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"""Tests for parseHelpers module."""
import unittest
from imago.data.enums import Player
from imago.engine import parseHelpers
TEST_BOARD_SIZE = 19
class TestParseHelpers(unittest.TestCase):
"""Test parseHelpers module."""
def testParseMove(self):
"""Test parsing of GtpMove"""
wrongMoves = [
["B"],
["A1"],
["B", "A1", "W"]
]
for move in wrongMoves:
self.assertRaises(
RuntimeError,
parseHelpers.parseMove,
move, TEST_BOARD_SIZE
)
parsedMove = parseHelpers.parseMove(["B", "t1"], TEST_BOARD_SIZE)
targetMove = parseHelpers.GtpMove(Player.BLACK, (18, 18))
self.assertEqual(parsedMove.color, targetMove.color)
self.assertEqual(parsedMove.vertex, targetMove.vertex)
def testParseColor(self):
"""Test parsing of color"""
self.assertEqual(parseHelpers.parseColor("b"), Player.BLACK)
self.assertEqual(parseHelpers.parseColor("B"), Player.BLACK)
self.assertEqual(parseHelpers.parseColor("w"), Player.WHITE)
self.assertEqual(parseHelpers.parseColor("W"), Player.WHITE)
self.assertRaises(RuntimeError, parseHelpers.parseColor, "bw")
self.assertRaises(RuntimeError, parseHelpers.parseColor, "wb")
def testParseVertexWrongInputs(self):
"""Test wrong inputs for parseVertex."""
inputs = ( "a", "1", "1a", "aa1", "a0", "u1", "a"+str(TEST_BOARD_SIZE+1) )
for text in inputs:
self.assertRaises(
RuntimeError,
parseHelpers.parseVertex,
text, TEST_BOARD_SIZE
)
def testParseVertexCorrectInputs(self):
"""Test correct inputs and their resulting coordinates for parseVertex."""
self.assertEqual(parseHelpers.parseVertex(
"a1", TEST_BOARD_SIZE),
(18,0))
self.assertEqual(parseHelpers.parseVertex(
"b1", TEST_BOARD_SIZE),
(18,1))
self.assertEqual(parseHelpers.parseVertex(
"a2", TEST_BOARD_SIZE),
(17,0))
self.assertEqual(parseHelpers.parseVertex(
"b2", TEST_BOARD_SIZE),
(17,1))
self.assertEqual(parseHelpers.parseVertex(
"T1", TEST_BOARD_SIZE),
(18,18))
self.assertEqual(parseHelpers.parseVertex(
"T19", TEST_BOARD_SIZE),
(0,18))
self.assertEqual(parseHelpers.parseVertex(
"A19", TEST_BOARD_SIZE),
(0,0))
self.assertEqual(parseHelpers.parseVertex(
"pass", TEST_BOARD_SIZE),
"pass")
def testVertexToString(self):
"""Test converting vertices to strings."""
# Try with vertices as tuples
self.assertEqual(parseHelpers.vertexToString((0,0), TEST_BOARD_SIZE), "A19")
self.assertEqual(parseHelpers.vertexToString((1,0), TEST_BOARD_SIZE), "A18")
self.assertEqual(parseHelpers.vertexToString((2,0), TEST_BOARD_SIZE), "A17")
self.assertEqual(parseHelpers.vertexToString((0,1), TEST_BOARD_SIZE), "B19")
# Try with vertices as arrays
self.assertEqual(parseHelpers.vertexToString([0,2], TEST_BOARD_SIZE), "C19")
self.assertEqual(parseHelpers.vertexToString([0,18], TEST_BOARD_SIZE), "T19")
self.assertEqual(parseHelpers.vertexToString([18,0], TEST_BOARD_SIZE), "A1")
self.assertEqual(parseHelpers.vertexToString([18,18], TEST_BOARD_SIZE), "T1")
self.assertEqual(parseHelpers.vertexToString("pass", TEST_BOARD_SIZE), "pass")
wrongVertices = [
(-1,0),
(0,-1),
(-1,-1),
(19,0),
[0,19],
[19,19],
[0],
[0,0,0]
]
for vertex in wrongVertices:
self.assertRaises(
RuntimeError,
parseHelpers.vertexToString,
vertex, TEST_BOARD_SIZE
)
if __name__ == '__main__':
unittest.main()
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