From: meejah Date: Thu, 8 Oct 2015 18:51:21 +0000 (-0600) Subject: smoketest for magic-folder functionality X-Git-Url: https://git.rkrishnan.org/%5B/%5D%20/uri/flags/(%5B%5E?a=commitdiff_plain;h=716d45dbdd534b31a8bc842c7364b5b2915126b2;p=tahoe-lafs%2Ftahoe-lafs.git smoketest for magic-folder functionality --- diff --git a/Makefile b/Makefile index 6df6bd6a..abda237a 100644 --- a/Makefile +++ b/Makefile @@ -83,6 +83,11 @@ _tmpfstest: make-version sudo umount '$(TMPDIR)' rmdir '$(TMPDIR)' +.PHONY: smoketest +smoketest: + -python ./src/allmydata/test/check_magicfolder_smoke.py kill + -rm -rf smoke_magicfolder/ + python ./src/allmydata/test/check_magicfolder_smoke.py # code coverage: install the "coverage" package from PyPI, do "make test-coverage" to # do a unit test run with coverage-gathering enabled, then use "make coverage-output" to diff --git a/src/allmydata/test/check_magicfolder_smoke.py b/src/allmydata/test/check_magicfolder_smoke.py new file mode 100644 index 00000000..52933bf9 --- /dev/null +++ b/src/allmydata/test/check_magicfolder_smoke.py @@ -0,0 +1,367 @@ +#!/usr/bin/env python + +# this is a smoke-test using "./bin/tahoe" to: +# +# 1. create an introducer +# 2. create 5 storage nodes +# 3. create 2 client nodes (alice, bob) +# 4. Alice creates a magic-folder ("magik:") +# 5. Alice invites Bob +# 6. Bob joins +# +# After that, some basic tests are performed; see the "if True:" +# blocks to turn some on or off. Could benefit from some cleanups +# etc. but this seems useful out of the gate for quick testing. +# +# TO RUN: +# from top-level of your checkout (we use "./bin/tahoe"): +# python src/allmydata/test/check_magicfolder_smoke.py +# +# This will create "./smoke_magicfolder" (which is disposable) and +# contains all the Tahoe basedirs for the introducer, storage nodes, +# clients, and the clients' magic-folders. NOTE that if these +# directories already exist they will NOT be re-created. So kill the +# grid and then "rm -rf smoke_magicfolder" if you want to re-run the +# tests cleanly. +# +# Run the script with a single arg, "kill" to run "tahoe stop" on all +# the nodes. +# +# This will have "tahoe start" -ed all the nodes, so you can continue +# to play around after the script exits. + +from __future__ import print_function + +import sys +import time +import shutil +import subprocess +from os.path import join, abspath, curdir, exists +from os import mkdir, listdir, unlink + +tahoe_base = abspath(curdir) +data_base = join(tahoe_base, 'smoke_magicfolder') +tahoe_bin = join(tahoe_base, 'bin', 'tahoe') + +if not exists(data_base): + print("Creating", data_base) + mkdir(data_base) + +if not exists(tahoe_bin): + raise RuntimeError("Can't find 'tahoe' binary at '{}'".format(tahoe_bin)) + +if 'kill' in sys.argv: + print("Killing the grid") + for d in listdir(data_base): + print("killing", d) + subprocess.call( + [ + tahoe_bin, 'stop', join(data_base, d), + ] + ) + sys.exit(0) + +if not exists(join(data_base, 'introducer')): + subprocess.check_call( + [ + tahoe_bin, 'create-introducer', join(data_base, 'introducer'), + ] + ) +with open(join(data_base, 'introducer', 'tahoe.cfg'), 'w') as f: + f.write(''' +[node] +nickname = introducer0 +web.port = 4560 +''') + +subprocess.check_call( + [ + tahoe_bin, 'start', join(data_base, 'introducer'), + ] +) + +furl_fname = join(data_base, 'introducer', 'private', 'introducer.furl') +while not exists(furl_fname): + time.sleep(1) +furl = open(furl_fname, 'r').read() +print("FURL", furl) + +for x in range(5): + data_dir = join(data_base, 'node%d' % x) + if not exists(data_dir): + subprocess.check_call( + [ + tahoe_bin, 'create-node', + '--nickname', 'node{}'.format(x), + '--introducer', furl, + data_dir, + ] + ) + with open(join(data_dir, 'tahoe.cfg'), 'w') as f: + f.write(''' +[node] +nickname = node{node_id} +web.port = +web.static = public_html +tub.location = localhost:{tub_port} + +[client] +# Which services should this client connect to? +introducer.furl = {furl} +shares.needed = 2 +shares.happy = 3 +shares.total = 4 +'''.format(node_id=x, furl=furl, tub_port=(9900 + x))) + subprocess.check_call( + [ + tahoe_bin, 'start', data_dir, + ] + ) + + + +# alice and bob clients +do_invites = False +node_id = 0 +for name in ['alice', 'bob']: + data_dir = join(data_base, name) + magic_dir = join(data_base, '{}-magic'.format(name)) + mkdir(magic_dir) + if not exists(data_dir): + do_invites = True + subprocess.check_call( + [ + tahoe_bin, 'create-node', + '--no-storage', + '--nickname', name, + '--introducer', furl, + data_dir, + ] + ) + with open(join(data_dir, 'tahoe.cfg'), 'w') as f: + f.write(''' +[node] +nickname = {name} +web.port = tcp:998{node_id}:interface=localhost +web.static = public_html + +[client] +# Which services should this client connect to? +introducer.furl = {furl} +shares.needed = 2 +shares.happy = 3 +shares.total = 4 +'''.format(name=name, node_id=node_id, furl=furl, magic_dir=magic_dir)) + subprocess.check_call( + [ + tahoe_bin, 'start', data_dir, + ] + ) + node_id += 1 + +# okay, now we have alice + bob (alice, bob) +# now we have alice create a magic-folder, and invite bob to it + +if do_invites: + data_dir = join(data_base, 'alice') + # alice creates her folder, invites bob + print("Alice creates a magic-folder") + subprocess.check_call( + [ + tahoe_bin, 'magic-folder', 'create', '--basedir', data_dir, 'magik:', 'alice', + join(data_base, 'alice-magic'), + ] + ) + print("Alice invites Bob") + invite = subprocess.check_output( + [ + tahoe_bin, 'magic-folder', 'invite', '--basedir', data_dir, 'magik:', 'bob', + ] + ) + print(" invite:", invite) + + # now we let "bob"/bob join + print("Bob joins Alice's magic folder") + data_dir = join(data_base, 'bob') + subprocess.check_call( + [ + tahoe_bin, 'magic-folder', 'join', '--basedir', data_dir, invite, + join(data_base, 'bob-magic'), + ] + ) + print("Bob has joined.") + + print("Restarting alice + bob clients") + subprocess.check_call( + [ + tahoe_bin, 'restart', '--basedir', join(data_base, 'alice'), + ] + ) + subprocess.check_call( + [ + tahoe_bin, 'restart', '--basedir', join(data_base, 'bob'), + ] + ) + +if True: + for name in ['alice', 'bob']: + with open(join(data_base, name, 'private', 'magic_folder_dircap'), 'r') as f: + print("dircap {}: {}".format(name, f.read().strip())) + +# give storage nodes a chance to connect properly? I'm not entirely +# sure what's up here, but I get "UnrecoverableFileError" on the +# first_file upload from Alice "very often" otherwise +print("waiting 3 seconds") +time.sleep(3) + +if True: + # alice writes a file; bob should get it + alice_foo = join(data_base, 'alice-magic', 'first_file') + bob_foo = join(data_base, 'bob-magic', 'first_file') + with open(alice_foo, 'w') as f: + f.write("line one\n") + + print("Waiting for:", bob_foo) + while True: + if exists(bob_foo): + print(" found", bob_foo) + with open(bob_foo, 'r') as f: + if f.read() == "line one\n": + break + print(" file contents still mismatched") + time.sleep(1) + +if True: + # bob writes a file; alice should get it + alice_bar = join(data_base, 'alice-magic', 'second_file') + bob_bar = join(data_base, 'bob-magic', 'second_file') + with open(bob_bar, 'w') as f: + f.write("line one\n") + + print("Waiting for:", alice_bar) + while True: + if exists(bob_bar): + print(" found", bob_bar) + with open(bob_bar, 'r') as f: + if f.read() == "line one\n": + break + print(" file contents still mismatched") + time.sleep(1) + +if True: + # alice deletes 'first_file' + alice_foo = join(data_base, 'alice-magic', 'first_file') + bob_foo = join(data_base, 'bob-magic', 'first_file') + unlink(alice_foo) + + print("Waiting for '%s' to disappear" % (bob_foo,)) + while True: + if not exists(bob_foo): + print(" disappeared", bob_foo) + break + time.sleep(1) + + # XXX this doesn't work; shouldn't a .tmp file appear on bob's side? + bob_tmp = bob_foo + '.tmp' + print("Waiting for '%s' to appear" % (bob_tmp,)) + while True: + if exists(bob_tmp): + print(" appeared", bob_tmp) + break + time.sleep(1) + +if True: + # bob writes new content to 'second_file'; alice should get it + # get it. + alice_foo = join(data_base, 'alice-magic', 'second_file') + bob_foo = join(data_base, 'bob-magic', 'second_file') + gold_content = "line one\nsecond line\n" + + with open(bob_foo, 'w') as f: + f.write(gold_content) + + print("Waiting for:", alice_foo) + while True: + if exists(alice_foo): + print(" found", alice_foo) + with open(alice_foo, 'r') as f: + content = f.read() + if content == gold_content: + break + print(" file contents still mismatched:\n") + print(content) + time.sleep(1) + +if True: + # bob creates a sub-directory and adds a file to it + alice_dir = join(data_base, 'alice-magic', 'subdir') + bob_dir = join(data_base, 'alice-magic', 'subdir') + gold_content = 'a file in a subdirectory\n' + + mkdir(bob_dir) + with open(join(bob_dir, 'subfile'), 'w') as f: + f.write(gold_content) + + print("Waiting for Bob's subdir '%s' to appear" % (bob_dir,)) + while True: + if exists(bob_dir): + print(" found subdir") + if exists(join(bob_dir, 'subfile')): + print(" found file") + with open(join(bob_dir, 'subfile'), 'r') as f: + if f.read() == gold_content: + print(" contents match") + break + time.sleep(0.1) + +if True: + # bob deletes the whole subdir + alice_dir = join(data_base, 'alice-magic', 'subdir') + bob_dir = join(data_base, 'alice-magic', 'subdir') + shutil.rmtree(bob_dir) + + print("Waiting for Alice's subdir '%s' to disappear" % (alice_dir,)) + while True: + if not exists(alice_dir): + print(" it's gone") + break + time.sleep(0.1) + +# XXX restore the file not working (but, unit-tests work; what's wrong with them?) +# NOTE: only not-works if it's alice restoring the file! +if True: + # restore 'first_file' but with different contents + print("re-writing 'first_file'") + assert not exists(join(data_base, 'bob-magic', 'first_file')) + assert not exists(join(data_base, 'alice-magic', 'first_file')) + alice_foo = join(data_base, 'alice-magic', 'first_file') + bob_foo = join(data_base, 'bob-magic', 'first_file') + if True: + # if we don't swap around, it works fine + alice_foo, bob_foo = bob_foo, alice_foo + gold_content = "see it again for the first time\n" + + with open(bob_foo, 'w') as f: + f.write(gold_content) + + print("Waiting for:", alice_foo) + while True: + if exists(alice_foo): + print(" found", alice_foo) + with open(alice_foo, 'r') as f: + content = f.read() + if content == gold_content: + break + print(" file contents still mismatched: %d bytes:\n" % (len(content),)) + print(content) + else: + print(" {} not there yet".format(alice_foo)) + time.sleep(1) + +# XXX test .backup (delete a file) + +# port david's clock.advance stuff +# fix clock.advance() +# subdirectory +# file deletes +# conflicts