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# Copyright 2017-2020 Palantir Technologies, Inc.
# Copyright 2021- Python Language Server Contributors.
import sys
from pylsp import lsp, uris
from pylsp.plugins import pyflakes_lint
from pylsp.workspace import Document
DOC_URI = uris.from_fs_path(__file__)
DOC = """import sys
def hello():
\tpass
import json
"""
DOC_SYNTAX_ERR = """def hello()
pass
"""
DOC_UNDEFINED_NAME_ERR = "a = b"
DOC_ENCODING = """# encoding=utf-8
import sys
"""
def test_pyflakes(workspace) -> None:
doc = Document(DOC_URI, workspace, DOC)
diags = pyflakes_lint.pylsp_lint(workspace, doc)
# One we're expecting is:
msg = "'sys' imported but unused"
unused_import = [d for d in diags if d["message"] == msg][0]
assert unused_import["range"]["start"] == {"line": 0, "character": 0}
assert unused_import["severity"] == lsp.DiagnosticSeverity.Warning
def test_syntax_error_pyflakes(workspace) -> None:
doc = Document(DOC_URI, workspace, DOC_SYNTAX_ERR)
diag = pyflakes_lint.pylsp_lint(workspace, doc)[0]
if sys.version_info[:2] >= (3, 10):
assert diag["message"] == "expected ':'"
else:
assert diag["message"] == "invalid syntax"
assert diag["range"]["start"] == {"line": 0, "character": 12}
assert diag["severity"] == lsp.DiagnosticSeverity.Error
def test_undefined_name_pyflakes(workspace) -> None:
doc = Document(DOC_URI, workspace, DOC_UNDEFINED_NAME_ERR)
diag = pyflakes_lint.pylsp_lint(workspace, doc)[0]
assert diag["message"] == "undefined name 'b'"
assert diag["range"]["start"] == {"line": 0, "character": 4}
assert diag["severity"] == lsp.DiagnosticSeverity.Error
def test_unicode_encoding(workspace) -> None:
doc = Document(DOC_URI, workspace, DOC_ENCODING)
diags = pyflakes_lint.pylsp_lint(workspace, doc)
assert len(diags) == 1
assert diags[0]["message"] == "'sys' imported but unused"
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