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# coding: utf-8
from __future__ import print_function, unicode_literals
import sys
import pytest # NOQA
import warnings # NOQA
from pathlib import Path
base_path = Path("data") # that is srsly.ruamel_yaml.data
PY2 = sys.version_info[0] == 2
class YAMLData(object):
yaml_tag = "!YAML"
def __init__(self, s):
self._s = s
# Conversion tables for input. E.g. "<TAB>" is replaced by "\t"
# fmt: off
special = {
'SPC': ' ',
'TAB': '\t',
'---': '---',
'...': '...',
}
# fmt: on
@property
def value(self):
if hasattr(self, "_p"):
return self._p
assert " \n" not in self._s
assert "\t\n" not in self._s
self._p = self._s
for k, v in YAMLData.special.items():
k = "<" + k + ">"
self._p = self._p.replace(k, v)
return self._p
def test_rewrite(self, s):
assert " \n" not in s
assert "\t\n" not in s
for k, v in YAMLData.special.items():
k = "<" + k + ">"
s = s.replace(k, v)
return s
@classmethod
def from_yaml(cls, constructor, node):
from srsly.ruamel_yaml.nodes import MappingNode
if isinstance(node, MappingNode):
return cls(constructor.construct_mapping(node))
return cls(node.value)
class Python(YAMLData):
yaml_tag = "!Python"
class Output(YAMLData):
yaml_tag = "!Output"
class Assert(YAMLData):
yaml_tag = "!Assert"
@property
def value(self):
from srsly.ruamel_yaml.compat import Mapping
if hasattr(self, "_pa"):
return self._pa
if isinstance(self._s, Mapping):
self._s["lines"] = self.test_rewrite(self._s["lines"])
self._pa = self._s
return self._pa
def pytest_generate_tests(metafunc):
test_yaml = []
paths = sorted(base_path.glob("**/*.yaml"))
idlist = []
for path in paths:
stem = path.stem
if stem.startswith(".#"): # skip emacs temporary file
continue
idlist.append(stem)
test_yaml.append([path])
metafunc.parametrize(["yaml"], test_yaml, ids=idlist, scope="class")
class TestYAMLData(object):
def yaml(self, yaml_version=None):
from srsly.ruamel_yaml import YAML
y = YAML()
y.preserve_quotes = True
if yaml_version:
y.version = yaml_version
return y
def docs(self, path):
from srsly.ruamel_yaml import YAML
tyaml = YAML(typ="safe", pure=True)
tyaml.register_class(YAMLData)
tyaml.register_class(Python)
tyaml.register_class(Output)
tyaml.register_class(Assert)
return list(tyaml.load_all(path))
def yaml_load(self, value, yaml_version=None):
yaml = self.yaml(yaml_version=yaml_version)
data = yaml.load(value)
return yaml, data
def round_trip(self, input, output=None, yaml_version=None):
from srsly.ruamel_yaml.compat import StringIO
yaml, data = self.yaml_load(input.value, yaml_version=yaml_version)
buf = StringIO()
yaml.dump(data, buf)
expected = input.value if output is None else output.value
value = buf.getvalue()
if PY2:
value = value.decode("utf-8")
print("value", value)
# print('expected', expected)
assert value == expected
def load_assert(self, input, confirm, yaml_version=None):
from srsly.ruamel_yaml.compat import Mapping
d = self.yaml_load(input.value, yaml_version=yaml_version)[1] # NOQA
print("confirm.value", confirm.value, type(confirm.value))
if isinstance(confirm.value, Mapping):
r = range(confirm.value["range"])
lines = confirm.value["lines"].splitlines()
for idx in r: # NOQA
for line in lines:
line = "assert " + line
print(line)
exec(line)
else:
for line in confirm.value.splitlines():
line = "assert " + line
print(line)
exec(line)
def run_python(self, python, data, tmpdir):
from .roundtrip import save_and_run
assert save_and_run(python.value, base_dir=tmpdir, output=data.value) == 0
# this is executed by pytest the methods with names not starting with test_
# are helpers
def test_yaml_data(self, yaml, tmpdir):
from srsly.ruamel_yaml.compat import Mapping
idx = 0
typ = None
yaml_version = None
docs = self.docs(yaml)
if isinstance(docs[0], Mapping):
d = docs[0]
typ = d.get("type")
yaml_version = d.get("yaml_version")
if "python" in d:
if not check_python_version(d["python"]):
pytest.skip("unsupported version")
idx += 1
data = output = confirm = python = None
for doc in docs[idx:]:
if isinstance(doc, Output):
output = doc
elif isinstance(doc, Assert):
confirm = doc
elif isinstance(doc, Python):
python = doc
if typ is None:
typ = "python_run"
elif isinstance(doc, YAMLData):
data = doc
else:
print("no handler for type:", type(doc), repr(doc))
raise AssertionError()
if typ is None:
if data is not None and output is not None:
typ = "rt"
elif data is not None and confirm is not None:
typ = "load_assert"
else:
assert data is not None
typ = "rt"
print("type:", typ)
if data is not None:
print("data:", data.value, end="")
print("output:", output.value if output is not None else output)
if typ == "rt":
self.round_trip(data, output, yaml_version=yaml_version)
elif typ == "python_run":
self.run_python(python, output if output is not None else data, tmpdir)
elif typ == "load_assert":
self.load_assert(data, confirm, yaml_version=yaml_version)
else:
print("\nrun type unknown:", typ)
raise AssertionError()
def check_python_version(match, current=None):
"""
version indication, return True if version matches.
match should be something like 3.6+, or [2.7, 3.3] etc. Floats
are converted to strings. Single values are made into lists.
"""
if current is None:
current = list(sys.version_info[:3])
if not isinstance(match, list):
match = [match]
for m in match:
minimal = False
if isinstance(m, float):
m = str(m)
if m.endswith("+"):
minimal = True
m = m[:-1]
# assert m[0].isdigit()
# assert m[-1].isdigit()
m = [int(x) for x in m.split(".")]
current_len = current[: len(m)]
# print(m, current, current_len)
if minimal:
if current_len >= m:
return True
else:
if current_len == m:
return True
return False
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