hisscl/test/test_parser.py

243 lines
10 KiB
Python

from hisscl import parser, ast
import unittest
import io
class TestLiterals(unittest.TestCase):
def test_integer(self):
val = parser.Parser(io.StringIO('1234'), 'TestLiterals.test_integer')._parse_value()
self.assertIsInstance(val, ast.Integer)
assert type(val) is ast.Integer
self.assertEqual(val.value, 1234)
def test_float(self):
val = parser.Parser(io.StringIO('1234.5678'), 'TestLiterals.test_float')._parse_value()
self.assertIsInstance(val, ast.Float)
assert type(val) is ast.Float
self.assertEqual(val.value, 1234.5678)
def test_string(self):
val = parser.Parser(io.StringIO('"test \\" \\u26a7"'), 'TestLiterals.test_string')._parse_value()
self.assertIsInstance(val, ast.String)
assert type(val) is ast.String
self.assertEqual(val.value, 'test " \u26a7')
def test_bool(self):
val = parser.Parser(io.StringIO('true'), 'TestLiterals.test_bool')._parse_value()
self.assertIsInstance(val, ast.Bool)
assert type(val) is ast.Bool
self.assertEqual(val.value, True)
def test_heredoc(self):
val = parser.Parser(io.StringIO('<<EOT\nthis\nis\na\nmultiline\nstring\nEOT'), 'TestLiterals.test_heredoc')._parse_value()
self.assertIsInstance(val, ast.String)
assert type(val) is ast.String
self.assertEqual(val.value, '\nthis\nis\na\nmultiline\nstring\n')
class TestCollections(unittest.TestCase):
def test_tuple(self):
val = parser.Parser(io.StringIO('[1, 2.0, "3", true]'), 'TestCollections.test_tuple')._parse_value()
self.assertIsInstance(val, ast.Tuple)
assert type(val) is ast.Tuple
self.assertEqual(val.items, [
ast.Integer(
pos = ast.Position(name="TestCollections.test_tuple", line=1, col=2),
value = 1,
),
ast.Float(
pos = ast.Position(name="TestCollections.test_tuple", line=1, col=5),
value = 2.0,
),
ast.String(
pos = ast.Position(name="TestCollections.test_tuple", line=1, col=10),
value = "3",
),
ast.Bool(
pos = ast.Position(name="TestCollections.test_tuple", line=1, col=15),
value = True,
),
])
def test_object(self):
val = parser.Parser(io.StringIO('{true: 2.0, "3": 4, 5.0: "6"}'), 'TestCollections.test_object')._parse_value()
self.assertIsInstance(val, ast.Object)
assert type(val) is ast.Object
self.assertEqual(val.items, [
(
ast.Bool(
pos = ast.Position(name="TestCollections.test_object", line=1, col=2),
value = True,
),
ast.Float(
pos = ast.Position(name="TestCollections.test_object", line=1, col=8),
value = 2.0,
),
),
(
ast.String(
pos = ast.Position(name="TestCollections.test_object", line=1, col=13),
value = "3",
),
ast.Integer(
pos = ast.Position(name="TestCollections.test_object", line=1, col=18),
value = 4,
),
),
(
ast.Float(
pos = ast.Position(name="TestCollections.test_object", line=1, col=21),
value = 5.0,
),
ast.String(
pos = ast.Position(name="TestCollections.test_object", line=1, col=26),
value = "6",
),
)
])
class TestExpressions(unittest.TestCase):
def test_bare_value(self):
val = parser.Parser(io.StringIO('1234'), 'TestExpressions.test_bare_value')._parse_expr()
self.assertIsInstance(val, ast.Integer)
assert type(val) is ast.Integer
self.assertEqual(val.value, 1234)
def test_binary(self):
val = parser.Parser(io.StringIO('1234 == 5678'), 'TestExpressions.test_binary')._parse_expr()
self.assertEqual(val, ast.BinaryExpression(
pos = ast.Position(name='TestExpressions.test_binary', line=1, col=1),
left = ast.Integer(
pos = ast.Position(name='TestExpressions.test_binary', line=1, col=1),
value = 1234,
),
op = ast.Operator(
pos = ast.Position(name='TestExpressions.test_binary', line=1, col=6),
value = '==',
),
right = ast.Integer(
pos = ast.Position(name='TestExpressions.test_binary', line=1, col=9),
value = 5678
),
))
def test_binary_nested(self):
val = parser.Parser(io.StringIO('(1234 - 5) == 5678'), 'TestExpressions.test_binary_nested')._parse_expr()
self.assertEqual(val, ast.BinaryExpression(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=2),
left = ast.BinaryExpression(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=2),
left = ast.Integer(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=2),
value = 1234,
),
op = ast.Operator(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=7),
value = '-',
),
right = ast.Integer(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=9),
value = 5,
),
),
op = ast.Operator(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=12),
value = '==',
),
right = ast.Integer(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=15),
value = 5678
),
))
def test_binary_multi(self):
val = parser.Parser(io.StringIO('1234 == 5678 - 4444'), 'TestExpressions.test_binary_nested')._parse_expr()
self.assertEqual(val, ast.BinaryExpression(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=1),
left = ast.Integer(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=1),
value = 1234,
),
op = ast.Operator(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=6),
value = '==',
),
right = ast.BinaryExpression(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=9),
left = ast.Integer(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=9),
value = 5678
),
op = ast.Operator(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=14),
value = '-',
),
right = ast.Integer(
pos = ast.Position(name='TestExpressions.test_binary_nested', line=1, col=16),
value = 4444,
),
),
))
def test_expansion(self):
val = parser.Parser(io.StringIO('x(y...)'), 'TestExpressions.test_expansion')._parse_expr()
self.assertEqual(val, ast.FunctionCall(
pos = ast.Position(name='TestExpressions.test_expansion', line=1, col=2),
value = ast.VariableRef(
pos = ast.Position(name='TestExpressions.test_expansion', line=1, col=1),
name = 'x',
),
args = [
ast.Expansion(
pos = ast.Position(name='TestExpressions.test_expansion', line=1, col=3),
value = ast.VariableRef(
pos = ast.Position(name='TestExpressions.test_expansion', line=1, col=3),
name = 'y',
),
),
],
))
def test_index(self):
val = parser.Parser(io.StringIO('x[0]'), 'TestExpressions.test_index')._parse_expr()
self.assertIsInstance(val, ast.Index)
assert type(val) is ast.Index
self.assertEqual(val.value, ast.VariableRef(
pos = ast.Position(name='TestExpressions.test_index', line=1, col=1),
name = 'x',
))
self.assertEqual(val.index, ast.Integer(
pos = ast.Position(name='TestExpressions.test_index', line=1, col=3),
value = 0,
))
def test_index_legacy(self):
val = parser.Parser(io.StringIO('x.0'), 'TestExpressions.test_index_legacy')._parse_expr()
self.assertIsInstance(val, ast.Index)
assert type(val) is ast.Index
self.assertEqual(val.value, ast.VariableRef(
pos = ast.Position(name='TestExpressions.test_index_legacy', line=1, col=1),
name = 'x',
))
self.assertEqual(val.index, ast.Integer(
pos = ast.Position(name='TestExpressions.test_index_legacy', line=1, col=3),
value = 0,
))
def test_getattr(self):
val = parser.Parser(io.StringIO('x.y'), 'TestExpressions.test_getattr')._parse_expr()
self.assertIsInstance(val, ast.GetAttr)
assert type(val) is ast.GetAttr
self.assertEqual(val.value, ast.VariableRef(
pos = ast.Position(name='TestExpressions.test_getattr', line=1, col=1),
name = 'x',
))
self.assertEqual(val.attr, 'y')
def test_unary(self):
val = parser.Parser(io.StringIO('!true'), 'TestExpressions.test_unary')._parse_value()
self.assertIsInstance(val, ast.UnaryExpression)
assert type(val) is ast.UnaryExpression
self.assertEqual(val.op.value, '!')
self.assertEqual(val.value, ast.Bool(
pos = ast.Position(name="TestExpressions.test_unary", line=1, col=2),
value = True,
))