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from __future__ import print_function
"""
various test cases for YAML files
"""
import sys
import pytest # NOQA
import platform
from roundtrip import round_trip, dedent, round_trip_load, round_trip_dump # NOQA
class TestYAML:
def test_backslash(self):
round_trip(
"""
handlers:
static_files: applications/\\1/static/\\2
"""
)
def test_omap_out(self):
# ordereddict mapped to !!omap
from ruamel.yaml.compat import ordereddict
import ruamel.yaml # NOQA
x = ordereddict([('a', 1), ('b', 2)])
res = ruamel.yaml.dump(x, default_flow_style=False)
assert res == dedent(
"""
!!omap
- a: 1
- b: 2
"""
)
def test_omap_roundtrip(self):
round_trip(
"""
!!omap
- a: 1
- b: 2
- c: 3
- d: 4
"""
)
@pytest.mark.skipif(sys.version_info < (2, 7), reason='collections not available')
def test_dump_collections_ordereddict(self):
from collections import OrderedDict
import ruamel.yaml # NOQA
# OrderedDict mapped to !!omap
x = OrderedDict([('a', 1), ('b', 2)])
res = ruamel.yaml.dump(x, Dumper=ruamel.yaml.RoundTripDumper, default_flow_style=False)
assert res == dedent(
"""
!!omap
- a: 1
- b: 2
"""
)
@pytest.mark.skipif(
sys.version_info >= (3, 0) or platform.python_implementation() != 'CPython',
reason='ruamel.yaml not available',
)
def test_dump_ruamel_ordereddict(self):
from ruamel.ordereddict import ordereddict
import ruamel.yaml # NOQA
# OrderedDict mapped to !!omap
x = ordereddict([('a', 1), ('b', 2)])
res = ruamel.yaml.dump(x, Dumper=ruamel.yaml.RoundTripDumper, default_flow_style=False)
assert res == dedent(
"""
!!omap
- a: 1
- b: 2
"""
)
def test_CommentedSet(self):
from ruamel.yaml.constructor import CommentedSet
s = CommentedSet(['a', 'b', 'c'])
s.remove('b')
s.add('d')
assert s == CommentedSet(['a', 'c', 'd'])
s.add('e')
s.add('f')
s.remove('e')
assert s == CommentedSet(['a', 'c', 'd', 'f'])
def test_set_out(self):
# preferable would be the shorter format without the ': null'
import ruamel.yaml # NOQA
x = set(['a', 'b', 'c'])
res = ruamel.yaml.dump(x, default_flow_style=False)
assert res == dedent(
"""
!!set
a: null
b: null
c: null
"""
)
# @pytest.mark.xfail
# ordering is not preserved in a set
def test_set_compact(self):
# this format is read and also should be written by default
round_trip(
"""
!!set
? a
? b
? c
"""
)
def test_blank_line_after_comment(self):
round_trip(
"""
# Comment with spaces after it.
a: 1
"""
)
def test_blank_line_between_seq_items(self):
round_trip(
"""
# Seq with spaces in between items.
b:
- bar
- baz
"""
)
@pytest.mark.skipif(
platform.python_implementation() == 'Jython', reason='Jython throws RepresenterError'
)
def test_blank_line_after_literal_chip(self):
s = """
c:
- |
This item
has a blank line
following it.
- |
To visually separate it from this item.
This item contains a blank line.
"""
d = round_trip_load(dedent(s))
print(d)
round_trip(s)
assert d['c'][0].split('it.')[1] == '\n'
assert d['c'][1].split('line.')[1] == '\n'
@pytest.mark.skipif(
platform.python_implementation() == 'Jython', reason='Jython throws RepresenterError'
)
def test_blank_line_after_literal_keep(self):
""" have to insert an eof marker in YAML to test this"""
s = """
c:
- |+
This item
has a blank line
following it.
- |+
To visually separate it from this item.
This item contains a blank line.
...
"""
d = round_trip_load(dedent(s))
print(d)
round_trip(s)
assert d['c'][0].split('it.')[1] == '\n\n'
assert d['c'][1].split('line.')[1] == '\n\n\n'
@pytest.mark.skipif(
platform.python_implementation() == 'Jython', reason='Jython throws RepresenterError'
)
def test_blank_line_after_literal_strip(self):
s = """
c:
- |-
This item
has a blank line
following it.
- |-
To visually separate it from this item.
This item contains a blank line.
"""
d = round_trip_load(dedent(s))
print(d)
round_trip(s)
assert d['c'][0].split('it.')[1] == ""
assert d['c'][1].split('line.')[1] == ""
def test_load_all_perserve_quotes(self):
import ruamel.yaml # NOQA
s = dedent(
"""\
a: 'hello'
---
b: "goodbye"
"""
)
data = []
for x in ruamel.yaml.round_trip_load_all(s, preserve_quotes=True):
data.append(x)
out = ruamel.yaml.dump_all(data, Dumper=ruamel.yaml.RoundTripDumper)
print(type(data[0]['a']), data[0]['a'])
# out = ruamel.yaml.round_trip_dump_all(data)
print(out)
assert out == s
|
