debugpy/tests/func/test_evaluate.py

490 lines
18 KiB
Python

# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See LICENSE in the project root
# for license information.
from __future__ import print_function, with_statement, absolute_import
import sys
from tests.helpers import get_marked_line_numbers, print
from tests.helpers.pattern import ANY
from tests.helpers.session import DebugSession
def test_variables_and_evaluate(pyfile, run_as, start_method):
@pyfile
def code_to_debug():
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
a = 1
b = {"one": 1, "two": 2}
c = 3
print([a, b, c])
bp_line = 6
bp_file = code_to_debug
with DebugSession() as session:
session.initialize(
target=(run_as, bp_file),
start_method=start_method,
)
session.set_breakpoints(bp_file, [bp_line])
session.start_debugging()
hit = session.wait_for_thread_stopped()
resp_scopes = session.send_request('scopes', arguments={
'frameId': hit.frame_id,
}).wait_for_response()
scopes = resp_scopes.body['scopes']
assert len(scopes) > 0
resp_variables = session.send_request('variables', arguments={
'variablesReference': scopes[0]['variablesReference']
}).wait_for_response()
variables = list(v for v in resp_variables.body['variables'] if v['name'] in ['a', 'b', 'c'])
assert len(variables) == 3
# variables should be sorted alphabetically
assert ['a', 'b', 'c'] == list(v['name'] for v in variables)
# get contents of 'b'
resp_b_variables = session.send_request('variables', arguments={
'variablesReference': variables[1]['variablesReference']
}).wait_for_response()
b_variables = resp_b_variables.body['variables']
assert len(b_variables) == 3
assert b_variables[0] == {
'type': 'int',
'value': '1',
'name': ANY.such_that(lambda x: x.find('one') > 0),
'evaluateName': "b['one']",
'variablesReference': 0,
}
assert b_variables[1] == {
'type': 'int',
'value': '2',
'name': ANY.such_that(lambda x: x.find('two') > 0),
'evaluateName': "b['two']",
'variablesReference': 0,
}
assert b_variables[2] == {
'type': 'int',
'value': '2',
'name': '__len__',
'evaluateName': "len(b)",
'variablesReference': 0,
'presentationHint': {'attributes': ['readOnly']},
}
# simple variable
resp_evaluate1 = session.send_request('evaluate', arguments={
'expression': 'a', 'frameId': hit.frame_id,
}).wait_for_response()
assert resp_evaluate1.body == ANY.dict_with({
'type': 'int',
'result': '1'
})
# dict variable
resp_evaluate2 = session.send_request('evaluate', arguments={
'expression': 'b["one"]', 'frameId': hit.frame_id,
}).wait_for_response()
assert resp_evaluate2.body == ANY.dict_with({
'type': 'int',
'result': '1'
})
# expression evaluate
resp_evaluate3 = session.send_request('evaluate', arguments={
'expression': 'a + b["one"]', 'frameId': hit.frame_id,
}).wait_for_response()
assert resp_evaluate3.body == ANY.dict_with({
'type': 'int',
'result': '2'
})
session.send_request('continue').wait_for_response(freeze=False)
session.wait_for_exit()
def test_set_variable(pyfile, run_as, start_method):
@pyfile
def code_to_debug():
import backchannel
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
import ptvsd
a = 1
ptvsd.break_into_debugger()
backchannel.write_json(a)
with DebugSession() as session:
session.initialize(
target=(run_as, code_to_debug),
start_method=start_method,
use_backchannel=True,
)
session.start_debugging()
hit = session.wait_for_thread_stopped()
resp_scopes = session.send_request('scopes', arguments={
'frameId': hit.frame_id
}).wait_for_response()
scopes = resp_scopes.body['scopes']
assert len(scopes) > 0
resp_variables = session.send_request('variables', arguments={
'variablesReference': scopes[0]['variablesReference']
}).wait_for_response()
variables = list(v for v in resp_variables.body['variables'] if v['name'] == 'a')
assert len(variables) == 1
assert variables[0] == {
'type': 'int',
'value': '1',
'name': 'a',
'evaluateName': "a",
'variablesReference': 0,
}
resp_set_variable = session.send_request('setVariable', arguments={
'variablesReference': scopes[0]['variablesReference'],
'name': 'a',
'value': '1000'
}).wait_for_response()
assert resp_set_variable.body == ANY.dict_with({
'type': 'int',
'value': '1000'
})
session.send_request('continue').wait_for_response(freeze=False)
assert session.read_json() == 1000
session.wait_for_exit()
def test_variable_sort(pyfile, run_as, start_method):
@pyfile
def code_to_debug():
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
b_test = {"spam": "A", "eggs": "B", "abcd": "C"} # noqa
_b_test = 12 # noqa
__b_test = 13 # noqa
__b_test__ = 14 # noqa
a_test = 1 # noqa
_a_test = 2 # noqa
__a_test = 3 # noqa
__a_test__ = 4 # noqa
c_test = {1: "one", 2: "two", 10: "ten"} # noqa
_c_test = 22 # noqa
__c_test = 23 # noqa
__c_test__ = 24 # noqa
d = 3 # noqa
print('done')
bp_line = 15
bp_file = code_to_debug
with DebugSession() as session:
session.initialize(
target=(run_as, bp_file),
start_method=start_method,
)
session.set_breakpoints(bp_file, [bp_line])
session.start_debugging()
hit = session.wait_for_thread_stopped()
resp_scopes = session.send_request('scopes', arguments={
'frameId': hit.frame_id
}).wait_for_response()
scopes = resp_scopes.body['scopes']
assert len(scopes) > 0
resp_variables = session.send_request('variables', arguments={
'variablesReference': scopes[0]['variablesReference']
}).wait_for_response()
variable_names = list(
v['name']
for v in resp_variables.body['variables']
if v['name'].find('_test') > 0
)
assert variable_names == [
'a_test', 'b_test', 'c_test', '_a_test', '_b_test', '_c_test',
'__a_test', '__b_test', '__c_test', '__a_test__', '__b_test__',
'__c_test__'
]
# ensure string dict keys are sorted
b_test_variable = list(v for v in resp_variables.body['variables'] if v['name'] == 'b_test')
assert len(b_test_variable) == 1
resp_dict_variables = session.send_request('variables', arguments={
'variablesReference': b_test_variable[0]['variablesReference']
}).wait_for_response()
variable_names = list(v['name'][1:5] for v in resp_dict_variables.body['variables'])
assert len(variable_names) == 4
assert variable_names[:3] == ['abcd', 'eggs', 'spam']
# ensure numeric dict keys are sorted
c_test_variable = list(v for v in resp_variables.body['variables'] if v['name'] == 'c_test')
assert len(c_test_variable) == 1
resp_dict_variables2 = session.send_request('variables', arguments={
'variablesReference': c_test_variable[0]['variablesReference']
}).wait_for_response()
variable_names = list(v['name'] for v in resp_dict_variables2.body['variables'])
assert len(variable_names) == 4
# NOTE: this is commented out due to sorting bug #213
# assert variable_names[:3] == ['1', '2', '10']
session.send_request('continue').wait_for_response(freeze=False)
session.wait_for_exit()
def test_return_values(pyfile, run_as, start_method):
@pyfile
def code_to_debug():
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
class MyClass(object):
def do_something(self):
return 'did something'
def my_func():
return 'did more things'
MyClass().do_something() # @bp
my_func()
print('done')
line_numbers = get_marked_line_numbers(code_to_debug)
print(line_numbers)
expected1 = ANY.dict_with({
'name': '(return) MyClass.do_something',
'value': "'did something'",
'type': 'str',
'presentationHint': ANY.dict_with({
'attributes': ANY.such_that(lambda x: 'readOnly' in x)
}),
})
expected2 = ANY.dict_with({
'name': '(return) my_func',
'value': "'did more things'",
'type': 'str',
'presentationHint': ANY.dict_with({
'attributes': ANY.such_that(lambda x: 'readOnly' in x)
}),
})
with DebugSession() as session:
session.initialize(
target=(run_as, code_to_debug),
start_method=start_method,
debug_options=['ShowReturnValue'],
)
session.set_breakpoints(code_to_debug, [line_numbers['bp']])
session.start_debugging()
hit = session.wait_for_thread_stopped()
session.send_request('next', {'threadId': hit.thread_id}).wait_for_response()
hit = session.wait_for_thread_stopped(reason='step')
resp_scopes = session.send_request('scopes', arguments={
'frameId': hit.frame_id
}).wait_for_response()
scopes = resp_scopes.body['scopes']
assert len(scopes) > 0
resp_variables = session.send_request('variables', arguments={
'variablesReference': scopes[0]['variablesReference']
}).wait_for_response()
variables = list(
v for v in resp_variables.body['variables']
if v['name'].startswith('(return)')
)
assert variables == [expected1]
session.send_request('next', {'threadId': hit.thread_id}).wait_for_response()
hit = session.wait_for_thread_stopped(reason='step')
# Scope should not have changed so use the same scope
resp_variables = session.send_request('variables', arguments={
'variablesReference': scopes[0]['variablesReference']
}).wait_for_response()
variables = list(
v for v in resp_variables.body['variables']
if v['name'].startswith('(return)')
)
assert variables == [expected1, expected2]
session.send_request('continue').wait_for_response()
session.wait_for_exit()
def test_unicode(pyfile, run_as, start_method):
# On Python 3, variable names can contain Unicode characters.
# On Python 2, they must be ASCII, but using a Unicode character in an expression should not crash debugger.
@pyfile
def code_to_debug():
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
import ptvsd
# Since Unicode variable name is a SyntaxError at parse time in Python 2,
# this needs to do a roundabout way of setting it to avoid parse issues.
globals()[u'\u16A0'] = 123
ptvsd.break_into_debugger()
print('break')
with DebugSession() as session:
session.initialize(
target=(run_as, code_to_debug),
start_method=start_method,
)
session.start_debugging()
hit = session.wait_for_thread_stopped()
resp_eval = session.send_request('evaluate', arguments={
'expression': '\u16A0', 'frameId': hit.frame_id,
}).wait_for_response()
if sys.version_info >= (3,):
assert resp_eval.body == ANY.dict_with({
'type': 'int',
'result': '123'
})
else:
assert resp_eval.body == ANY.dict_with({
'type': 'SyntaxError'
})
session.send_request('continue').wait_for_response(freeze=False)
session.wait_for_exit()
def test_hex_numbers(pyfile, run_as, start_method):
@pyfile
def code_to_debug():
from dbgimporter import import_and_enable_debugger
import_and_enable_debugger()
a = 100
b = [1, 10, 100]
c = {10: 10, 100: 100, 1000: 1000}
d = {(1, 10, 100): (10000, 100000, 100000)}
print((a, b, c, d)) # @bp
line_numbers = get_marked_line_numbers(code_to_debug)
print(line_numbers)
with DebugSession() as session:
session.initialize(
target=(run_as, code_to_debug),
start_method=start_method,
)
session.set_breakpoints(code_to_debug, [line_numbers['bp']])
session.start_debugging()
hit = session.wait_for_thread_stopped()
resp_scopes = session.send_request('scopes', arguments={
'frameId': hit.frame_id
}).wait_for_response()
scopes = resp_scopes.body['scopes']
assert len(scopes) > 0
resp_variables = session.send_request('variables', arguments={
'variablesReference': scopes[0]['variablesReference'],
'format': {'hex': True}
}).wait_for_response()
variables = list(v for v in resp_variables.body['variables']
if v['name'] in ('a', 'b', 'c', 'd'))
a, b, c, d = sorted(variables, key=lambda v: v['name'])
assert a == ANY.dict_with({
'name': 'a',
'value': "0x64",
'type': 'int',
'evaluateName': 'a',
'variablesReference': 0,
})
assert b == ANY.dict_with({
'name': 'b',
'value': "[0x1, 0xa, 0x64]",
'type': 'list',
'evaluateName': 'b',
'variablesReference': ANY.dap_id,
})
resp_variables = session.send_request('variables', arguments={
'variablesReference': b['variablesReference'],
'format': {'hex': True}
}).wait_for_response()
b_children = resp_variables.body['variables']
assert b_children == [
{'name': '0x0', 'value': '0x1', 'type': 'int', 'evaluateName': 'b[0]', 'variablesReference': 0, },
{'name': '0x1', 'value': '0xa', 'type': 'int', 'evaluateName': 'b[1]', 'variablesReference': 0, },
{'name': '0x2', 'value': '0x64', 'type': 'int', 'evaluateName': 'b[2]', 'variablesReference': 0, },
{'name': '__len__', 'value': '0x3', 'type': 'int', 'evaluateName': 'len(b)', 'variablesReference': 0, 'presentationHint': {'attributes': ['readOnly']}, },
]
assert c == ANY.dict_with({
'name': 'c',
'value': '{0xa: 0xa, 0x64: 0x64, 0x3e8: 0x3e8}',
'type': 'dict',
'evaluateName': 'c',
'variablesReference': ANY.dap_id,
})
resp_variables = session.send_request('variables', arguments={
'variablesReference': c['variablesReference'],
'format': {'hex': True}
}).wait_for_response()
c_children = resp_variables.body['variables']
assert c_children == [
{'name': '0x3e8', 'value': '0x3e8', 'type': 'int', 'evaluateName': 'c[1000]', 'variablesReference': 0, },
{'name': '0x64', 'value': '0x64', 'type': 'int', 'evaluateName': 'c[100]', 'variablesReference': 0, },
{'name': '0xa', 'value': '0xa', 'type': 'int', 'evaluateName': 'c[10]', 'variablesReference': 0, },
{'name': '__len__', 'value': '0x3', 'type': 'int', 'evaluateName': 'len(c)', 'variablesReference': 0, 'presentationHint': {'attributes': ['readOnly']}, }
]
assert d == ANY.dict_with({
'name': 'd',
'value': '{(0x1, 0xa, 0x64): (0x2710, 0x186a0, 0x186a0)}',
'type': 'dict',
'evaluateName': 'd',
'variablesReference': ANY.dap_id,
})
resp_variables = session.send_request('variables', arguments={
'variablesReference': d['variablesReference'],
'format': {'hex': True}
}).wait_for_response()
d_children = resp_variables.body['variables']
assert d_children == [
{'name': '(0x1, 0xa, 0x64)', 'value': '(0x2710, 0x186a0, 0x186a0)', 'type': 'tuple', 'evaluateName': 'd[(1, 10, 100)]', 'variablesReference': ANY.dap_id},
{'name': '__len__', 'value': '0x1', 'type': 'int', 'evaluateName': 'len(d)', 'variablesReference': 0, 'presentationHint': {'attributes': ['readOnly']}, }
]
resp_variables = session.send_request('variables', arguments={
'variablesReference': d_children[0]['variablesReference'],
'format': {'hex': True}
}).wait_for_response()
d_child_of_child = resp_variables.body['variables']
assert d_child_of_child == [
{'name': '0x0', 'value': '0x2710', 'type': 'int', 'evaluateName': 'd[(1, 10, 100)][0]', 'variablesReference': 0, },
{'name': '0x1', 'value': '0x186a0', 'type': 'int', 'evaluateName': 'd[(1, 10, 100)][1]', 'variablesReference': 0, },
{'name': '0x2', 'value': '0x186a0', 'type': 'int', 'evaluateName': 'd[(1, 10, 100)][2]', 'variablesReference': 0, },
{'name': '__len__', 'value': '0x3', 'type': 'int', 'evaluateName': 'len(d[(1, 10, 100)])', 'variablesReference': 0, 'presentationHint': {'attributes': ['readOnly']}, }
]
session.send_request('continue').wait_for_response(freeze=False)
session.wait_for_exit()