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from __future__ import print_function
"""
various test cases for YAML files
"""
import sys
import pytest # NOQA
import platform
import ruamel.yaml
from ruamel.yaml.compat import ordereddict
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
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
# 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
# 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'
# from ruamel.yaml.compat import ordereddict
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] == ''
|
