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import io
from contextlib import redirect_stdout
import unittest
from unittest.mock import patch
from trubar import messages
from trubar.messages import \
load, dump, dict_to_msg_nodes, dict_from_msg_nodes, MsgNode
from trubar.tests import TestBase, yamlized
class TestUtils(TestBase):
def test_load_yaml(self):
fn = self.prepare_file("x.yaml", """
class `A`:
foo: bar
boo: null
def `f`:
def `g`:
vaz: true
baz: false
"quoted {dict:03}": "v narekovajih {slovar:04}"
'quoted {dict:05}': 'v narekovajih {slovar:04}'
class `B`:
nothing: nič
""")
msgs = load(fn)
self.assertEqual(
msgs,
{'class `A`': MsgNode(value={
'foo': MsgNode(value='bar'),
'boo': MsgNode(value=None),
'def `f`': MsgNode(value={
'def `g`': MsgNode(value={
'vaz': MsgNode(value=True),
'baz': MsgNode(value=False),
'quoted {dict:03}': MsgNode(
value='v narekovajih {slovar:04}'),
'quoted {dict:05}': MsgNode(
value='v narekovajih {slovar:04}')
})
})
}),
'class `B`': MsgNode(value={
'nothing': MsgNode(value='nič')
})
})
def test_load_jaml(self):
fn = self.prepare_file("x.jaml", """
class `A`:
foo: bar: baz
""")
msgs = load(fn)
self.assertEqual(
msgs,
{'class `A`': MsgNode(value={
'foo': MsgNode(value='bar: baz')
})})
def test_loader_graceful_exit_on_error(self):
fn = self.prepare_file("x.jaml", """
class `A`: asdf
foo: bar: baz
""")
with io.StringIO() as buf, redirect_stdout(buf):
self.assertRaises(SystemExit, load, fn)
self.assertIn("rror in", buf.getvalue())
with io.StringIO() as buf, redirect_stdout(buf):
self.assertRaises(SystemExit, load, "no such file")
self.assertIn("not found", buf.getvalue())
@patch("builtins.print")
def test_loader_verifies_sanity(self, a_print):
fn = self.prepare_file("x.jaml", """
class `A`:
def `foo`: bar
""")
self.assertRaises(SystemExit, load, fn)
a_print.assert_called()
def test_check_sanity(self):
# unexpected namespace
check_sanity = yamlized(messages.check_sanity)
with io.StringIO() as buf, redirect_stdout(buf):
self.assertFalse(check_sanity(
{"a": "b", "def `f`": {"x": {"y": "z"}}}))
self.assertEqual(
buf.getvalue(),
"def `f`/x: Unexpectedly a namespace\n")
# def is not a namespace
with io.StringIO() as buf, redirect_stdout(buf):
self.assertFalse(check_sanity(
{"module": {"a": "b", "def `f`": {"def `x`": "y"}}}))
self.assertEqual(
buf.getvalue(),
"module/def `f`/def `x`: Unexpectedly not a namespace\n")
# class is not a namespace
with io.StringIO() as buf, redirect_stdout(buf):
self.assertFalse(check_sanity(
{"module": {"a": "b", "def `f`": {"class `x`": "y"}}}))
self.assertEqual(
buf.getvalue(),
"module/def `f`/class `x`: Unexpectedly not a namespace\n")
# everything OK
with io.StringIO() as buf, redirect_stdout(buf):
self.assertTrue(check_sanity(
{"module": {"a": "b", "def `f`": {"class `x`": {"z": "t"}}}}))
self.assertEqual(
buf.getvalue(),
"")
# check entire structure, even when there are problems
with io.StringIO() as buf, redirect_stdout(buf):
self.assertFalse(check_sanity(
{"module1": {
"a": "b",
"def `f`": "t",
"class `x`": {
"z": "t",
"m": {"x": False}
},
"t": "o"},
"module2": {
"def `g`": None,
"x": "y"},
"module3": {
"a": "b"}
},
"somefile"))
self.assertEqual(
buf.getvalue(),
"""Errors in somefile:
module1/def `f`: Unexpectedly not a namespace
module1/class `x`/m: Unexpectedly a namespace
module2/def `g`: Unexpectedly not a namespace
""")
def test_dict_msg_nodes_conversion(self):
msg_dict = {
"module1": {
"a": "b",
"class `x`": {
"z": None,
"m": {"x": False}
},
"t": True},
"module2": {
"x": "y"},
}
msg_nodes = {
'module1': MsgNode(value={
'a': MsgNode(value='b'),
'class `x`': MsgNode(value={
'z': MsgNode(value=None),
'm': MsgNode(value={
'x': MsgNode(value=False)},
)}),
't': MsgNode(value=True)},
),
'module2': MsgNode(value={
'x': MsgNode(value='y')},
)}
self.assertEqual(dict_to_msg_nodes(msg_dict), msg_nodes)
self.assertEqual(dict_from_msg_nodes(msg_nodes), msg_dict)
self.assertEqual(
dict_from_msg_nodes({"x": MsgNode("foo", ["bar", "baz"])}),
{"x": "foo"})
@patch("builtins.open")
@patch("yaml.dump")
@patch("trubar.jaml.dump")
def test_dump(self, jaml_dump, yaml_dump, _):
msgdict = {"x": MsgNode("foo", ["bar", "baz"])}
dump(msgdict, "x.jaml")
jaml_dump.assert_called_with(msgdict)
jaml_dump.reset_mock()
yaml_dump.assert_not_called()
msgdict = {"x": MsgNode("foo", ["bar", "baz"])}
dump(msgdict, "x.yaml")
self.assertEqual(yaml_dump.call_args[0][0], dict_from_msg_nodes(msgdict))
jaml_dump.assert_not_called()
if __name__ == "__main__":
unittest.main()
|
