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# Copyright 2021- Python Language Server Contributors.
import time
from unittest.mock import call, patch
import pytest
from pylsp import IS_WIN
from pylsp.lsp import NotebookCellKind
from pylsp.workspace import Notebook
from test.test_utils import (
CALL_TIMEOUT_IN_SECONDS,
send_initialize_request,
send_notebook_did_open,
)
def wait_for_condition(condition, timeout=CALL_TIMEOUT_IN_SECONDS) -> None:
"""Wait for a condition to be true, or timeout."""
start_time = time.time()
while not condition():
time.sleep(0.1)
if time.time() - start_time > timeout:
raise TimeoutError("Timeout waiting for condition")
@pytest.mark.skipif(IS_WIN, reason="Flaky on Windows")
def test_initialize(client_server_pair) -> None:
client, server = client_server_pair
response = send_initialize_request(client)
assert server.workspace is not None
selector = response["capabilities"]["notebookDocumentSync"]["notebookSelector"]
assert isinstance(selector, list)
@pytest.mark.skipif(IS_WIN, reason="Flaky on Windows")
def test_workspace_did_change_configuration(client_server_pair) -> None:
"""Test that we can update a workspace config w/o error when a notebook is open."""
client, server = client_server_pair
send_initialize_request(client)
assert server.workspace is not None
with patch.object(server._endpoint, "notify") as mock_notify:
client._endpoint.notify(
"notebookDocument/didOpen",
{
"notebookDocument": {
"uri": "notebook_uri",
"notebookType": "jupyter-notebook",
"cells": [
{
"kind": NotebookCellKind.Code,
"document": "cell_1_uri",
},
],
},
"cellTextDocuments": [
{
"uri": "cell_1_uri",
"languageId": "python",
"text": "",
},
],
},
)
wait_for_condition(lambda: mock_notify.call_count >= 1)
assert isinstance(server.workspace.get_document("notebook_uri"), Notebook)
assert len(server.workspace.documents) == 2
server.workspace.update_config(
{"pylsp": {"plugins": {"flake8": {"enabled": True}}}}
)
assert server.config.plugin_settings("flake8").get("enabled") is True
assert (
server.workspace.get_document("cell_1_uri")
._config.plugin_settings("flake8")
.get("enabled")
is True
)
@pytest.mark.skipif(IS_WIN, reason="Flaky on Windows")
def test_notebook_document__did_open(
client_server_pair,
) -> None:
client, server = client_server_pair
send_initialize_request(client)
with patch.object(server._endpoint, "notify") as mock_notify:
# Test as many edge cases as possible for the diagnostics messages
send_notebook_did_open(
client, ["", "\n", "\nimport sys\n\nabc\n\n", "x", "y\n"]
)
wait_for_condition(lambda: mock_notify.call_count >= 5)
expected_call_args = [
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_1_uri",
"diagnostics": [],
},
),
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_2_uri",
"diagnostics": [],
},
),
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_3_uri",
"diagnostics": [
{
"source": "pyflakes",
"range": {
"start": {"line": 1, "character": 0},
"end": {"line": 1, "character": 11},
},
"message": "'sys' imported but unused",
"severity": 2,
},
{
"source": "pyflakes",
"range": {
"start": {"line": 3, "character": 0},
"end": {"line": 3, "character": 4},
},
"message": "undefined name 'abc'",
"severity": 1,
},
{
"source": "pycodestyle",
"range": {
"start": {"line": 1, "character": 0},
"end": {"line": 1, "character": 11},
},
"message": "E303 too many blank lines (4)",
"code": "E303",
"severity": 2,
},
],
},
),
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_4_uri",
"diagnostics": [
{
"source": "pyflakes",
"range": {
"start": {"line": 0, "character": 0},
"end": {"line": 0, "character": 2},
},
"message": "undefined name 'x'",
"severity": 1,
},
],
},
),
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_5_uri",
"diagnostics": [
{
"source": "pyflakes",
"range": {
"start": {"line": 0, "character": 0},
"end": {"line": 0, "character": 2},
},
"message": "undefined name 'y'",
"severity": 1,
},
],
},
),
]
mock_notify.assert_has_calls(expected_call_args)
@pytest.mark.skipif(IS_WIN, reason="Flaky on Windows")
def test_notebook_document__did_change(
client_server_pair,
) -> None:
client, server = client_server_pair
send_initialize_request(client)
# Open notebook
with patch.object(server._endpoint, "notify") as mock_notify:
send_notebook_did_open(client, ["import sys", ""])
wait_for_condition(lambda: mock_notify.call_count >= 2)
assert len(server.workspace.documents) == 3
for uri in ["cell_1_uri", "cell_2_uri", "notebook_uri"]:
assert uri in server.workspace.documents
assert len(server.workspace.get_document("notebook_uri").cells) == 2
expected_call_args = [
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_1_uri",
"diagnostics": [
{
"source": "pyflakes",
"range": {
"start": {"line": 0, "character": 0},
"end": {"line": 0, "character": 11},
},
"message": "'sys' imported but unused",
"severity": 2,
}
],
},
),
call(
"textDocument/publishDiagnostics",
params={"uri": "cell_2_uri", "diagnostics": []},
),
]
mock_notify.assert_has_calls(expected_call_args)
# Remove second cell
with patch.object(server._endpoint, "notify") as mock_notify:
client._endpoint.notify(
"notebookDocument/didChange",
{
"notebookDocument": {
"uri": "notebook_uri",
},
"change": {
"cells": {
"structure": {
"array": {
"start": 1,
"deleteCount": 1,
},
"didClose": [
{
"uri": "cell_2_uri",
}
],
},
}
},
},
)
wait_for_condition(lambda: mock_notify.call_count >= 2)
assert len(server.workspace.documents) == 2
assert "cell_2_uri" not in server.workspace.documents
assert len(server.workspace.get_document("notebook_uri").cells) == 1
expected_call_args = [
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_1_uri",
"diagnostics": [
{
"source": "pyflakes",
"range": {
"start": {"line": 0, "character": 0},
"end": {"line": 0, "character": 10},
},
"message": "'sys' imported but unused",
"severity": 2,
},
{
"source": "pycodestyle",
"range": {
"start": {"line": 0, "character": 10},
"end": {"line": 0, "character": 10},
},
"message": "W292 no newline at end of file",
"code": "W292",
"severity": 2,
},
],
},
)
]
mock_notify.assert_has_calls(expected_call_args)
# Add second cell
with patch.object(server._endpoint, "notify") as mock_notify:
client._endpoint.notify(
"notebookDocument/didChange",
{
"notebookDocument": {
"uri": "notebook_uri",
},
"change": {
"cells": {
"structure": {
"array": {
"start": 1,
"deleteCount": 0,
"cells": [
{
"kind": NotebookCellKind.Code,
"document": "cell_3_uri",
}
],
},
"didOpen": [
{
"uri": "cell_3_uri",
"languageId": "python",
"text": "x",
}
],
},
}
},
},
)
wait_for_condition(lambda: mock_notify.call_count >= 2)
assert len(server.workspace.documents) == 3
assert "cell_3_uri" in server.workspace.documents
assert len(server.workspace.get_document("notebook_uri").cells) == 2
expected_call_args = [
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_1_uri",
"diagnostics": [
{
"source": "pyflakes",
"range": {
"start": {"line": 0, "character": 0},
"end": {"line": 0, "character": 11},
},
"message": "'sys' imported but unused",
"severity": 2,
}
],
},
),
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_3_uri",
"diagnostics": [
{
"source": "pyflakes",
"range": {
"start": {"line": 0, "character": 0},
"end": {"line": 0, "character": 1},
},
"message": "undefined name 'x'",
"severity": 1,
},
{
"source": "pycodestyle",
"range": {
"start": {"line": 0, "character": 1},
"end": {"line": 0, "character": 1},
},
"message": "W292 no newline at end of file",
"code": "W292",
"severity": 2,
},
],
},
),
]
mock_notify.assert_has_calls(expected_call_args)
# Edit second cell
with patch.object(server._endpoint, "notify") as mock_notify:
client._endpoint.notify(
"notebookDocument/didChange",
{
"notebookDocument": {
"uri": "notebook_uri",
},
"change": {
"cells": {
"textContent": [
{
"document": {
"uri": "cell_3_uri",
},
"changes": [{"text": "sys.path"}],
}
]
}
},
},
)
wait_for_condition(lambda: mock_notify.call_count >= 2)
expected_call_args = [
call(
"textDocument/publishDiagnostics",
params={"uri": "cell_1_uri", "diagnostics": []},
),
call(
"textDocument/publishDiagnostics",
params={
"uri": "cell_3_uri",
"diagnostics": [
{
"source": "pycodestyle",
"range": {
"start": {"line": 0, "character": 8},
"end": {"line": 0, "character": 8},
},
"message": "W292 no newline at end of file",
"code": "W292",
"severity": 2,
}
],
},
),
]
mock_notify.assert_has_calls(expected_call_args)
@pytest.mark.skipif(IS_WIN, reason="Flaky on Windows")
def test_notebook__did_close(
client_server_pair,
) -> None:
client, server = client_server_pair
send_initialize_request(client)
# Open notebook
with patch.object(server._endpoint, "notify") as mock_notify:
send_notebook_did_open(client, ["import sys", ""])
wait_for_condition(lambda: mock_notify.call_count >= 2)
assert len(server.workspace.documents) == 3
for uri in ["cell_1_uri", "cell_2_uri", "notebook_uri"]:
assert uri in server.workspace.documents
# Close notebook
with patch.object(server._endpoint, "notify") as mock_notify:
client._endpoint.notify(
"notebookDocument/didClose",
{
"notebookDocument": {
"uri": "notebook_uri",
},
"cellTextDocuments": [
{
"uri": "cell_1_uri",
},
{
"uri": "cell_2_uri",
},
],
},
)
wait_for_condition(lambda: mock_notify.call_count >= 2)
assert len(server.workspace.documents) == 0
@pytest.mark.skipif(IS_WIN, reason="Flaky on Windows")
def test_notebook_definition(client_server_pair) -> None:
client, server = client_server_pair
send_initialize_request(client)
# Open notebook
with patch.object(server._endpoint, "notify") as mock_notify:
send_notebook_did_open(client, ["y=2\nx=1", "x"])
# wait for expected diagnostics messages
wait_for_condition(lambda: mock_notify.call_count >= 2)
assert len(server.workspace.documents) == 3
for uri in ["cell_1_uri", "cell_2_uri", "notebook_uri"]:
assert uri in server.workspace.documents
future = client._endpoint.request(
"textDocument/definition",
{
"textDocument": {
"uri": "cell_2_uri",
},
"position": {"line": 0, "character": 1},
},
)
result = future.result(CALL_TIMEOUT_IN_SECONDS)
assert result == [
{
"uri": "cell_1_uri",
"range": {
"start": {"line": 1, "character": 0},
"end": {"line": 1, "character": 1},
},
}
]
@pytest.mark.skipif(IS_WIN, reason="Flaky on Windows")
def test_notebook_completion(client_server_pair) -> None:
"""
Tests that completions work across cell boundaries for notebook document support
"""
client, server = client_server_pair
send_initialize_request(client)
# Open notebook
with patch.object(server._endpoint, "notify") as mock_notify:
send_notebook_did_open(
client, ["answer_to_life_universe_everything = 42", "answer_"]
)
# wait for expected diagnostics messages
wait_for_condition(lambda: mock_notify.call_count >= 2)
assert len(server.workspace.documents) == 3
for uri in ["cell_1_uri", "cell_2_uri", "notebook_uri"]:
assert uri in server.workspace.documents
future = client._endpoint.request(
"textDocument/completion",
{
"textDocument": {
"uri": "cell_2_uri",
},
"position": {"line": 0, "character": 7},
},
)
result = future.result(CALL_TIMEOUT_IN_SECONDS)
assert result == {
"isIncomplete": False,
"items": [
{
"data": {"doc_uri": "cell_2_uri"},
"insertText": "answer_to_life_universe_everything",
"kind": 6,
"label": "answer_to_life_universe_everything",
"sortText": "aanswer_to_life_universe_everything",
},
],
}