public void IsValidThrowsExceptionWhenPropertyNotSet()
{
var r = new DecimalPrecisionRule("ARuleName");
// Act
var result = r.IsValid(this.Values);
}
public void IsValidThrowsExceptionIfValuesIsNull()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
// Act
var result = r.IsValid(null);
}
public void IsValidThrowsExceptionWhenScaleNotSet()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10);
// Act
var result = r.IsValid(this.Values);
}
public void IsValidThrowsExceptionIfDictionaryIsEmpty()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
this.Values.Clear();
// Act
var result = r.IsValid(this.Values);
}
// This may seem wrong, but the lact of a value is not an error
// for this rule. That must be checked with a RequiredRule or a WhenRequiredRule.
public void IsValidReturnsTrueIfPropertyIsNotInValuesDictionary()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
// Act
var result = r.IsValid(this.Values);
// Assert
Assert.IsTrue(result);
}
private void TestIsValidWithNullEquivalent(string Value)
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
this.Values.Add("APropertyName", Value);
// Act
var result = r.IsValid(this.Values);
// Assert
Assert.IsTrue(result);
}
public void IsValidReturnsTrueWhenDecimalDoesNotExist()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
this.Values.Add("APropertyName", "12312345");
// Act
var result = r.IsValid(this.Values);
// Assert
Assert.IsTrue(result);
}
public void IsValidReturnsTrueWhenDecimalPortionIsLessThanScale()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
this.Values.Add("APropertyName", "123.456");
// Act
var result = r.IsValid(this.Values);
// Assert
Assert.IsTrue(result);
}
public void IsValidReturnsTrueWhenNumberIsExactlyAsLongAsPrecisionWithoutDecimalPoint()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
this.Values.Add("APropertyName", "1234567890");
// Act
var result = r.IsValid(this.Values);
// Assert
Assert.IsTrue(result);
}
public void IsValidReturnsTrueWhenNumberIsExactlyAsLongAsPrecisionWithDecimalPointAndNegativeSign()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(9).Scale(6);
this.Values.Add("APropertyName", "-123.123456");
// Act
var result = r.IsValid(this.Values);
// Assert
Assert.IsTrue(result);
}
public void IsValidReturnsFalseWhenValueCannotBeCastAsDecimal()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
this.Values.Add("APropertyName", "I am not a number");
// Act
var result = r.IsValid(this.Values);
// Assert
Assert.IsFalse(result);
Assert.AreEqual("APropertyName value of \"I am not a number\" cannot be interpreted as a Decimal value. Rule not applied.",
r.ErrorMessage);
}
public void IsValidReturnsFalseWhenDecimalIsGreaterThanScale()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
this.Values.Add("APropertyName", "123.123456");
// Act
var result = r.IsValid(this.Values);
// Assert
Assert.IsFalse(result);
Assert.AreEqual("APropertyName value of \"123.123456\" has more digits in the decimal part of the number than the specified Scale of 5",
r.ErrorMessage);
}
public void IsValidReturnsFalseWhenNumberIsLongerThanPrecision()
{
// Arrange
var r = new DecimalPrecisionRule("ARuleName").Property("APropertyName").Precision(10).Scale(5);
this.Values.Add("APropertyName", "1234567890123");
// Act
var result = r.IsValid(this.Values);
// Assert
Assert.IsFalse(result);
Assert.AreEqual("APropertyName value of \"1234567890123\" is greater than the specified Precision of 10",
r.ErrorMessage);
}