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# pylint: disable=unused-variable,expression-not-assigned,misplaced-comparison-constant,singleton-comparison |
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import tempfile |
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from pathlib import Path |
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from unittest.mock import patch, Mock |
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import pytest |
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from expecter import expect |
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from memegen.domain import Template |
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def temp(path): |
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return Path(tempfile.gettempdir(), path) |
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def describe_template(): |
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def it_supports_comparison(): |
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t1 = Template('abc', "A Thing") |
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t2 = Template('def') |
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t3 = Template('def', "Do This") |
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assert t1 != t2 |
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assert t2 == t3 |
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assert t1 < t3 |
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def describe_get_path(): |
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@patch('pathlib.Path.is_file', Mock(return_value=True)) |
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def it_returns_default_when_no_style(template): |
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expect(template.get_path()) == Path("abc/default.png") |
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@patch('pathlib.Path.is_file', Mock(return_value=True)) |
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def it_returns_alternate_when_style_provided(template): |
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expect(template.get_path('Custom')) == Path("abc/custom.png") |
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@patch('pathlib.Path.is_file', Mock(return_value=True)) |
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def it_returns_default_when_style_is_none(template): |
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expect(template.get_path(None)) == Path("abc/default.png") |
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@patch('pathlib.Path.is_file', Mock(return_value=False)) |
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def it_considers_urls_valid_styles(template): |
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url = "http://example.com" |
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path = temp("a9b9f04336ce0181a08e774e01113b31") |
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expect(template.get_path(url)) == path |
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@patch('pathlib.Path.is_file', Mock(return_value=True)) |
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def it_caches_file_downloads(template): |
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url = "http://this/will/be/ignored" |
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path = temp("d888710f0697650eb68fc9dcbb976d4c") |
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expect(template.get_path(url)) == path |
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def it_handles_bad_urls(template): |
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expect(template.get_path("http://invalid")) == None |
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def it_handles_invalid_paths(template): |
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expect(template.get_path("@#$%^")) == None |
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def describe_path(): |
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def is_returned_when_file_exists(template): |
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template.root = "my_root" |
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with patch('pathlib.Path.is_file', Mock(return_value=True)): |
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path = template.path |
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expect(path) == Path("my_root/abc/default.png") |
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def is_none_when_no_file(template): |
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template.root = "my_root" |
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with patch('pathlib.Path.is_file', Mock(return_value=False)): |
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path = template.path |
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expect(path) == None |
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def describe_default_path(): |
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def is_based_on_lines(template): |
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expect(template.default_path) == "foo/bar" |
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def is_underscore_when_no_lines(template): |
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template.lines = [] |
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expect(template.default_path) == "_" |
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def describe_styles(): |
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@patch('os.listdir', Mock(return_value=[])) |
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def is_empty_when_no_alternate_images(template): |
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expect(template.styles) == [] |
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@patch('os.listdir', Mock(return_value=['foo.jpg', 'bar.png'])) |
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def is_filesnames_of_alternate_images(template): |
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expect(template.styles) == ['bar', 'foo'] |
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def describe_sample_path(): |
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def is_based_on_lines(template): |
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expect(template.sample_path) == "foo/bar" |
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def is_placeholder_when_no_lines(template): |
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template.lines = [] |
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expect(template.sample_path) == "your_text/goes_here" |
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def describe_keywords(): |
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def is_the_set_of_all_relevant_terms(template): |
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template.lines[0] = "A day in the life" |
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expect(template.keywords) == \ |
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{'bar', 'the', 'day', 'in', 'abc', 'a', 'life'} |
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def describe_search(): |
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def it_counts_contained_terms(template): |
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template.key = 'Foo' |
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template.name = "The Foobar Meme" |
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template.aliases.append('Foo') |
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template.aliases.append('Foobar') |
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template.lines[0] = "This on time foobar happened" |
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expect(template.search("Foo")) == 5 |
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def it_treats_none_specially(template): |
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expect(template.search(None)) == -1 |
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def describe_validate_meta(): |
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def with_no_name(template): |
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template.name = None |
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expect(template.validate_meta()) == False |
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def with_no_default_image(template): |
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expect(template.validate_meta()) == False |
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def with_nonalphanumberic_name(template): |
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template.name = "'ABC' Meme" |
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expect(template.validate_meta()) == False |
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def describe_validate_link(): |
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@pytest.fixture(autouse=True) |
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def enable_validation(monkeypatch): |
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monkeypatch.setenv('VALIDATE_LINKS', "true") |
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def with_bad_link(template): |
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mock_response = Mock() |
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mock_response.status_code = 404 |
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with patch('requests.head', Mock(return_value=mock_response)): |
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template.link = "example.com/fake" |
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expect(template.validate_link(delay=0)) == False |
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@patch('pathlib.Path.is_file', Mock(return_value=True)) |
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def with_cached_valid_link(template): |
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template.link = "already_cached_site.com" |
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expect(template.validate_link(delay=0)) == True |
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def describe_validate_size(): |
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@pytest.mark.parametrize('dimensions,valid', [ |
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((Template.MIN_WIDTH, Template.MIN_HEIGHT), True), |
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((Template.MIN_WIDTH - 1, Template.MIN_HEIGHT), False), |
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((Template.MIN_WIDTH, Template.MIN_HEIGHT - 1), False), |
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((Template.MIN_WIDTH - 1, Template.MIN_HEIGHT - 1), False), |
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]) |
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@patch('PIL.Image.open') |
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def with_various_dimenions(mock_open, template, dimensions, valid): |
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mock_img = Mock() |
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mock_img.size = dimensions |
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mock_open.return_value = mock_img |
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expect(template.validate_size()) == valid |
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def describe_validate(): |
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def with_no_validators(template): |
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expect(template.validate([])) == True |
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def with_all_passing_validators(template): |
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"""Verify a template is valid if all validators pass.""" |
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mock_validators = [lambda: True] |
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expect(template.validate(validators=mock_validators)) == True |
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def with_one_failing_validator(template): |
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"""Verify a template is invalid if any validators fail.""" |
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mock_validators = [lambda: False] |
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expect(template.validate(validators=mock_validators)) == False |
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jacebrowning /
memegen
