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import filecmp
import os
from tempfile import NamedTemporaryFile
from anytree import AnyNode
from anytree.exporter import JsonExporter
from .helper import eq_
def test_json_exporter():
"""Json Exporter."""
root = AnyNode(id="root")
s0 = AnyNode(id="sub0", parent=root)
AnyNode(id="sub0B", parent=s0)
AnyNode(id="sub0A", parent=s0)
s1 = AnyNode(id="sub1", parent=root)
AnyNode(id="sub1A", parent=s1)
AnyNode(id="sub1B", parent=s1)
s1c = AnyNode(id="sub1C", parent=s1)
AnyNode(id="sub1Ca", parent=s1c)
exporter = JsonExporter(indent=2, sort_keys=True)
exported = exporter.export(root).splitlines()
exported = [e.rstrip() for e in exported] # just a fix for a strange py2x behavior.
lines = [
"{",
' "children": [',
" {",
' "children": [',
" {",
' "id": "sub0B"',
" },",
" {",
' "id": "sub0A"',
" }",
" ],",
' "id": "sub0"',
" },",
" {",
' "children": [',
" {",
' "id": "sub1A"',
" },",
" {",
' "id": "sub1B"',
" },",
" {",
' "children": [',
" {",
' "id": "sub1Ca"',
" }",
" ],",
' "id": "sub1C"',
" }",
" ],",
' "id": "sub1"',
" }",
" ],",
' "id": "root"',
"}",
]
eq_(exported, lines)
exporter = JsonExporter(indent=2, sort_keys=True, maxlevel=2)
exported = exporter.export(root).splitlines()
exported = [e.rstrip() for e in exported] # just a fix for a strange py2x behavior.
limitedlines = [
"{",
' "children": [',
" {",
' "id": "sub0"',
" },",
" {",
' "id": "sub1"',
" }",
" ],",
' "id": "root"',
"}",
]
eq_(exported, limitedlines)
try:
with NamedTemporaryFile(mode="w+", delete=False) as ref:
with NamedTemporaryFile(mode="w+", delete=False) as gen:
ref.write("\n".join(lines))
exporter.write(root, gen)
# on Windows, you must close the files before comparison
filecmp.cmp(ref.name, gen.name)
finally:
os.remove(ref.name)
os.remove(gen.name)
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