def test_matches(self):
accessor_error = sut.AccessorError(
sut.AccessErrorType.PRE_PROCESS_ERROR,
self._ERROR_INFO_WITH_DESCRIPTION)
cases = [
NEA(
'default',
actual=accessor_error,
expected=sut.accessor_error_matches(),
),
NEA(
'error',
actual=accessor_error,
expected=sut.accessor_error_matches(
error=asrt.is_(accessor_error.error)),
),
NEA(
'error_info',
actual=accessor_error,
expected=sut.accessor_error_matches(
error_info=asrt.is_(accessor_error.error_info)),
),
]
for case in cases:
with self.subTest(case.name):
case.expected.apply_without_message(self, case.actual)
def test(self):
# ARRANGE #
detail = sut.StringDetail('a detail')
child = sut.Node('child header', False, (), ())
root_header = 'root header'
root_data = True
root = sut.Node(root_header, root_data, (detail,), (child,))
# ACT & ASSERT #
self.assertEqual(root_header,
root.header,
'root header')
self.assertEqual(root_data,
root.data,
'root data')
expected_root_details = asrt.matches_singleton_sequence(
asrt.is_(detail)
)
expected_root_details.apply_with_message(self,
root.details,
'root details')
expected_root_children = asrt.matches_singleton_sequence(
asrt.is_(child)
)
expected_root_children.apply_with_message(self,
root.children,
'root children')
def test_not_matches(self):
# ARRANGE #
expected_instruction = Instruction()
expected_description = 'the description'
instruction_info = InstructionInfo(expected_instruction, expected_description)
expected_source = LineSequence(1, ('expected',))
actual_element = ParsedInstruction(expected_source, instruction_info)
cases = [
NameAndValue('mismatch on source',
sut.matches_instruction(asrt.not_(equals_line_sequence(expected_source)),
matches_instruction_info(asrt.equals(expected_description),
asrt.is_(expected_instruction)))
),
NameAndValue('mismatch on description',
sut.matches_instruction(equals_line_sequence(expected_source),
matches_instruction_info(asrt.not_(asrt.equals(expected_description)),
asrt.is_(expected_instruction)))
),
NameAndValue('mismatch on instruction',
sut.matches_instruction(equals_line_sequence(expected_source),
matches_instruction_info(asrt.not_(asrt.equals(expected_description)),
asrt.not_(asrt.is_(expected_instruction))))
),
]
for nav in cases:
with self.subTest(nav.name):
# ACT & ASSERT #
assert_that_assertion_fails(nav.value, actual_element)
def test_matches(self):
command = system_program_command('program', [])
stdin_data = ()
transformer = IdentityStringTransformer()
sut.matches_program(
command=asrt.is_(command),
stdin=asrt.is_(stdin_data),
transformer=asrt.matches_singleton_sequence(asrt.is_(transformer)),
)
def test_matches(self):
command = system_program_command('program', [])
stdin_data = StdinData([])
transformer = IdentityStringTransformer()
sut.matches_program(
command=asrt.is_(command),
stdin=asrt.is_(stdin_data),
transformer=asrt.is_(transformer),
)
def test_success(self):
# ARRANGE #
reference = data_symbol_utils.symbol_reference('symbol_name')
string_resolver = _StringResolverTestImpl(resolve_constant(STRING_VALUE), [reference])
assertion = sut.matches_resolver(sut.is_resolver_of_string_type(),
asrt.len_equals(1),
asrt.is_(STRING_VALUE),
asrt.is_(string_resolver))
# ACT & ASSERT #
assertion.apply_without_message(self, string_resolver)
def test_success(self):
# ARRANGE #
path_symbol = PathDdvSymbolContext(
'symbol_name', path_ddvs.of_rel_option(RelOptionType.REL_ACT))
reference = data_references.reference_to__on_direct_and_indirect(
path_symbol.name)
path_sdv = PathSdvTestImplWithConstantPathAndSymbolReferences(
path_symbol.ddv, [reference])
assertion = sut.matches_sdv(asrt.is_instance(PathSdv),
asrt.len_equals(1),
asrt.is_(path_symbol.ddv),
asrt.is_(path_sdv),
symbols=path_symbol.symbol_table)
# ACT & ASSERT #
assertion.apply_without_message(self, path_sdv)
def equals_container(
expected: SymbolContainer,
ignore_source_line: bool = True) -> Assertion[SymbolContainer]:
"""
:param expected: Must contain a data type value
"""
component_assertions = [
asrt.sub_component('value_type', SymbolContainer.value_type.fget,
asrt.is_(expected.value_type)),
]
if not ignore_source_line:
component_assertions.append(
asrt.sub_component(
'definition_source', SymbolContainer.definition_source.fget,
equals_line_sequence(expected.definition_source)))
component_assertions.append(
asrt.sub_component(
'source_location', SymbolContainer.source_location.fget,
asrt.is_none_or_instance_with(
SourceLocationInfo,
asrt_src_loc.is_valid_source_location_info())), )
expected_sdv = expected.sdv
assert isinstance(expected_sdv,
DataTypeSdv), 'All actual values must be DataTypeSdv'
component_assertions.append(
asrt.sub_component('sdv', SymbolContainer.sdv.fget,
equals_data_type_sdv(expected_sdv)))
return asrt.is_instance_with(SymbolContainer,
asrt.and_(component_assertions))
def is_resolver_of_data_type(data_value_type: DataValueType,
value_type: ValueType) -> ValueAssertion[rs.SymbolValueResolver]:
return asrt.is_instance_with(DataValueResolver,
asrt.and_([
asrt.sub_component('type_category',
rs.get_type_category,
asrt.is_(TypeCategory.DATA)),
asrt.sub_component('data_value_type',
get_data_value_type,
asrt.is_(data_value_type)),
asrt.sub_component('value_type',
rs.get_value_type,
asrt.is_(value_type)),
]))
def is_resolver_of_logic_type(logic_value_type: LogicValueType,
value_type: ValueType) -> ValueAssertion[rs.SymbolValueResolver]:
return asrt.is_instance_with(LogicValueResolver,
asrt.and_([
asrt.sub_component('type_category',
rs.get_type_category,
asrt.is_(TypeCategory.LOGIC)),
asrt.sub_component('logic_value_type',
get_logic_value_type,
asrt.is_(logic_value_type)),
asrt.sub_component('value_type',
rs.get_value_type,
asrt.is_(value_type)),
]))
def test_transformation_only_as_source_argument(self):
# ARRANGE #
transformer = StringTransformerPrimitiveSymbolContext(
'STRING_TRANSFORMER', string_transformers.to_uppercase())
for pgm_and_args_case in pgm_and_args_cases.cases_w_and_wo_argument_list__including_program_reference(
):
program_w_transformer = FullProgramAbsStx(
pgm_and_args_case.pgm_and_args,
transformation=transformer.abstract_syntax)
symbols = list(pgm_and_args_case.symbols) + [transformer]
with self.subTest(command=pgm_and_args_case.name):
# ACT & ASSERT #
CHECKER_WO_EXECUTION.check__abs_stx__layouts__source_variants__wo_input(
self, equivalent_source_variants__for_expr_parse__s__nsc,
program_w_transformer,
pgm_and_args_case.mk_arrangement(
SymbolContext.symbol_table_of_contexts(symbols)),
MultiSourceExpectation(
symbol_references=SymbolContext.
references_assertion_of_contexts(symbols),
primitive=lambda env: (asrt_pgm_val.matches_program(
asrt_command.
matches_command(driver=pgm_and_args_case.
expected_command_driver(env),
arguments=asrt.is_empty_sequence),
stdin=asrt_pgm_val.is_no_stdin(),
transformer=asrt.matches_singleton_sequence(
asrt.is_(transformer.primitive)),
))))
def is_skipped() -> Assertion[FullExeResult]:
return matches(status=asrt.is_(FullExeResultStatus.SKIPPED),
failure_info=asrt.is_none,
has_sds=asrt.equals(False),
sds=asrt.is_none,
has_action_to_check_outcome=asrt.equals(False),
action_to_check_outcome=asrt.is_none)
def is_skipped() -> ValueAssertion[FullExeResult]:
return matches(status=asrt.is_(FullExeResultStatus.SKIPPED),
failure_info=asrt.is_none,
has_sds=asrt.equals(False),
sds=asrt.is_none,
has_action_to_check_outcome=asrt.equals(False),
action_to_check_outcome=asrt.is_none)
def test_element_from_instruction_parser_SHOULD_be_assigned_to_section_contents_element(self):
expected_instruction_info = InstructionInfo(Instruction(),
'description')
expected = sut.ParsedInstruction(line_source.LineSequence(1,
('first line text',)),
expected_instruction_info)
parser = sut.standard_syntax_element_parser(_InstructionParserThatGivesConstant(expected))
source = _source_for_lines(['ignored', 'source', 'lines'])
# ACT #
element = parser.parse(ARBITRARY_FS_LOCATION_INFO, source)
# ASSERT #
element_assertion = matches_instruction(
source=asrt.is_(expected.source),
instruction_info=matches_instruction_info(
assertion_on_description=asrt.is_(expected_instruction_info.description),
assertion_on_instruction=asrt.is_(expected_instruction_info.instruction)))
element_assertion.apply_with_message(self, element, 'element')
def test_fail_due_to_unexpected_resolved_value(self):
# ARRANGE #
string_resolver = _StringResolverTestImpl(resolve_constant(STRING_VALUE))
assertion = sut.matches_resolver(asrt.anything_goes(),
asrt.anything_goes(),
asrt.not_(asrt.is_(STRING_VALUE)))
# ACT & ASSERT #
test_of_test_resources_util.assert_that_assertion_fails(assertion, string_resolver)
def is_value_type_restriction(expected: ValueType) -> ValueAssertion[ReferenceRestrictions]:
"""
Assertion on a :class:`ReferenceRestrictions`,
that it is a :class:`TypeCategoryRestriction`,
with a given :class:`TypeCategory`.
"""
expected_type_category = value_type.VALUE_TYPE_2_TYPE_CATEGORY[expected]
return asrt.is_instance_with(ValueTypeRestriction,
asrt.and_([
asrt.sub_component('value_type',
ValueTypeRestriction.value_type.fget,
asrt.is_(expected)),
asrt.sub_component('type_category',
ValueTypeRestriction.type_category.fget,
asrt.is_(expected_type_category)),
]),
)
def test_fail_due_to_unexpected_resolved_value(self):
# ARRANGE #
string_sdv = _StringSdvTestImpl(resolve_constant(STRING_DDV))
assertion = sut.matches_sdv(asrt.anything_goes(), asrt.anything_goes(),
asrt.not_(asrt.is_(STRING_DDV)))
# ACT & ASSERT #
test_of_test_resources_util.assert_that_assertion_fails(
assertion, string_sdv)
def test_accept_visitor_invokes_correct_method(self):
# ARRANGE #
operand1 = constant.MatcherWithConstantResult(False)
operand2 = constant.MatcherWithConstantResult(False)
matcher = sut.Disjunction([operand1, operand2])
return_value = 11
visitor = MatcherStdTypeVisitorTestAcceptImpl.new_w_default_to_raise_exception(
disjunction_action=assert_argument_satisfies__and_return(
self,
asrt.matches_sequence([asrt.is_(operand1),
asrt.is_(operand2)]),
return_value,
))
actual_return_value = matcher.accept(visitor)
# ASSERT #
self.assertEqual(return_value, actual_return_value, 'return value')
def test_failure_of_value_type(self):
# ARRANGE #
actual_container = StringSymbolValueContext.of_arbitrary_value(
).container
assertion_to_check = sut.matches_container(
value_type=asrt.is_(ValueType.PATH),
sdv=asrt.anything_goes(),
definition_source=asrt.anything_goes())
assert_that_assertion_fails(assertion_to_check, actual_container)
def test_look_ahead_state_pass(self):
# ARRANGE #
assertion = sut.assert_token_stream(look_ahead_state=asrt.is_(LookAheadState.NULL))
# ACT & ASSERT #
token_stream = TokenStream('')
self.assertTrue(token_stream.look_ahead_state is LookAheadState.NULL,
'sanity check: this test assumes that the constructor of the token parser '
'sets correct look-ahead state')
assertion.apply_without_message(self, token_stream)
def is_failure(status: FullExeResultStatus,
failure_info: ValueAssertion[Optional[FailureInfo]] = asrt.is_instance(FailureInfo),
sds: ValueAssertion[Optional[SandboxDirectoryStructure]] = asrt.anything_goes(),
action_to_check_outcome: ValueAssertion[Optional[ActionToCheckOutcome]] = asrt.anything_goes(),
) -> ValueAssertion[FullExeResult]:
return matches(status=asrt.is_(status),
sds=sds,
action_to_check_outcome=action_to_check_outcome,
failure_info=failure_info)
def test_fail(self):
# ARRANGE #
assertion = sut.assert_token_stream(look_ahead_state=asrt.is_(LookAheadState.NULL))
# ACT & ASSERT #
token_stream = TokenStream('a_token')
self.assertTrue(token_stream.look_ahead_state is LookAheadState.HAS_TOKEN,
'sanity check: this test assumes that the constructor of the token parser '
'sets correct look-ahead state')
assert_that_assertion_fails(assertion, token_stream)
def test_fail(self):
# ARRANGE #
assertion = sut.assert_token_stream(look_ahead_state=asrt.is_(LookAheadState.NULL))
# ACT & ASSERT #
token_stream = TokenStream('a_token')
self.assertTrue(token_stream.look_ahead_state is LookAheadState.HAS_TOKEN,
'sanity check: this test assumes that the constructor of the token parser '
'sets correct look-ahead state')
assert_that_assertion_fails(assertion, token_stream)
def test_look_ahead_state_pass(self):
# ARRANGE #
assertion = sut.assert_token_stream(look_ahead_state=asrt.is_(LookAheadState.NULL))
# ACT & ASSERT #
token_stream = TokenStream('')
self.assertTrue(token_stream.look_ahead_state is LookAheadState.NULL,
'sanity check: this test assumes that the constructor of the token parser '
'sets correct look-ahead state')
assertion.apply_without_message(self, token_stream)
def equals_simple_phase_step(
expected: SimplePhaseStep) -> Assertion[SimplePhaseStep]:
assert isinstance(expected, SimplePhaseStep), 'Must be SimplePhaseStep'
return asrt.and_([
asrt.sub_component('phase', SimplePhaseStep.phase.fget,
asrt.is_(expected.phase)),
asrt.sub_component('step', SimplePhaseStep.step.fget,
asrt.equals(expected.step)),
])
def test_resolver_SHOULD_be_given_as_argument_to_resolver_assertion(self):
# ARRANGE #
actual_resolver = string_resolvers.str_constant('s')
actual_container = container_of_builtin(actual_resolver)
assertion_that_is_expected_to_succeed = asrt.is_(actual_resolver)
assertion_to_check = sut.matches_container(assertion_that_is_expected_to_succeed,
assertion_on_source=asrt.anything_goes())
# ACT & ASSERT #
assertion_to_check.apply_without_message(self, actual_container)
def test_pass_with_default_assertion_on_restrictions(self):
# ARRANGE #
symbol_name = 'symbol name'
symbol_reference = SymbolReference(symbol_name,
r.ReferenceRestrictionsOnDirectAndIndirect(
vr.AnyDataTypeRestriction()))
assertion = exactly_lib_test.symbol.test_resources.symbol_usage_assertions.matches_reference(
asrt.is_(symbol_name))
# ACT & ASSERT #
assertion.apply_without_message(self, symbol_reference)
def is_xpass(sds: Assertion[Optional[SandboxDs]] = asrt.is_instance(SandboxDs),
action_to_check_outcome: Assertion[
Optional[ActionToCheckOutcome]] = asrt.is_instance(
ActionToCheckOutcome)) -> Assertion[FullExeResult]:
return matches(status=asrt.is_(FullExeResultStatus.XPASS),
failure_info=asrt.is_none,
has_sds=asrt.equals(True),
sds=sds,
has_action_to_check_outcome=asrt.equals(True),
action_to_check_outcome=action_to_check_outcome)
def is_type_category_restriction(expected: TypeCategory) -> ValueAssertion[ReferenceRestrictions]:
"""
Assertion on a :class:`ReferenceRestrictions`,
that it is a :class:`TypeCategoryRestriction`,
with a given :class:`TypeCategory`.
"""
return asrt.is_instance_with(TypeCategoryRestriction,
asrt.sub_component('type_category',
TypeCategoryRestriction.type_category.fget,
asrt.is_(expected)))
def test_pass_with_default_assertion_on_restrictions(self):
# ARRANGE #
symbol_name = 'symbol name'
symbol_reference = SymbolReference(symbol_name,
r.ReferenceRestrictionsOnDirectAndIndirect(
vr.ArbitraryValueWStrRenderingRestriction.of_any()))
assertion = symbol_usage_assertions.matches_reference(
asrt.is_(symbol_name))
# ACT & ASSERT #
assertion.apply_without_message(self, symbol_reference)
def test_accept_SHOULD_invoke_method_for_non_standard_matcher(self):
matcher = _BaseClassTestImpl()
return_value = 5
visitor = MatcherStdTypeVisitorTestAcceptImpl.new_w_default_to_raise_exception(
non_standard_action=assert_argument_satisfies__and_return(
self, asrt.is_(matcher), return_value))
# ACT & ASSERT #
actual_return_value = matcher.accept(visitor)
# ASSERT #
self.assertEqual(return_value, actual_return_value, 'return value')
def _run(self, expected: tcs.TestCaseStatus, initial: tcs.TestCaseStatus,
argument: str):
for source in equivalent_source_variants__with_source_check__consume_last_line(
self, argument):
self._check(
sut.Parser(), source,
Arrangement(test_case_status=initial,
actor=actor_that_runs_constant_actions()),
Expectation(configuration=asrt_conf.matches(
status=asrt.is_(expected))))
def equals_simple_phase_step(expected: SimplePhaseStep) -> ValueAssertion[SimplePhaseStep]:
assert isinstance(expected, SimplePhaseStep), 'Must be SimplePhaseStep'
return asrt.and_([
asrt.sub_component('phase',
SimplePhaseStep.phase.fget,
asrt.is_(expected.phase)),
asrt.sub_component('step',
SimplePhaseStep.step.fget,
asrt.equals(expected.step)),
])
def _run(self,
expected: tcs.TestCaseStatus,
initial: tcs.TestCaseStatus,
argument: str):
for source in equivalent_source_variants__with_source_check(self, argument):
self._check(sut.Parser(),
source,
Arrangement(test_case_status=initial,
actor=actor_that_runs_constant_actions()),
Expectation(configuration=asrt_conf.has(test_case_status=asrt.is_(expected))))
def test_matches(self):
# ARRANGE #
expected_detail = StringDetail('the string detail')
actual = sut.IndentedDetail([expected_detail])
# EXPECTATION #
assertion = sut.is_indented_detail(
details=asrt.matches_singleton_sequence(asrt.is_(expected_detail))
)
# ACT & ASSERT #
assertion.apply_without_message(self, actual)
def is_xpass(sds: ValueAssertion[Optional[SandboxDirectoryStructure]] =
asrt.is_instance(SandboxDirectoryStructure),
action_to_check_outcome: ValueAssertion[Optional[ActionToCheckOutcome]] =
asrt.is_instance(ActionToCheckOutcome)
) -> ValueAssertion[FullExeResult]:
return matches(status=asrt.is_(FullExeResultStatus.XPASS),
failure_info=asrt.is_none,
has_sds=asrt.equals(True),
sds=sds,
has_action_to_check_outcome=asrt.equals(True),
action_to_check_outcome=action_to_check_outcome)
def matches2(status: FullExeResultStatus,
sds: ValueAssertion[FullExeResult],
action_to_check_outcome: ValueAssertion[FullExeResult],
failure_info: ValueAssertion[Optional[FailureInfo]] = asrt.anything_goes()
) -> ValueAssertion[FullExeResult]:
return asrt.and_([
matches(status=asrt.is_(status),
failure_info=failure_info),
sds,
action_to_check_outcome,
])
def test_SHOULD_match_WHEN_references_match(self):
# ARRANGE #
actual_reference = data_references.reference_to__on_direct_and_indirect(
'referenced element')
actual_references = [actual_reference]
actual_sdv = arbitrary_sdv_with_references(actual_references)
assertion_to_check = _matches_string_matcher_sdv(
references=asrt.matches_sequence([asrt.is_(actual_reference)]), )
# ACT & ASSERT #
assertion_to_check.apply_without_message(self, actual_sdv)
def matches2(
status: FullExeResultStatus,
sds: Assertion[FullExeResult],
action_to_check_outcome: Assertion[FullExeResult],
failure_info: Assertion[Optional[FailureInfo]] = asrt.anything_goes()
) -> Assertion[FullExeResult]:
return asrt.and_([
matches(status=asrt.is_(status), failure_info=failure_info),
sds,
action_to_check_outcome,
])
def test_not_matches(self):
expected_command = system_program_command('program', [])
expected_stdin_data = StdinData([])
expected_transformer = IdentityStringTransformer()
assertion = sut.matches_program(
command=asrt.is_(expected_command),
stdin=asrt.is_(expected_stdin_data),
transformer=asrt.is_(expected_transformer),
)
actual_command = system_program_command('program', [])
actual_stdin_data = StdinData([])
actual_transformer = IdentityStringTransformer()
cases = [
NameAndValue('unexpected command',
Program(
command=actual_command,
stdin=expected_stdin_data,
transformation=expected_transformer
)
),
NameAndValue('unexpected stdin',
Program(
command=expected_command,
stdin=actual_stdin_data,
transformation=expected_transformer
)
),
NameAndValue('unexpected transformer',
Program(
command=expected_command,
stdin=expected_stdin_data,
transformation=actual_transformer
)
),
]
for case in cases:
with self.subTest(case.name):
assert_that_assertion_fails(assertion, case.value)
def test_element_from_instruction_parser_SHOULD_be_assigned_to_section_contents_element(
self):
expected_instruction_info = InstructionInfo(Instruction(),
'description')
expected = sut.ParsedInstruction(
line_source.LineSequence(1, ('first line text', )),
expected_instruction_info)
parser = sut.standard_syntax_element_parser(
_InstructionParserThatGivesConstant(expected))
source = _source_for_lines(['ignored', 'source', 'lines'])
# ACT #
element = parser.parse(ARBITRARY_FS_LOCATION_INFO, source)
# ASSERT #
element_assertion = matches_instruction(
source=asrt.is_(expected.source),
instruction_info=matches_instruction_info(
assertion_on_description=asrt.is_(
expected_instruction_info.description),
assertion_on_instruction=asrt.is_(
expected_instruction_info.instruction)))
element_assertion.apply_with_message(self, element, 'element')
def is_failure(
status: FullExeResultStatus,
failure_info: Assertion[Optional[FailureInfo]] = asrt.is_instance(
FailureInfo),
sds: Assertion[Optional[SandboxDs]] = asrt.anything_goes(),
action_to_check_outcome: Assertion[
Optional[ActionToCheckOutcome]] = asrt.anything_goes(),
) -> Assertion[FullExeResult]:
return matches(status=asrt.is_(status),
sds=sds,
action_to_check_outcome=action_to_check_outcome,
failure_info=failure_info)
def test_matches(self):
# ARRANGE #
instruction = Instruction()
description = 'the description'
instruction_info = InstructionInfo(instruction, description)
actual_element = ParsedInstruction(LINE_SEQUENCE, instruction_info)
assertion = sut.matches_instruction(equals_line_sequence(LINE_SEQUENCE),
matches_instruction_info(asrt.equals(description),
asrt.is_(instruction)))
# ACT & ASSERT #
assertion.apply_without_message(self, actual_element)
def test_SHOULD_match_WHEN_references_match(self):
# ARRANGE #
actual_reference = data_symbol_utils.symbol_reference('referenced element')
actual_references = [actual_reference]
actual_resolver = arbitrary_resolver_with_references(actual_references)
assertion_to_check = sut.matches_string_matcher_resolver(references=asrt.matches_sequence([
asrt.is_(actual_reference)
]),
)
# ACT & ASSERT #
assertion_to_check.apply_without_message(self, actual_resolver)
def expected_program(
env: AssertionResolvingEnvironment) -> Assertion[Program]:
return asrt_pgm_val.matches_program(
asrt_command.matches_command(
driver=pgm_and_args_case.expected_command_driver(env),
arguments=asrt.equals(arguments),
),
stdin=asrt.matches_singleton_sequence(
asrt_str_src.matches__str(
asrt.equals(str_src_contents), )),
transformer=asrt.matches_singleton_sequence(
asrt.is_(transformer_symbol.primitive)),
)
def test_matches(self):
ex = ValueError('an exception')
cases = [
NEA('expected type of exception',
expected=
sut.matches_exception(asrt.is_(ex)),
actual=
FailureDetails.new_exception(ex),
),
]
for case in cases:
with self.subTest(case.name):
case.expected.apply_without_message(self, case.actual)
def test_arbitrary_failure(self):
# ARRANGE #
actual_container = container_of_builtin(string_resolvers.str_constant('s'))
actual_definition = SymbolDefinition('the name',
actual_container)
assertion_that_is_expected_to_succeed = asrt.not_(asrt.is_(actual_container))
assertion_to_check = exactly_lib_test.symbol.test_resources.symbol_usage_assertions.matches_definition(
name=asrt.anything_goes(),
container=assertion_that_is_expected_to_succeed)
# ACT & ASSERT #
assert_that_assertion_fails(assertion_to_check, actual_definition)
def test_container_SHOULD_be_given_as_argument_to_assertion_on_container(self):
# ARRANGE #
actual_container = container_of_builtin(string_resolvers.str_constant('s'))
actual_definition = SymbolDefinition('the name',
actual_container)
assertion_that_is_expected_to_succeed = asrt.is_(actual_container)
assertion_to_check = exactly_lib_test.symbol.test_resources.symbol_usage_assertions.matches_definition(
name=asrt.anything_goes(),
container=assertion_that_is_expected_to_succeed)
# ACT & ASSERT #
assertion_to_check.apply_without_message(self, actual_definition)
def test_sdv_SHOULD_be_given_as_argument_to_sdv_assertion(self):
# ARRANGE #
actual_sdv = string_sdvs.str_constant('s')
builtin_symbol = StringSymbolValueContext.of_sdv(
actual_sdv, definition_source=None)
assertion_that_is_expected_to_succeed = asrt.is_(actual_sdv)
assertion_to_check = sut.matches_container(
asrt.anything_goes(),
assertion_that_is_expected_to_succeed,
definition_source=asrt.anything_goes())
# ACT & ASSERT #
assertion_to_check.apply_without_message(self,
builtin_symbol.container)
def test_symbol_table_is_passed_to_resolve_method(self):
# ARRANGE #
symbol_name = 'symbol_name'
string_resolver = _StringResolverTestImpl(resolve_string_via_symbol_table(symbol_name))
symbol_table = singleton_symbol_table_2(symbol_name,
data_symbol_utils.string_value_constant_container2(STRING_VALUE))
assertion = sut.matches_resolver(asrt.anything_goes(),
asrt.anything_goes(),
asrt.is_(STRING_VALUE),
symbols=symbol_table)
# ACT & ASSERT #
assertion.apply_without_message(self, string_resolver)
def test_accept_visitor_invokes_correct_method(self):
# ARRANGE #
operand = constant.MatcherWithConstantResult(False)
matcher = sut.Negation(operand)
return_value = 5
visitor = MatcherStdTypeVisitorTestAcceptImpl.new_w_default_to_raise_exception(
negation_action=assert_argument_satisfies__and_return(
self, asrt.is_(operand), return_value))
# ACT & ASSERT #
actual_return_value = matcher.accept(visitor)
# ASSERT #
self.assertEqual(return_value, actual_return_value, 'return value')
def test_equals_references(self):
# ARRANGE #
actual_reference = data_symbol_utils.symbol_reference('referenced element')
actual_references = [actual_reference]
actual_resolver = LineMatcherResolverConstantTestImpl(
LineMatcherConstant(False),
references=actual_references)
assertion_to_check = sut.resolved_value_equals_line_matcher(actual_resolver.resolved_value,
references=asrt.matches_sequence([
asrt.is_(actual_reference)
]),
)
# ACT & ASSERT #
assertion_to_check.apply_without_message(self, actual_resolver)
def test_container_SHOULD_be_given_as_argument_to_assertion_on_container(self):
# ARRANGE #
builtin_symbol = StringSymbolContext.of_constant('the name', 's',
definition_source=None)
actual_definition = builtin_symbol.definition
actual_container = actual_definition.symbol_container
assertion_that_is_expected_to_succeed = asrt.is_(actual_container)
assertion_to_check = symbol_usage_assertions.matches_definition(
name=asrt.anything_goes(),
container=assertion_that_is_expected_to_succeed)
# ACT & ASSERT #
assertion_to_check.apply_without_message(self, actual_definition)
def runTest(self):
# ARRANGE #
transformer = StringTransformerPrimitiveSymbolContext(
'STRING_TRANSFORMER', string_transformers.to_uppercase())
after_bin_op = 'after bin op'
after_bin_op_syntax = CustomStringTransformerAbsStx.of_str(
after_bin_op)
composition_string_transformer = StringTransformerCompositionAbsStx(
[transformer.abstract_syntax, after_bin_op_syntax],
within_parens=False,
allow_elements_on_separate_lines=False,
)
expected_source_after_parse = asrt_source.is_at_line(
current_line_number=2,
remaining_part_of_current_line=' '.join(
[composition_string_transformer.operator_name(),
after_bin_op]),
)
for pgm_and_args_case in pgm_and_args_cases.cases_w_and_wo_argument_list__including_program_reference(
):
command_followed_by_transformer = FullProgramAbsStx(
pgm_and_args_case.pgm_and_args,
transformation=composition_string_transformer,
)
symbols = list(pgm_and_args_case.symbols) + [transformer]
with self.subTest(command=pgm_and_args_case.name):
source = remaining_source(
command_followed_by_transformer.tokenization().layout(
LayoutSpec.of_default()))
# ACT & ASSERT #
CHECKER_WO_EXECUTION.check(
self, source, None,
pgm_and_args_case.mk_arrangement(
SymbolContext.symbol_table_of_contexts(symbols)),
Expectation(
ParseExpectation(
source=expected_source_after_parse,
symbol_references=SymbolContext.
references_assertion_of_contexts(symbols),
),
primitive=lambda env: (asrt_pgm_val.matches_program(
asrt_command.
matches_command(driver=pgm_and_args_case.
expected_command_driver(env),
arguments=asrt.is_empty_sequence),
stdin=asrt_pgm_val.is_no_stdin(),
transformer=asrt.matches_singleton_sequence(
asrt.is_(transformer.primitive)),
))))
def test_SHOULD_not_match_WHEN_references_do_not_match(self):
# ARRANGE #
actual_reference = data_symbol_utils.symbol_reference('referenced element')
actual_references = [actual_reference]
actual_resolver = arbitrary_resolver_with_references(actual_references)
cases = [
NameAndValue('assert no references',
asrt.is_empty_sequence),
NameAndValue('assert single invalid reference',
asrt.matches_sequence([
asrt.not_(asrt.is_(actual_reference))
])),
]
for case in cases:
with self.subTest(name=case.name):
assertion_to_check = sut.matches_regex_resolver(references=case.value)
# ACT & ASSERT #
assert_that_assertion_fails(assertion_to_check, actual_resolver)
def test_succeed_WHEN_table_contains_the_expected_element(self):
a_symbol = NameAndValue('symbol name',
ASymbolTableValue('symbol value'))
cases = [
('assertion is',
a_symbol,
asrt.is_(a_symbol.value)
),
('assertion has expected value',
a_symbol,
assert_string_value_equals(a_symbol.value.value)
),
]
for name, symbol, value_assertion in cases:
with self.subTest(name=name):
# ARRANGE #
actual = SymbolTable({symbol.name: symbol.value})
assertion = sut.assert_symbol_table_is_singleton(symbol.name, value_assertion)
# ACT #
assertion.apply_without_message(self, actual)
def test_not_equals_references(self):
# ARRANGE #
actual_reference = data_symbol_utils.symbol_reference('referenced element')
actual_references = [actual_reference]
actual_resolver = LineMatcherResolverConstantTestImpl(
LineMatcherConstant(False),
references=actual_references)
cases = [
NameAndValue('assert no references',
asrt.is_empty_sequence),
NameAndValue('assert single invalid reference',
asrt.matches_sequence([
asrt.not_(asrt.is_(actual_reference))
])),
]
for case in cases:
with self.subTest(name=case.name):
assertion_to_check = sut.resolved_value_equals_line_matcher(actual_resolver.resolved_value,
references=case.value,
)
# ACT & ASSERT #
assert_that_assertion_fails(assertion_to_check, actual_resolver)
def test_false__with_message_builder(self):
expected_object = 'expected object'
actual_object = 'actual object'
with self.assertRaises(TestException):
sut.is_(expected_object).apply(self.put, actual_object,
sut.MessageBuilder('head'))
def test_true(self):
expected_object = 'expected object'
sut.is_(expected_object).apply(self.put, expected_object)
sut.is_(expected_object).apply(self.put, expected_object,
sut.MessageBuilder('head'))
def test(self):
test_cases = [
# Single token
('a', 'a',
assert_token_stream(is_null=asrt.is_true,
look_ahead_state=asrt.is_(LookAheadState.NULL),
position=asrt.equals(1),
remaining_source=asrt.equals(''))),
('b ', 'b ',
assert_token_stream(is_null=asrt.is_true,
look_ahead_state=asrt.is_(LookAheadState.NULL),
position=asrt.equals(2),
remaining_source=asrt.equals(''))),
('x \n', 'x ',
assert_token_stream(is_null=asrt.is_true,
look_ahead_state=asrt.is_(LookAheadState.NULL),
position=asrt.equals(2),
remaining_source=asrt.equals('\n'))
),
('x\ny', 'x',
assert_token_stream(head_token=assert_plain('y'),
look_ahead_state=asrt.is_not(LookAheadState.NULL),
position=asrt.equals(1),
remaining_source=asrt.equals('\ny'))
),
('x\n y', 'x',
assert_token_stream(head_token=assert_plain('y'),
look_ahead_state=asrt.is_not(LookAheadState.NULL),
position=asrt.equals(1),
remaining_source=asrt.equals('\n y'))
),
# Multiple tokens
('a A', 'a A',
assert_token_stream(is_null=asrt.is_true,
look_ahead_state=asrt.is_(LookAheadState.NULL),
position=asrt.equals(3),
remaining_source=asrt.equals(''))
),
('a A\nb B', 'a A',
assert_token_stream(head_token=assert_plain('b'),
look_ahead_state=asrt.is_not(LookAheadState.NULL),
position=asrt.equals(3),
remaining_source=asrt.equals('\nb B'))
),
('a A\ninvalid_token"', 'a A',
assert_token_stream(look_ahead_state=asrt.is_(LookAheadState.SYNTAX_ERROR),
is_null=asrt.is_true,
position=asrt.equals(3),
remaining_source=asrt.equals('\ninvalid_token"'))
),
# No tokens
('', '',
assert_token_stream(is_null=asrt.is_true,
look_ahead_state=asrt.is_(LookAheadState.NULL),
position=asrt.equals(0),
remaining_source=asrt.equals(''))
),
(' ', ' ',
assert_token_stream(is_null=asrt.is_true,
look_ahead_state=asrt.is_(LookAheadState.NULL),
position=asrt.equals(1),
remaining_source=asrt.equals(''))
),
(' \n', ' ',
assert_token_stream(is_null=asrt.is_true,
look_ahead_state=asrt.is_(LookAheadState.NULL),
position=asrt.equals(1),
remaining_source=asrt.equals('\n'))
),
(' \n ', ' ',
assert_token_stream(is_null=asrt.is_true,
look_ahead_state=asrt.is_(LookAheadState.NULL),
position=asrt.equals(1),
remaining_source=asrt.equals('\n '))
),
(' \n"invalid quoting', ' ',
assert_token_stream(look_ahead_state=asrt.is_(LookAheadState.SYNTAX_ERROR),
position=asrt.equals(1),
remaining_source=asrt.equals('\n"invalid quoting'))
),
]
for source, expected_consumed_string, token_stream_assertion in test_cases:
with self.subTest(msg=repr(source)):
ts = sut.TokenStream(source)
# ACT #
actual_consumed_string = ts.consume_remaining_part_of_current_line_as_string()
# ASSERT #
self.assertEqual(expected_consumed_string,
actual_consumed_string,
'consumed string')
token_stream_assertion.apply_with_message(self, ts, 'token stream after parse')