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# -*- coding: utf-8 -*- |
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"""Tests for `cookiecutter.prompt` module.""" |
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import platform |
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from collections import OrderedDict |
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import pytest |
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import six |
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from cookiecutter import prompt, exceptions, environment |
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@pytest.fixture(autouse=True) |
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def patch_readline_on_win(monkeypatch): |
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"""Fixture. Overwrite windows end of line to linux standard.""" |
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if 'windows' in platform.platform().lower(): |
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monkeypatch.setattr('sys.stdin.readline', lambda: '\n') |
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class TestRenderVariable: |
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"""Class to unite simple and complex tests for render_variable function.""" |
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@pytest.mark.parametrize( |
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'raw_var, rendered_var', |
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[ |
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(1, '1'), |
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(True, 'True'), |
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('foo', 'foo'), |
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('{{cookiecutter.project}}', 'foobar'), |
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(None, None), |
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], |
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) |
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def test_convert_to_str(self, mocker, raw_var, rendered_var): |
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"""Verify simple items correctly rendered to strings.""" |
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env = environment.StrictEnvironment() |
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from_string = mocker.patch( |
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'cookiecutter.prompt.StrictEnvironment.from_string', wraps=env.from_string |
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) |
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context = {'project': 'foobar'} |
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result = prompt.render_variable(env, raw_var, context) |
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assert result == rendered_var |
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# Make sure that non None non str variables are converted beforehand |
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if raw_var is not None: |
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if not isinstance(raw_var, six.string_types): |
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raw_var = str(raw_var) |
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from_string.assert_called_once_with(raw_var) |
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else: |
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assert not from_string.called |
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@pytest.mark.parametrize( |
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'raw_var, rendered_var', |
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[ |
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({1: True, 'foo': False}, {'1': 'True', 'foo': 'False'}), |
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( |
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{'{{cookiecutter.project}}': ['foo', 1], 'bar': False}, |
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{'foobar': ['foo', '1'], 'bar': 'False'}, |
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), |
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(['foo', '{{cookiecutter.project}}', None], ['foo', 'foobar', None]), |
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], |
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) |
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def test_convert_to_str_complex_variables(self, raw_var, rendered_var): |
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"""Verify tree items correctly rendered.""" |
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env = environment.StrictEnvironment() |
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context = {'project': 'foobar'} |
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result = prompt.render_variable(env, raw_var, context) |
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assert result == rendered_var |
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class TestPrompt(object): |
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"""Class to unite user prompt related tests.""" |
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@pytest.mark.parametrize( |
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'context', |
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[ |
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{'cookiecutter': {'full_name': 'Your Name'}}, |
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{'cookiecutter': {'full_name': u'Řekni či napiš své jméno'}}, |
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], |
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ids=['ASCII default prompt/input', 'Unicode default prompt/input'], |
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) |
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def test_prompt_for_config(self, monkeypatch, context): |
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"""Verify `prompt_for_config` call `read_user_variable` on text request.""" |
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monkeypatch.setattr( |
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'cookiecutter.prompt.read_user_variable', lambda var, default: default, |
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) |
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cookiecutter_dict = prompt.prompt_for_config(context) |
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assert cookiecutter_dict == context['cookiecutter'] |
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def test_prompt_for_config_dict(self, monkeypatch): |
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"""Verify `prompt_for_config` call `read_user_variable` on dict request.""" |
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monkeypatch.setattr( |
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'cookiecutter.prompt.read_user_dict', |
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lambda var, default: {"key": "value", "integer": 37}, |
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) |
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context = {'cookiecutter': {'details': {}}} |
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cookiecutter_dict = prompt.prompt_for_config(context) |
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assert cookiecutter_dict == {'details': {'key': u'value', 'integer': 37}} |
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def test_should_render_dict(self): |
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"""Verify template inside dictionary variable rendered.""" |
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context = { |
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'cookiecutter': { |
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'project_name': 'Slartibartfast', |
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'details': { |
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'{{cookiecutter.project_name}}': '{{cookiecutter.project_name}}' |
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}, |
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} |
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} |
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cookiecutter_dict = prompt.prompt_for_config(context, no_input=True) |
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assert cookiecutter_dict == { |
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'project_name': 'Slartibartfast', |
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'details': {'Slartibartfast': u'Slartibartfast'}, |
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} |
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def test_should_render_deep_dict(self): |
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"""Verify nested structures like dict in dict, rendered correctly.""" |
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context = { |
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'cookiecutter': { |
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'project_name': "Slartibartfast", |
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'details': { |
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"key": "value", |
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"integer_key": 37, |
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"other_name": '{{cookiecutter.project_name}}', |
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"dict_key": { |
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"deep_key": "deep_value", |
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"deep_integer": 42, |
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"deep_other_name": '{{cookiecutter.project_name}}', |
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"deep_list": [ |
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"deep value 1", |
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"{{cookiecutter.project_name}}", |
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"deep value 3", |
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], |
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}, |
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"list_key": [ |
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"value 1", |
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"{{cookiecutter.project_name}}", |
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"value 3", |
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], |
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}, |
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} |
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} |
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cookiecutter_dict = prompt.prompt_for_config(context, no_input=True) |
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assert cookiecutter_dict == { |
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'project_name': "Slartibartfast", |
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'details': { |
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"key": "value", |
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"integer_key": "37", |
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"other_name": "Slartibartfast", |
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"dict_key": { |
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"deep_key": "deep_value", |
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"deep_integer": "42", |
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"deep_other_name": "Slartibartfast", |
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"deep_list": ["deep value 1", "Slartibartfast", "deep value 3"], |
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}, |
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"list_key": ["value 1", "Slartibartfast", "value 3"], |
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}, |
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} |
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def test_prompt_for_templated_config(self, monkeypatch): |
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"""Verify Jinja2 templating works in unicode prompts.""" |
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monkeypatch.setattr( |
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'cookiecutter.prompt.read_user_variable', lambda var, default: default |
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) |
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context = { |
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'cookiecutter': OrderedDict( |
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[ |
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('project_name', u'A New Project'), |
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( |
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'pkg_name', |
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u'{{ cookiecutter.project_name|lower|replace(" ", "") }}', |
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), |
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] |
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) |
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} |
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exp_cookiecutter_dict = { |
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'project_name': u'A New Project', |
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'pkg_name': u'anewproject', |
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} |
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cookiecutter_dict = prompt.prompt_for_config(context) |
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assert cookiecutter_dict == exp_cookiecutter_dict |
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def test_dont_prompt_for_private_context_var(self, monkeypatch): |
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"""Verify `read_user_variable` not called for private context variables.""" |
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monkeypatch.setattr( |
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'cookiecutter.prompt.read_user_variable', |
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lambda var, default: pytest.fail( |
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'Should not try to read a response for private context var' |
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), |
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) |
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context = {'cookiecutter': {'_copy_without_render': ['*.html']}} |
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cookiecutter_dict = prompt.prompt_for_config(context) |
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assert cookiecutter_dict == {'_copy_without_render': ['*.html']} |
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def test_should_render_private_variables_with_two_underscores(self): |
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"""Test rendering of private variables with two underscores. |
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There are three cases: |
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1. Variables beginning with a single underscore are private and not rendered. |
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2. Variables beginning with a double underscore are private and are rendered. |
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3. Variables beginning with anything other than underscores are not private and |
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are rendered. |
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""" |
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context = { |
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'cookiecutter': OrderedDict( |
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[ |
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('foo', 'Hello world'), |
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('bar', 123), |
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('rendered_foo', u'{{ cookiecutter.foo|lower }}'), |
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('rendered_bar', 123), |
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('_hidden_foo', u'{{ cookiecutter.foo|lower }}'), |
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('_hidden_bar', 123), |
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('__rendered_hidden_foo', u'{{ cookiecutter.foo|lower }}'), |
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('__rendered_hidden_bar', 123), |
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] |
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) |
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} |
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cookiecutter_dict = prompt.prompt_for_config(context, no_input=True) |
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assert cookiecutter_dict == OrderedDict( |
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[ |
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('foo', 'Hello world'), |
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('bar', '123'), |
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('rendered_foo', 'hello world'), |
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('rendered_bar', '123'), |
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('_hidden_foo', u'{{ cookiecutter.foo|lower }}'), |
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('_hidden_bar', 123), |
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('__rendered_hidden_foo', 'hello world'), |
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('__rendered_hidden_bar', '123'), |
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] |
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) |
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def test_should_not_render_private_variables(self): |
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"""Verify private(underscored) variables not rendered by `prompt_for_config`. |
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Private variables designed to be raw, same as context input. |
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""" |
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context = { |
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'cookiecutter': { |
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'project_name': 'Skip render', |
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'_skip_jinja_template': '{{cookiecutter.project_name}}', |
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'_skip_float': 123.25, |
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'_skip_integer': 123, |
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'_skip_boolean': True, |
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'_skip_nested': True, |
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} |
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} |
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cookiecutter_dict = prompt.prompt_for_config(context, no_input=True) |
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assert cookiecutter_dict == context['cookiecutter'] |
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class TestReadUserChoice(object): |
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"""Class to unite choices prompt related tests.""" |
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def test_should_invoke_read_user_choice(self, mocker): |
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"""Verify correct function called for select(list) variables.""" |
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prompt_choice = mocker.patch( |
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'cookiecutter.prompt.prompt_choice_for_config', |
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wraps=prompt.prompt_choice_for_config, |
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) |
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read_user_choice = mocker.patch('cookiecutter.prompt.read_user_choice') |
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read_user_choice.return_value = 'all' |
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read_user_variable = mocker.patch('cookiecutter.prompt.read_user_variable') |
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choices = ['landscape', 'portrait', 'all'] |
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context = {'cookiecutter': {'orientation': choices}} |
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cookiecutter_dict = prompt.prompt_for_config(context) |
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assert not read_user_variable.called |
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assert prompt_choice.called |
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read_user_choice.assert_called_once_with('orientation', choices) |
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assert cookiecutter_dict == {'orientation': 'all'} |
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def test_should_invoke_read_user_variable(self, mocker): |
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"""Verify correct function called for string input variables.""" |
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read_user_variable = mocker.patch('cookiecutter.prompt.read_user_variable') |
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read_user_variable.return_value = u'Audrey Roy' |
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prompt_choice = mocker.patch('cookiecutter.prompt.prompt_choice_for_config') |
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read_user_choice = mocker.patch('cookiecutter.prompt.read_user_choice') |
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context = {'cookiecutter': {'full_name': 'Your Name'}} |
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cookiecutter_dict = prompt.prompt_for_config(context) |
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assert not prompt_choice.called |
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assert not read_user_choice.called |
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read_user_variable.assert_called_once_with('full_name', 'Your Name') |
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assert cookiecutter_dict == {'full_name': u'Audrey Roy'} |
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def test_should_render_choices(self, mocker): |
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"""Verify Jinja2 templating engine works inside choices variables.""" |
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read_user_choice = mocker.patch('cookiecutter.prompt.read_user_choice') |
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read_user_choice.return_value = u'anewproject' |
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read_user_variable = mocker.patch('cookiecutter.prompt.read_user_variable') |
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read_user_variable.return_value = u'A New Project' |
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rendered_choices = [u'foo', u'anewproject', u'bar'] |
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context = { |
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'cookiecutter': OrderedDict( |
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[ |
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('project_name', u'A New Project'), |
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( |
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'pkg_name', |
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[ |
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u'foo', |
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u'{{ cookiecutter.project_name|lower|replace(" ", "") }}', |
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u'bar', |
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], |
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), |
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] |
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) |
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} |
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expected = { |
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'project_name': u'A New Project', |
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'pkg_name': u'anewproject', |
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} |
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cookiecutter_dict = prompt.prompt_for_config(context) |
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read_user_variable.assert_called_once_with('project_name', u'A New Project') |
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read_user_choice.assert_called_once_with('pkg_name', rendered_choices) |
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assert cookiecutter_dict == expected |
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class TestPromptChoiceForConfig(object): |
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"""Class to unite choices prompt related tests with config test.""" |
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@pytest.fixture |
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def choices(self): |
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"""Fixture. Just populate choices variable.""" |
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return ['landscape', 'portrait', 'all'] |
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|
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@pytest.fixture |
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def context(self, choices): |
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"""Fixture. Just populate context variable.""" |
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return {'cookiecutter': {'orientation': choices}} |
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def test_should_return_first_option_if_no_input(self, mocker, choices, context): |
352
|
|
|
"""Verify prompt_choice_for_config return first list option on no_input=True.""" |
353
|
|
|
read_user_choice = mocker.patch('cookiecutter.prompt.read_user_choice') |
354
|
|
|
|
355
|
|
|
expected_choice = choices[0] |
356
|
|
|
|
357
|
|
|
actual_choice = prompt.prompt_choice_for_config( |
358
|
|
|
cookiecutter_dict=context, |
359
|
|
|
env=environment.StrictEnvironment(), |
360
|
|
|
key='orientation', |
361
|
|
|
options=choices, |
362
|
|
|
no_input=True, # Suppress user input |
363
|
|
|
) |
364
|
|
|
|
365
|
|
|
assert not read_user_choice.called |
366
|
|
|
assert expected_choice == actual_choice |
367
|
|
|
|
368
|
|
|
def test_should_read_user_choice(self, mocker, choices, context): |
369
|
|
|
"""Verify prompt_choice_for_config return user selection on no_input=False.""" |
370
|
|
|
read_user_choice = mocker.patch('cookiecutter.prompt.read_user_choice') |
371
|
|
|
read_user_choice.return_value = 'all' |
372
|
|
|
|
373
|
|
|
expected_choice = 'all' |
374
|
|
|
|
375
|
|
|
actual_choice = prompt.prompt_choice_for_config( |
376
|
|
|
cookiecutter_dict=context, |
377
|
|
|
env=environment.StrictEnvironment(), |
378
|
|
|
key='orientation', |
379
|
|
|
options=choices, |
380
|
|
|
no_input=False, # Ask the user for input |
381
|
|
|
) |
382
|
|
|
read_user_choice.assert_called_once_with('orientation', choices) |
383
|
|
|
assert expected_choice == actual_choice |
384
|
|
|
|
385
|
|
|
|
386
|
|
|
@pytest.mark.parametrize( |
387
|
|
|
'context', |
388
|
|
|
( |
389
|
|
|
{'cookiecutter': {'foo': '{{cookiecutter.nope}}'}}, |
390
|
|
|
{'cookiecutter': {'foo': ['123', '{{cookiecutter.nope}}', '456']}}, |
391
|
|
|
{'cookiecutter': {'foo': {'{{cookiecutter.nope}}': 'value'}}}, |
392
|
|
|
{'cookiecutter': {'foo': {'key': '{{cookiecutter.nope}}'}}}, |
393
|
|
|
), |
394
|
|
|
ids=[ |
395
|
|
|
'Undefined variable in cookiecutter dict', |
396
|
|
|
'Undefined variable in cookiecutter dict with choices', |
397
|
|
|
'Undefined variable in cookiecutter dict with dict_key', |
398
|
|
|
'Undefined variable in cookiecutter dict with key_value', |
399
|
|
|
], |
400
|
|
|
) |
401
|
|
|
def test_undefined_variable(context): |
402
|
|
|
"""Verify `prompt.prompt_for_config` raises correct error.""" |
403
|
|
|
with pytest.raises(exceptions.UndefinedVariableInTemplate) as err: |
404
|
|
|
prompt.prompt_for_config(context, no_input=True) |
405
|
|
|
|
406
|
|
|
error = err.value |
407
|
|
|
assert error.message == "Unable to render variable 'foo'" |
408
|
|
|
assert error.context == context |
409
|
|
|
|