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# Copyright 2017-2020 Palantir Technologies, Inc.

# Copyright 2021- Python Language Server Contributors.

from pylsp import lsp, uris

from pylsp.plugins import mccabe_lint

from pylsp.workspace import Document

DOC_URI = uris.from_fs_path(__file__)

DOC = """def hello():

\tpass

"""

DOC_SYNTAX_ERR = """def hello()

\tpass"""

def test_mccabe(config, workspace) -> None:

old_settings = config.settings

try:

config.update({"plugins": {"mccabe": {"threshold": 1}}})

doc = Document(DOC_URI, workspace, DOC)

diags = mccabe_lint.pylsp_lint(config, workspace, doc)

assert all(d["source"] == "mccabe" for d in diags)

# One we're expecting is:

msg = "Cyclomatic complexity too high: 1 (threshold 1)"

mod_import = [d for d in diags if d["message"] == msg][0]

assert mod_import["severity"] == lsp.DiagnosticSeverity.Warning

assert mod_import["range"]["start"] == {"line": 0, "character": 0}

assert mod_import["range"]["end"] == {"line": 0, "character": 6}

finally:

config._settings = old_settings

def test_mccabe_syntax_error(config, workspace) -> None:

doc = Document(DOC_URI, workspace, DOC_SYNTAX_ERR)

assert mccabe_lint.pylsp_lint(config, workspace, doc) is None