def mutable_database(database):
"""For tests that need to modify the database instance."""
yield database
with database.write_transaction():
for spec in spack.store.db.query():
PackageBase.uninstall_by_spec(spec, force=True)
_populate(database)
def database(tmpdir_factory, mock_packages, config):
"""Creates a mock database with some packages installed note that
the ref count for dyninst here will be 3, as it's recycled
across each install.
"""
# save the real store
real_store = spack.store.store
# Make a fake install directory
install_path = tmpdir_factory.mktemp('install_for_database')
# Make fake store (database and install layout)
tmp_store = spack.store.Store(str(install_path))
spack.store.store = tmp_store
_populate(tmp_store.db)
yield tmp_store.db
with tmp_store.db.write_transaction():
for spec in tmp_store.db.query():
if spec.package.installed:
PackageBase.uninstall_by_spec(spec, force=True)
else:
tmp_store.db.remove(spec)
install_path.remove(rec=1)
spack.store.store = real_store
def mutable_database(database):
"""For tests that need to modify the database instance."""
yield database
with database.write_transaction():
for spec in spack.store.db.query():
PackageBase.uninstall_by_spec(spec, force=True)
_populate(database)
def database(tmpdir_factory, mock_packages, config):
"""Creates a mock database with some packages installed note that
the ref count for dyninst here will be 3, as it's recycled
across each install.
"""
# save the real store
real_store = spack.store.store
# Make a fake install directory
install_path = tmpdir_factory.mktemp('install_for_database')
# Make fake store (database and install layout)
tmp_store = spack.store.Store(str(install_path))
spack.store.store = tmp_store
_populate(tmp_store.db)
yield tmp_store.db
with tmp_store.db.write_transaction():
for spec in tmp_store.db.query():
if spec.package.installed:
PackageBase.uninstall_by_spec(spec, force=True)
else:
tmp_store.db.remove(spec)
install_path.remove(rec=1)
spack.store.store = real_store
def test_uninstall_by_spec_errors(mutable_database):
"""Test exceptional cases with the uninstall command."""
# Try to uninstall a spec that has not been installed
spec = Spec('dependent-install')
spec.concretize()
with pytest.raises(InstallError, match="is not installed"):
PackageBase.uninstall_by_spec(spec)
# Try an unforced uninstall of a spec with dependencies
rec = mutable_database.get_record('mpich')
with pytest.raises(PackageStillNeededError, match="Cannot uninstall"):
PackageBase.uninstall_by_spec(rec.spec)
