public void Run_ShouldThrowError_IfRandomFileGiven()
{
var fileSystem = new MockFileSystem();
var filePath = "randomfilePath";
var nasa = new Nasa(fileSystem);
var exception = Assert.Throws <Exception>(() => nasa.Run(filePath));
Assert.Equal("Instruction file not found!", exception.Message);
}
public void Run_ShouldThrowError_IfInstructionSetIsInvalid()
{
var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData>
{
{ @"./randomfilePath.txt", new MockFileData("") },
});
var filePath = "./randomfilePath.txt";
var nasa = new Nasa(fileSystem);
var exception = Assert.Throws <Exception>(() => nasa.Run(filePath));
Assert.Equal("Invalid instruction set!", exception.Message);
}
public void Run_ShouldMoveCorrectly(string input, string expected)
{
var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData>
{
{ @"./randomfilePath.txt", new MockFileData(input) },
});
var filePath = "./randomfilePath.txt";
var nasa = new Nasa(fileSystem);
var result = nasa.Run(filePath);
Assert.Single(result);
Assert.Equal(expected, result[0].ToString());
}
public void Run_ShouldReturnOneRover_IfOneRoversInstructionsGiven()
{
var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData>
{
{ @"./randomfilePath.txt", new MockFileData(
"5 5" + Environment.NewLine +
"1 1 N" + Environment.NewLine +
"LRMMM") },
});
var filePath = "./randomfilePath.txt";
var nasa = new Nasa(fileSystem);
var result = nasa.Run(filePath);
Assert.Single(result);
}
public void Run_ShouldThrowError_IfThereIsAnInvalidInstruction()
{
var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData>
{
{ @"./randomfilePath.txt", new MockFileData(
"5 5" + Environment.NewLine +
"1 1 N" + Environment.NewLine +
"LRXMMM") },
});
var filePath = "./randomfilePath.txt";
var nasa = new Nasa(fileSystem);
var exception = Assert.Throws <Exception>(() => nasa.Run(filePath));
Assert.Equal("Invalid instruction!", exception.Message);
}
public void Run_ShouldThrowError_IfPlateauCoordinatesIsInvalid()
{
var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData>
{
{ @"./randomfilePath.txt", new MockFileData(
"A B" + Environment.NewLine +
"1 1 N" + Environment.NewLine +
"LRMMMM") },
});
var filePath = "./randomfilePath.txt";
var nasa = new Nasa(fileSystem);
var exception = Assert.Throws <Exception>(() => nasa.Run(filePath));
Assert.Equal("Invalid plateau coordinates!", exception.Message);
}
public void Run_ShouldRoverBeInTheSamePosition_IfFourLeftInstructionsGiven()
{
var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData>
{
{ @"./randomfilePath.txt", new MockFileData(
"5 5" + Environment.NewLine +
"1 1 N" + Environment.NewLine +
"LLLL") },
});
var filePath = "./randomfilePath.txt";
var nasa = new Nasa(fileSystem);
var result = nasa.Run(filePath);
Assert.Single(result);
Assert.Equal("1 1 N", result[0].ToString());
}