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"""Tests xonsh contexts."""
from textwrap import dedent
from xonsh.contexts import Block, Functor
#
# helpers
#
X1_WITH = "x = 1\n" "with! Block() as b:\n"
SIMPLE_WITH = "with! Block() as b:\n"
FUNC_WITH = (
"x = 1\n"
"def func():\n"
" y = 1\n"
" with! Block() as b:\n"
"{body}"
" y += 1\n"
" return b\n"
"x += 1\n"
"rtn = func()\n"
"x += 1\n"
)
FUNC_OBSG = {"x": 3}
FUNC_OBSL = {"y": 1}
def norm_body(body):
if not isinstance(body, str):
body = "\n".join(body)
body = dedent(body)
body = body.splitlines()
return body
def block_checks_glb(name, glbs, body, obs=None):
block = glbs[name]
obs = obs or {}
for k, v in obs.items():
assert v == glbs[k]
body = norm_body(body)
assert body == block.lines
assert glbs is block.glbs
assert block.locs is None
def block_checks_func(name, glbs, body, obsg=None, obsl=None):
block = glbs[name]
obsg = obsg or {}
for k, v in obsg.items():
assert v == glbs[k]
body = norm_body(body)
assert body == block.lines
assert glbs is block.glbs
# local context tests
locs = block.locs
assert locs is not None
obsl = obsl or {}
for k, v in obsl.items():
assert v == locs[k]
#
# Block tests
#
def test_block_noexec(xonsh_execer_exec):
s = "x = 1\n" "with! Block():\n" " x += 42\n"
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
assert 1 == glbs["x"]
def test_block_oneline(xonsh_execer_exec):
body = " x += 42\n"
s = X1_WITH + body
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("b", glbs, body, {"x": 1})
def test_block_manylines(xonsh_execer_exec):
body = " ![echo wow mom]\n" "# bad place for a comment\n" " x += 42"
s = X1_WITH + body
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("b", glbs, body, {"x": 1})
def test_block_leading_comment(xonsh_execer_exec):
# leading comments do not show up in block lines
body = " # I am a leading comment\n" " x += 42\n"
s = X1_WITH + body
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("b", glbs, [" x += 42"], {"x": 1})
def test_block_trailing_comment(xonsh_execer_exec):
# trailing comments show up in block lines
body = " x += 42\n" " # I am a trailing comment\n"
s = X1_WITH + body
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("b", glbs, body, {"x": 1})
def test_block_trailing_line_continuation(xonsh_execer_exec):
body = " x += \\\n" " 42\n"
s = X1_WITH + body
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("b", glbs, body, {"x": 1})
def test_block_trailing_close_paren(xonsh_execer_exec):
body = ' x += int("42"\n' " )\n"
s = X1_WITH + body
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("b", glbs, body, {"x": 1})
def test_block_trailing_close_many(xonsh_execer_exec):
body = (
' x = {None: [int("42"\n'
" )\n"
" ]\n"
" }\n"
)
s = SIMPLE_WITH + body
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("b", glbs, body)
def test_block_trailing_triple_string(xonsh_execer_exec):
body = ' x = """This\n' "is\n" '"probably"\n' "'not' what I meant.\n" '"""\n'
s = SIMPLE_WITH + body
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("b", glbs, body)
def test_block_func_oneline(xonsh_execer_exec):
body = " x += 42\n"
s = FUNC_WITH.format(body=body)
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_func("rtn", glbs, body, FUNC_OBSG, FUNC_OBSL)
def test_block_func_manylines(xonsh_execer_exec):
body = " ![echo wow mom]\n" "# bad place for a comment\n" " x += 42\n"
s = FUNC_WITH.format(body=body)
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_func("rtn", glbs, body, FUNC_OBSG, FUNC_OBSL)
def test_block_func_leading_comment(xonsh_execer_exec):
# leading comments do not show up in block lines
body = " # I am a leading comment\n" " x += 42\n"
s = FUNC_WITH.format(body=body)
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_func("rtn", glbs, " x += 42\n", FUNC_OBSG, FUNC_OBSL)
def test_block_func_trailing_comment(xonsh_execer_exec):
# trailing comments show up in block lines
body = " x += 42\n" " # I am a trailing comment\n"
s = FUNC_WITH.format(body=body)
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_func("rtn", glbs, body, FUNC_OBSG, FUNC_OBSL)
def test_blockfunc__trailing_line_continuation(xonsh_execer_exec):
body = " x += \\\n" " 42\n"
s = FUNC_WITH.format(body=body)
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_func("rtn", glbs, body, FUNC_OBSG, FUNC_OBSL)
def test_block_func_trailing_close_paren(xonsh_execer_exec):
body = ' x += int("42"\n' " )\n"
s = FUNC_WITH.format(body=body)
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_func("rtn", glbs, body, FUNC_OBSG, FUNC_OBSL)
def test_block_func_trailing_close_many(xonsh_execer_exec):
body = (
' x = {None: [int("42"\n'
" )\n"
" ]\n"
" }\n"
)
s = FUNC_WITH.format(body=body)
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_func("rtn", glbs, body, FUNC_OBSG, FUNC_OBSL)
def test_block_func_trailing_triple_string(xonsh_execer_exec):
body = ' x = """This\n' "is\n" '"probably"\n' "'not' what I meant.\n" '"""\n'
s = FUNC_WITH.format(body=body)
glbs = {"Block": Block}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_func("rtn", glbs, body, FUNC_OBSG, FUNC_OBSL)
#
# Functor tests
#
X2_WITH = "{var} = 1\n" "with! Functor() as f:\n" "{body}" "{var} += 1\n" "{calls}\n"
def test_functor_oneline_onecall_class(xonsh_execer_exec):
body = " global y\n" " y += 42\n"
calls = "f()"
s = X2_WITH.format(body=body, calls=calls, var="y")
glbs = {"Functor": Functor}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("f", glbs, body, {"y": 44})
def test_functor_oneline_onecall_func(xonsh_execer_exec):
body = " global z\n" " z += 42\n"
calls = "f.func()"
s = X2_WITH.format(body=body, calls=calls, var="z")
glbs = {"Functor": Functor}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("f", glbs, body, {"z": 44})
def test_functor_oneline_onecall_both(xonsh_execer_exec):
body = " global x\n" " x += 42\n"
calls = "f()\nf.func()"
s = X2_WITH.format(body=body, calls=calls, var="x")
glbs = {"Functor": Functor}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("f", glbs, body, {"x": 86})
XA_WITH = "x = [1]\n" "with! Functor() as f:\n" "{body}" "x.append(2)\n" "{calls}\n"
def test_functor_oneline_append(xonsh_execer_exec):
body = " x.append(3)\n"
calls = "f()\n"
s = XA_WITH.format(body=body, calls=calls)
glbs = {"Functor": Functor}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("f", glbs, body, {"x": [1, 2, 3]})
def test_functor_return(xonsh_execer_exec):
body = " x = 42"
t = "res = 0\n" 'with! Functor(rtn="x") as f:\n' "{body}\n" "res = f()\n"
s = t.format(body=body)
glbs = {"Functor": Functor}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("f", glbs, body, {"res": 42})
def test_functor_args(xonsh_execer_exec):
body = " x = 42 + a"
t = (
"res = 0\n"
'with! Functor(args=("a",), rtn="x") as f:\n'
"{body}\n"
"res = f(2)\n"
)
s = t.format(body=body)
glbs = {"Functor": Functor}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("f", glbs, body, {"res": 44})
def test_functor_kwargs(xonsh_execer_exec):
body = " x = 42 + a + b"
t = (
"res = 0\n"
'with! Functor(kwargs={{"a": 1, "b": 12}}, rtn="x") as f:\n'
"{body}\n"
"res = f(b=6)\n"
)
s = t.format(body=body)
glbs = {"Functor": Functor}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("f", glbs, body, {"res": 49})
def test_functor_fullsig(xonsh_execer_exec):
body = " x = 42 + a + b + c"
t = (
"res = 0\n"
'with! Functor(args=("c",), kwargs={{"a": 1, "b": 12}}, rtn="x") as f:\n'
"{body}\n"
"res = f(55)\n"
)
s = t.format(body=body)
glbs = {"Functor": Functor}
xonsh_execer_exec(s, glbs=glbs, locs=None)
block_checks_glb("f", glbs, body, {"res": 110})
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