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import os
import string
from sys import executable
from io import BytesIO
from json import load as json_load, loads as json_loads, dumps as json_dumps
from pathlib import Path
from subprocess import run as subprocess_run, PIPE
from typing import Optional
from unittest import TestCase, skip
from pyGHDL.lsp.lsp import LanguageProtocolServer, LSPConn
is_windows = os.name == "nt"
class StrConn:
__res: str
def __init__(self):
self.__res = ''
def write(self, s):
self.__res += s
@property
def res(self):
return self.__res
def show_diffs(name, ref, res):
if isinstance(ref, dict) and isinstance(res, dict):
for k in ref:
if k not in res:
print('{}.{} not in the result'.format(name, k))
else:
show_diffs('{}.{}'.format(name, k), ref[k], res[k])
for k in res:
if k not in ref:
print('{}.{} unexpected in the result'.format(name, k))
elif isinstance(ref, str) and isinstance(res, str):
if res != ref:
print('{}: mismatch (ref: {}, result: {})'.format(name, ref, res))
elif isinstance(ref, int) and isinstance(res, int):
if res != ref:
print('{}: mismatch (ref: {}, result: {})'.format(name, ref, res))
elif isinstance(ref, list) and isinstance(res, list):
for i in range(max(len(ref), len(res))):
if i >= len(ref):
print('{}[{}]: missing element:'.format(name, i))
print(' {}'.format(res[i]))
elif i >= len(res):
print('{}[{}]: extra elements'.format(name, i))
else:
show_diffs('{}[{}]'.format(name, i), ref[i], res[i])
else:
print('unhandle type {} in {}'.format(type(ref), name))
def root_subst(obj, root):
"""Substitute in all strings of :param obj: @ROOT@ with :param root:
URI in LSP are supposed to contain an absolute path. But putting an
hard absolute path would make the test suite not portable. So we use
the metaname @ROOT@ which should be replaced by the root path of the
test suite. Also we need to deal with the windows particularity
about URI."""
if isinstance(obj, dict):
for k, v in obj.items():
if isinstance(v, str):
if k in ('rootUri', 'uri'):
assert v.startswith("file://@ROOT@/")
p = "file://" + ("/" if is_windows else "")
obj[k] = p + root + v[13:]
elif k in ('rootPath', 'message'):
obj[k] = v.replace('@ROOT@', root)
else:
obj[k] = root_subst(v, root)
return obj
elif obj is None or isinstance(obj, (str, int)):
return obj
elif isinstance(obj, list):
res = []
for v in obj:
res.append(root_subst(v, root))
return res
else:
raise AssertionError("root_subst: unhandled type {}".format(type(obj)))
class JSONTest(TestCase):
_LSPTestDirectory = Path(__file__).parent.resolve()
subdir = None
def _RequestResponse(self, requestName: str, responseName: Optional[str] = None):
root = str(self._LSPTestDirectory)
requestFile = self._LSPTestDirectory / self.subdir / requestName
# Convert the JSON input file to an LSP string.
with requestFile.open('r') as file:
res = json_load(file)
res = root_subst(res, root)
conn = StrConn()
ls = LanguageProtocolServer(None, conn)
for req in res:
ls.write_output(req)
# Run
p = subprocess_run(
[executable, '-m', 'pyGHDL.cli.lsp', '-v'],
input=conn.res.encode('utf-8'),
stdout=PIPE)
self.assertEqual(p.returncode, 0, "Language server executable exit with a non-zero return code.")
if responseName is None:
return
responseFile = self._LSPTestDirectory / self.subdir / responseName
# Check output
in_io = BytesIO(p.stdout)
conn = LSPConn(in_io, None)
ls = LanguageProtocolServer(None, conn)
with responseFile.open('r') as file:
ref = json_load(file)
ref = root_subst(ref, root)
errs = 0
json_res = []
for i, r in enumerate(ref):
rep = ls.read_request()
if rep is None:
print('FAIL: number of reply does not match')
errs += 1
break
rep = json_loads(rep)
json_res.append(rep)
# self.assertEqual(rep, r, "reply does not match for {!s}".format(requestFile))
if rep != r:
print(self.__class__.__name__)
show_diffs("[{}]".format(i), r, rep)
errs += 1
rep = ls.read_request()
self.assertIsNone(rep, "Too many replies.")
if errs != 0:
print('FAILURE between output and {!s} (for {!s})'.format(responseFile, requestFile))
print('Writing result output to result.json')
with open('result.json', 'w') as f:
f.write(json_dumps(json_res, indent=2))
f.write('\n')
self.fail()
class Test001_Simple(JSONTest):
subdir = Path("001simple")
def test_Request_Response(self):
self._RequestResponse("cmds.json", "replies.json")
class Test002_Coverage(JSONTest):
subdir = Path("002coverage")
def test_Request_Response(self):
self._RequestResponse("cmds.json", "replies.json")
class Test003_Errors(JSONTest):
subdir = Path("003errors")
def test_Crash1(self):
self._RequestResponse("crash1.json")
def test_Crash2(self):
self._RequestResponse("crash2.json")
def test_Request_Response(self):
self._RequestResponse("cmds.json", "replies.json")
class Test004_Error_Project(JSONTest):
subdir = Path("004errprj")
def test_Request_Response(self):
self._RequestResponse("cmds.json", "replies.json")
class Test005_Create(JSONTest):
subdir = Path("005create")
def test_Request_Response(self):
self._RequestResponse("cmds.json", "replies.json")
class Test006_Option_Error(JSONTest):
subdir = Path("006opterr")
def test_Request_Response(self):
self._RequestResponse("cmds.json", "replies.json")
class Test007_Error_Project(JSONTest):
subdir = Path("007errprj")
def test_Request_Response(self):
self._RequestResponse("cmds.json", "replies.json")
class Test008_Error_NoFile(JSONTest):
subdir = Path("008errnofile")
def test_Request_Response(self):
self._RequestResponse("cmds.json", "replies.json")
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