BooleanRewriterTest>().Where(e => "test".Equals("test") ? e.Property2 == "test" : e.Property1 == now.Value);
var expression1 = _queryContext.ActiveProvider.CurrentExpression;
_queryContext.Query <BooleanRewriterTest>().Where(e => e.Property2 == "test");
var expression2 = _queryContext.ActiveProvider.CurrentExpression;
//act
var rewritten = new BooleanRewriter().Rewrite(expression1);
//assert
expression2.ToString().Should().Be.EqualTo(rewritten.ToString());
}
public void Rewrite_HasValueAndMethodWithParameterAndPropertyEquality_RewritesHasValueAndMethod()
{
//prepare
DateTime?now = DateTime.Now;
var list = new [] { "test" };
_queryContext.Query <BooleanRewriterTest>().Where(e => list.Length > 0 && list.Contains(e.Property2) && now.HasValue && e.Property1 == now.Value);
var expression1 = _queryContext.ActiveProvider.CurrentExpression;
_queryContext.Query <BooleanRewriterTest>().Where(e => true && list.Contains(e.Property2) && true && e.Property1 == now.Value);
var expression2 = _queryContext.ActiveProvider.CurrentExpression;
//act
var rewritten = new BooleanRewriter().Rewrite(expression1);
//assert
expression2.ToString().Should().Be.EqualTo(rewritten.ToString());
}
public void Rewrite_HasValueAndCollectionContainsWithOrCondition_RewritesHasValue()
{
//prepare
DateTime?now = DateTime.Now;
var list = new List <string> {
"test"
};
_queryContext.Query <BooleanRewriterTest>().Where(e => (list.Contains(e.Property2) && !e.Property3 && e.Property1 == now.Value) || now.HasValue);
var expression1 = _queryContext.ActiveProvider.CurrentExpression;
_queryContext.Query <BooleanRewriterTest>().Where(e => (list.Contains(e.Property2) && !e.Property3 && e.Property1 == now.Value) || true);
var expression2 = _queryContext.ActiveProvider.CurrentExpression;
//act
var rewritten = new BooleanRewriter().Rewrite(expression1);
//assert
expression2.ToString().Should().Be.EqualTo(rewritten.ToString());
}
