def testEnvironmentCommand(self):
dir = VirtualDirectory()
bar = Artifact("env/BAR", None)
bar_set = Artifact("env/set/BAR", None)
output = Artifact("foo", None)
command = EnvironmentCommand(MockRuleContext(bar, bar_set), "BAR", output)
enumerator = MockArtifactEnumerator({bar_set: "false"})
command.enumerate_artifacts(enumerator)
self.assertEquals([bar_set], enumerator.reads)
self.assertEquals([], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
enumerator = MockArtifactEnumerator({bar_set: "true"})
command.enumerate_artifacts(enumerator)
self.assertEquals([bar_set], enumerator.reads)
self.assertEquals([bar], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
context = MockCommandContext(dir)
dir.write("env/set/BAR", "false")
log = cStringIO.StringIO()
self.assertFalse(command.run(context, log))
self.assertFalse(dir.exists("foo"))
self.assertEquals("Environment variable not set: BAR\n", log.getvalue())
dir.write("env/set/BAR", "true")
dir.write("env/BAR", "baz")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("baz", dir.read("foo"))
self.assertEquals("", log.getvalue())
self.assertEquals("echo $BAR > foo\n", _print_command(command))
def testEnvironmentCommandWithDefault(self):
bar = Artifact("env/BAR", None)
bar_set = Artifact("env/set/BAR", None)
default = Artifact("default", None)
output = Artifact("foo", None)
command = EnvironmentCommand(MockRuleContext(bar, bar_set), "BAR",
output, default)
enumerator = MockArtifactEnumerator({bar_set: "false"})
command.enumerate_artifacts(enumerator)
self.assertEquals([bar_set], enumerator.reads)
self.assertEquals([default], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
enumerator = MockArtifactEnumerator({bar_set: "true"})
command.enumerate_artifacts(enumerator)
self.assertEquals([bar_set], enumerator.reads)
self.assertEquals([bar], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
dir = VirtualDirectory()
dir.write("env/set/BAR", "true")
dir.write("env/BAR", "baz")
context = MockCommandContext(dir)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("baz", dir.read("foo"))
self.assertEquals("", log.getvalue())
dir = VirtualDirectory()
dir.write("env/set/BAR", "false")
dir.write("default", "qux")
context = MockCommandContext(dir)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("qux", dir.read("foo"))
self.assertEquals("", log.getvalue())
self.assertEquals("echo ${BAR:$(default)} > foo\n",
_print_command(command))
def testEnvironmentCommandWithDefault(self):
bar = Artifact("env/BAR", None)
bar_set = Artifact("env/set/BAR", None)
default = Artifact("default", None)
output = Artifact("foo", None)
command = EnvironmentCommand(MockRuleContext(bar, bar_set),
"BAR", output, default)
enumerator = MockArtifactEnumerator({bar_set: "false"})
command.enumerate_artifacts(enumerator)
self.assertEquals([bar_set], enumerator.reads)
self.assertEquals([default], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
enumerator = MockArtifactEnumerator({bar_set: "true"})
command.enumerate_artifacts(enumerator)
self.assertEquals([bar_set], enumerator.reads)
self.assertEquals([bar], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
dir = VirtualDirectory()
dir.write("env/set/BAR", "true")
dir.write("env/BAR", "baz")
context = MockCommandContext(dir)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("baz", dir.read("foo"))
self.assertEquals("", log.getvalue())
dir = VirtualDirectory()
dir.write("env/set/BAR", "false")
dir.write("default", "qux")
context = MockCommandContext(dir)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("qux", dir.read("foo"))
self.assertEquals("", log.getvalue())
self.assertEquals("echo ${BAR:$(default)} > foo\n", _print_command(command))
def testEchoCommand(self):
dir = VirtualDirectory()
output = Artifact("foo", None)
command = EchoCommand("bar", output)
enumerator = MockArtifactEnumerator()
command.enumerate_artifacts(enumerator)
self.assertEquals([], enumerator.reads)
self.assertEquals([], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
context = MockCommandContext(dir)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("bar", dir.read("foo"))
self.assertEquals("", log.getvalue())
self.assertEquals("echo 'bar' > foo\n", _print_command(command))
def testEchoCommand(self):
dir = VirtualDirectory()
output = Artifact("foo", None)
command = EchoCommand("bar", output)
enumerator = MockArtifactEnumerator()
command.enumerate_artifacts(enumerator)
self.assertEquals([], enumerator.reads)
self.assertEquals([], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
context = MockCommandContext(dir)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("bar", dir.read("foo"))
self.assertEquals("", log.getvalue())
self.assertEquals("echo 'bar' > foo\n", _print_command(command))
def testEnvironmentCommand(self):
dir = VirtualDirectory()
bar = Artifact("env/BAR", None)
bar_set = Artifact("env/set/BAR", None)
output = Artifact("foo", None)
command = EnvironmentCommand(MockRuleContext(bar, bar_set), "BAR",
output)
enumerator = MockArtifactEnumerator({bar_set: "false"})
command.enumerate_artifacts(enumerator)
self.assertEquals([bar_set], enumerator.reads)
self.assertEquals([], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
enumerator = MockArtifactEnumerator({bar_set: "true"})
command.enumerate_artifacts(enumerator)
self.assertEquals([bar_set], enumerator.reads)
self.assertEquals([bar], enumerator.inputs)
self.assertEquals([output], enumerator.outputs)
context = MockCommandContext(dir)
dir.write("env/set/BAR", "false")
log = cStringIO.StringIO()
self.assertFalse(command.run(context, log))
self.assertFalse(dir.exists("foo"))
self.assertEquals("Environment variable not set: BAR\n",
log.getvalue())
dir.write("env/set/BAR", "true")
dir.write("env/BAR", "baz")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("baz", dir.read("foo"))
self.assertEquals("", log.getvalue())
self.assertEquals("echo $BAR > foo\n", _print_command(command))
class Configuration(object):
def __init__(self, output_path, all_configs=None):
# We want to make sure to construct only one copy of each config, even
# if configs refer to each other or multiple configs refer to a shared
# config. So, all_configs maps names to configs that we have already
# constructed.
if all_configs is None:
# Note that if we just make all_configs default to {} in the method
# signature, then Python will create a single empty map to use as the
# default value for all calls rather than create a new one every call.
# Since we modify all_configs during this method, we would be modifying
# the shared default value, which would be bad. If you don't understand
# what I mean, try typing the following into the interpreter and then
# calling it several times with no argument:
# def f(l = []):
# l.append("foo")
# return l
# Ouchies.
all_configs = {}
if output_path is None:
all_configs[""] = self
else:
all_configs[output_path] = self
self.name = output_path
self.source_dir = DiskDirectory(".")
if output_path is None:
self.output_dir = self.source_dir
else:
self.source_dir.mkdir(output_path)
self.output_dir = DiskDirectory(output_path)
self.mem_dir = VirtualDirectory()
self.env_dir = VirtualDirectory()
_restore_pickle(self.mem_dir, self.output_dir, "mem.pickle")
_restore_pickle(self.env_dir, self.output_dir, "env.pickle")
self.alt_configs = {}
self.__make_root_dir()
self.alt_configs["host"] = self
if self.env_dir.exists("$mappings"):
mappings = self.env_dir.read("$mappings").split(":")
for mapping in mappings:
if mapping == "":
continue
alias, name = mapping.split("=", 1)
if name in all_configs:
self.alt_configs[alias] = all_configs[name]
else:
if name == "":
name = None
self.alt_configs[alias] = Configuration(name, all_configs)
def __make_root_dir(self):
self.mapping = _WorkingDirMapping(self.source_dir, self.output_dir,
self.mem_dir, self.env_dir,
self.alt_configs)
self.root_dir = MappedDirectory(self.mapping)
def save(self):
if not self.mem_dir.empty():
_save_pickle(self.mem_dir, self.root_dir, "mem.pickle")
if not self.env_dir.empty():
_save_pickle(self.env_dir, self.root_dir, "env.pickle")
def getenv(self, name):
if self.root_dir.read("env/set/" + name) == "true":
return self.root_dir.read("env/" + name)
else:
return None
def clean(self, expunge=False):
for dir in ["tmp", "bin", "lib", "share", "include", "mem", "env"]:
if self.root_dir.exists(dir):
shutil.rmtree(self.root_dir.get_disk_path(dir))
for file in ["mem.pickle", "env.pickle"]:
if self.root_dir.exists(file):
os.remove(self.root_dir.get_disk_path(file))
self.mem_dir = VirtualDirectory()
if expunge:
# Try to remove the output directory itself -- will fail if not empty.
outdir = self.root_dir.get_disk_path(".")
if outdir.endswith("/."):
# rmdir doesn't like a trailing "/.".
outdir = outdir[:-2]
try:
os.rmdir(outdir)
except os.error:
pass
else:
# Restore the parts of env.pickle that were set explicitly.
new_env_dir = VirtualDirectory()
if self.env_dir.exists("$mappings"):
new_env_dir.write("$mappings", self.env_dir.read("$mappings"))
if self.env_dir.exists("$config"):
locked_vars = self.env_dir.read("$config")
new_env_dir.write("$config", locked_vars)
for var in locked_vars.split(","):
if var != "":
new_env_dir.write(var, self.env_dir.read(var))
new_env_dir.write("set/" + var,
self.env_dir.read("set/" + var))
self.env_dir = new_env_dir
self.__make_root_dir()
def get_all_linked_configs(self):
result = set()
self.__get_all_linked_configs_recursive(result)
return result
def __get_all_linked_configs_recursive(self, result):
if self in result:
return
result.add(self)
for link in self.alt_configs.values():
link.__get_all_linked_configs_recursive(result)
class SubprocessCommandTest(unittest.TestCase):
def setUp(self):
self.__action = Action(None, "dummy", "dummy")
self.__artifact = Artifact("filename", None)
self.__dir = VirtualDirectory()
def testVerifyArgs(self):
action = self.__action
artifact = self.__artifact
self.assertRaises(TypeError, SubprocessCommand, action, [0])
self.assertRaises(TypeError, SubprocessCommand, action, [[0]])
self.assertRaises(TypeError, SubprocessCommand, action, [artifact, 0])
SubprocessCommand(action, ["foo"])
SubprocessCommand(action, [artifact])
SubprocessCommand(action, [artifact])
SubprocessCommand(action, [[artifact]])
SubprocessCommand(action, [[artifact]])
SubprocessCommand(action, [artifact.contents()])
def testEnumerateArtifacts(self):
action = self.__action
inputs = [ Artifact("input1", None), Artifact("input2", None) ]
outputs = [ Artifact("output1", action), Artifact("output2", action) ]
command = SubprocessCommand(action, ["foo", inputs[0], outputs[0]],
implicit = [inputs[1], outputs[1]])
enumerator = MockArtifactEnumerator()
command.enumerate_artifacts(enumerator)
self.assertEquals([], enumerator.reads)
self.assertEquals(set(inputs), set(enumerator.inputs))
self.assertEquals(set(outputs), set(enumerator.outputs))
stdout = Artifact("stdout", None)
stderr = Artifact("stderr", None)
exit_code = Artifact("error_code", None)
command = SubprocessCommand(action, inputs + outputs,
capture_stdout = stdout,
capture_stderr = stderr,
capture_exit_status = exit_code)
enumerator = MockArtifactEnumerator()
command.enumerate_artifacts(enumerator)
self.assertEquals([], enumerator.reads)
self.assertEquals(set(inputs), set(enumerator.inputs))
self.assertEquals(set(outputs + [stdout, stderr, exit_code]),
set(enumerator.outputs))
def testFormatArgs(self):
artifact = self.__artifact
self.__dir.write(self.__artifact.filename, "content")
self.assertFormattedAs(["foo"], ["foo"])
self.assertFormattedAs([artifact], ["disk/filename"], "filename")
self.assertFormattedAs([artifact.contents()],
["content"], "$(filename)")
self.assertFormattedAs([["foo"]], ["foo"])
self.assertFormattedAs([[artifact]], ["disk/filename"], "filename")
self.assertFormattedAs([[artifact.contents()]],
["content"], "$(filename)")
self.assertFormattedAs(["foo", ["bar", ["baz", "qux"], "corge"], "grault"],
["foo", "barbazquxcorge", "grault"])
self.assertFormattedAs(["(", artifact, ")"],
["(", "disk/filename", ")"],
"( filename )")
self.assertFormattedAs([["(", artifact, ")"]],
["(disk/filename)"],
"(filename)")
self.__dir.write(self.__artifact.filename, "content with\nspaces")
self.assertFormattedAs(["(", artifact.contents(), ")"],
["(", "content", "with", "spaces", ")"],
"( $(filename) )")
self.assertFormattedAs([["(", artifact.contents(), ")"]],
["(content with\nspaces)"],
"($(filename))")
self.assertFormattedAs(["(", SubprocessCommand.Quoted(["foo bar", "baz"]),
")"],
["(", "'foo bar' baz", ")"])
self.assertFormattedAs([SubprocessCommand.Quoted(["'hello'"])],
["\"'hello'\""])
self.assertFormattedAs([SubprocessCommand.Quoted(["(", artifact, ")"])],
["'(' disk/filename ')'"],
"'(' filename ')'")
def assertFormattedAs(self, args, result, printed = None):
context = MockCommandContext(self.__dir, diskpath_prefix = "disk/")
command = SubprocessCommand(self.__action, list(args))
self.assertTrue(command.run(context, cStringIO.StringIO()))
self.assertEquals(result, context.subprocess_args)
if printed is None:
printed = " ".join(result)
self.assertEquals(printed + "\n", _print_command(command))
def testRedirectStreams(self):
# No redirection.
command = SubprocessCommand(self.__action, ["foo"])
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "some text", None)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(context.subprocess_kwargs["stderr"] is subprocess.STDOUT)
self.assertEquals("some text", log.getvalue())
self.assertEquals("foo\n", _print_command(command))
# Redirect stdout.
command = SubprocessCommand(self.__action, ["foo"],
capture_stdout = self.__artifact)
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "some text", "error text")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(context.subprocess_kwargs["stderr"] is subprocess.PIPE)
self.assertEquals("some text", self.__dir.read("filename"))
self.assertEquals("error text", log.getvalue())
self.assertEquals("foo > filename\n", _print_command(command))
# Redirect stderr.
command = SubprocessCommand(self.__action, ["foo"],
capture_stderr = self.__artifact)
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "some text", "error text")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
# TODO(kenton): Uncomment when bug with writing to log is solved.
#self.assertTrue(context.subprocess_kwargs["stdout"] is log)
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(context.subprocess_kwargs["stderr"] is subprocess.PIPE)
self.assertEquals("some text", log.getvalue())
self.assertEquals("error text", self.__dir.read("filename"))
self.assertEquals("foo 2> filename\n", _print_command(command))
# Redirect both.
command = SubprocessCommand(self.__action, ["foo"],
capture_stdout = self.__artifact,
capture_stderr = Artifact("file2", None))
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "output", "error")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(context.subprocess_kwargs["stderr"] is subprocess.PIPE)
self.assertEquals("output", self.__dir.read("filename"))
self.assertEquals("error", self.__dir.read("file2"))
self.assertEquals("foo > filename 2> file2\n", _print_command(command))
# Redirect both to same destination.
command = SubprocessCommand(self.__action, ["foo"],
capture_stdout = self.__artifact,
capture_stderr = self.__artifact)
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "combined text", None)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(context.subprocess_kwargs["stderr"] is subprocess.STDOUT)
self.assertEquals("combined text", self.__dir.read("filename"))
self.assertEquals("foo > filename 2>&1\n", _print_command(command))
def testExitStatus(self):
command = SubprocessCommand(self.__action, ["foo"])
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "", None)
self.assertTrue(command.run(context, cStringIO.StringIO()))
context = MockCommandContext(self.__dir)
context.subprocess_result = (1, "", None)
self.assertFalse(command.run(context, cStringIO.StringIO()))
context = MockCommandContext(self.__dir)
context.subprocess_result = (-1, "", None)
self.assertFalse(command.run(context, cStringIO.StringIO()))
# Redirect exit status.
command = SubprocessCommand(self.__action, ["foo"],
capture_exit_status = self.__artifact)
self.assertEquals("foo && echo true > filename || echo false > filename\n",
_print_command(command))
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "", None)
self.assertTrue(command.run(context, cStringIO.StringIO()))
self.assertEquals("true", self.__dir.read("filename"))
context = MockCommandContext(self.__dir)
context.subprocess_result = (1, "", None)
self.assertTrue(command.run(context, cStringIO.StringIO()))
self.assertEquals("false", self.__dir.read("filename"))
class Configuration(object):
def __init__(self, output_path, all_configs = None):
# We want to make sure to construct only one copy of each config, even
# if configs refer to each other or multiple configs refer to a shared
# config. So, all_configs maps names to configs that we have already
# constructed.
if all_configs is None:
# Note that if we just make all_configs default to {} in the method
# signature, then Python will create a single empty map to use as the
# default value for all calls rather than create a new one every call.
# Since we modify all_configs during this method, we would be modifying
# the shared default value, which would be bad. If you don't understand
# what I mean, try typing the following into the interpreter and then
# calling it several times with no argument:
# def f(l = []):
# l.append("foo")
# return l
# Ouchies.
all_configs = {}
if output_path is None:
all_configs[""] = self
else:
all_configs[output_path] = self
self.name = output_path
self.source_dir = DiskDirectory(".")
if output_path is None:
self.output_dir = self.source_dir
else:
self.source_dir.mkdir(output_path)
self.output_dir = DiskDirectory(output_path)
self.mem_dir = VirtualDirectory()
self.env_dir = VirtualDirectory()
_restore_pickle(self.mem_dir, self.output_dir, "mem.pickle")
_restore_pickle(self.env_dir, self.output_dir, "env.pickle")
self.alt_configs = {}
self.__make_root_dir()
self.alt_configs["host"] = self
if self.env_dir.exists("$mappings"):
mappings = self.env_dir.read("$mappings").split(":")
for mapping in mappings:
if mapping == "":
continue
alias, name = mapping.split("=", 1)
if name in all_configs:
self.alt_configs[alias] = all_configs[name]
else:
if name == "":
name = None
self.alt_configs[alias] = Configuration(name, all_configs)
def __make_root_dir(self):
self.mapping = _WorkingDirMapping(self.source_dir, self.output_dir,
self.mem_dir, self.env_dir,
self.alt_configs)
self.root_dir = MappedDirectory(self.mapping)
def save(self):
if not self.mem_dir.empty():
_save_pickle(self.mem_dir, self.root_dir, "mem.pickle")
if not self.env_dir.empty():
_save_pickle(self.env_dir, self.root_dir, "env.pickle")
def getenv(self, name):
if self.root_dir.read("env/set/" + name) == "true":
return self.root_dir.read("env/" + name)
else:
return None
def clean(self, expunge=False):
for dir in ["tmp", "bin", "lib", "share", "include", "mem", "env"]:
if self.root_dir.exists(dir):
shutil.rmtree(self.root_dir.get_disk_path(dir))
for file in [ "mem.pickle", "env.pickle" ]:
if self.root_dir.exists(file):
os.remove(self.root_dir.get_disk_path(file))
self.mem_dir = VirtualDirectory()
if expunge:
# Try to remove the output directory itself -- will fail if not empty.
outdir = self.root_dir.get_disk_path(".")
if outdir.endswith("/."):
# rmdir doesn't like a trailing "/.".
outdir = outdir[:-2]
try:
os.rmdir(outdir)
except os.error:
pass
else:
# Restore the parts of env.pickle that were set explicitly.
new_env_dir = VirtualDirectory()
if self.env_dir.exists("$mappings"):
new_env_dir.write("$mappings", self.env_dir.read("$mappings"))
if self.env_dir.exists("$config"):
locked_vars = self.env_dir.read("$config")
new_env_dir.write("$config", locked_vars)
for var in locked_vars.split(","):
if var != "":
new_env_dir.write(var, self.env_dir.read(var))
new_env_dir.write("set/" + var,
self.env_dir.read("set/" + var))
self.env_dir = new_env_dir
self.__make_root_dir()
def get_all_linked_configs(self):
result = set()
self.__get_all_linked_configs_recursive(result)
return result
def __get_all_linked_configs_recursive(self, result):
if self in result:
return
result.add(self)
for link in self.alt_configs.values():
link.__get_all_linked_configs_recursive(result)
class SubprocessCommandTest(unittest.TestCase):
def setUp(self):
self.__action = Action(None, "dummy", "dummy")
self.__artifact = Artifact("filename", None)
self.__dir = VirtualDirectory()
def testVerifyArgs(self):
action = self.__action
artifact = self.__artifact
self.assertRaises(TypeError, SubprocessCommand, action, [0])
self.assertRaises(TypeError, SubprocessCommand, action, [[0]])
self.assertRaises(TypeError, SubprocessCommand, action, [artifact, 0])
SubprocessCommand(action, ["foo"])
SubprocessCommand(action, [artifact])
SubprocessCommand(action, [artifact])
SubprocessCommand(action, [[artifact]])
SubprocessCommand(action, [[artifact]])
SubprocessCommand(action, [artifact.contents()])
def testEnumerateArtifacts(self):
action = self.__action
inputs = [Artifact("input1", None), Artifact("input2", None)]
outputs = [Artifact("output1", action), Artifact("output2", action)]
command = SubprocessCommand(action, ["foo", inputs[0], outputs[0]],
implicit=[inputs[1], outputs[1]])
enumerator = MockArtifactEnumerator()
command.enumerate_artifacts(enumerator)
self.assertEquals([], enumerator.reads)
self.assertEquals(set(inputs), set(enumerator.inputs))
self.assertEquals(set(outputs), set(enumerator.outputs))
stdout = Artifact("stdout", None)
stderr = Artifact("stderr", None)
exit_code = Artifact("error_code", None)
command = SubprocessCommand(action,
inputs + outputs,
capture_stdout=stdout,
capture_stderr=stderr,
capture_exit_status=exit_code)
enumerator = MockArtifactEnumerator()
command.enumerate_artifacts(enumerator)
self.assertEquals([], enumerator.reads)
self.assertEquals(set(inputs), set(enumerator.inputs))
self.assertEquals(set(outputs + [stdout, stderr, exit_code]),
set(enumerator.outputs))
def testFormatArgs(self):
artifact = self.__artifact
self.__dir.write(self.__artifact.filename, "content")
self.assertFormattedAs(["foo"], ["foo"])
self.assertFormattedAs([artifact], ["disk/filename"], "filename")
self.assertFormattedAs([artifact.contents()], ["content"],
"$(filename)")
self.assertFormattedAs([["foo"]], ["foo"])
self.assertFormattedAs([[artifact]], ["disk/filename"], "filename")
self.assertFormattedAs([[artifact.contents()]], ["content"],
"$(filename)")
self.assertFormattedAs(
["foo", ["bar", ["baz", "qux"], "corge"], "grault"],
["foo", "barbazquxcorge", "grault"])
self.assertFormattedAs(["(", artifact, ")"],
["(", "disk/filename", ")"], "( filename )")
self.assertFormattedAs([["(", artifact, ")"]], ["(disk/filename)"],
"(filename)")
self.__dir.write(self.__artifact.filename, "content with\nspaces")
self.assertFormattedAs(["(", artifact.contents(), ")"],
["(", "content", "with", "spaces", ")"],
"( $(filename) )")
self.assertFormattedAs([["(", artifact.contents(), ")"]],
["(content with\nspaces)"], "($(filename))")
self.assertFormattedAs(
["(", SubprocessCommand.Quoted(["foo bar", "baz"]), ")"],
["(", "'foo bar' baz", ")"])
self.assertFormattedAs([SubprocessCommand.Quoted(["'hello'"])],
["\"'hello'\""])
self.assertFormattedAs(
[SubprocessCommand.Quoted(["(", artifact, ")"])],
["'(' disk/filename ')'"], "'(' filename ')'")
def assertFormattedAs(self, args, result, printed=None):
context = MockCommandContext(self.__dir, diskpath_prefix="disk/")
command = SubprocessCommand(self.__action, list(args))
self.assertTrue(command.run(context, cStringIO.StringIO()))
self.assertEquals(result, context.subprocess_args)
if printed is None:
printed = " ".join(result)
self.assertEquals(printed + "\n", _print_command(command))
def testRedirectStreams(self):
# No redirection.
command = SubprocessCommand(self.__action, ["foo"])
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "some text", None)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(
context.subprocess_kwargs["stderr"] is subprocess.STDOUT)
self.assertEquals("some text", log.getvalue())
self.assertEquals("foo\n", _print_command(command))
# Redirect stdout.
command = SubprocessCommand(self.__action, ["foo"],
capture_stdout=self.__artifact)
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "some text", "error text")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(context.subprocess_kwargs["stderr"] is subprocess.PIPE)
self.assertEquals("some text", self.__dir.read("filename"))
self.assertEquals("error text", log.getvalue())
self.assertEquals("foo > filename\n", _print_command(command))
# Redirect stderr.
command = SubprocessCommand(self.__action, ["foo"],
capture_stderr=self.__artifact)
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "some text", "error text")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
# TODO(kenton): Uncomment when bug with writing to log is solved.
#self.assertTrue(context.subprocess_kwargs["stdout"] is log)
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(context.subprocess_kwargs["stderr"] is subprocess.PIPE)
self.assertEquals("some text", log.getvalue())
self.assertEquals("error text", self.__dir.read("filename"))
self.assertEquals("foo 2> filename\n", _print_command(command))
# Redirect both.
command = SubprocessCommand(self.__action, ["foo"],
capture_stdout=self.__artifact,
capture_stderr=Artifact("file2", None))
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "output", "error")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(context.subprocess_kwargs["stderr"] is subprocess.PIPE)
self.assertEquals("output", self.__dir.read("filename"))
self.assertEquals("error", self.__dir.read("file2"))
self.assertEquals("foo > filename 2> file2\n", _print_command(command))
# Redirect both to same destination.
command = SubprocessCommand(self.__action, ["foo"],
capture_stdout=self.__artifact,
capture_stderr=self.__artifact)
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "combined text", None)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertTrue(context.subprocess_kwargs["stdout"] is subprocess.PIPE)
self.assertTrue(
context.subprocess_kwargs["stderr"] is subprocess.STDOUT)
self.assertEquals("combined text", self.__dir.read("filename"))
self.assertEquals("foo > filename 2>&1\n", _print_command(command))
def testExitStatus(self):
command = SubprocessCommand(self.__action, ["foo"])
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "", None)
self.assertTrue(command.run(context, cStringIO.StringIO()))
context = MockCommandContext(self.__dir)
context.subprocess_result = (1, "", None)
self.assertFalse(command.run(context, cStringIO.StringIO()))
context = MockCommandContext(self.__dir)
context.subprocess_result = (-1, "", None)
self.assertFalse(command.run(context, cStringIO.StringIO()))
# Redirect exit status.
command = SubprocessCommand(self.__action, ["foo"],
capture_exit_status=self.__artifact)
self.assertEquals(
"foo && echo true > filename || echo false > filename\n",
_print_command(command))
context = MockCommandContext(self.__dir)
context.subprocess_result = (0, "", None)
self.assertTrue(command.run(context, cStringIO.StringIO()))
self.assertEquals("true", self.__dir.read("filename"))
context = MockCommandContext(self.__dir)
context.subprocess_result = (1, "", None)
self.assertTrue(command.run(context, cStringIO.StringIO()))
self.assertEquals("false", self.__dir.read("filename"))
