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test_trapgen.py
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188 lines (143 loc) · 5.94 KB
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import sys
from misc.codegen.generators import trapgen
from misc.codegen.lib import cpp, dbscheme
from misc.codegen.test.utils import *
output_dir = pathlib.Path("path", "to", "output")
@pytest.fixture
def generate_grouped(opts, renderer, dbscheme_input):
opts.cpp_output = output_dir
def ret(entities):
dbscheme_input.entities = entities
generated = run_generation(trapgen.generate, opts, renderer)
dirs = {f.parent for f in generated}
assert all(isinstance(f, pathlib.Path) for f in generated)
assert all(f.name in ("TrapEntries", "TrapTags") for f in generated)
assert set(f for f in generated if f.name == "TrapTags") == {output_dir / "TrapTags"}
return ({
str(d.relative_to(output_dir)): generated[d / "TrapEntries"] for d in dirs
}, generated[output_dir / "TrapTags"])
return ret
@pytest.fixture
def generate_grouped_traps(generate_grouped):
def ret(entities):
generated, _ = generate_grouped(entities)
assert all(isinstance(g, cpp.TrapList) for g in generated.values())
return {d: traps.traps for d, traps in generated.items()}
return ret
@pytest.fixture
def generate_traps(generate_grouped_traps):
def ret(entities):
generated = generate_grouped_traps(entities)
assert set(generated) == {"."}
return generated["."]
return ret
@pytest.fixture
def generate_tags(generate_grouped):
def ret(entities):
_, tags = generate_grouped(entities)
assert isinstance(tags, cpp.TagList)
return tags.tags
return ret
def test_empty_traps(generate_traps):
assert generate_traps([]) == []
def test_empty_tags(generate_tags):
assert generate_tags([]) == []
def test_one_empty_table_rejected(generate_traps):
with pytest.raises(AssertionError):
generate_traps([
dbscheme.Table(name="foos", columns=[]),
])
def test_one_table(generate_traps):
assert generate_traps([
dbscheme.Table(name="foos", columns=[dbscheme.Column("bla", "int")]),
]) == [
cpp.Trap("foos", name="Foos", fields=[cpp.Field("bla", "int")]),
]
def test_one_table(generate_traps):
assert generate_traps([
dbscheme.Table(name="foos", columns=[dbscheme.Column("bla", "int")]),
]) == [
cpp.Trap("foos", name="Foos", fields=[cpp.Field("bla", "int")]),
]
def test_one_table_with_id(generate_traps):
assert generate_traps([
dbscheme.Table(name="foos", columns=[
dbscheme.Column("bla", "int", binding=True)]),
]) == [
cpp.Trap("foos", name="Foos", fields=[cpp.Field(
"bla", "int")], id=cpp.Field("bla", "int")),
]
def test_one_table_with_two_binding_first_is_id(generate_traps):
assert generate_traps([
dbscheme.Table(name="foos", columns=[
dbscheme.Column("x", "a", binding=True),
dbscheme.Column("y", "b", binding=True),
]),
]) == [
cpp.Trap("foos", name="Foos", fields=[
cpp.Field("x", "a"),
cpp.Field("y", "b"),
], id=cpp.Field("x", "a")),
]
@pytest.mark.parametrize("column,field", [
(dbscheme.Column("x", "string"), cpp.Field("x", "std::string")),
(dbscheme.Column("y", "boolean"), cpp.Field("y", "bool")),
(dbscheme.Column("z", "@db_type"), cpp.Field("z", "TrapLabel<DbTypeTag>")),
])
def test_one_table_special_types(generate_traps, column, field):
assert generate_traps([
dbscheme.Table(name="foos", columns=[column]),
]) == [
cpp.Trap("foos", name="Foos", fields=[field]),
]
@pytest.mark.parametrize("name", ["start_line", "start_column", "end_line", "end_column", "index", "num_whatever"])
def test_one_table_overridden_unsigned_field(generate_traps, name):
assert generate_traps([
dbscheme.Table(name="foos", columns=[dbscheme.Column(name, "bar")]),
]) == [
cpp.Trap("foos", name="Foos", fields=[cpp.Field(name, "unsigned")]),
]
def test_one_table_overridden_underscore_named_field(generate_traps):
assert generate_traps([
dbscheme.Table(name="foos", columns=[dbscheme.Column("whatever_", "bar")]),
]) == [
cpp.Trap("foos", name="Foos", fields=[cpp.Field("whatever", "bar")]),
]
def test_tables_with_dir(generate_grouped_traps):
assert generate_grouped_traps([
dbscheme.Table(name="x", columns=[dbscheme.Column("i", "int")]),
dbscheme.Table(name="y", columns=[dbscheme.Column("i", "int")], dir=pathlib.Path("foo")),
dbscheme.Table(name="z", columns=[dbscheme.Column("i", "int")], dir=pathlib.Path("foo/bar")),
]) == {
".": [cpp.Trap("x", name="X", fields=[cpp.Field("i", "int")])],
"foo": [cpp.Trap("y", name="Y", fields=[cpp.Field("i", "int")])],
"foo/bar": [cpp.Trap("z", name="Z", fields=[cpp.Field("i", "int")])],
}
def test_one_table_no_tags(generate_tags):
assert generate_tags([
dbscheme.Table(name="foos", columns=[dbscheme.Column("bla", "int")]),
]) == []
def test_one_union_tags(generate_tags):
assert generate_tags([
dbscheme.Union(lhs="@left_hand_side", rhs=["@b", "@a", "@c"]),
]) == [
cpp.Tag(name="LeftHandSide", bases=[], id="@left_hand_side"),
cpp.Tag(name="A", bases=["LeftHandSide"], id="@a"),
cpp.Tag(name="B", bases=["LeftHandSide"], id="@b"),
cpp.Tag(name="C", bases=["LeftHandSide"], id="@c"),
]
def test_multiple_union_tags(generate_tags):
assert generate_tags([
dbscheme.Union(lhs="@d", rhs=["@a"]),
dbscheme.Union(lhs="@a", rhs=["@b", "@c"]),
dbscheme.Union(lhs="@e", rhs=["@c", "@f"]),
]) == [
cpp.Tag(name="D", bases=[], id="@d"),
cpp.Tag(name="E", bases=[], id="@e"),
cpp.Tag(name="A", bases=["D"], id="@a"),
cpp.Tag(name="F", bases=["E"], id="@f"),
cpp.Tag(name="B", bases=["A"], id="@b"),
cpp.Tag(name="C", bases=["A", "E"], id="@c"),
]
if __name__ == '__main__':
sys.exit(pytest.main([__file__] + sys.argv[1:]))