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|
try:
import yaml
LOAD_YAML = True
except ImportError: # pragma: no cover
LOAD_YAML = False
class Line(object):
"""Base type for TAP data.
TAP is a line based protocol. Thus, the most primitive type is a line.
"""
@property
def category(self):
raise NotImplementedError
class Result(Line):
"""Information about an individual test line."""
def __init__(
self,
ok,
number=None,
description="",
directive=None,
diagnostics=None,
raw_yaml_block=None,
):
self._ok = ok
if number:
self._number = int(number)
else:
# The number may be an empty string so explicitly set to None.
self._number = None
self._description = description
self.directive = directive
self.diagnostics = diagnostics
self._yaml_block = raw_yaml_block
@property
def category(self):
""":returns: ``test``"""
return "test"
@property
def ok(self):
"""Get the ok status.
:rtype: bool
"""
return self._ok
@property
def number(self):
"""Get the test number.
:rtype: int
"""
return self._number
@property
def description(self):
"""Get the description."""
return self._description
@property
def skip(self):
"""Check if this test was skipped.
:rtype: bool
"""
return self.directive.skip
@property
def todo(self):
"""Check if this test was a TODO.
:rtype: bool
"""
return self.directive.todo
@property
def yaml_block(self):
"""Lazy load a yaml_block.
If yaml support is not available,
there is an error in parsing the yaml block,
or no yaml is associated with this result,
``None`` will be returned.
:rtype: dict
"""
if LOAD_YAML and self._yaml_block is not None:
try:
yaml_dict = yaml.load(self._yaml_block, Loader=yaml.SafeLoader)
return yaml_dict
except yaml.error.YAMLError:
print("Error parsing yaml block. Check formatting.")
return None
def __str__(self):
is_not = ""
if not self.ok:
is_not = "not "
directive = ""
if self.directive is not None and self.directive.text:
directive = " # {0}".format(self.directive.text)
diagnostics = ""
if self.diagnostics is not None:
diagnostics = "\n" + self.diagnostics.rstrip()
return "{0}ok {1} {2}{3}{4}".format(
is_not, self.number, self.description, directive, diagnostics
)
class Plan(Line):
"""A plan line to indicate how many tests to expect."""
def __init__(self, expected_tests, directive=None):
self._expected_tests = expected_tests
self.directive = directive
@property
def category(self):
""":returns: ``plan``"""
return "plan"
@property
def expected_tests(self):
"""Get the number of expected tests.
:rtype: int
"""
return self._expected_tests
@property
def skip(self):
"""Check if this plan should skip the file.
:rtype: bool
"""
return self.directive.skip
class Diagnostic(Line):
"""A diagnostic line (i.e. anything starting with a hash)."""
def __init__(self, text):
self._text = text
@property
def category(self):
""":returns: ``diagnostic``"""
return "diagnostic"
@property
def text(self):
"""Get the text."""
return self._text
class Bail(Line):
"""A bail out line (i.e. anything starting with 'Bail out!')."""
def __init__(self, reason):
self._reason = reason
@property
def category(self):
""":returns: ``bail``"""
return "bail"
@property
def reason(self):
"""Get the reason."""
return self._reason
class Version(Line):
"""A version line (i.e. of the form 'TAP version 13')."""
def __init__(self, version):
self._version = version
@property
def category(self):
""":returns: ``version``"""
return "version"
@property
def version(self):
"""Get the version number.
:rtype: int
"""
return self._version
class Unknown(Line):
"""A line that represents something that is not a known TAP line.
This exists for the purpose of a Null Object pattern.
"""
@property
def category(self):
""":returns: ``unknown``"""
return "unknown"
|
