public void MutantService_IsDnaValid_OneInvalidWhiteSpaceInTheMiddle_Fails()
{
//Arrange
MutantService service = GetMutantService();
string[] dna = { "AGT", "A C", "CCW" }; //==> " " is invalid
//Action & Asserts
Assert.ThrowsException <DnaInvalidException>(() => service.IsDnaValid(dna));
}
public void MutantService_IsDnaValid_OneInvalidLetterAtTheEnd_Fails()
{
//Arrange
MutantService service = GetMutantService();
string[] dna = { "AGT", "ATC", "CCW" }; //==> W is invalid
//Action & Asserts
Assert.ThrowsException <DnaInvalidException>(() => service.IsDnaValid(dna));
}
public void MutantService_IsDnaValid_DnaNxM_Fails()
{
//Arrange
MutantService service = GetMutantService();
string[] dna = { "AGA", "AT", "CCT" };
//Action & Asserts
Assert.ThrowsException <DnaInvalidException>(() => service.IsDnaValid(dna));
}
public void MutantService_IsDnaValid_DnaInNull_Fails()
{
//Arrange
MutantService service = GetMutantService();
string[] dna = null;
//Action & Asserts
Assert.ThrowsException <DnaInvalidException>(() => service.IsDnaValid(dna));
}
public void MutantService_IsDnaValid_ValidDna4x4_Succeeds()
{
//Arrange
MutantService service = GetMutantService();
string[] dna = { "AGTA", "ATCA", "ACCA", "TGAC" };
//Action
bool result = service.IsDnaValid(dna);
//Asserts
Assert.IsTrue(result);
}
public void MutantService_IsDnaValid_ValidDna5x5_Succeeds()
{
//Arrange
MutantService service = GetMutantService();
string[] dna =
{
"AGATT",
"TATGC",
"CCAGT",
"AACGT",
"CCGGT"
};
//Action
bool result = service.IsDnaValid(dna);
//Asserts
Assert.IsTrue(result);
}