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import asyncio
from unittest.mock import Mock
from unittest.mock import call
import pytest
from prompt_toolkit.document import Document
from prompt_toolkit.input.defaults import create_pipe_input
from prompt_toolkit.output import DummyOutput
from prompt_toolkit.styles import Attrs
from prompt_toolkit.validation import ValidationError
from prompt_toolkit.validation import Validator
from questionary import Choice
from questionary.prompts import common
from questionary.prompts.common import InquirerControl
from questionary.prompts.common import build_validator
from questionary.prompts.common import print_formatted_text
from tests.utils import prompt_toolkit_version
def test_to_many_choices_for_shortcut_assignment():
ic = InquirerControl([str(i) for i in range(1, 100)], use_shortcuts=True)
# IC should fail gracefully when running out of shortcuts
assert len(list(filter(lambda x: x.shortcut_key is not None, ic.choices))) == len(
InquirerControl.SHORTCUT_KEYS
)
def test_validator_bool_function():
def validate(t):
return len(t) == 3
validator = build_validator(validate)
assert validator.validate(Document("foo")) is None # should not raise
def test_validator_bool_function_fails():
def validate(t):
return len(t) == 3
validator = build_validator(validate)
with pytest.raises(ValidationError) as e:
validator.validate(Document("fooooo"))
assert e.value.message == "Invalid input"
def test_validator_instance():
def validate(t):
return len(t) == 3
validator = Validator.from_callable(validate)
validator = build_validator(validator)
assert validator.validate(Document("foo")) is None # should not raise
def test_validator_instance_fails():
def validate(t):
return len(t) == 3
validator = Validator.from_callable(validate, error_message="invalid input")
with pytest.raises(ValidationError) as e:
validator.validate(Document("fooooo"))
assert e.value.message == "invalid input"
def test_blank_line_fix():
def get_prompt_tokens():
return [("class:question", "What is your favourite letter?")]
ic = InquirerControl(["a", "b", "c"])
async def run(inp):
inp.send_text("")
layout = common.create_inquirer_layout(
ic, get_prompt_tokens, input=inp, output=DummyOutput()
)
# usually this would be 2000000000000000000000000000000
# but `common._fix_unecessary_blank_lines` makes sure
# the main window is not as greedy (avoiding blank lines)
assert (
layout.container.preferred_height(100, 200).max
== 1000000000000000000000000000001
)
if prompt_toolkit_version < (3, 0, 29):
inp = create_pipe_input()
try:
return asyncio.run(run(inp))
finally:
inp.close()
else:
with create_pipe_input() as inp:
asyncio.run(run(inp))
def test_prompt_highlight_coexist():
ic = InquirerControl(["a", "b", "c"])
expected_tokens = [
("class:pointer", " » "),
("[SetCursorPosition]", ""),
("class:text", "○ "),
("class:highlighted", "a"),
("", "\n"),
("class:text", " "),
("class:text", "○ "),
("class:text", "b"),
("", "\n"),
("class:text", " "),
("class:text", "○ "),
("class:text", "c"),
]
assert ic.pointed_at == 0
assert ic._get_choice_tokens() == expected_tokens
ic.select_previous()
expected_tokens = [
("class:text", " "),
("class:text", "○ "),
("class:text", "a"),
("", "\n"),
("class:text", " "),
("class:text", "○ "),
("class:text", "b"),
("", "\n"),
("class:pointer", " » "),
("[SetCursorPosition]", ""),
("class:text", "○ "),
("class:highlighted", "c"),
]
assert ic.pointed_at == 2
assert ic._get_choice_tokens() == expected_tokens
def test_prompt_show_answer_with_shortcuts():
ic = InquirerControl(
["a", Choice("b", shortcut_key=False), "c"],
show_selected=True,
use_shortcuts=True,
)
expected_tokens = [
("class:pointer", " » "),
("[SetCursorPosition]", ""),
("class:text", "○ "),
("class:highlighted", "1) a"),
("", "\n"),
("class:text", " "),
("class:text", "○ "),
("class:text", "-) b"),
("", "\n"),
("class:text", " "),
("class:text", "○ "),
("class:text", "2) c"),
("", "\n"),
("class:text", " Answer: 1) a"),
]
assert ic.pointed_at == 0
assert ic._get_choice_tokens() == expected_tokens
ic.select_next()
expected_tokens = [
("class:text", " "),
("class:text", "○ "),
("class:text", "1) a"),
("", "\n"),
("class:pointer", " » "),
("[SetCursorPosition]", ""),
("class:text", "○ "),
("class:highlighted", "-) b"),
("", "\n"),
("class:text", " "),
("class:text", "○ "),
("class:text", "2) c"),
("", "\n"),
("class:text", " Answer: -) b"),
]
assert ic.pointed_at == 1
assert ic._get_choice_tokens() == expected_tokens
def test_print(monkeypatch):
mock = Mock(return_value=None)
monkeypatch.setattr(DummyOutput, "write", mock)
print_formatted_text("Hello World", output=DummyOutput())
mock.assert_has_calls([call("Hello World"), call("\r\n")])
def test_print_with_style(monkeypatch):
mock = Mock(return_value=None)
monkeypatch.setattr(DummyOutput, "write", mock.write)
monkeypatch.setattr(DummyOutput, "set_attributes", mock.set_attributes)
print_formatted_text(
"Hello World", style="bold italic fg:darkred", output=DummyOutput()
)
assert len(mock.method_calls) == 4
assert mock.method_calls[0][0] == "set_attributes"
if prompt_toolkit_version < (3, 0, 20):
assert mock.method_calls[0][1][0] == Attrs(
color="8b0000",
bgcolor="",
bold=True,
underline=False,
italic=True,
blink=False,
reverse=False,
hidden=False,
)
else:
assert mock.method_calls[0][1][0] == Attrs(
color="8b0000",
bgcolor="",
bold=True,
underline=False,
italic=True,
blink=False,
reverse=False,
hidden=False,
strike=False,
)
assert mock.method_calls[1][0] == "write"
assert mock.method_calls[1][1][0] == "Hello World"
def test_prompt_show_description():
ic = InquirerControl(
["a", Choice("b", description="B")],
show_selected=True,
show_description=True,
)
expected_tokens = [
("class:pointer", " » "),
("[SetCursorPosition]", ""),
("class:text", "○ "),
("class:highlighted", "a"),
("", "\n"),
("class:text", " "),
("class:text", "○ "),
("class:text", "b"),
("", "\n"),
("class:text", " Answer: a"),
]
assert ic.pointed_at == 0
assert ic._get_choice_tokens() == expected_tokens
ic.select_next()
expected_tokens = [
("class:text", " "),
("class:text", "○ "),
("class:text", "a"),
("", "\n"),
("class:pointer", " » "),
("[SetCursorPosition]", ""),
("class:text", "○ "),
("class:highlighted", "b"),
("", "\n"),
("class:text", " Answer: b"),
("class:text", " Description: B"),
]
assert ic.pointed_at == 1
assert ic._get_choice_tokens() == expected_tokens
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