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import json
import logging
import os
import random
import re
import requests
import shutil
import socket
import time
import urllib3
import yaml
urllib3.disable_warnings()
def start_chunk_server(ctx):
daemon_start_on_port = globals()["daemon_start_on_port"]
srcdir = globals()["srcdir"]
logging.debug(f"Starting obnam-server")
for x in ["test.pem", "test.key"]:
shutil.copy(os.path.join(srcdir, x), x)
chunks = "chunks"
if not os.path.exists(chunks):
os.mkdir(chunks)
port = random.randint(2000, 30000)
ctx["config"] = config = {
"chunks": chunks,
"tls_key": "test.key",
"tls_cert": "test.pem",
"address": f"localhost:{port}",
}
server_binary = os.path.abspath(os.path.join(srcdir, "target", "debug", "obnam-server"))
filename = "config.yaml"
yaml.safe_dump(config, stream=open(filename, "w"))
logging.debug(f"Picked randomly port for obnam-server: {config['address']}")
ctx["server_url"] = f"https://{config['address']}"
daemon_start_on_port(
ctx,
name="obnam-server",
path=server_binary,
args=filename,
port=port,
)
def stop_chunk_server(ctx):
logging.debug("Stopping obnam-server")
daemon_stop = globals()["daemon_stop"]
daemon_stop(ctx, name="obnam-server")
def post_file(ctx, filename=None, path=None, header=None, json=None):
url = f"{ctx['server_url']}/chunks"
headers = {header: json}
data = open(filename, "rb").read()
_request(ctx, requests.post, url, headers=headers, data=data)
def get_chunk_via_var(ctx, var=None):
chunk_id = ctx["vars"][var]
get_chunk_by_id(ctx, chunk_id=chunk_id)
def get_chunk_by_id(ctx, chunk_id=None):
url = f"{ctx['server_url']}/chunks/{chunk_id}"
_request(ctx, requests.get, url)
def find_chunks_with_sha(ctx, sha=None):
url = f"{ctx['server_url']}/chunks?sha256={sha}"
_request(ctx, requests.get, url)
def delete_chunk_via_var(ctx, var=None):
chunk_id = ctx["vars"][var]
delete_chunk_by_id(ctx, chunk_id=chunk_id)
def delete_chunk_by_id(ctx, chunk_id=None):
url = f"{ctx['server_url']}/chunks/{chunk_id}"
_request(ctx, requests.delete, url)
def make_chunk_file_be_empty(ctx, chunk_id=None):
chunk_id = ctx["vars"][chunk_id]
chunks = ctx["config"]["chunks"]
for (dirname, _, _) in os.walk(chunks):
filename = os.path.join(dirname, chunk_id + ".data")
if os.path.exists(filename):
logging.debug(f"emptying chunk file {filename}")
open(filename, "w").close()
def status_code_is(ctx, status=None):
assert_eq = globals()["assert_eq"]
assert_eq(ctx["http.status"], int(status))
def header_is(ctx, header=None, value=None):
assert_eq = globals()["assert_eq"]
assert_eq(ctx["http.headers"][header], value)
def remember_json_field(ctx, field=None, var=None):
v = ctx.get("vars", {})
v[var] = ctx["http.json"][field]
ctx["vars"] = v
def body_matches_file(ctx, filename=None):
assert_eq = globals()["assert_eq"]
content = open(filename, "rb").read()
logging.debug(f"body_matches_file:")
logging.debug(f" filename: {filename}")
logging.debug(f" content: {content!r}")
logging.debug(f" body: {ctx['http.raw']!r}")
assert_eq(ctx["http.raw"], content)
def json_body_matches(ctx, wanted=None):
assert_eq = globals()["assert_eq"]
wanted = _expand_vars(ctx, wanted)
wanted = json.loads(wanted)
body = ctx["http.json"]
logging.debug(f"json_body_matches:")
logging.debug(f" wanted: {wanted!r} ({type(wanted)}")
logging.debug(f" body : {body!r} ({type(body)}")
for key in wanted:
assert_eq(body.get(key, "not.there"), wanted[key])
# Make an HTTP request.
def _request(ctx, method, url, headers=None, data=None):
r = method(url, headers=headers, data=data, verify=False)
ctx["http.status"] = r.status_code
ctx["http.headers"] = dict(r.headers)
try:
ctx["http.json"] = dict(r.json())
except ValueError:
ctx["http.json"] = None
ctx["http.raw"] = r.content
logging.debug("HTTP request:")
logging.debug(f" url: {url}")
logging.debug(f" header: {headers!r}")
logging.debug("HTTP response:")
logging.debug(f" status: {r.status_code}")
logging.debug(f" json: {ctx['http.json']!r}")
logging.debug(f" text: {r.content!r}")
if not r.ok:
daemon = ctx.declare("_daemon")
stderr = open(daemon["obnam-server"]["stderr"], "rb").read()
logging.debug(f" server stderr: {stderr!r}")
# Expand variables ("<foo>") in a string with values from ctx.
def _expand_vars(ctx, s):
v = ctx.get("vars")
if v is None:
return s
result = []
while True:
m = re.search(f"<(\\S+)>", s)
if not m:
result.append(s)
break
result.append(s[: m.start()])
value = v[m.group(1)]
result.append(value)
s = s[m.end() :]
return "".join(result)
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