diff options
Diffstat (limited to 'tests/unittests/test_handler')
| -rw-r--r-- | tests/unittests/test_handler/test_handler_ca_certs.py | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/tests/unittests/test_handler/test_handler_ca_certs.py b/tests/unittests/test_handler/test_handler_ca_certs.py new file mode 100644 index 00000000..21d2442f --- /dev/null +++ b/tests/unittests/test_handler/test_handler_ca_certs.py @@ -0,0 +1,182 @@ +from mocker import MockerTestCase + +from cloudinit.util import write_file, delete_dir_contents +from cloudinit.CloudConfig.cc_ca_certs import ( + handle, update_ca_certs, add_ca_certs, remove_default_ca_certs) +from logging import getLogger + + +class TestNoConfig(MockerTestCase): + def setUp(self): + super(TestNoConfig, self).setUp() + self.name = "ca-certs" + self.cloud_init = None + self.log = getLogger("TestNoConfig") + self.args = [] + + def test_no_config(self): + """ + Test that nothing is done if no ca-certs configuration is provided. + """ + config = {"unknown-key": "value"} + + self.mocker.replace(write_file, passthrough=False) + self.mocker.replace(update_ca_certs, passthrough=False) + self.mocker.replay() + + handle(self.name, config, self.cloud_init, self.log, self.args) + + +class TestConfig(MockerTestCase): + def setUp(self): + super(TestConfig, self).setUp() + self.name = "ca-certs" + self.cloud_init = None + self.log = getLogger("TestNoConfig") + self.args = [] + + # Mock out the functions that actually modify the system + self.mock_add = self.mocker.replace(add_ca_certs, passthrough=False) + self.mock_update = self.mocker.replace(update_ca_certs, + passthrough=False) + self.mock_remove = self.mocker.replace(remove_default_ca_certs, + passthrough=False) + # Order must be correct + self.mocker.order() + + def test_no_trusted_list(self): + """ + Test that no certificates are written if the 'trusted' key is not + present. + """ + config = {"ca-certs": {}} + + # No functions should be called + self.mock_update() + self.mocker.replay() + + handle(self.name, config, self.cloud_init, self.log, self.args) + + def test_empty_trusted_list(self): + """Test that no certificate are written if 'trusted' list is empty""" + config = {"ca-certs": {"trusted": []}} + + # No functions should be called + self.mock_update() + self.mocker.replay() + + handle(self.name, config, self.cloud_init, self.log, self.args) + + def test_single_trusted(self): + """Test that a single cert gets passed to add_ca_certs""" + config = {"ca-certs": {"trusted": ["CERT1"]}} + + self.mock_add(["CERT1"]) + self.mock_update() + self.mocker.replay() + + handle(self.name, config, self.cloud_init, self.log, self.args) + + def test_multiple_trusted(self): + """Test that multiple certs get passed to add_ca_certs""" + config = {"ca-certs": {"trusted": ["CERT1", "CERT2"]}} + + self.mock_add(["CERT1", "CERT2"]) + self.mock_update() + self.mocker.replay() + + handle(self.name, config, self.cloud_init, self.log, self.args) + + def test_remove_default_ca_certs(self): + """Test remove_defaults works as expected""" + config = {"ca-certs": {"remove-defaults": True}} + + self.mock_remove() + self.mock_update() + self.mocker.replay() + + handle(self.name, config, self.cloud_init, self.log, self.args) + + def test_no_remove_defaults_if_false(self): + """Test remove_defaults is not called when config value is False""" + config = {"ca-certs": {"remove-defaults": False}} + + self.mock_update() + self.mocker.replay() + + handle(self.name, config, self.cloud_init, self.log, self.args) + + def test_correct_order_for_remove_then_add(self): + """Test remove_defaults is not called when config value is False""" + config = {"ca-certs": {"remove-defaults": True, "trusted": ["CERT1"]}} + + self.mock_remove() + self.mock_add(["CERT1"]) + self.mock_update() + self.mocker.replay() + + handle(self.name, config, self.cloud_init, self.log, self.args) + + +class TestAddCaCerts(MockerTestCase): + def test_no_certs_in_list(self): + """Test that no certificate are written if not provided.""" + self.mocker.replace(write_file, passthrough=False) + self.mocker.replay() + + add_ca_certs([]) + + def test_single_cert(self): + """Test adding a single certificate to the trusted CAs""" + cert = "CERT1\nLINE2\nLINE3" + + mock_write = self.mocker.replace(write_file, passthrough=False) + mock_write("/usr/share/ca-certificates/cloud-init-ca-certs.crt", + cert, mode=0644) + mock_write("/etc/ca-certificates.conf", + "\ncloud-init-ca-certs.crt", omode="a") + self.mocker.replay() + + add_ca_certs([cert]) + + def test_multiple_certs(self): + """Test adding multiple certificates to the trusted CAs""" + certs = ["CERT1\nLINE2\nLINE3", "CERT2\nLINE2\nLINE3"] + expected_cert_file = "\n".join(certs) + + mock_write = self.mocker.replace(write_file, passthrough=False) + mock_write("/usr/share/ca-certificates/cloud-init-ca-certs.crt", + expected_cert_file, mode=0644) + mock_write("/etc/ca-certificates.conf", + "\ncloud-init-ca-certs.crt", omode="a") + self.mocker.replay() + + add_ca_certs(certs) + + +class TestUpdateCaCerts(MockerTestCase): + def test_commands(self): + mock_check_call = self.mocker.replace("subprocess.check_call", + passthrough=False) + mock_check_call(["update-ca-certificates"]) + self.mocker.replay() + + update_ca_certs() + + +class TestRemoveDefaultCaCerts(MockerTestCase): + def test_commands(self): + mock_delete_dir_contents = self.mocker.replace(delete_dir_contents, + passthrough=False) + mock_write = self.mocker.replace(write_file, passthrough=False) + mock_subp = self.mocker.replace("cloudinit.util.subp", + passthrough=False) + + mock_delete_dir_contents("/usr/share/ca-certificates/") + mock_delete_dir_contents("/etc/ssl/certs/") + mock_write("/etc/ca-certificates.conf", "", mode=0644) + mock_subp(('debconf-set-selections', '-'), + "ca-certificates ca-certificates/trust_new_crts select no") + self.mocker.replay() + + remove_default_ca_certs() |