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 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 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 testDoAllCommand(self):
dir = VirtualDirectory()
inputs = [Artifact("input1", None), Artifact("input2", None)]
outputs = [Artifact("output1", None), Artifact("output2", None)]
mock_command1 = MockCommand("command1", inputs[:1], outputs[:1])
mock_command2 = MockCommand("command2", inputs[1:], outputs[1:])
command = DoAllCommand([mock_command1, mock_command2])
enumerator = MockArtifactEnumerator()
command.enumerate_artifacts(enumerator)
self.assertEquals([], enumerator.reads)
self.assertEquals(inputs, enumerator.inputs)
self.assertEquals(outputs, enumerator.outputs)
context = MockCommandContext(dir)
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals(
"Ran MockCommand command1\n"
"Ran MockCommand command2\n", log.getvalue())
mock_command2.fails = True
log = cStringIO.StringIO()
self.assertFalse(command.run(context, log))
self.assertEquals(
"Ran MockCommand command1\n"
"Ran MockCommand command2\n", log.getvalue())
mock_command1.fails = True
log = cStringIO.StringIO()
self.assertFalse(command.run(context, log))
self.assertEquals("Ran MockCommand command1\n", log.getvalue())
self.assertEquals("mock_command command1\n"
"mock_command command2\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))
def setUp(self): self.dir = VirtualDirectory() self.loader = Loader(self.dir)
def setUp(self):
self.dir = VirtualDirectory()
self.context = MockContext("mock.sebs", "src/mock.sebs")
self.rule = Rule(self.context)
self.console = make_console(cStringIO.StringIO()) # ignore output
def setUp(self):
self.virtual_dir = VirtualDirectory()
self.dir = MappedDirectory(
MappedDirectoryTest.MappingImpl("mapped_prefix", self.virtual_dir))
super(MappedDirectoryTest, self).setUp()
def setUp(self):
self.dir = VirtualDirectory()
super(VirtualDirectoryTest, self).setUp()
def setUp(self):
self.__action = Action(None, "dummy", "dummy")
self.__artifact = Artifact("filename", None)
self.__dir = VirtualDirectory()
def testConditionalCommandWithNoElse(self):
dir = VirtualDirectory()
inputs = [Artifact("input1", None), Artifact("input2", None)]
outputs = [Artifact("output1", None), Artifact("output2", None)]
condition = Artifact("condition", None)
mock_command1 = MockCommand("command1", inputs[:1], outputs[:1])
command = ConditionalCommand(condition, mock_command1)
enumerator = MockArtifactEnumerator()
command.enumerate_artifacts(enumerator)
self.assertEquals([condition], enumerator.reads)
self.assertEquals([], enumerator.inputs)
self.assertEquals([], enumerator.outputs)
enumerator = MockArtifactEnumerator({condition: "true"})
command.enumerate_artifacts(enumerator)
self.assertEquals([condition], enumerator.reads)
self.assertEquals(inputs[:1], enumerator.inputs)
self.assertEquals(outputs[:1], enumerator.outputs)
enumerator = MockArtifactEnumerator({condition: "false"})
command.enumerate_artifacts(enumerator)
self.assertEquals([condition], enumerator.reads)
self.assertEquals([], enumerator.inputs)
self.assertEquals([], enumerator.outputs)
enumerator = MockArtifactEnumerator({condition: "blah"})
command.enumerate_artifacts(enumerator)
self.assertEquals([condition], enumerator.reads)
self.assertEquals([], enumerator.inputs)
self.assertEquals([], enumerator.outputs)
context = MockCommandContext(dir)
dir.write("condition", "true")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("Ran MockCommand command1\n", log.getvalue())
mock_command1.fails = True
log = cStringIO.StringIO()
self.assertFalse(command.run(context, log))
self.assertEquals("Ran MockCommand command1\n", log.getvalue())
dir.write("condition", "false")
log = cStringIO.StringIO()
self.assertTrue(command.run(context, log))
self.assertEquals("", log.getvalue())
dir.write("condition", "blah")
log = cStringIO.StringIO()
self.assertFalse(command.run(context, log))
self.assertEquals(
"Condition artifact was not true or false: %s\n" % condition,
log.getvalue())
self.assertEquals("if condition {\n"
" mock_command command1\n"
"}\n", _print_command(command))