233 lines
6.5 KiB
Python
233 lines
6.5 KiB
Python
# Copyright (c) 2013 Paul Tagliamonte <paultag@debian.org>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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from hy.models.expression import HyExpression
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from hy.models.integer import HyInteger
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from hy.models.lambdalist import HyLambdaListKeyword
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from hy.models.float import HyFloat
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from hy.models.complex import HyComplex
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from hy.models.symbol import HySymbol
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from hy.models.string import HyString
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from hy.models.dict import HyDict
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from hy.lex.states import LexException
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from hy.lex import tokenize
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def test_lex_exception():
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""" Ensure tokenize throws a fit on a partial input """
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try:
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tokenize("(foo")
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assert True is False
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except LexException:
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pass
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try:
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tokenize("&foo&")
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assert True is False
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except LexException:
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pass
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def test_unbalanced_exception():
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"""Ensure the tokenization fails on unbalanced expressions"""
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try:
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tokenize("(bar))")
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assert True is False
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except LexException:
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pass
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try:
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tokenize("(baz [quux]])")
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assert True is False
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except LexException:
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pass
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def test_lex_expression_symbols():
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""" Make sure that expressions produce symbols """
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objs = tokenize("(foo bar)")
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assert objs == [HyExpression([HySymbol("foo"), HySymbol("bar")])]
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def test_lex_expression_strings():
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""" Test that expressions can produce symbols """
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objs = tokenize("(foo \"bar\")")
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assert objs == [HyExpression([HySymbol("foo"), HyString("bar")])]
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def test_lex_expression_integer():
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""" Make sure expressions can produce integers """
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objs = tokenize("(foo 2)")
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assert objs == [HyExpression([HySymbol("foo"), HyInteger(2)])]
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def test_lex_lambda_list_keyword():
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""" Make sure expressions can produce lambda list keywords """
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objs = tokenize("(x &rest xs)")
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assert objs == [HyExpression([HySymbol("x"),
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HyLambdaListKeyword("&rest"),
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HySymbol("xs")])]
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def test_lex_symbols():
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""" Make sure that symbols are valid expressions"""
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objs = tokenize("foo ")
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assert objs == [HySymbol("foo")]
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def test_lex_strings():
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""" Make sure that strings are valid expressions"""
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objs = tokenize("\"foo\" ")
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assert objs == [HyString("foo")]
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def test_lex_integers():
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""" Make sure that integers are valid expressions"""
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objs = tokenize("42 ")
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assert objs == [HyInteger(42)]
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def test_lex_expression_float():
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""" Make sure expressions can produce floats """
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objs = tokenize("(foo 2.)")
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assert objs == [HyExpression([HySymbol("foo"), HyFloat(2.)])]
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objs = tokenize("(foo -0.5)")
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assert objs == [HyExpression([HySymbol("foo"), HyFloat(-0.5)])]
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objs = tokenize("(foo 1.e7)")
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assert objs == [HyExpression([HySymbol("foo"), HyFloat(1.e7)])]
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def test_lex_expression_complex():
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""" Make sure expressions can produce complex """
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objs = tokenize("(foo 2.j)")
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assert objs == [HyExpression([HySymbol("foo"), HyComplex(2.j)])]
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objs = tokenize("(foo -0.5j)")
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assert objs == [HyExpression([HySymbol("foo"), HyComplex(-0.5j)])]
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objs = tokenize("(foo 1.e7j)")
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assert objs == [HyExpression([HySymbol("foo"), HyComplex(1.e7j)])]
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def test_lex_line_counting():
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""" Make sure we can count lines / columns """
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entry = tokenize("(foo (one two))")[0]
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assert entry.start_line == 1
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assert entry.start_column == 1
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assert entry.end_line == 1
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assert entry.end_column == 15
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entry = entry[1]
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assert entry.start_line == 1
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assert entry.start_column == 6
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assert entry.end_line == 1
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assert entry.end_column == 14
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def test_lex_line_counting_multi():
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""" Make sure we can do multi-line tokenization """
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entries = tokenize("""
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(foo (one two))
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(foo bar)
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""")
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entry = entries[0]
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assert entry.start_line == 2
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assert entry.start_column == 1
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assert entry.end_line == 2
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assert entry.end_column == 15
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entry = entries[1]
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assert entry.start_line == 3
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assert entry.start_column == 1
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assert entry.end_line == 3
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assert entry.end_column == 9
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def test_lex_line_counting_multi_inner():
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""" Make sure we can do multi-line tokenization (inner) """
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entry = tokenize("""(foo
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bar)""")[0]
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inner = entry[0]
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assert inner.start_line == 1
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assert inner.start_column == 2
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inner = entry[1]
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assert inner.start_line == 2
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assert inner.start_column == 5
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def test_dicts():
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""" Ensure that we can tokenize a dict. """
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objs = tokenize("{foo bar bar baz}")
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assert objs == [HyDict({
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"foo": "bar",
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"bar": "baz"
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})]
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objs = tokenize("(bar {foo bar bar baz})")
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assert objs == [HyExpression([HySymbol("bar"),
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HyDict({"foo": "bar",
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"bar": "baz"})])]
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def test_nospace():
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""" Ensure we can tokenize without spaces if we have to """
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entry = tokenize("(foo(one two))")[0]
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assert entry.start_line == 1
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assert entry.start_column == 1
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assert entry.end_line == 1
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assert entry.end_column == 14
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entry = entry[1]
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assert entry.start_line == 1
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assert entry.start_column == 5
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assert entry.end_line == 1
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assert entry.end_column == 13
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def test_escapes():
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""" Ensure we can escape things """
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entry = tokenize("(foo \"foo\\n\")")[0]
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assert entry[1] == "foo\n"
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try:
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entry = tokenize("(foo \"foo\s\")")[0]
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assert True is False
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except LexException:
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pass
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def test_hashbang():
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""" Ensure we can escape things """
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entry = tokenize("#!this is a comment\n")
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assert entry == []
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