From: Brian Warner Date: Tue, 26 Jun 2007 23:19:18 +0000 (-0700) Subject: runner.py: improve test coverage further: implement --quiet with StringIOs X-Git-Tag: allmydata-tahoe-0.4.0~26 X-Git-Url: https://git.rkrishnan.org/nxhtml.html?a=commitdiff_plain;h=912fc5a77e0144edafa4c4bc6d8e180fa9cbb053;p=tahoe-lafs%2Ftahoe-lafs.git runner.py: improve test coverage further: implement --quiet with StringIOs --- diff --git a/src/allmydata/scripts/runner.py b/src/allmydata/scripts/runner.py index b573dcc5..09b463b3 100644 --- a/src/allmydata/scripts/runner.py +++ b/src/allmydata/scripts/runner.py @@ -1,6 +1,7 @@ #! /usr/bin/env python import os, subprocess, sys, signal, time +from cStringIO import StringIO from twisted.python import usage from twisted.python.procutils import which @@ -104,17 +105,11 @@ class CreateClientOptions(NoDefaultBasedirMixin, usage.Options): optParameters = [ ["basedir", "C", None, "which directory to create the client in"], ] - optFlags = [ - ["quiet", "q", "operate silently"], - ] class CreateIntroducerOptions(NoDefaultBasedirMixin, usage.Options): optParameters = [ ["basedir", "C", None, "which directory to create the introducer in"], ] - optFlags = [ - ["quiet", "q", "operate silently"], - ] class DumpOptions(usage.Options): optParameters = [ @@ -180,6 +175,10 @@ c.setServiceParent(application) class Options(usage.Options): synopsis = "Usage: allmydata [command options]" + optFlags = [ + ["quiet", "q", "operate silently"], + ] + subCommands = [ ["create-client", None, CreateClientOptions, "Create a client node."], ["create-introducer", None, CreateIntroducerOptions, "Create a introducer node."], @@ -198,7 +197,7 @@ class Options(usage.Options): if not hasattr(self, 'subOptions'): raise usage.UsageError("must specify a command") -def runner(argv, run_by_human=True): +def runner(argv, run_by_human=True, stdout=sys.stdout, stderr=sys.stderr): config = Options() try: config.parseOptions(argv) @@ -214,45 +213,48 @@ def runner(argv, run_by_human=True): command = config.subCommand so = config.subOptions + if config['quiet']: + stdout = StringIO() + rc = 0 if command == "create-client": for basedir in so.basedirs: - rc = create_client(basedir, so) or rc + rc = create_client(basedir, so, stdout, stderr) or rc elif command == "create-introducer": for basedir in so.basedirs: - rc = create_introducer(basedir, so) or rc + rc = create_introducer(basedir, so, stdout, stderr) or rc elif command == "start": for basedir in so.basedirs: - rc = start(basedir, so) or rc + rc = start(basedir, so, stdout, stderr) or rc elif command == "stop": for basedir in so.basedirs: - rc = stop(basedir, so) or rc + rc = stop(basedir, so, stdout, stderr) or rc elif command == "restart": for basedir in so.basedirs: - rc = stop(basedir, so) or rc + rc = stop(basedir, so, stdout, stderr) or rc if rc: - print "not restarting" + print >>stderr, "not restarting" return rc for basedir in so.basedirs: - rc = start(basedir, so) or rc + rc = start(basedir, so, stdout, stderr) or rc elif command == "dump-uri-extension": - rc = dump_uri_extension(so) + rc = dump_uri_extension(so, stdout, stderr) elif command == "dump-root-dirnode": - rc = dump_root_dirnode(so.basedirs[0], so) + rc = dump_root_dirnode(so.basedirs[0], so, stdout, stderr) elif command == "dump-dirnode": - rc = dump_directory_node(so.basedirs[0], so) + rc = dump_directory_node(so.basedirs[0], so, stdout, stderr) return rc def run(): rc = runner(sys.argv[1:]) sys.exit(rc) -def create_client(basedir, config): +def create_client(basedir, config, out=sys.stdout, err=sys.stderr): if os.path.exists(basedir): if os.listdir(basedir): - print "The base directory already exists: %s" % basedir - print "To avoid clobbering anything, I am going to quit now" - print "Please use a different directory, or delete this one" + print >>err, "The base directory already exists: %s" % basedir + print >>err, "To avoid clobbering anything, I am going to quit now" + print >>err, "Please use a different directory, or delete this one" return -1 # we're willing to use an empty directory else: @@ -260,16 +262,15 @@ def create_client(basedir, config): f = open(os.path.join(basedir, "client.tac"), "w") f.write(client_tac) f.close() - if not config['quiet']: - print "client created in %s" % basedir - print " please copy introducer.furl and vdrive.furl into the directory" + print >>out, "client created in %s" % basedir + print >>out, " please copy introducer.furl and vdrive.furl into the directory" -def create_introducer(basedir, config): +def create_introducer(basedir, config, out=sys.stdout, err=sys.stderr): if os.path.exists(basedir): if os.listdir(basedir): - print "The base directory already exists: %s" % basedir - print "To avoid clobbering anything, I am going to quit now" - print "Please use a different directory, or delete this one" + print >>err, "The base directory already exists: %s" % basedir + print >>err, "To avoid clobbering anything, I am going to quit now" + print >>err, "Please use a different directory, or delete this one" return -1 # we're willing to use an empty directory else: @@ -277,11 +278,10 @@ def create_introducer(basedir, config): f = open(os.path.join(basedir, "introducer.tac"), "w") f.write(introducer_tac) f.close() - if not config['quiet']: - print "introducer created in %s" % basedir + print >>out, "introducer created in %s" % basedir -def start(basedir, config): - print "STARTING", basedir +def start(basedir, config, out=sys.stdout, err=sys.stderr): + print >>out, "STARTING", basedir if os.path.exists(os.path.join(basedir, "client.tac")): tac = "client.tac" type = "client" @@ -289,23 +289,23 @@ def start(basedir, config): tac = "introducer.tac" type = "introducer" else: - print "%s does not look like a node directory" % basedir + print >>err, "%s does not look like a node directory" % basedir if not os.path.isdir(basedir): - print " in fact, it doesn't look like a directory at all!" + print >>err, " in fact, it doesn't look like a directory at all!" sys.exit(1) rc = subprocess.call(["python", twistd, "-y", tac,], cwd=basedir) if rc == 0: - print "%s node probably started" % type + print >>out, "%s node probably started" % type return 0 else: - print "%s node probably not started" % type + print >>err, "%s node probably not started" % type return 1 -def stop(basedir, config): - print "STOPPING", basedir +def stop(basedir, config, out=sys.stdout, err=sys.stderr): + print >>out, "STOPPING", basedir pidfile = os.path.join(basedir, "twistd.pid") if not os.path.exists(pidfile): - print "%s does not look like a running node directory (no twistd.pid)" % basedir + print >>err, "%s does not look like a running node directory (no twistd.pid)" % basedir return 1 pid = open(pidfile, "r").read() pid = int(pid) @@ -318,14 +318,14 @@ def stop(basedir, config): try: os.kill(pid, 0) except OSError: - print "process %d is dead" % pid + print >>out, "process %d is dead" % pid return timer += 1 time.sleep(1) - print "never saw process go away" + print >>err, "never saw process go away" return 1 -def dump_uri_extension(config, output=sys.stdout): +def dump_uri_extension(config, out=sys.stdout, err=sys.stderr): from allmydata import uri filename = config['filename'] @@ -338,26 +338,26 @@ def dump_uri_extension(config, output=sys.stdout): "share_root_hash") for k in keys1: if k in unpacked: - print >>output, "%19s: %s" % (k, unpacked[k]) - print >>output + print >>out, "%19s: %s" % (k, unpacked[k]) + print >>out for k in keys2: if k in unpacked: - print >>output, "%19s: %s" % (k, unpacked[k]) - print >>output + print >>out, "%19s: %s" % (k, unpacked[k]) + print >>out for k in keys3: if k in unpacked: - print >>output, "%19s: %s" % (k, unpacked[k]) + print >>out, "%19s: %s" % (k, unpacked[k]) leftover = set(unpacked.keys()) - set(keys1 + keys2 + keys3) if leftover: - print >>output + print >>out for k in sorted(leftover): - print >>output, "%s: %s" % (k, unpacked[k]) + print >>out, "%s: %s" % (k, unpacked[k]) - print >>output + print >>out return 0 -def dump_root_dirnode(basedir, config, output=sys.stdout): +def dump_root_dirnode(basedir, config, out=sys.stdout, err=sys.stderr): from allmydata import uri root_dirnode_file = os.path.join(basedir, "vdrive", "root") @@ -365,14 +365,14 @@ def dump_root_dirnode(basedir, config, output=sys.stdout): f = open(root_dirnode_file, "rb") key = f.read() rooturi = uri.pack_dirnode_uri("fakeFURL", key) - print >>output, rooturi + print >>out, rooturi return 0 except EnvironmentError: - print >>output, "unable to read root dirnode file from %s" % \ + print >>out, "unable to read root dirnode file from %s" % \ root_dirnode_file return 1 -def dump_directory_node(basedir, config, f=sys.stdout): +def dump_directory_node(basedir, config, out=sys.stdout, err=sys.stderr): from allmydata import filetable, vdrive, uri from allmydata.util import hashutil, idlib dir_uri = config['uri'] @@ -386,43 +386,43 @@ def dump_directory_node(basedir, config, f=sys.stdout): filename = os.path.join(basedir, "vdrive", idlib.b2a(index)) - print >>f - print >>f, "dirnode uri: %s" % dir_uri - print >>f, "filename : %s" % filename - print >>f, "index : %s" % idlib.b2a(index) + print >>out + print >>out, "dirnode uri: %s" % dir_uri + print >>out, "filename : %s" % filename + print >>out, "index : %s" % idlib.b2a(index) if wk: - print >>f, "writekey : %s" % idlib.b2a(wk) - print >>f, "write_enabler: %s" % idlib.b2a(we) + print >>out, "writekey : %s" % idlib.b2a(wk) + print >>out, "write_enabler: %s" % idlib.b2a(we) else: - print >>f, "writekey : None" - print >>f, "write_enabler: None" - print >>f, "readkey : %s" % idlib.b2a(rk) + print >>out, "writekey : None" + print >>out, "write_enabler: None" + print >>out, "readkey : %s" % idlib.b2a(rk) - print >>f + print >>out vds = filetable.VirtualDriveServer(os.path.join(basedir, "vdrive"), False) data = vds._read_from_file(index) if we: if we != data[0]: - print >>f, "ERROR: write_enabler does not match" + print >>out, "ERROR: write_enabler does not match" for (H_key, E_key, E_write, E_read) in data[1]: if verbose: - print >>f, " H_key %s" % idlib.b2a(H_key) - print >>f, " E_key %s" % idlib.b2a(E_key) - print >>f, " E_write %s" % idlib.b2a(E_write) - print >>f, " E_read %s" % idlib.b2a(E_read) + print >>out, " H_key %s" % idlib.b2a(H_key) + print >>out, " E_key %s" % idlib.b2a(E_key) + print >>out, " E_write %s" % idlib.b2a(E_write) + print >>out, " E_read %s" % idlib.b2a(E_read) key = vdrive.decrypt(rk, E_key) - print >>f, " key %s" % key + print >>out, " key %s" % key if hashutil.dir_name_hash(rk, key) != H_key: - print >>f, " ERROR: H_key does not match" + print >>out, " ERROR: H_key does not match" if wk and E_write: if len(E_write) < 14: - print >>f, " ERROR: write data is short:", idlib.b2a(E_write) + print >>out, " ERROR: write data is short:", idlib.b2a(E_write) write = vdrive.decrypt(wk, E_write) - print >>f, " write: %s" % write + print >>out, " write: %s" % write read = vdrive.decrypt(rk, E_read) - print >>f, " read: %s" % read - print >>f + print >>out, " read: %s" % read + print >>out return 0 diff --git a/src/allmydata/test/test_runner.py b/src/allmydata/test/test_runner.py index 1255fd68..d42b1e22 100644 --- a/src/allmydata/test/test_runner.py +++ b/src/allmydata/test/test_runner.py @@ -16,13 +16,24 @@ class CreateNode(unittest.TestCase): def test_client(self): basedir = self.workdir("test_client") c1 = os.path.join(basedir, "c1") - argv = ["create-client", "--basedir", c1, "--quiet"] - runner.runner(argv) + argv = ["--quiet", "create-client", "--basedir", c1] + out,err = StringIO(), StringIO() + rc = runner.runner(argv, stdout=out, stderr=err) + self.failUnlessEqual(err.getvalue(), "") + self.failUnlessEqual(out.getvalue(), "") + self.failUnlessEqual(rc, 0) self.failUnless(os.path.exists(c1)) self.failUnless(os.path.exists(os.path.join(c1, "client.tac"))) + # creating the client a second time should throw an exception + out,err = StringIO(), StringIO() + rc = runner.runner(argv, stdout=out, stderr=err) + self.failIfEqual(rc, 0) + self.failUnlessEqual(out.getvalue(), "") + self.failUnless("The base directory already exists" in err.getvalue()) + c2 = os.path.join(basedir, "c2") - argv = ["create-client", "--quiet", c2] + argv = ["--quiet", "create-client", c2] runner.runner(argv) self.failUnless(os.path.exists(c2)) self.failUnless(os.path.exists(os.path.join(c2, "client.tac"))) @@ -40,13 +51,24 @@ class CreateNode(unittest.TestCase): def test_introducer(self): basedir = self.workdir("test_introducer") c1 = os.path.join(basedir, "c1") - argv = ["create-introducer", "--basedir", c1, "--quiet"] - runner.runner(argv) + argv = ["--quiet", "create-introducer", "--basedir", c1] + out,err = StringIO(), StringIO() + rc = runner.runner(argv, stdout=out, stderr=err) + self.failUnlessEqual(err.getvalue(), "") + self.failUnlessEqual(out.getvalue(), "") + self.failUnlessEqual(rc, 0) self.failUnless(os.path.exists(c1)) self.failUnless(os.path.exists(os.path.join(c1, "introducer.tac"))) + # creating the introducer a second time should throw an exception + out,err = StringIO(), StringIO() + rc = runner.runner(argv, stdout=out, stderr=err) + self.failIfEqual(rc, 0) + self.failUnlessEqual(out.getvalue(), "") + self.failUnless("The base directory already exists" in err.getvalue()) + c2 = os.path.join(basedir, "c2") - argv = ["create-introducer", "--quiet", c2] + argv = ["--quiet", "create-introducer", c2] runner.runner(argv) self.failUnless(os.path.exists(c2)) self.failUnless(os.path.exists(os.path.join(c2, "introducer.tac")))