def test_cannot_add_qualifiers_without_runner_in_stack(self):
rs = RunnerStack(None)
with pytest.raises(err.VinoError) as exc_info:
assert len(rs) == 0
rs.add_qualifiers([0, 1])
error = exc_info.value
assert 'without specifying a processor' in str(error).lower()
def test_if_first_qfier_None_but_not_single_will_call_add_qualifiers(
s, tags, mocker):
processor = (tags[0], None, 3)
rs = RunnerStack(None)
mk_add_qf = mocker.patch.object(rs, 'add_qualifiers')
rs.add(processor)
mk_add_qf.assert_called_once_with(None, 3)
def test_by_default_new_rs_has_same_ctx_as_original(s, tags):
my_context = {'a': 'b'}
processors = tuple((t, None) for t in tags)
rs = RunnerStack(my_context, *processors)
nrs1 = rs.copy()
nrs2 = rs.copy(None)
assert rs.context is nrs1.context is nrs2.context
def test_can_override_context_for_new_rs(s, tags):
context1 = {'a': 'b'}
context2 = {'b': 'a'}
processors = tuple((t, None) for t in tags)
rs = RunnerStack(context1, *processors)
nrs = rs.copy(context2)
assert nrs.context is context2
def test_overriding_context_for_new_rs_does_not_change_original(s, tags):
context1 = {'a': 'b'}
context2 = {'b': 'a'}
processors = tuple((t, None) for t in tags)
rs = RunnerStack(context1, *processors)
nrs = rs.copy(context2)
assert rs.context is context1
def test_init_method_takes_context_as_first_param(self):
with pytest.raises(TypeError) as exc_info:
rs = RunnerStack()
assert ("missing 1 required positional argument: 'context'"
in str(exc_info.value))
rs = RunnerStack(None)
assert rs.context is None
context = "bla"
rs = RunnerStack(context)
assert rs.context is context
def test_successive_qualifier_applications_merges_qualifiers(self, tags):
processors = ((t, None) for t in tags)
c = ctx.Context(qualifier_stack_cls=quals.ItemQualifierStack)
rs = RunnerStack(c)
rs.add(*processors)
rs.add_qualifiers([0, 1])
qstack = rs[-1]['qualifiers']
qualifiers = qstack.qualifiers
assert qualifiers['indices'] == {0, 1}
rs.add_qualifiers([1, 3, 8])
assert qualifiers['indices'] == {0, 1, 3, 8}
rs.add_qualifiers(9, 5, 0, 1)
assert qualifiers['indices'] == {0, 1, 3, 8, 9, 5}
def test_interrupts_validation_if_interrupt_flag_set_on_error(s, mocker):
def failing_processor(value, context):
e = err.ValidationError("I'll fail you, no matter what",
interrupt_validation=True)
raise e
#mk = mocker.MagicMock() # probably better to declare some specs
mk = mocker.MagicMock(spec=['run'])
processors = tuple((t, None) for t in (failing_processor, mk))
rs = RunnerStack(None, *processors)
try:
value = rs.run('some contents')
except err.ValidationErrorStack as e:
assert not mk.run.called
def test_error_stack_given_final_value_if_no_interruption(s, tags):
# tags are : bold, italic, and underline in that order
def failing_processor(value, context):
e = err.ValidationError("I'll fail you, no matter what",
interrupt_validation=False)
raise e
processors = list((t, None) for t in tags)
processors[1:1] = [[failing_processor,
None]] # inserting at position 1
rs = RunnerStack(None, *processors)
with pytest.raises(err.ValidationErrorStack) as e:
value = rs.run('some contents')
assert e.value.data == '<u><i><b>' + 'some contents' + '</b></i></u>'
def test_run_assigns_failing_value_to_error_after_validation(s, tags):
# tags are : bold, italic, and underline in that order
def failing_processor(value, context):
e = err.ValidationError("I'll fail you, no matter what",
interrupt_validation=True)
raise e
processors = list((t, None) for t in tags)
processors[1:1] = [(failing_processor, None)
] # inserting at position 1
rs = RunnerStack(None, *processors)
try:
value = rs.run('some contents')
except err.ValidationErrorStack as e:
assert e[0].data == '<b>' + 'some contents' + '</b>'
def test_calls_next_runner_if_interrupt_flag_not_set_on_error(s, mocker):
def failing_processor(value, context):
e = err.ValidationError("I'll fail you, no matter what",
interrupt_validation=False)
raise e
# we either need to specify spec to restrict the mock's public api
# or test for `mock.run.called`
#mk = mocker.MagicMock() # probably better to declare some specs
mk = mocker.MagicMock(spec=['run', 'vino_init'])
mk.vino_init.return_value = mk
processors = tuple((t, None) for t in [failing_processor, mk])
rs = RunnerStack(None, *processors)
try:
value = rs.run('some contents')
except err.ValidationErrorStack as e:
assert mk.run.called
def test_cannot_add_qualifier_without_context(self, tags):
processors = ((t, None) for t in tags)
rs = RunnerStack(None)
rs.add(*processors)
with pytest.raises(err.VinoError) as exc_info:
rs.add_qualifiers([0, 1])
error = exc_info.value
assert 'must be given a context' in str(error).lower()
def test_can_add_qualifiers_if_context_has_QStack_class(self, tags):
processors = ((t, None) for t in tags)
c = ctx.Context()
c = ctx.Context(qualifier_stack_cls=quals.ItemQualifierStack)
rs = RunnerStack(c)
rs.add(*processors)
rs.add_qualifiers([0, 1])
qstack = rs[-1]['qualifiers']
qualifiers = qstack.qualifiers
assert qualifiers['indices'] == {0, 1}
def test_cannot_add_qualifier_if_context_has_no_QStack_class(self, tags):
processors = ((t, None) for t in tags)
c = ctx.Context(qualifier_stack_cls=quals.ItemQualifierStack)
rs = RunnerStack(c)
rs.add(*processors)
c.qualifier_stack_cls = None
with pytest.raises(err.VinoError) as exc_info:
rs.add_qualifiers([0, 1])
error = exc_info.value
assert ('qualifierstack constructor must be specified'
in str(error).lower())
def test_cannot_add_qualifiers_if_runner_has_qualifiers_set_to_False(
self, tags):
processors = ((t, None) for t in tags)
c = ctx.Context()
c._qualifier_stack_constructor = quals.ItemQualifierStack
rs = RunnerStack(c)
rs.add(*processors)
rs[-1]['qualifiers'] = False
with pytest.raises(err.VinoError) as exc_info:
rs.add_qualifiers([0, 1])
error = exc_info.value
assert 'does not accept qualifiers' in str(error).lower()
def test_single_qfier_set_to_False_sets_runner_qfiers_to_False(s, tags):
processors = [[t, None] for t in tags]
processors[1][1] = False
rs = RunnerStack(None)
rs.add(*processors)
assert rs[1]['qualifiers'] is False
def test_if_single_qfier_is_None_no_qfiers_created(s, tags):
processors = ((t, None) for t in tags)
rs = RunnerStack(None)
rs.add(*processors)
for r in rs:
assert r['qualifiers'] is None
def test_copied_rs_has_same_constructor_than_original(s, tags):
processors = tuple((t, None) for t in tags)
rs = RunnerStack(None, *processors)
nrs = rs.copy()
assert rs.__class__ is nrs.__class__
def test_copied_rs_has_same_runners_than_original(s, tags):
processors = tuple((t, None) for t in tags)
rs = RunnerStack(None, *processors)
nrs = rs.copy()
for i, r in enumerate(rs):
assert r is nrs[i]
def test_copy_returns_different_runner_stack(s):
rs = RunnerStack(None)
nrs = rs.copy()
assert rs is not nrs
def test_returns_number_of_runners_on_len(s, processors):
length = len(processors)
stack = RunnerStack(None, *processors)
assert len(stack) == length
def test_can_add_processors_without_qualifiers(self, tags):
processors = ((t, None) for t in tags)
c = ctx.Context()
rs = RunnerStack(c)
rs.add(*processors)
assert len(rs) == 3
def test_can_add_processors_without_context(self, tags):
processors = ((t, None) for t in tags)
rs = RunnerStack(None)
rs.add(*processors)
assert len(rs) == 3
def test_executes_runners_in_fifo(s, tags):
# tags are : bold, italic, and underline in that order
processors = ((t, None) for t in tags)
rs = RunnerStack(None, *processors)
post_process = '<u><i><b>' + 'some contents' + '</b></i></u>'
assert rs.run('some contents') == post_process
def test_run_method_returns_value(s, randstr):
context = None
processor = (lambda v, c: v), None
rs = RunnerStack(context, processor)
assert rs.run(randstr) == randstr
def test_items_are_Runners(s, tags):
processors = ((t, None) for t in tags)
rs = RunnerStack(None)
rs.add(*processors)
for r in rs:
assert isinstance(r['runner'], Runner)
def test_can_add_processors_in_tuple(self, tags):
processors = ((t, None) for t in tags)
rs = RunnerStack(None)
rs.add(*processors)
assert len(rs) == len(tags)
def test_cannot_add_processor_as_single_item(self, tags):
rs = RunnerStack(None)
with pytest.raises(err.VinoError) as exc_info:
rs.add(*tags)
error = exc_info.value
assert 'must be specified in tuples' in str(error).lower()
def test_can_set_context_to_None_for_new_rs_by_specifying_False(s, tags):
context1 = {'a': 'b'}
processors = tuple((t, None) for t in tags)
rs = RunnerStack(context1, *processors)
nrs = rs.copy(False)
assert nrs.context is None
def test_is_indexable(s, processors):
length = len(processors)
stack = RunnerStack(None, *processors)
for i in range(length):
assert stack[i]
