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|
# coding: utf-8
from __future__ import print_function
"""
various test cases for string scalars in YAML files
'|' for preserved newlines
'>' for folded (newlines become spaces)
and the chomping modifiers:
'-' for stripping: final line break and any trailing empty lines are excluded
'+' for keeping: final line break and empty lines are preserved
'' for clipping: final line break preserved, empty lines at end not
included in content (no modifier)
"""
import pytest
import platform
# from ruamel.yaml.compat import ordereddict
from roundtrip import round_trip, dedent, round_trip_load, round_trip_dump # NOQA
class TestLiteralScalarString:
def test_basic_string(self):
round_trip("""
a: abcdefg
""")
def test_quoted_integer_string(self):
round_trip("""
a: '12345'
""")
@pytest.mark.skipif(
platform.python_implementation() == 'Jython', reason='Jython throws RepresenterError'
)
def test_preserve_string(self):
inp = """
a: |
abc
def
"""
round_trip(inp, intermediate=dict(a='abc\ndef\n'))
@pytest.mark.skipif(
platform.python_implementation() == 'Jython', reason='Jython throws RepresenterError'
)
def test_preserve_string_strip(self):
s = """
a: |-
abc
def
"""
round_trip(s, intermediate=dict(a='abc\ndef'))
@pytest.mark.skipif(
platform.python_implementation() == 'Jython', reason='Jython throws RepresenterError'
)
def test_preserve_string_keep(self):
# with pytest.raises(AssertionError) as excinfo:
inp = """
a: |+
ghi
jkl
b: x
"""
round_trip(inp, intermediate=dict(a='ghi\njkl\n\n\n', b='x'))
@pytest.mark.skipif(
platform.python_implementation() == 'Jython', reason='Jython throws RepresenterError'
)
def test_preserve_string_keep_at_end(self):
# at EOF you have to specify the ... to get proper "closure"
# of the multiline scalar
inp = """
a: |+
ghi
jkl
...
"""
round_trip(inp, intermediate=dict(a='ghi\njkl\n\n'))
def test_fold_string(self):
inp = """
a: >
abc
def
"""
round_trip(inp)
def test_fold_string_strip(self):
inp = """
a: >-
abc
def
"""
round_trip(inp)
def test_fold_string_keep(self):
with pytest.raises(AssertionError) as excinfo: # NOQA
inp = """
a: >+
abc
def
"""
round_trip(inp, intermediate=dict(a='abc def\n\n'))
class TestQuotedScalarString:
def test_single_quoted_string(self):
inp = """
a: 'abc'
"""
round_trip(inp, preserve_quotes=True)
def test_double_quoted_string(self):
inp = """
a: "abc"
"""
round_trip(inp, preserve_quotes=True)
def test_non_preserved_double_quoted_string(self):
inp = """
a: "abc"
"""
exp = """
a: abc
"""
round_trip(inp, outp=exp)
class TestReplace:
"""inspired by issue 110 from sandres23"""
def test_replace_preserved_scalar_string(self):
import ruamel
s = dedent("""\
foo: |
foo
foo
bar
foo
""")
data = round_trip_load(s, preserve_quotes=True)
so = data['foo'].replace('foo', 'bar', 2)
assert isinstance(so, ruamel.yaml.scalarstring.LiteralScalarString)
assert so == dedent("""
bar
bar
bar
foo
""")
def test_replace_double_quoted_scalar_string(self):
import ruamel
s = dedent("""\
foo: "foo foo bar foo"
""")
data = round_trip_load(s, preserve_quotes=True)
so = data['foo'].replace('foo', 'bar', 2)
assert isinstance(so, ruamel.yaml.scalarstring.DoubleQuotedScalarString)
assert so == 'bar bar bar foo'
class TestWalkTree:
def test_basic(self):
from ruamel.yaml.comments import CommentedMap
from ruamel.yaml.scalarstring import walk_tree
data = CommentedMap()
data[1] = 'a'
data[2] = 'with\nnewline\n'
walk_tree(data)
exp = """\
1: a
2: |
with
newline
"""
assert round_trip_dump(data) == dedent(exp)
def test_map(self):
from ruamel.yaml.compat import ordereddict
from ruamel.yaml.comments import CommentedMap
from ruamel.yaml.scalarstring import walk_tree, preserve_literal
from ruamel.yaml.scalarstring import DoubleQuotedScalarString as dq
from ruamel.yaml.scalarstring import SingleQuotedScalarString as sq
data = CommentedMap()
data[1] = 'a'
data[2] = 'with\nnew : line\n'
data[3] = '${abc}'
data[4] = 'almost:mapping'
m = ordereddict([('\n', preserve_literal), ('${', sq), (':', dq)])
walk_tree(data, map=m)
exp = """\
1: a
2: |
with
new : line
3: '${abc}'
4: "almost:mapping"
"""
assert round_trip_dump(data) == dedent(exp)
|
