def test_parse_simple_list(self):
source = '(foo 1 2)'
tokens = ['foo', '1', '2']
assert_equals(tokens, parse(source))
def test_parse_quote_tick_on_list(self):
assert_equals(["quote", ["foo", "bar"]], parse("'(foo bar)"))
assert_equals(["quote", []], parse("'()"))
def test_parse_on_simple_list(self):
program = '(foo bar)'
assert_equals(['foo', 'bar'], parse(program))
def test_parse_quote_tick_on_atom(self):
assert_equals(["quote", "foo"], parse("'foo"))
assert_equals(["quote", "+"], parse("'+"))
assert_equals(["quote", "1"], parse("'1"))
def test_expand_single_quoted_list(self):
assert_equals(["foo", ["quote", ["+", "1", "2"]]],
parse("(foo '(+ 1 2))"))
assert_equals(["foo", ["quote", ["#t", "#f"]]],
parse("(foo '(#t #f))"))
def test_parse_exception_missing_paren(self):
with assert_raises_regexp(SyntaxError, 'Unbalanced expression'):
parse('(foo (bar x y)')
def test_expand_single_quoted_symbol(self):
assert_equals(["foo", ["quote", "bar"]], parse("(foo 'bar)"))
assert_equals(["foo", ["quote", "t"]], parse("(foo 't)"))
assert_equals(["foo", ["quote", "+"]], parse("(foo '+)"))
def test_parse_quote_tick_on_atom(self):
assert_equals(["quote", "foo"], parse("'foo"))
assert_equals(["quote", "+"], parse("'+"))
assert_equals(["quote", "1"], parse("'1"))
def test_nested_quotes(self):
assert_equals(["quote", ["quote", "foo"]], parse("''foo"))
assert_equals(["quote", ["quote", ["quote", "foo"]]], parse("'''foo"))
def test_expand_single_quoted_symbol(self):
assert_equals(["foo", ["quote", "bar"]], parse("(foo 'bar)"))
assert_equals(["foo", ["quote", "t"]], parse("(foo 't)"))
assert_equals(["foo", ["quote", "+"]], parse("(foo '+)"))
def test_expand_quotes_with_only_symbols(self):
assert_equals(["quote", "foo"], parse("'foo"))
assert_equals(["quote", ["quote", ["quote", "foo"]]], parse("'''foo"))
def test_parse_exception_extra_paren(self):
with assert_raises_regexp(SyntaxError, 'Expected EOF'):
parse('(foo (bar x y)))')
def test_parse_exception_missing_paren(self):
with assert_raises_regexp(SyntaxError, 'Unbalanced expression'):
parse('(foo (bar x y)')
def test_parse_on_nested_list(self):
program = '(foo (bar x y) (baz x))'
ast = ['foo',
['bar', 'x', 'y'],
['baz', 'x']]
assert_equals(ast, parse(program))
def test_parse_on_simple_list(self):
program = '(foo bar)'
assert_equals(['foo', 'bar'], parse(program))
def test_expand_single_quoted_list(self):
assert_equals(["foo", ["quote", ["+", "1", "2"]]], parse("(foo '(+ 1 2))"))
assert_equals(["foo", ["quote", ["#t", "#f"]]], parse("(foo '(#t #f))"))
def test_parse_on_nested_list(self):
program = '(foo (bar x y) (baz x))'
ast = ['foo', ['bar', 'x', 'y'], ['baz', 'x']]
assert_equals(ast, parse(program))
def test_expand_quotes_with_lists(self):
assert_equals(["quote", ["foo", "bar"]], parse("'(foo bar)"))
assert_equals(["quote", ["quote", ["quote", ["foo", "bar"]]]],
parse("'''(foo bar)"))
def test_parse_exception_extra_paren(self):
with assert_raises_regexp(SyntaxError, 'Expected EOF'):
parse('(foo (bar x y)))')
def test_parse_single_atom(self):
assert_equals('foo', parse('foo'))
def test_expand_quotes_with_only_symbols(self):
assert_equals(["quote", "foo"], parse("'foo"))
assert_equals(["quote", ["quote", ["quote", "foo"]]], parse("'''foo"))
def test_parse_quote_tick_on_list(self):
assert_equals(["quote", ["foo", "bar"]], parse("'(foo bar)"))
assert_equals(["quote", []], parse("'()"))
def test_nested_quotes(self):
assert_equals(["quote", ["quote", "foo"]], parse("''foo"))
assert_equals(["quote", ["quote", ["quote", "foo"]]], parse("'''foo"))
def test_nested_quotes_on_lists(self):
assert_equals(["quote", ["quote", ["foo", "bar"]]], parse("''(foo bar)"))
def test_expand_quotes_with_lists(self):
assert_equals(["quote", ["foo", "bar"]], parse("'(foo bar)"))
assert_equals(["quote", ["quote", ["quote", ["foo", "bar"]]]],
parse("'''(foo bar)"))
def test_parse_single_atom(self):
assert_equals('foo', parse('foo'))
def test_nested_quotes_on_lists(self):
assert_equals(["quote", ["quote", ["foo", "bar"]]],
parse("''(foo bar)"))
def test_parse_simple_list(self):
source = '(foo 1 2)'
tokens = ['foo', '1', '2']
assert_equals(tokens, parse(source))