public void TestSelectNullExpressionEquals()
{
SelectNullExpression first = new SelectNullExpression()
{
Alias = "test"
};
SelectNullExpression firstClone = new SelectNullExpression()
{
Alias = "test"
};
SelectNullExpression second = new SelectNullExpression()
{
Alias = "test2"
};
//Equals
Assert.IsTrue(Equals(first, firstClone));
Assert.IsFalse(Equals(first, null));
Assert.IsFalse(Equals(first, second));
Assert.IsFalse(Equals(first, "other type"));
//Hash code
Assert.AreEqual(first.GetHashCode(), firstClone.GetHashCode());
Assert.AreNotEqual(first.GetHashCode(), second.GetHashCode());
}
public void TestSelectNullExpressionAccept()
{
Mock <KoraliumSqlVisitor> mock = new Mock <KoraliumSqlVisitor>();
SelectNullExpression selectNullExpression = new SelectNullExpression();
selectNullExpression.Accept(mock.Object);
mock.Verify(x => x.VisitSelectNullExpression(selectNullExpression));
}
public void TestVisitSelectNullExpression()
{
SelectNullExpression selectNullExpression = new SelectNullExpression();
KoraliumSqlVisitor koraliumSqlVisitor = new KoraliumSqlVisitor();
koraliumSqlVisitor.Visit(selectNullExpression);
//Nothing to verify yet, only that no exceptions are thrown
Assert.Pass();
}
public void TestSelectNullWithAlias()
{
var actual = new SelectNullExpression()
{
Alias = "c"
}.Print();
var expected = "NULL AS c";
actual.Should().Be(expected);
}
public void TestCloneSelectNullExpression()
{
SelectNullExpression selectNullExpression = new SelectNullExpression()
{
Alias = "test"
};
var clone = selectNullExpression.Clone() as SelectNullExpression;
Assert.AreEqual(selectNullExpression, clone);
Assert.IsFalse(ReferenceEquals(selectNullExpression, clone));
}
public virtual void VisitSelectNullExpression(SelectNullExpression selectNullExpression)
{
//NOP
}
