def assert_resolved(specs: Iterable[str], expected: set[str]) -> None:
specs_obj = SpecsParser().parse_specs(
specs,
convert_dir_literal_to_address_literal=False,
description_of_origin="tests")
result = rule_runner.request(Addresses, [specs_obj])
assert {addr.spec for addr in result} == expected
def run_goal_rule(
self,
goal: Type[Goal],
*,
global_args: Optional[Iterable[str]] = None,
args: Optional[Iterable[str]] = None,
env: Optional[Mapping[str, str]] = None,
) -> GoalRuleResult:
options_bootstrapper = create_options_bootstrapper(
args=(*(global_args or []), goal.name, *(args or [])),
env=env,
)
raw_specs = options_bootstrapper.get_full_options(
[*GlobalOptions.known_scope_infos(), *goal.subsystem_cls.known_scope_infos()]
).specs
specs = SpecsParser(self.build_root).parse_specs(raw_specs)
stdout, stderr = StringIO(), StringIO()
console = Console(stdout=stdout, stderr=stderr)
exit_code = self.scheduler.run_goal_rule(
goal,
Params(
specs,
console,
options_bootstrapper,
Workspace(self.scheduler),
InteractiveRunner(self.scheduler),
),
)
console.flush()
return GoalRuleResult(exit_code, stdout.getvalue(), stderr.getvalue())
def run_goal_rule(
self,
goal: type[Goal],
*,
global_args: Iterable[str] | None = None,
args: Iterable[str] | None = None,
env: Mapping[str, str] | None = None,
env_inherit: set[str] | None = None,
) -> GoalRuleResult:
merged_args = (*(global_args or []), goal.name, *(args or []))
self.set_options(merged_args, env=env, env_inherit=env_inherit)
raw_specs = self.options_bootstrapper.full_options_for_scopes([
GlobalOptions.get_scope_info(),
goal.subsystem_cls.get_scope_info()
]).specs
specs = SpecsParser(self.build_root).parse_specs(raw_specs)
stdout, stderr = StringIO(), StringIO()
console = Console(stdout=stdout,
stderr=stderr,
use_colors=False,
session=self.scheduler)
exit_code = self.scheduler.run_goal_rule(
goal,
Params(
specs,
console,
Workspace(self.scheduler),
),
)
console.flush()
return GoalRuleResult(exit_code, stdout.getvalue(), stderr.getvalue())
def test_streaming_workunits_expanded_specs(run_tracker: RunTracker) -> None:
rule_runner = RuleRunner(
target_types=[PythonSourcesGeneratorTarget],
rules=[
QueryRule(ProcessResult, (Process, )),
],
)
rule_runner.set_options(["--backend-packages=pants.backend.python"])
rule_runner.write_files({
"src/python/somefiles/BUILD": "python_sources()",
"src/python/somefiles/a.py": "print('')",
"src/python/somefiles/b.py": "print('')",
"src/python/others/BUILD": "python_sources()",
"src/python/others/a.py": "print('')",
"src/python/others/b.py": "print('')",
})
specs = SpecsParser().parse_specs(
["src/python/somefiles::", "src/python/others/b.py"],
convert_dir_literal_to_address_literal=False,
description_of_origin="tests",
)
class Callback(WorkunitsCallback):
@property
def can_finish_async(self) -> bool:
return False
def __call__(self, **kwargs) -> None:
context = kwargs["context"]
assert isinstance(context, StreamingWorkunitContext)
expanded = context.get_expanded_specs()
targets = expanded.targets
assert len(targets.keys()) == 2
assert targets["src/python/others/b.py"] == [
TargetInfo(filename="src/python/others/b.py")
]
assert set(targets["src/python/somefiles"]) == {
TargetInfo(filename="src/python/somefiles/a.py"),
TargetInfo(filename="src/python/somefiles/b.py"),
}
handler = StreamingWorkunitHandler(
scheduler=rule_runner.scheduler,
run_tracker=run_tracker,
callbacks=[Callback()],
report_interval_seconds=0.01,
max_workunit_verbosity=LogLevel.INFO,
specs=specs,
options_bootstrapper=create_options_bootstrapper(
["--backend-packages=pants.backend.python"]),
allow_async_completion=False,
)
stdout_process = Process(argv=("/bin/bash", "-c",
"/bin/echo 'stdout output'"),
description="Stdout process")
with handler:
rule_runner.request(ProcessResult, [stdout_process])
def assert_paths(specs: Iterable[str], expected_files: set[str],
expected_dirs: set[str]) -> None:
specs_obj = SpecsParser().parse_specs(
specs,
convert_dir_literal_to_address_literal=False,
description_of_origin="tests")
result = rule_runner.request(SpecsPaths, [specs_obj])
assert set(result.files) == expected_files
assert set(result.dirs) == expected_dirs
def calculate_specs(
options_bootstrapper: OptionsBootstrapper,
options: Options,
session: SchedulerSession,
*,
build_root: Optional[str] = None,
) -> Specs:
"""Determine the specs for a given Pants run."""
build_root = build_root or get_buildroot()
specs = SpecsParser(build_root).parse_specs(options.specs)
changed_options = ChangedOptions.from_options(options.for_scope("changed"))
logger.debug("specs are: %s", specs)
logger.debug("changed_options are: %s", changed_options)
if specs.provided and changed_options.provided:
changed_name = "--changed-since" if changed_options.since else "--changed-diffspec"
if specs.filesystem_specs and specs.address_specs:
specs_description = "target and file arguments"
elif specs.filesystem_specs:
specs_description = "file arguments"
else:
specs_description = "target arguments"
raise InvalidSpecConstraint(
f"You used `{changed_name}` at the same time as using {specs_description}. Please "
"use only one.")
if not changed_options.provided:
return specs
git = get_git()
if not git:
raise InvalidSpecConstraint(
"The `--changed-*` options are only available if Git is used for the repository."
)
changed_request = ChangedRequest(
sources=tuple(changed_options.changed_files(git)),
dependees=changed_options.dependees,
)
(changed_addresses, ) = session.product_request(
ChangedAddresses, [Params(changed_request, options_bootstrapper)])
logger.debug("changed addresses: %s", changed_addresses)
address_specs = []
for address in cast(ChangedAddresses, changed_addresses):
address_input = AddressInput.parse(address.spec)
address_specs.append(
AddressLiteralSpec(
path_component=address_input.path_component,
# NB: AddressInput.target_component may be None, but AddressLiteralSpec expects a
# string.
target_component=address_input.target_component
or address.target_name,
))
return Specs(AddressSpecs(address_specs, filter_by_global_options=True),
FilesystemSpecs([]))
def test_streaming_workunits_expanded_specs(run_tracker: RunTracker) -> None:
rule_runner = RuleRunner(
target_types=[PythonLibrary],
rules=[
QueryRule(ProcessResult, (Process, )),
],
)
rule_runner.set_options(["--backend-packages=pants.backend.python"])
rule_runner.create_file("src/python/somefiles/BUILD", "python_library()")
rule_runner.create_file("src/python/somefiles/a.py", "print('')")
rule_runner.create_file("src/python/somefiles/b.py", "print('')")
rule_runner.create_file("src/python/others/BUILD", "python_library()")
rule_runner.create_file("src/python/others/a.py", "print('')")
rule_runner.create_file("src/python/others/b.py", "print('')")
specs = SpecsParser(get_buildroot()).parse_specs(
["src/python/somefiles::", "src/python/others/b.py"])
def callback(**kwargs) -> None:
context = kwargs["context"]
assert isinstance(context, StreamingWorkunitContext)
expanded = context.get_expanded_specs()
targets = expanded.targets
assert len(targets.keys()) == 2
assert targets["src/python/others/b.py"] == [
TargetInfo(filename="src/python/others/b.py")
]
assert set(targets["src/python/somefiles"]) == {
TargetInfo(filename="src/python/somefiles/a.py"),
TargetInfo(filename="src/python/somefiles/b.py"),
}
handler = StreamingWorkunitHandler(
scheduler=rule_runner.scheduler,
run_tracker=run_tracker,
callbacks=[callback],
report_interval_seconds=0.01,
max_workunit_verbosity=LogLevel.INFO,
specs=specs,
options_bootstrapper=create_options_bootstrapper(
["--backend-packages=pants.backend.python"]),
)
stdout_process = Process(argv=("/bin/bash", "-c",
"/bin/echo 'stdout output'"),
description="Stdout process")
with handler.session():
rule_runner.request(ProcessResult, [stdout_process])
def run(self, start_time: float) -> ExitCode:
spec_parser = SpecsParser(get_buildroot())
specs = [
str(spec_parser.parse_spec(spec)) for spec in self.options.specs
]
self.run_tracker.start(run_start_time=start_time, specs=specs)
with maybe_profiled(self.profile_path):
global_options = self.options.for_global_scope()
if self.options.help_request:
return self._print_help(self.options.help_request)
streaming_reporter = StreamingWorkunitHandler(
self.graph_session.scheduler_session,
run_tracker=self.run_tracker,
specs=self.specs,
options_bootstrapper=self.options_bootstrapper,
callbacks=self._get_workunits_callbacks(),
report_interval_seconds=global_options.
streaming_workunits_report_interval,
)
goals = tuple(self.options.goals)
with streaming_reporter.session():
if not goals:
return PANTS_SUCCEEDED_EXIT_CODE
engine_result = PANTS_FAILED_EXIT_CODE
try:
engine_result = self._perform_run(goals)
except Exception as e:
ExceptionSink.log_exception(e)
metrics = self.graph_session.scheduler_session.metrics()
self.run_tracker.set_pantsd_scheduler_metrics(metrics)
self.run_tracker.end_run(engine_result)
return engine_result
def execute_rule(
self,
*,
args: Optional[Iterable[str]] = None,
global_args: Optional[Iterable[str]] = None,
env: Optional[Dict[str, str]] = None,
exit_code: int = 0,
additional_params: Optional[Iterable[Any]] = None,
) -> GoalRuleResult:
"""Executes the @goal_rule for this test class.
Returns the return code, stdout, and stderr of the goal.
"""
# Create an OptionsBootstrapper for these args/env, and a captured Console instance.
options_bootstrapper = create_options_bootstrapper(
args=(*(global_args or []), self.goal_cls.name, *(args or [])),
env=env,
)
BuildConfigInitializer.get(options_bootstrapper)
full_options = options_bootstrapper.get_full_options([
*GlobalOptions.known_scope_infos(),
*self.goal_cls.subsystem_cls.known_scope_infos()
])
stdout, stderr = StringIO(), StringIO()
console = Console(stdout=stdout, stderr=stderr)
# Run for the specs parsed from the args.
specs = SpecsParser(self.build_root).parse_specs(full_options.specs)
params = Params(
specs,
console,
options_bootstrapper,
Workspace(self.scheduler),
*(additional_params or []),
)
actual_exit_code = self.scheduler.run_goal_rule(self.goal_cls, params)
# Flush and capture console output.
console.flush()
stdout_val = stdout.getvalue()
stderr_val = stderr.getvalue()
assert (
exit_code == actual_exit_code
), f"Exited with {actual_exit_code} (expected {exit_code}):\nstdout:\n{stdout_val}\nstderr:\n{stderr_val}"
return GoalRuleResult(actual_exit_code, stdout_val, stderr_val)
def run_goal_rule(
self,
goal: Type[Goal],
*,
global_args: Optional[Iterable[str]] = None,
args: Optional[Iterable[str]] = None,
env: Optional[Mapping[str, str]] = None,
) -> GoalRuleResult:
options_bootstrapper = create_options_bootstrapper(
args=(*(global_args or []), goal.name, *(args or [])),
env=env,
)
raw_specs = options_bootstrapper.get_full_options([
*GlobalOptions.known_scope_infos(),
*goal.subsystem_cls.known_scope_infos()
]).specs
specs = SpecsParser(self.build_root).parse_specs(raw_specs)
stdout, stderr = StringIO(), StringIO()
console = Console(stdout=stdout, stderr=stderr)
session = self.scheduler.scheduler.new_session(
build_id="buildid_for_test",
should_report_workunits=True,
session_values=SessionValues({
OptionsBootstrapper:
options_bootstrapper,
PantsEnvironment:
PantsEnvironment(env)
}),
)
exit_code = session.run_goal_rule(
goal,
Params(
specs,
console,
Workspace(self.scheduler),
InteractiveRunner(self.scheduler),
),
)
console.flush()
return GoalRuleResult(exit_code, stdout.getvalue(), stderr.getvalue())
def test_resolve_addresses_from_raw_specs(rule_runner: RuleRunner) -> None:
"""This tests that we correctly handle resolving from both specs with and without owners."""
rule_runner.write_files({
"fs_spec/f.txt":
"",
"fs_spec/BUILD":
"file_generator(sources=['f.txt'])",
"address_spec/f.txt":
"",
"address_spec/BUILD":
dedent("""\
file_generator(sources=['f.txt'])
nonfile_generator(name='nonfile')
"""),
"multiple_files/f1.txt":
"",
"multiple_files/f2.txt":
"",
"multiple_files/BUILD":
"file_generator(sources=['*.txt'])",
})
no_interaction_specs = [
"fs_spec/f.txt",
"address_spec:address_spec",
"address_spec:nonfile#gen",
]
multiple_files_specs = [
"multiple_files/f2.txt", "multiple_files:multiple_files"
]
specs = SpecsParser(rule_runner.build_root).parse_specs(
[*no_interaction_specs, *multiple_files_specs],
convert_dir_literal_to_address_literal=False,
description_of_origin="tests",
)
result = rule_runner.request(Addresses, [specs])
assert set(result) == {
Address("fs_spec", relative_file_path="f.txt"),
Address("address_spec"),
Address("address_spec", target_name="nonfile", generated_name="gen"),
Address("multiple_files"),
Address("multiple_files", relative_file_path="f2.txt"),
}
async def paths(
console: Console, paths_subsystem: PathsSubsystem, global_options: GlobalOptions
) -> PathsGoal:
path_from = paths_subsystem.path_from
path_to = paths_subsystem.path_to
if path_from is None:
raise ValueError("Must set --from")
if path_to is None:
raise ValueError("Must set --to")
specs_parser = SpecsParser()
convert_dir_literals = global_options.use_deprecated_directory_cli_args_semantics
from_tgts, to_tgts = await MultiGet(
Get(
Targets,
Specs,
specs_parser.parse_specs(
[path_from],
description_of_origin="the option `--paths-from`",
convert_dir_literal_to_address_literal=convert_dir_literals,
),
),
Get(
Targets,
Specs,
specs_parser.parse_specs(
[path_to],
description_of_origin="the option `--paths-to`",
convert_dir_literal_to_address_literal=convert_dir_literals,
),
),
)
root = from_tgts.expect_single()
destination = to_tgts.expect_single()
transitive_targets = await Get(
TransitiveTargets, TransitiveTargetsRequest([root.address], include_special_cased_deps=True)
)
adjacent_targets_per_target = await MultiGet(
Get(
Targets,
DependenciesRequest(tgt.get(Dependencies), include_special_cased_deps=True),
)
for tgt in transitive_targets.closure
)
transitive_targets_closure_addresses = (t.address for t in transitive_targets.closure)
adjacency_lists = dict(zip(transitive_targets_closure_addresses, adjacent_targets_per_target))
spec_paths = []
for path in find_paths_breadth_first(adjacency_lists, root.address, destination.address):
spec_path = [address.spec for address in path]
spec_paths.append(spec_path)
with paths_subsystem.output(console) as write_stdout:
write_stdout(json.dumps(spec_paths, indent=2))
return PathsGoal(exit_code=0)
def assert_filesystem_spec_parsed(build_root: Path, spec_str: str,
expected_spec: FilesystemSpec) -> None:
parser = SpecsParser(str(build_root))
spec = parser.parse_spec(spec_str)
assert isinstance(spec, FilesystemSpec)
assert spec == expected_spec
def assert_address_spec_parsed(build_root: Path, spec_str: str,
expected_spec: AddressSpec) -> None:
parser = SpecsParser(str(build_root))
spec = parser.parse_spec(spec_str)
assert isinstance(spec, AddressSpec)
assert spec == expected_spec
import re
from dataclasses import asdict
from typing import Iterable, Iterator, List, Optional
import strawberry
from strawberry.types import Info
from pants.backend.explorer.graphql.context import GraphQLContext
from pants.backend.explorer.graphql.field_types import JSONScalar
from pants.backend.project_info.peek import TargetData, TargetDatas
from pants.base.specs_parser import SpecsParser
from pants.engine.target import AllUnexpandedTargets, UnexpandedTargets
from pants.help.help_info_extracter import TargetTypeHelpInfo
from pants.util.strutil import softwrap
specs_parser = SpecsParser()
@strawberry.type(description="Describes a target field type.")
class TargetTypeField:
alias: str = strawberry.field(
description=
"The field name, as used in a target definition in a BUILD file.")
provider: str = strawberry.field(
description="Backend that registered the field type.")
description: str = strawberry.field(description="Field documentation.")
type_hint: str = strawberry.field(description="Field type hint.")
required: bool = strawberry.field(description="Field required flag.")
default: Optional[str] = strawberry.field(
description="Field default value.")
def calculate_specs(
options_bootstrapper: OptionsBootstrapper,
options: Options,
session: SchedulerSession,
) -> Specs:
"""Determine the specs for a given Pants run."""
global_options = options.for_global_scope()
unmatched_cli_globs = global_options.unmatched_cli_globs.to_glob_match_error_behavior(
)
convert_dir_literal_to_address_literal = (
global_options.use_deprecated_directory_cli_args_semantics)
if global_options.is_default(
"use_deprecated_directory_cli_args_semantics"):
warn_or_error(
"2.14.0.dev0",
"`use_deprecated_directory_cli_args_semantics` defaulting to True",
softwrap(f"""
Currently, a directory argument like `{bin_name()} test dir` is shorthand for the
target `dir:dir`, i.e. the target that leaves off `name=`.
In Pants 2.14, by default, a directory argument will instead match all
targets/files in the directory.
To opt into the new and more intuitive semantics early, set
`use_deprecated_directory_cli_args_semantics = false` in the `[GLOBAL]` section in
`pants.toml`. Otherwise, set to `true` to silence this warning.
"""),
)
specs = SpecsParser().parse_specs(
options.specs,
description_of_origin="CLI arguments",
unmatched_glob_behavior=unmatched_cli_globs,
convert_dir_literal_to_address_literal=
convert_dir_literal_to_address_literal,
)
changed_options = ChangedOptions.from_options(options.for_scope("changed"))
logger.debug("specs are: %s", specs)
logger.debug("changed_options are: %s", changed_options)
if specs and changed_options.provided:
changed_name = "--changed-since" if changed_options.since else "--changed-diffspec"
specs_description = specs.arguments_provided_description()
assert specs_description is not None
raise InvalidSpecConstraint(
f"You used `{changed_name}` at the same time as using {specs_description}. You can "
f"only use `{changed_name}` or use normal arguments.")
if not changed_options.provided:
return specs
(git_binary, ) = session.product_request(GitBinary,
[Params(GitBinaryRequest())])
(maybe_git_worktree, ) = session.product_request(
MaybeGitWorktree, [Params(GitWorktreeRequest(), git_binary)])
if not maybe_git_worktree.git_worktree:
raise InvalidSpecConstraint(
"The `--changed-*` options are only available if Git is used for the repository."
)
changed_files = tuple(
changed_options.changed_files(maybe_git_worktree.git_worktree))
file_literal_specs = tuple(FileLiteralSpec(f) for f in changed_files)
changed_request = ChangedRequest(changed_files, changed_options.dependees)
(changed_addresses, ) = session.product_request(
ChangedAddresses, [Params(changed_request, options_bootstrapper)])
logger.debug("changed addresses: %s", changed_addresses)
address_literal_specs = []
for address in cast(ChangedAddresses, changed_addresses):
address_input = AddressInput.parse(
address.spec, description_of_origin="`--changed-since`")
address_literal_specs.append(
AddressLiteralSpec(
path_component=address_input.path_component,
target_component=address_input.target_component,
generated_component=address_input.generated_component,
parameters=address_input.parameters,
))
return Specs(
includes=RawSpecs(
# We need both address_literals and file_literals to cover all our edge cases, including
# target-aware vs. target-less goals, e.g. `list` vs `count-loc`.
address_literals=tuple(address_literal_specs),
file_literals=file_literal_specs,
unmatched_glob_behavior=unmatched_cli_globs,
filter_by_global_options=True,
from_change_detection=True,
description_of_origin="`--changed-since`",
),
ignores=RawSpecs(description_of_origin="`--changed-since`"),
)
def assert_spec_parsed(build_root: Path, spec_str: str, expected_spec: Spec) -> None:
parser = SpecsParser(str(build_root))
spec = parser.parse_spec(spec_str)
assert isinstance(spec, type(expected_spec))
assert spec == expected_spec
async def parse_one_bsp_mapping(
request: _ParseOneBSPMappingRequest) -> BSPBuildTargetInternal:
specs_parser = SpecsParser()
specs = specs_parser.parse_specs(request.raw_specs)
return BSPBuildTargetInternal(request.name, specs)
def setUp(self) -> None:
super().setUp()
self._spec_parser = SpecsParser(self.build_root)
class SpecsParserTest(TestBase):
def setUp(self) -> None:
super().setUp()
self._spec_parser = SpecsParser(self.build_root)
def test_address_literal_specs(self) -> None:
self.assert_address_spec_parsed(":root", address_literal("", "root"))
self.assert_address_spec_parsed("//:root", address_literal("", "root"))
self.assert_address_spec_parsed("a", address_literal("a"))
self.assert_address_spec_parsed("a:a", address_literal("a", "a"))
self.assert_address_spec_parsed("a/b", address_literal("a/b"))
self.assert_address_spec_parsed("a/b:b", address_literal("a/b", "b"))
self.assert_address_spec_parsed("a/b:c", address_literal("a/b", "c"))
def test_sibling(self) -> None:
self.assert_address_spec_parsed(":", sib(""))
self.assert_address_spec_parsed("//:", sib(""))
self.assert_address_spec_parsed("a:", sib("a"))
self.assert_address_spec_parsed("//a:", sib("a"))
self.assert_address_spec_parsed("a/b:", sib("a/b"))
self.assert_address_spec_parsed("//a/b:", sib("a/b"))
def test_descendant(self) -> None:
self.assert_address_spec_parsed("::", desc(""))
self.assert_address_spec_parsed("//::", desc(""))
self.assert_address_spec_parsed("a::", desc("a"))
self.assert_address_spec_parsed("//a::", desc("a"))
self.assert_address_spec_parsed("a/b::", desc("a/b"))
self.assert_address_spec_parsed("//a/b::", desc("a/b"))
def test_files(self) -> None:
# We assume that specs with an extension are meant to be interpreted as filesystem specs.
for f in ["a.txt", "a.tmp.cache.txt.bak", "a/b/c.txt", ".a.txt"]:
self.assert_filesystem_spec_parsed(f, file_literal(f))
self.assert_filesystem_spec_parsed("./a.txt", file_literal("a.txt"))
self.assert_filesystem_spec_parsed("//./a.txt", file_literal("a.txt"))
def test_globs(self) -> None:
for glob_str in [
"*", "**/*", "a/b/*", "a/b/test_*.py", "a/b/**/test_*"
]:
self.assert_filesystem_spec_parsed(glob_str, file_glob(glob_str))
def test_excludes(self) -> None:
for glob_str in ["!", "!a/b/", "!/a/b/*"]:
self.assert_filesystem_spec_parsed(glob_str, ignore(glob_str[1:]))
def test_files_with_original_targets(self) -> None:
self.assert_address_spec_parsed("a.txt:tgt",
address_literal("a.txt", "tgt"))
self.assert_address_spec_parsed("a/b/c.txt:tgt",
address_literal("a/b/c.txt", "tgt"))
self.assert_address_spec_parsed("./a.txt:tgt",
address_literal("a.txt", "tgt"))
self.assert_address_spec_parsed("//./a.txt:tgt",
address_literal("a.txt", "tgt"))
self.assert_address_spec_parsed("a/b/c.txt:../tgt",
address_literal("a/b/c.txt", "../tgt"))
def test_ambiguous_files(self) -> None:
# These could either be files or the shorthand for address_literal addresses. We check if
# they exist on the file system to disambiguate.
for spec in ["a", "b/c"]:
self.assert_address_spec_parsed(spec, address_literal(spec))
self.create_file(spec)
self.assert_filesystem_spec_parsed(spec, file_literal(spec))
def test_absolute(self) -> None:
self.assert_address_spec_parsed(os.path.join(self.build_root, "a"),
address_literal("a"))
self.assert_address_spec_parsed(os.path.join(self.build_root, "a:a"),
address_literal("a", "a"))
self.assert_address_spec_parsed(os.path.join(self.build_root, "a:"),
sib("a"))
self.assert_address_spec_parsed(os.path.join(self.build_root, "a::"),
desc("a"))
self.assert_filesystem_spec_parsed(
os.path.join(self.build_root, "a.txt"), file_literal("a.txt"))
with self.assertRaises(SpecsParser.BadSpecError):
self.assert_address_spec_parsed("/not/the/buildroot/a", sib("a"))
self.assert_filesystem_spec_parsed("/not/the/buildroot/a.txt",
file_literal("a.txt"))
def test_absolute_double_slashed(self) -> None:
# By adding a double slash, we are insisting that this absolute path is actually
# relative to the buildroot. Thus, it should parse correctly.
double_absolute_address = "/" + os.path.join(self.build_root, "a")
double_absolute_file = "/" + os.path.join(self.build_root, "a.txt")
for spec in [double_absolute_address, double_absolute_file]:
assert "//" == spec[:2]
self.assert_address_spec_parsed(
double_absolute_address,
address_literal(double_absolute_address[2:]))
self.assert_filesystem_spec_parsed(
double_absolute_file, file_literal(double_absolute_file[2:]))
def test_cmd_line_affordances(self) -> None:
self.assert_address_spec_parsed("./:root", address_literal("", "root"))
self.assert_address_spec_parsed("//./:root",
address_literal("", "root"))
self.assert_address_spec_parsed("//./a/../:root",
address_literal("", "root"))
self.assert_address_spec_parsed(
os.path.join(self.build_root, "./a/../:root"),
address_literal("", "root"))
self.assert_address_spec_parsed("a/", address_literal("a"))
self.assert_address_spec_parsed("./a/", address_literal("a"))
self.assert_address_spec_parsed(os.path.join(self.build_root, "./a/"),
address_literal("a"))
self.assert_address_spec_parsed("a/b/:b", address_literal("a/b", "b"))
self.assert_address_spec_parsed("./a/b/:b",
address_literal("a/b", "b"))
self.assert_address_spec_parsed(
os.path.join(self.build_root, "./a/b/:b"),
address_literal("a/b", "b"))
def assert_address_spec_parsed(self, spec_str: str,
expected_spec: AddressSpec) -> None:
spec = self._spec_parser.parse_spec(spec_str)
assert isinstance(spec, AddressSpec)
assert spec == expected_spec
def assert_filesystem_spec_parsed(self, spec_str: str,
expected_spec: FilesystemSpec) -> None:
spec = self._spec_parser.parse_spec(spec_str)
assert isinstance(spec, FilesystemSpec)
assert spec == expected_spec
