public void ShouldParseEmptyString()
{
// Given
var parser = new QuerySyntaxTreeParser();
// When
var result1 = parser.Parse("");
var result2 = parser.Parse(null);
// Then
Assert.IsTrue(result1 == null || !result1.Any());
Assert.IsTrue(result2 == null || !result2.Any());
}
public void ShouldParseOneExpression([ValueSource(nameof(Expressions))] ExpressionTestCase expression)
{
// Given
var parser = new QuerySyntaxTreeParser();
// When
var result = parser.Parse(expression.Expression)?.ToArray();
// Then
Assert.IsNotNull(result);
Assert.AreEqual(1, result.Length);
expression.Assertion(result[0]);
}
public void ShouldParseTwoExpression([ValueSource(nameof(Expressions))] ExpressionTestCase expression1,
[ValueSource(nameof(Expressions))] ExpressionTestCase expression2)
{
// Given
var parser = new QuerySyntaxTreeParser();
// When
var result = parser.Parse($"{expression1.Expression}, {expression2.Expression}")?.ToArray();
// Then
Assert.IsNotNull(result);
Assert.AreEqual(2, result.Length);
expression1.Assertion(result[0]);
expression2.Assertion(result[1]);
}