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import unittest.mock as mock
import pytest
import kajiki.loader
from kajiki.__main__ import main
class MainMocks:
def __init__(self, monkeypatch):
mocked_render = mock.Mock(return_value="render result")
self.render = mocked_render
class MockedTemplate(object):
def render(self, *args, **kwargs):
return mocked_render(*args, **kwargs)
self.template_type = mock.Mock(return_value=MockedTemplate())
mocked_import = mock.Mock(return_value=self.template_type)
self.import_ = mocked_import
class MockedLoader(object):
def import_(self, *args, **kwargs):
return mocked_import(*args, **kwargs)
self.file_loader_type = mock.Mock(return_value=MockedLoader())
monkeypatch.setattr(kajiki.loader, "FileLoader", self.file_loader_type)
self.package_loader_type = mock.Mock(return_value=MockedLoader())
monkeypatch.setattr(kajiki.loader, "PackageLoader", self.package_loader_type)
@pytest.fixture
def main_mocks(monkeypatch):
return MainMocks(monkeypatch)
@pytest.mark.parametrize(
["filename", "load_path"],
[
("filename.txt", "."),
("/path/to/filename.xml", "/path/to"),
("some/subdir/myfile.html", "some/subdir"),
],
)
def test_simple_file_load(filename, load_path, capsys, main_mocks):
main([filename])
main_mocks.file_loader_type.assert_called_once_with(
path=[load_path], force_mode=None
)
main_mocks.import_.assert_called_once_with(filename)
main_mocks.template_type.assert_called_once_with({})
main_mocks.render.assert_called_once_with()
assert capsys.readouterr().out == "render result"
def test_simple_package_load(capsys, main_mocks):
main(["-p", "my.cool.package"])
main_mocks.package_loader_type.assert_called_once_with(force_mode=None)
main_mocks.import_.assert_called_once_with("my.cool.package")
main_mocks.template_type.assert_called_once_with({})
main_mocks.render.assert_called_once_with()
assert capsys.readouterr().out == "render result"
@mock.patch("site.addsitedir", autospec=True)
def test_package_loader_site_dirs(addsitedir, capsys, main_mocks):
main(
[
"-i",
"/usr/share/my-python-site",
"-i",
"relative/site/path",
"-i",
"another",
"-p",
"my.cool.package",
]
)
addsitedir.assert_has_calls(
[
mock.call("/usr/share/my-python-site"),
mock.call("relative/site/path"),
mock.call("another"),
]
)
main_mocks.package_loader_type.assert_called_once_with(force_mode=None)
main_mocks.import_.assert_called_once_with("my.cool.package")
main_mocks.template_type.assert_called_once_with({})
main_mocks.render.assert_called_once_with()
assert capsys.readouterr().out == "render result"
def test_output_to_file(tmpdir, main_mocks):
outfile = str(tmpdir / "output_file.txt")
main(["infile.txt", outfile])
main_mocks.file_loader_type.assert_called_once_with(path=["."], force_mode=None)
main_mocks.import_.assert_called_once_with("infile.txt")
main_mocks.template_type.assert_called_once_with({})
main_mocks.render.assert_called_once_with()
with open(outfile, "r") as f:
assert f.read() == "render result"
def test_template_variables(main_mocks):
main(["-v", "foo=bar", "-v", "baz=bip", "infile.txt"])
main_mocks.file_loader_type.assert_called_once_with(path=["."], force_mode=None)
main_mocks.import_.assert_called_once_with("infile.txt")
main_mocks.template_type.assert_called_once_with(
{
"foo": "bar",
"baz": "bip",
}
)
main_mocks.render.assert_called_once_with()
def test_template_variables_bad(capsys):
with pytest.raises(SystemExit) as e:
main(["-v", "BADBADBAD", "infile.txt"])
assert e.value.code != 0
captured = capsys.readouterr()
assert captured.out == ""
assert captured.err.endswith(
"error: argument -v/--var: Expected a KEY=VALUE pair, got BADBADBAD\n"
)
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