def test_writing_attachment_to_couchbase_server(params_from_base_test_setup, sg_conf_name):
"""
1. Start sync_gateway with sync function that rejects all writes:
function(doc, oldDoc) {
throw({forbidden:"No writes!"});
}
2. Create a doc with attachment
3. Use CBS sdk to see if attachment doc exists. Doc ID will look like _sync:att:sha1-Kq5sNclPz7QV2+lfQIuc6R7oRu0= (where the suffix is the digest)
4. Assert att doc does not exist
"""
cluster_config = params_from_base_test_setup["cluster_config"]
mode = params_from_base_test_setup["mode"]
sg_conf = sync_gateway_config_path_for_mode(sg_conf_name, mode)
cluster_helper = ClusterKeywords()
cluster_helper.reset_cluster(cluster_config, sg_conf)
topology = cluster_helper.get_cluster_topology(cluster_config)
cbs_url = topology["couchbase_servers"][0]
sg_url = topology["sync_gateways"][0]["public"]
sg_url_admin = topology["sync_gateways"][0]["admin"]
sg_db = "db"
bucket = "data-bucket"
log_info("Running 'test_writing_attachment_to_couchbase_server'")
log_info("Using cbs_url: {}".format(cbs_url))
log_info("Using sg_url: {}".format(sg_url))
log_info("Using sg_url_admin: {}".format(sg_url_admin))
log_info("Using sg_db: {}".format(sg_db))
log_info("Using bucket: {}".format(bucket))
sg_user_name = "sg_user"
sg_user_password = "******"
sg_user_channels = ["NBC"]
client = MobileRestClient()
client.create_user(url=sg_url_admin, db=sg_db, name=sg_user_name, password=sg_user_password, channels=sg_user_channels)
sg_user_session = client.create_session(url=sg_url_admin, db=sg_db, name=sg_user_name)
docs = client.add_docs(url=sg_url, db=sg_db, number=100, id_prefix=sg_db, channels=sg_user_channels, auth=sg_user_session)
assert len(docs) == 100
# Create doc with attachment and push to sync_gateway
doc_with_att = document.create_doc(doc_id="att_doc", content={"sample_key": "sample_val"}, attachment_name="sample_text.txt", channels=sg_user_channels)
client.add_doc(url=sg_url, db=sg_db, doc=doc_with_att, auth=sg_user_session)
server = CouchbaseServer(cbs_url)
# Assert that the attachment doc gets written to couchbase server
server_att_docs = server.get_server_docs_with_prefix(bucket=bucket, prefix="_sync:att:")
num_att_docs = len(server_att_docs)
assert num_att_docs == 1
