def test_commandType(self):
""" Simple test, no jumps"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/add/Add.asm')
goodRes = ['A', 'C', 'A', 'C', 'A', 'C']
first = True
for res in goodRes:
if not first:
testParser.advance()
print str(res) + " : " + str(testParser.getLine())
self.assertEqual(testParser.commandType(), res)
first = False
def test_commandTypeLabel(self):
""" More complicated test, includes Labels"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/Max.asm')
goodRes = [
'A', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'L', 'A', 'C',
'L', 'A', 'C', 'L', 'A', 'C'
]
first = True
for res in goodRes:
if not first:
testParser.advance()
print str(res) + " : " + str(testParser.getLine())
self.assertEqual(testParser.commandType(), res)
first = False
class MyTestCase(unittest.TestCase):
def setUp(self):
self.testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/add/Add.asm')
def test_removeCommentsAndWhitespace(self):
test_list = ['//ssss', ' ', 'one', 'two', '//three', 'three']
output = Parser.removeCommentsAndWhitespace(test_list)
self.assertEqual(output, ['one', 'two', 'three'])
def test_init(self):
""" Parser setup should read the first line of the file"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/add/Add.asm')
self.assertEqual(self.testParser.getLine(0), "@2")
self.assertEqual(self.testParser.getLine(3), "D=D+A")
self.assertEqual(testParser.getNumberLines(), 6)
def test_advance(self):
""" Test that advance moves us to the second line of the file"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/add/Add.asm')
self.assertEqual(self.testParser.getLine(), "@2")
self.testParser.advance()
self.assertEqual(self.testParser.getLine(), "D=A")
def test_hasMoreCommands(self):
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/add/Add.asm')
self.assertTrue(
testParser.hasMoreCommands()) # Line 1 - should be true
testParser.advance()
self.assertTrue(
testParser.hasMoreCommands()) # Line 2 - should be true
testParser.advance()
testParser.advance()
self.assertTrue(
testParser.hasMoreCommands()) # Line 4 - should be true
testParser.advance()
testParser.advance()
self.assertFalse(
testParser.hasMoreCommands()) # Line 6 - should be false
def test_commandType(self):
""" Simple test, no jumps"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/add/Add.asm')
goodRes = ['A', 'C', 'A', 'C', 'A', 'C']
first = True
for res in goodRes:
if not first:
testParser.advance()
print str(res) + " : " + str(testParser.getLine())
self.assertEqual(testParser.commandType(), res)
first = False
def test_commandTypeJump(self):
""" More complicated test, includes jumps"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/MaxL.asm')
goodRes = [
'A', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'A',
'C', 'A', 'C'
]
first = True
for res in goodRes:
if not first:
testParser.advance()
print str(res) + " : " + str(testParser.getLine())
self.assertEqual(testParser.commandType(), res)
first = False
def test_commandTypeLabel(self):
""" More complicated test, includes Labels"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/Max.asm')
goodRes = [
'A', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'A', 'C', 'L', 'A', 'C',
'L', 'A', 'C', 'L', 'A', 'C'
]
first = True
for res in goodRes:
if not first:
testParser.advance()
print str(res) + " : " + str(testParser.getLine())
self.assertEqual(testParser.commandType(), res)
first = False
def test_symbol(self):
""" return symbol for A commands"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/MaxL.asm')
self.assertEqual(testParser.symbol(), "0")
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.symbol(), "10")
def test_symbolNotACommand(self):
""" return symbol for A commands"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/MaxL.asm')
self.assertEqual(testParser.symbol(), "0")
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.symbol(), "-1")
def test_symbolL(self):
""" return symbol for L commands"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/Max.asm')
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.symbol(), "OUTPUT_FIRST")
def test_dest(self):
""" Return the dest mnemonic for a C command"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/MaxL.asm')
testParser.advance()
self.assertEqual(testParser.dest(), 'D')
def test_destNoDest(self):
""" Return the dest mnemonic for a C command - this case has no dest mnemonic - should return None"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/MaxL.asm')
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.dest(), 'None')
def test_comp(self):
""" Return the comp mnenomic for a C command """
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/MaxL.asm')
testParser.advance()
self.assertEqual(testParser.comp(), 'M')
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.comp(), 'D')
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.comp(), '0')
def test_jump(self):
""" Return the jump mnemonic for a C command """
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/MaxL.asm')
testParser.advance()
self.assertEqual(testParser.jump(), 'NOJUMP')
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.jump(), 'JGT')
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.jump(), 'JMP')
def test_destComments(self):
""" Return the dest mnemonic for a C command - this case has no dest mnemonic - should return None"""
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/Max.asm')
testParser.advance()
self.assertEqual(testParser.dest(), 'D')
def test_compComments(self):
""" Return the comp mnenomic for a C command """
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/Max.asm')
testParser.advance()
self.assertEqual(testParser.comp(), 'M')
testParser.advance()
testParser.advance()
self.assertEqual(testParser.comp(), 'D-M')
testParser.advance()
testParser.advance()
self.assertEqual(testParser.comp(), 'D')
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.comp(), '0')
def test_jumpComments(self):
""" Return the jump mnemonic for a C command """
testParser = Parser(
'/Users/Sean/Desktop/nand2tetris/projects/06/max/Max.asm')
testParser.advance()
self.assertEqual(testParser.jump(), 'NOJUMP')
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.jump(), 'JGT')
testParser.advance()
testParser.advance()
testParser.advance()
testParser.advance()
self.assertEqual(testParser.jump(), 'JMP')
if __name__ == '__main__':
unittest.main()