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test_qlgen.py
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1896 lines (1740 loc) · 58.1 KB
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import pathlib
import subprocess
import sys
import pytest
from misc.codegen.generators import qlgen
from misc.codegen.lib import ql
from misc.codegen.test.utils import *
@pytest.fixture(autouse=True)
def run_mock():
with mock.patch("subprocess.run") as ret:
ret.return_value.returncode = 0
yield ret
# these are lambdas so that they will use patched paths when called
def stub_path():
return paths.root_dir / "ql/lib/stub/path"
def ql_output_path():
return paths.root_dir / "ql/lib/other/path"
def ql_test_output_path():
return paths.root_dir / "ql/test/path"
def generated_registry_path():
return paths.root_dir / "ql/registry.list"
def import_file():
return stub_path().with_suffix(".qll")
def children_file():
return ql_output_path() / "ParentChild.qll"
stub_import = "stub.path"
stub_import_prefix_internal = stub_import + ".internal."
stub_import_prefix = stub_import + "."
root_import = stub_import_prefix_internal + "Element"
gen_import = "other.path"
gen_import_prefix = gen_import + "."
@pytest.fixture
def qlgen_opts(opts):
opts.ql_stub_output = stub_path()
opts.ql_output = ql_output_path()
opts.ql_test_output = ql_test_output_path()
opts.generated_registry = generated_registry_path()
opts.ql_format = True
opts.root_dir = paths.root_dir
opts.force = False
opts.codeql_binary = "./my_fake_codeql"
pathlib.Path(opts.codeql_binary).touch()
return opts
@pytest.fixture
def generate(input, qlgen_opts, renderer, render_manager):
render_manager.written = []
def func(classes):
input.classes = {cls.name: cls for cls in classes}
return run_managed_generation(
qlgen.generate, qlgen_opts, renderer, render_manager
)
return func
@pytest.fixture
def generate_import_list(generate):
def func(classes):
ret = generate(classes)
assert import_file() in ret
return ret[import_file()]
return func
@pytest.fixture
def generate_children_implementations(generate):
def func(classes):
ret = generate(classes)
assert children_file() in ret
return ret[children_file()]
return func
def _filter_generated_classes(ret, output_test_files=False):
files = {x for x in ret}
print(files)
files.remove(import_file())
files.remove(children_file())
stub_files = set()
base_files = set()
test_files = set()
for f in files:
try:
stub_files.add(f.relative_to(stub_path()))
print(f)
except ValueError:
try:
base_files.add(f.relative_to(ql_output_path()))
except ValueError:
try:
test_files.add(f.relative_to(ql_test_output_path()))
except ValueError:
assert False, f"{f} is in wrong directory"
if output_test_files:
return {str(f): ret[ql_test_output_path() / f] for f in test_files}
base_files -= {
pathlib.Path(f"{name}.qll")
for name in ("Raw", "Synth", "SynthConstructors", "PureSynthConstructors")
}
stub_files = {
(
pathlib.Path(f.parent.parent, f.stem + ".qll")
if f.parent.name == "internal"
and pathlib.Path(f.parent.parent, f.stem + ".qll") in base_files
else f
)
for f in stub_files
}
assert base_files <= stub_files
return {
str(f): (
(
ret[stub_path() / "internal" / f]
if stub_path() / "internal" / f in ret
else ret[stub_path() / f]
),
ret[
stub_path()
/ pathlib.Path(
f.parent,
"internal" if not f.parent.name == "internal" else "",
f.stem + "Impl.qll",
)
],
ret[ql_output_path() / f],
)
for f in base_files
}
@pytest.fixture
def generate_classes(generate):
def func(classes):
return _filter_generated_classes(generate(classes))
return func
@pytest.fixture
def generate_tests(generate):
def func(classes):
return _filter_generated_classes(generate(classes), output_test_files=True)
return func
def a_ql_class(**kwargs):
return ql.Class(**kwargs, import_prefix=gen_import)
def a_ql_stub(*, name, import_prefix="", **kwargs):
return ql.Stub(
name=name,
**kwargs,
import_prefix=gen_import,
base_import=f"{gen_import_prefix}{import_prefix}{name}",
)
def a_ql_class_public(*, name, **kwargs):
return ql.ClassPublic(name=name, **kwargs)
def test_one_empty_class(generate_classes):
assert generate_classes([schema.Class("A")]) == {
"A.qll": (
a_ql_class_public(name="A"),
a_ql_stub(name="A"),
a_ql_class(name="A", final=True, imports=[stub_import_prefix + "A"]),
)
}
def test_one_empty_internal_class(generate_classes):
assert generate_classes([schema.Class("A", pragmas=["ql_internal"])]) == {
"A.qll": (
a_ql_class_public(name="A", internal=True),
a_ql_stub(name="A"),
a_ql_class(
name="A",
final=True,
internal=True,
imports=[stub_import_prefix_internal + "A"],
),
),
}
def test_hierarchy(generate_classes):
assert generate_classes(
[
schema.Class("D", bases=["B", "C"]),
schema.Class("C", bases=["A"], derived={"D"}),
schema.Class("B", bases=["A"], derived={"D"}),
schema.Class("A", derived={"B", "C"}),
]
) == {
"A.qll": (
a_ql_class_public(name="A"),
a_ql_stub(name="A"),
a_ql_class(name="A", imports=[stub_import_prefix + "A"]),
),
"B.qll": (
a_ql_class_public(name="B", imports=[stub_import_prefix + "A"]),
a_ql_stub(name="B"),
a_ql_class(
name="B",
bases=["A"],
bases_impl=["AImpl::A"],
imports=[stub_import_prefix_internal + "AImpl::Impl as AImpl"],
),
),
"C.qll": (
a_ql_class_public(name="C", imports=[stub_import_prefix + "A"]),
a_ql_stub(name="C"),
a_ql_class(
name="C",
bases=["A"],
bases_impl=["AImpl::A"],
imports=[stub_import_prefix_internal + "AImpl::Impl as AImpl"],
),
),
"D.qll": (
a_ql_class_public(
name="D", imports=[stub_import_prefix + "B", stub_import_prefix + "C"]
),
a_ql_stub(name="D"),
a_ql_class(
name="D",
final=True,
bases=["B", "C"],
bases_impl=["BImpl::B", "CImpl::C"],
imports=[
stub_import_prefix_internal + cls + "Impl::Impl as " + cls + "Impl"
for cls in "BC"
],
),
),
}
def test_hierarchy_imports(generate_import_list):
assert generate_import_list(
[
schema.Class("D", bases=["B", "C"]),
schema.Class("C", bases=["A"], derived={"D"}),
schema.Class("B", bases=["A"], derived={"D"}),
schema.Class("A", derived={"B", "C"}),
]
) == ql.ImportList([stub_import_prefix + cls for cls in "ABCD"])
def test_internal_not_in_import_list(generate_import_list):
assert generate_import_list(
[
schema.Class("D", bases=["B", "C"]),
schema.Class("C", bases=["A"], derived={"D"}, pragmas=["ql_internal"]),
schema.Class("B", bases=["A"], derived={"D"}),
schema.Class("A", derived={"B", "C"}, pragmas=["ql_internal"]),
]
) == ql.ImportList([stub_import_prefix + cls for cls in "BD"])
def test_hierarchy_children(generate_children_implementations):
assert generate_children_implementations(
[
schema.Class("A", derived={"B", "C"}, pragmas=["ql_internal"]),
schema.Class("B", bases=["A"], derived={"D"}),
schema.Class("C", bases=["A"], derived={"D"}, pragmas=["ql_internal"]),
schema.Class("D", bases=["B", "C"]),
]
) == ql.GetParentImplementation(
classes=[
a_ql_class(
name="A", internal=True, imports=[stub_import_prefix_internal + "A"]
),
a_ql_class(
name="B",
bases=["A"],
bases_impl=["AImpl::A"],
imports=[stub_import_prefix_internal + "AImpl::Impl as AImpl"],
),
a_ql_class(
name="C",
bases=["A"],
bases_impl=["AImpl::A"],
imports=[stub_import_prefix_internal + "AImpl::Impl as AImpl"],
internal=True,
),
a_ql_class(
name="D",
final=True,
bases=["B", "C"],
bases_impl=["BImpl::B", "CImpl::C"],
imports=[
stub_import_prefix_internal + cls + "Impl::Impl as " + cls + "Impl"
for cls in "BC"
],
),
],
imports=[stub_import] + [stub_import_prefix_internal + cls for cls in "AC"],
)
def test_single_property(generate_classes):
assert generate_classes(
[
schema.Class("MyObject", properties=[schema.SingleProperty("foo", "bar")]),
]
) == {
"MyObject.qll": (
a_ql_class_public(name="MyObject"),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
properties=[
ql.Property(
singular="Foo",
type="bar",
tablename="my_objects",
tableparams=["this", "result"],
doc="foo of this my object",
),
],
imports=[stub_import_prefix + "MyObject"],
),
),
}
def test_internal_property(generate_classes):
assert generate_classes(
[
schema.Class(
"MyObject",
properties=[
schema.SingleProperty("foo", "bar", pragmas=["ql_internal"])
],
),
]
) == {
"MyObject.qll": (
a_ql_class_public(name="MyObject"),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
properties=[
ql.Property(
singular="Foo",
type="bar",
tablename="my_objects",
tableparams=["this", "result"],
doc="foo of this my object",
internal=True,
),
],
imports=[stub_import_prefix + "MyObject"],
),
),
}
def test_children(generate_classes):
expected_parent_property = ql.Property(
singular="ParentChild",
type="int",
is_child=True,
tablename="parents",
tableparams=["this", "result"],
doc="parent child of this parent",
)
expected_properties = [
ql.Property(
singular="A",
type="int",
tablename="my_objects",
tableparams=["this", "result", "_"],
doc="a of this my object",
),
ql.Property(
singular="Child1",
type="int",
tablename="my_objects",
tableparams=["this", "_", "result"],
is_child=True,
doc="child 1 of this my object",
),
ql.Property(
singular="B",
plural="Bs",
type="int",
tablename="my_object_bs",
tableparams=["this", "index", "result"],
doc="b of this my object",
doc_plural="bs of this my object",
),
ql.Property(
singular="Child",
plural="Children",
type="int",
tablename="my_object_children",
tableparams=["this", "index", "result"],
is_child=True,
doc="child of this my object",
doc_plural="children of this my object",
),
ql.Property(
singular="C",
type="int",
tablename="my_object_cs",
tableparams=["this", "result"],
is_optional=True,
doc="c of this my object",
),
ql.Property(
singular="Child3",
type="int",
tablename="my_object_child_3s",
tableparams=["this", "result"],
is_optional=True,
is_child=True,
doc="child 3 of this my object",
),
ql.Property(
singular="D",
plural="Ds",
type="int",
tablename="my_object_ds",
tableparams=["this", "index", "result"],
is_optional=True,
doc="d of this my object",
doc_plural="ds of this my object",
),
ql.Property(
singular="Child4",
plural="Child4s",
type="int",
tablename="my_object_child_4s",
tableparams=["this", "index", "result"],
is_optional=True,
is_child=True,
doc="child 4 of this my object",
doc_plural="child 4s of this my object",
),
]
assert generate_classes(
[
schema.Class("FakeRoot"),
schema.Class(
"Parent",
derived={"MyObject"},
properties=[
schema.SingleProperty("parent_child", "int", is_child=True),
],
),
schema.Class(
"MyObject",
bases=["Parent"],
properties=[
schema.SingleProperty("a", "int"),
schema.SingleProperty("child_1", "int", is_child=True),
schema.RepeatedProperty("bs", "int"),
schema.RepeatedProperty("children", "int", is_child=True),
schema.OptionalProperty("c", "int"),
schema.OptionalProperty("child_3", "int", is_child=True),
schema.RepeatedOptionalProperty("d", "int"),
schema.RepeatedOptionalProperty("child_4", "int", is_child=True),
],
),
]
) == {
"FakeRoot.qll": (
a_ql_class_public(name="FakeRoot"),
a_ql_stub(name="FakeRoot"),
a_ql_class(
name="FakeRoot", final=True, imports=[stub_import_prefix + "FakeRoot"]
),
),
"Parent.qll": (
a_ql_class_public(name="Parent"),
a_ql_stub(name="Parent"),
a_ql_class(
name="Parent",
imports=[stub_import_prefix + "Parent"],
properties=[expected_parent_property],
all_children=[
ql.Child(
expected_parent_property,
),
],
),
),
"MyObject.qll": (
a_ql_class_public(name="MyObject", imports=[stub_import_prefix + "Parent"]),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
bases=["Parent"],
bases_impl=["ParentImpl::Parent"],
properties=expected_properties,
all_children=[
ql.Child(
expected_parent_property,
),
ql.Child(
expected_properties[1],
prev="ParentChild",
),
ql.Child(
expected_properties[3],
prev="Child1",
),
ql.Child(
expected_properties[5],
prev="Child",
),
ql.Child(
expected_properties[7],
prev="Child3",
),
],
imports=[
stub_import_prefix + "internal.ParentImpl::Impl as ParentImpl"
],
),
),
}
def test_single_properties(generate_classes):
assert generate_classes(
[
schema.Class(
"MyObject",
properties=[
schema.SingleProperty("one", "x"),
schema.SingleProperty("two", "y"),
schema.SingleProperty("three", "z"),
],
),
]
) == {
"MyObject.qll": (
a_ql_class_public(name="MyObject"),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
properties=[
ql.Property(
singular="One",
type="x",
tablename="my_objects",
tableparams=["this", "result", "_", "_"],
doc="one of this my object",
),
ql.Property(
singular="Two",
type="y",
tablename="my_objects",
tableparams=["this", "_", "result", "_"],
doc="two of this my object",
),
ql.Property(
singular="Three",
type="z",
tablename="my_objects",
tableparams=["this", "_", "_", "result"],
doc="three of this my object",
),
],
imports=[stub_import_prefix + "MyObject"],
),
),
}
def test_optional_property(generate_classes):
assert generate_classes(
[
schema.Class("FakeRoot"),
schema.Class(
"MyObject",
properties=[schema.OptionalProperty("foo", "bar")],
),
]
) == {
"FakeRoot.qll": (
a_ql_class_public(name="FakeRoot"),
a_ql_stub(name="FakeRoot"),
a_ql_class(
name="FakeRoot", final=True, imports=[stub_import_prefix + "FakeRoot"]
),
),
"MyObject.qll": (
a_ql_class_public(name="MyObject"),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
properties=[
ql.Property(
singular="Foo",
type="bar",
tablename="my_object_foos",
tableparams=["this", "result"],
is_optional=True,
doc="foo of this my object",
),
],
imports=[stub_import_prefix + "MyObject"],
),
),
}
def test_repeated_property(generate_classes):
assert generate_classes(
[
schema.Class("FakeRoot"),
schema.Class(
"MyObject",
properties=[schema.RepeatedProperty("foo", "bar")],
),
]
) == {
"FakeRoot.qll": (
a_ql_class_public(name="FakeRoot"),
a_ql_stub(name="FakeRoot"),
a_ql_class(
name="FakeRoot", final=True, imports=[stub_import_prefix + "FakeRoot"]
),
),
"MyObject.qll": (
a_ql_class_public(name="MyObject"),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
properties=[
ql.Property(
singular="Foo",
plural="Foos",
type="bar",
tablename="my_object_foos",
tableparams=["this", "index", "result"],
doc="foo of this my object",
doc_plural="foos of this my object",
),
],
imports=[stub_import_prefix + "MyObject"],
),
),
}
def test_repeated_unordered_property(generate_classes):
assert generate_classes(
[
schema.Class("FakeRoot"),
schema.Class(
"MyObject", properties=[schema.RepeatedUnorderedProperty("foo", "bar")]
),
]
) == {
"FakeRoot.qll": (
a_ql_class_public(name="FakeRoot"),
a_ql_stub(name="FakeRoot"),
a_ql_class(
name="FakeRoot", final=True, imports=[stub_import_prefix + "FakeRoot"]
),
),
"MyObject.qll": (
a_ql_class_public(name="MyObject"),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
properties=[
ql.Property(
singular="Foo",
plural="Foos",
type="bar",
tablename="my_object_foos",
tableparams=["this", "result"],
is_unordered=True,
doc="foo of this my object",
doc_plural="foos of this my object",
),
],
imports=[stub_import_prefix + "MyObject"],
),
),
}
def test_repeated_optional_property(generate_classes):
assert generate_classes(
[
schema.Class("FakeRoot"),
schema.Class(
"MyObject",
properties=[schema.RepeatedOptionalProperty("foo", "bar")],
),
]
) == {
"FakeRoot.qll": (
a_ql_class_public(name="FakeRoot"),
a_ql_stub(name="FakeRoot"),
a_ql_class(
name="FakeRoot", final=True, imports=[stub_import_prefix + "FakeRoot"]
),
),
"MyObject.qll": (
a_ql_class_public(name="MyObject"),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
properties=[
ql.Property(
singular="Foo",
plural="Foos",
type="bar",
tablename="my_object_foos",
tableparams=["this", "index", "result"],
is_optional=True,
doc="foo of this my object",
doc_plural="foos of this my object",
),
],
imports=[stub_import_prefix + "MyObject"],
),
),
}
def test_predicate_property(generate_classes):
assert generate_classes(
[
schema.Class("MyObject", properties=[schema.PredicateProperty("is_foo")]),
]
) == {
"MyObject.qll": (
a_ql_class_public(name="MyObject"),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
properties=[
ql.Property(
singular="isFoo",
type="predicate",
tablename="my_object_is_foo",
tableparams=["this"],
is_predicate=True,
doc="this my object is foo",
),
],
imports=[stub_import_prefix + "MyObject"],
),
),
}
def test_single_class_property(generate_classes):
assert generate_classes(
[
schema.Class("Bar"),
schema.Class(
"MyObject",
properties=[schema.SingleProperty("foo", "Bar")],
),
]
) == {
"MyObject.qll": (
a_ql_class_public(name="MyObject", imports=[stub_import_prefix + "Bar"]),
a_ql_stub(name="MyObject"),
a_ql_class(
name="MyObject",
final=True,
imports=[stub_import_prefix + "Bar", stub_import_prefix + "MyObject"],
properties=[
ql.Property(
singular="Foo",
type="Bar",
tablename="my_objects",
tableparams=["this", "result"],
doc="foo of this my object",
type_is_codegen_class=True,
),
],
),
),
"Bar.qll": (
a_ql_class_public(name="Bar"),
a_ql_stub(name="Bar"),
a_ql_class(name="Bar", final=True, imports=[stub_import_prefix + "Bar"]),
),
}
def test_class_with_doc(generate_classes):
doc = ["Very important class.", "Very."]
assert generate_classes(
[
schema.Class("A", doc=doc),
]
) == {
"A.qll": (
a_ql_class_public(name="A", doc=doc),
a_ql_stub(name="A", doc=doc),
a_ql_class(
name="A", final=True, doc=doc, imports=[stub_import_prefix + "A"]
),
),
}
def test_class_dir(generate_classes):
dir = "another/rel/path"
assert generate_classes(
[
schema.Class("A", derived={"B"}, pragmas={"group": dir}),
schema.Class("B", bases=["A"]),
]
) == {
f"{dir}/A.qll": (
a_ql_class_public(name="A"),
a_ql_stub(name="A", import_prefix="another.rel.path."),
a_ql_class(
name="A",
dir=pathlib.Path(dir),
imports=[stub_import_prefix + "another.rel.path.A"],
),
),
"B.qll": (
a_ql_class_public(
name="B", imports=[stub_import_prefix + "another.rel.path.A"]
),
a_ql_stub(name="B"),
a_ql_class(
name="B",
final=True,
bases=["A"],
bases_impl=["AImpl::A"],
imports=[
stub_import_prefix
+ "another.rel.path.internal.AImpl::Impl as AImpl"
],
),
),
}
def test_root_element_cannot_have_children(generate_classes):
with pytest.raises(qlgen.RootElementHasChildren):
generate_classes(
[schema.Class("A", properties=[schema.SingleProperty("x", is_child=True)])]
)
def test_class_dir_imports(generate_import_list):
dir = "another/rel/path"
assert generate_import_list(
[
schema.Class("A", derived={"B"}, pragmas={"group": dir}),
schema.Class("B", bases=["A"]),
]
) == ql.ImportList(
[
stub_import_prefix + "B",
stub_import_prefix + "another.rel.path.A",
]
)
def test_format(opts, generate, render_manager, run_mock):
run_mock.return_value.stderr = "some\nlines\n"
render_manager.written = [
pathlib.Path("x", "foo.ql"),
pathlib.Path("bar.qll"),
pathlib.Path("y", "baz.txt"),
]
generate([schema.Class("A")])
assert run_mock.mock_calls == [
mock.call(
[
opts.codeql_binary,
"query",
"format",
"--in-place",
"--",
"x/foo.ql",
"bar.qll",
],
stderr=subprocess.PIPE,
text=True,
),
]
def test_format_error(opts, generate, render_manager, run_mock):
run_mock.return_value.stderr = "some\nlines\n"
run_mock.return_value.returncode = 1
render_manager.written = [
pathlib.Path("x", "foo.ql"),
pathlib.Path("bar.qll"),
pathlib.Path("y", "baz.txt"),
]
with pytest.raises(qlgen.FormatError):
generate([schema.Class("A")])
def test_format_no_codeql(opts, generate, render_manager, run_mock):
pathlib.Path(opts.codeql_binary).unlink()
render_manager.written = [
pathlib.Path("bar.qll"),
]
with pytest.raises(qlgen.FormatError):
generate([schema.Class("A")])
def test_format_no_codeql_in_path(opts, generate, render_manager, run_mock):
opts.codeql_binary = "my_fake_codeql"
render_manager.written = [
pathlib.Path("bar.qll"),
]
with pytest.raises(qlgen.FormatError):
generate([schema.Class("A")])
@pytest.mark.parametrize("force", [False, True])
def test_manage_parameters(opts, generate, renderer, force):
opts.force = force
ql_a = opts.ql_output / "A.qll"
ql_b = opts.ql_output / "B.qll"
stub_a = opts.ql_stub_output / "A.qll"
stub_b = opts.ql_stub_output / "B.qll"
test_a = opts.ql_test_output / "A.ql"
test_b = opts.ql_test_output / "MISSING_SOURCE.txt"
test_c = opts.ql_test_output / "B.txt"
write(ql_a)
write(ql_b)
write(stub_a)
write(stub_b)
write(test_a)
write(test_b)
write(test_c)
generate([schema.Class("A")])
assert renderer.mock_calls == [
mock.call.manage(
generated={ql_a, ql_b, test_a, test_b, import_file()},
stubs={stub_a, stub_b},
registry=opts.generated_registry,
force=force,
)
]
def test_modified_stub_skipped(qlgen_opts, generate, render_manager):
stub = qlgen_opts.ql_stub_output / "AImpl.qll"
render_manager.is_customized_stub.side_effect = lambda f: f == stub
assert stub not in generate([schema.Class("A")])
def test_test_missing_source(generate_tests):
generate_tests(
[
schema.Class("A"),
]
) == {