public void ThrowsException_WhenTheCommandIsNullOrEmpty()
{
//arrange
string nullTestCommand = null;
string emptyTestCommand = "";
IParser testParser = new Traveller.Core.Providers.CommandParser();
//act and assert
Assert.ThrowsException <ArgumentNullException>(() => testParser.ParseParameters(nullTestCommand));
Assert.ThrowsException <ArgumentException>(() => testParser.ParseParameters(emptyTestCommand));
}
public void ReturnsEmptyListFromStrings_WhenTheCommandHasNoParameters(string fullCommand)
{
//arrange
IParser testParser = new Traveller.Core.Providers.CommandParser();
//act
IList <string> testList = testParser.ParseParameters(fullCommand);
//act and assert
Assert.IsNotNull(testList);
Assert.AreEqual(0, testList.Count);
//That means it`s not null, but it`s empty.
}
public void ThrowsException_WhenOneOFTheParametersIsNull()
{
//arrange
Mock <ICommandFactory> commandFactoryMock = new Mock <ICommandFactory>();
ICommandFactory nullCommandFactory = null;
string testCommand = "testCommand";
string nullTestCommand = null;
string emptyTestCommand = "";
IParser testParser = new Traveller.Core.Providers.CommandParser();
//act and assert
Assert.ThrowsException <ArgumentNullException>(() => testParser.ParseCommand(nullTestCommand, commandFactoryMock.Object));
Assert.ThrowsException <ArgumentException>(() => testParser.ParseCommand(emptyTestCommand, commandFactoryMock.Object));
Assert.ThrowsException <ArgumentNullException>(() => testParser.ParseCommand(testCommand, nullCommandFactory));
}
public void ReturnsListFromStringsWithoutTheActualCoomand_WhenTheCommandHasParameters(string fullCommand)
{
//arrange
IParser testParser = new Traveller.Core.Providers.CommandParser();
int expectedNumberOfParameters = fullCommand.Split().Length - 1;
List <string> expectedParametersList = fullCommand.Split().ToList();
expectedParametersList.RemoveAt(0);
//act
List <string> testList = testParser.ParseParameters(fullCommand).ToList();
//assert
Assert.AreEqual(expectedNumberOfParameters, testList.Count);
CollectionAssert.AreEquivalent(expectedParametersList, testList);
}
public void ReturnsCommand_WhenParametersAreCorrect()
{
//arrange
Mock <ICommandFactory> commandFactoryMock = new Mock <ICommandFactory>();
string testCommand = "testCommand";
IParser testParser = new Traveller.Core.Providers.CommandParser();
Mock <ICommand> expectedCommand = new Mock <ICommand>();
commandFactoryMock.Setup(x => x.CreateCommand(testCommand))
.Returns(expectedCommand.Object);
//act
ICommand testCommandObject = testParser.ParseCommand(testCommand, commandFactoryMock.Object);
//assert
Assert.AreEqual(expectedCommand.Object, testCommandObject);
}
