Python index.Index類代碼示例

def test_curd_package():
    "It should possible to convert regular packages to wheels"

    # Given that I have a storage containing a package
    index = Index(FIXTURE('storage1'))
    index.scan()

    # And a curdling using that index
    curdling = Curdling(index=index)

    # When I request a curd to be created
    package = curdling.wheel('gherkin==0.1.0', ('main', {
        'path': index.get('gherkin==0.1.0;~whl')}))

    # Then I see it's a wheel package.
    package.should.equal({
        'path': FIXTURE('storage1/gherkin-0.1.0-py27-none-any.whl'),
    })

    # And that it's present in the index
    package = index.get('gherkin==0.1.0;whl')

    # And that the file was created in the file system
    os.path.exists(package).should.be.true

    # And I delete the file
    os.unlink(package)

def test_pipeline_curdler_wheel_dependencer():
    "Install#pipeline() should route all the wheel files from the curdler to the dependencer"

    # Given that I have the install command
    index = Index('')
    index.storage = {}
    install = Install(conf={'index': index})

    # And I mock the curdler service end-point and start all the services
    install.dependencer.queue = Mock(__name__=str('queue'))
    install.pipeline()

    # Feed the installer with the requirement
    install.finder.queue = Mock()
    install.feed('tests', requirement='curdling')

    # When I fire the curdler.finished() signal with proper data
    install.curdler.emit('finished',
        'curdler',
        requirement='curdling',
        wheel='curdling-0.1.0-py27-none-any.whl')

    # Than I see that the dependencer received a request
    install.dependencer.queue.assert_called_once_with(
        'curdler',
        requirement='curdling',
        wheel='curdling-0.1.0-py27-none-any.whl')

def test_pipeline_downloader_tarzip_curdler():
    "Install#pipeline() should route all the tar/zip files to the curdler"

    # Given that I have the install command
    index = Index('')
    index.storage = {}
    install = Install(conf={'index': index})

    # And I mock the curdler service end-point and start all the services
    install.curdler.queue = Mock(__name__=str('queue'))
    install.pipeline()

    # Feed the installer with the requirement
    install.finder.queue = Mock()
    install.feed('tests', requirement='curdling')

    # When I fire the download.finished() signal with proper data
    install.downloader.emit('finished',
        'downloader',
        requirement='curdling',
        tarball='curdling-0.1.tar.gz')

    # Than I see that the curdler received a request
    install.curdler.queue.assert_called_once_with(
        'downloader',
        requirement='curdling',
        tarball='curdling-0.1.tar.gz')

def test_retrieve_and_build():
    "Install#retrieve_and_build() "

    # Given that I have an installer with a working index
    index = Index(FIXTURE('tmp'))
    installer = Install(**{
        'conf': {
            'index': index,
            'pypi_urls': ['http://localhost:8000/simple']
        },
    })
    installer.pipeline()

    # And I feed the installer with a requirement
    installer.feed('tests', requirement='gherkin')

    # And start the installer
    installer.start()

    # When I run the retrieve and build loop
    packages = installer.retrieve_and_build()

    # Than I see that the package was retrieved
    packages.should.equal(set(['gherkin']))

    # And I clean the mess
    index.delete()

def test_install_feed_when_theres_a_wheel_cached():
    "Install#feed() Should route the requirements that already have a wheel to the dependencer"

    # Given that I have a loaded local cache
    index = Index('')
    index.storage = {'gherkin': {'0.1.0': ['storage1/gherkin-0.1.0-py27-none-any.whl']}}

    # And that I have an environment associated with that local cache
    env = Install(conf={'index': index})
    env.pipeline()
    env.downloader.queue = Mock()
    env.dependencer.queue = Mock()
    env.curdler.queue = Mock()

    # When I request an installation of a package
    env.feed('tests', requirement='gherkin==0.1.0')

    # # Then I see that, since the package was not installed, the locall cache
    # # was queried and returned the right entry
    # env.check_installed.assert_called_once_with('gherkin==0.1.0')

    # And I see that the install queue was populated
    env.dependencer.queue.assert_called_once_with(
        'tests',
        requirement='gherkin==0.1.0',
        wheel='storage1/gherkin-0.1.0-py27-none-any.whl',
    )

    # And that the download queue was not touched
    env.downloader.queue.called.should.be.false

def test_request_install_cached_wheels():
    "Request the installation of a cached package"

    # Given that I have a loaded local cache
    index = Index('')
    index.storage = {'gherkin': {'0.1.0': ['storage1/gherkin-0.1.0-py27-none-any.whl']}}

    # And that I have an environment associated with that local cache
    env = Env(conf={'index': index})
    env.check_installed = Mock(return_value=False)
    env.services['download'] = Mock()
    env.services['install'] = Mock()

    # When I request an installation of a package
    env.request_install('gherkin==0.1.0').should.be.false

    # Then I see that, since the package was not installed, the locall cache
    # was queried and returned the right entry
    env.check_installed.assert_called_once_with('gherkin==0.1.0')

    # And I see that the install queue was populated
    env.services['install'].queue.assert_called_once_with(
        'gherkin==0.1.0', 'main', path='storage1/gherkin-0.1.0-py27-none-any.whl')

    # And that the download queue was not touched
    env.services['download'].queue.called.should.be.false

def test_curd_package():
    "It should possible to convert regular packages to wheels"

    # Given that I have a storage containing a package
    index = Index(FIXTURE('storage1'))
    index.scan()

    # And a curdling using that index
    curdling = Curdler(**{'index': index})

    # When I request a curd to be created
    package = curdling.handle('main', {
        'tarball': index.get('gherkin==0.1.0;~whl'),
        'requirement': 'gherkin (0.1.0)',
    })

    # Then I see it's a wheel package.
    package['wheel'].should.match(
        FIXTURE('storage1/gherkin-0.1.0-py\d{2}-none-any.whl'))

    # And that it's present in the index
    package = index.get('gherkin==0.1.0;whl')

    # And that the file was created in the file system
    os.path.exists(package).should.be.true

    # And I delete the file
    os.unlink(package)

def test_index_get_corner_case_pkg_name():
    "It should be possible to search for packages that contain `_` in their name"

    # Given that I have an index loaded with a couple package references
    index = Index("")
    index.storage = {"python-gherkin": {"0.1.0": ["python_gherkin-0.1.0.tar.gz"]}}

    index.get("python-gherkin==0.1.0;~whl").should.equal("python_gherkin-0.1.0.tar.gz")

def test_index_scan_when_there_is_no_dir():
    "Index.scan() should not fail when the dir does not exist"

    # Given that I have an index that points to a directory that already
    # contains packages
    index = Index('I know this directory does not exist')

    # When I scan the directory, I see it does not fail
    index.scan()

def test_index_feed_backend():
    "It should be possible to save package paths granularly"

    # Given the following index
    index = Index('')

    # When I index a couple files
    index.index('http://localhost:800/p/gherkin-0.1.0-py27-none-any.whl')
    index.index('gherkin-0.1.0.tar.gz')
    index.index('Gherkin-0.1.5.tar.gz')  # I know, weird right?
    index.index('a/weird/dir/gherkin-0.2.0.tar.gz')
    index.index('package.name-0.1.0.tar.gz')

    # Then I see that the backend structure looks right
    dict(index.storage).should.equal({
        'gherkin': {
            '0.2.0': [
                'gherkin-0.2.0.tar.gz',
            ],
            '0.1.5': [
                'Gherkin-0.1.5.tar.gz',
            ],
            '0.1.0': [
                'gherkin-0.1.0-py27-none-any.whl',
                'gherkin-0.1.0.tar.gz',
            ],
        },
        'package.name': {
            '0.1.0': [
                'package.name-0.1.0.tar.gz',
            ]
        }
    })

def test_index_scan():
    "It should be possible to scan for already existing folders"

    # Given that I have an index that points to a folder that already contains
    # packages
    index = Index(FIXTURE('storage1'))

    # When I scan the directory
    index.scan()

    # Then I can look for packages
    index.get('gherkin==0.1.0').should.equal(
        FIXTURE('storage1/gherkin-0.1.0.tar.gz'),
    )

def test_index_ensure_path_for_existing_dirs(patched_os):
    "Test utility method Index.ensure_path() for existing directories"

    # We'll need that inside of ensure_path()
    patched_os.path.dirname = os.path.dirname

    # Given that I have an index
    index = Index('')

    # When I call ensure_path(resource) against a directory that exists to
    # exists, it *SHOULD NOT* try to create the directory
    patched_os.path.isdir.return_value = True
    index.ensure_path('path/to/my/resource')
    patched_os.makedirs.called.should.be.false

def test_index_get_corner_case_pkg_name():
    "It should be possible to search for packages that contain `_` in their name"

    # Given that I have an index loaded with a couple package references
    index = Index('')
    index.storage = {
        'python-gherkin': {
            '0.1.0': [
                'python_gherkin-0.1.0.tar.gz',
            ]
        }
     }

    index.get('python-gherkin==0.1.0;~whl').should.equal('python_gherkin-0.1.0.tar.gz')

def test_index_ensure_path(patched_os):
    "Test utility method Index.ensure_path()"

    # We'll need that inside of ensure_path()
    patched_os.path.dirname = os.path.dirname

    # Given that I have an index
    index = Index('')

    # When I call ensure_path(resource) against a directory that doesn't seem
    # to exist, it should try to create the directory for the resource
    patched_os.path.isdir.return_value = False
    index.ensure_path('path/to/my/resource')
    patched_os.makedirs.assert_called_once_with('path/to/my')

def test_install_package():
    "It should possible to install wheels"

    # Given that I have an installer configured with a loaded index
    index = Index(FIXTURE("storage2"))
    index.scan()
    installer = Installer(**{"index": index})

    # When I request a curd to be created
    installer.handle("main", {"requirement": "gherkin==0.1.0", "wheel": index.get("gherkin==0.1.0;whl")})

    # Then I see that the package was installed
    Database.check_installed("gherkin==0.1.0").should.be.true

    # And I uninstall the package
    Database.uninstall("gherkin==0.1.0")