def init_method_is_called_if_present(self):
node = cc.class_("A", methods=[
cc.func("__init__", [cc.arg("self"), cc.arg("value")], [
cc.expression_statement(cc.call(cc.ref("print"), [cc.ref("value")]))
])
], body=[])
expected_aux = """internal class __A {
internal dynamic __init__;
}
"""
expected = """A = new
{
__call__ = ((System.Func<dynamic, dynamic>)((dynamic __value) =>
{
dynamic __self = null;
__self = new __A {
__init__ = ((System.Func<dynamic, dynamic>)((dynamic value) =>
{
dynamic self = __self;
print(value);
})),
};
__self.__init__(__value);
return __self;
})),
};
"""
transformer = _create_transformer()
assert_equal(expected, cs.dumps(transformer.transform(node)))
assert_equal(expected_aux, cs.dumps(transformer.aux()))
def methods_are_set_as_members_on_object(self):
node = cc.class_("A", methods=[
cc.func("f", [cc.arg("self")], [
cc.ret(cc.ref("self"))
])
], body=[])
expected_aux = """internal class __A {
internal dynamic f;
}
"""
expected = """A = new
{
__call__ = ((System.Func<dynamic>)(() =>
{
dynamic __self = null;
__self = new __A {
f = ((System.Func<dynamic>)(() =>
{
dynamic self = __self;
return self;
})),
};
return __self;
})),
};
"""
transformer = _create_transformer()
assert_equal(expected, cs.dumps(transformer.transform(node)))
assert_equal(expected_aux, cs.dumps(transformer.aux()))
def method_has_body(self):
node = cs.method("f", [], [cs.ret(cs.ref("x"))])
expected = """internal dynamic f() {
return x;
}
"""
assert_equal(expected, cs.dumps(node))
def lambda_without_arguments_has_body_serialized(self):
node = cs.lambda_([], [cs.ret(cs.ref("x"))])
expected = """(() =>
{
return x;
})"""
assert_equal(expected, cs.dumps(node))
def uses_braced_list_for_member_setters(self):
node = cs.new(cs.ref("A"), [], [("X", cs.ref("x")), ("Y", cs.ref("y"))])
expected = """new A {
X = x,
Y = y,
}"""
assert_equal(expected, cs.dumps(node))
def class_body_is_written_out(self):
node = cs.class_("A", [cs.method("Main", [], [])])
expected = """internal class A {
internal dynamic Main() {
}
}
"""
assert_equal(expected, cs.dumps(node))
def path_is_normalised_before_hashing(self):
module_resolver = FakeModuleResolver({
("os", "path"): LocalModule("x/../blah.py", None),
})
node = cc.module_ref(["os", "path"])
expected = """__Nope.Internals.@Import(Module__blah_py.Init)"""
assert_equal(expected, cs.dumps(transform(node, module_resolver=module_resolver)))
def object_members_are_assigned_with_equals_sign(self):
node = cs.obj([("X", cs.ref("x")), ("Y", cs.ref("y"))])
expected = """new
{
X = x,
Y = y,
}"""
assert_equal(expected, cs.dumps(node))
def absolute_module_reference_is_translated_to_get_module_with_reference_to_module_class(self):
module_resolver = FakeModuleResolver({
("os", "path"): LocalModule("blah.py", None),
})
node = cc.module_ref(["os", "path"])
expected = """__Nope.Internals.@Import(Module__blah_py.Init)"""
assert_equal(expected, cs.dumps(transform(node, module_resolver=module_resolver)))
def function_with_multiple_arguments_is_converted_to_csharp_lambda_assignment_with_dynamic_args(self):
node = cc.func("f", [cc.arg("x"), cc.arg("y")], [cc.ret(cc.none)])
expected = """
f = ((System.Func<dynamic, dynamic, dynamic>)((dynamic x, dynamic y) =>
{
return __NopeNone.Value;
}));"""
assert_equal(expected.strip(), cs.dumps(transform(node)).strip())
def function_with_zero_arguments_is_converted_to_csharp_lambda_assignment(self):
node = cc.func("f", [], [cc.ret(cc.none)])
expected = """
f = ((System.Func<dynamic>)(() =>
{
return __NopeNone.Value;
}));"""
assert_equal(expected.strip(), cs.dumps(transform(node)).strip())
def class_definition_creates_object_with_call_method_for_init(self):
node = cc.class_("A", methods=[], body=[])
expected_aux = """internal class __A {
}
"""
expected = """A = new
{
__call__ = ((System.Func<dynamic>)(() =>
{
dynamic __self = null;
__self = new __A();
return __self;
})),
};
"""
transformer = _create_transformer()
assert_equal(expected, cs.dumps(transformer.transform(node)))
assert_equal(expected_aux, cs.dumps(transformer.aux()))
def except_handler_is_converted_to_catch_for_nope_exceptions(self):
node = cc.try_(
[],
handlers=[cc.except_(None, None, [cc.expression_statement(cc.ref("y"))])]
)
expected = """try {
} catch (__Nope.Internals.@__NopeException __exception) {
y;
}
"""
assert_equal(expected, cs.dumps(transform(node)))
def test_serialize_try_with_finally_body(self):
node = cs.try_(
[cs.ret(cs.ref("x"))],
finally_body=[cs.expression_statement(cs.ref("y"))],
)
expected = """try {
return x;
} finally {
y;
}
"""
assert_equal(expected, cs.dumps(node))
def test_serialize_try_with_filtered_catch_with_name(self):
node = cs.try_(
[cs.ret(cs.ref("x"))],
handlers=[cs.catch(cs.ref("Exception"), "exception", [cs.expression_statement(cs.ref("y"))])],
)
expected = """try {
return x;
} catch (Exception exception) {
y;
}
"""
assert_equal(expected, cs.dumps(node))
def test_serialize_try_with_unfiltered_catch(self):
node = cs.try_(
[cs.ret(cs.ref("x"))],
handlers=[cs.catch(None, None, [cs.expression_statement(cs.ref("y"))])],
)
expected = """try {
return x;
} catch {
y;
}
"""
assert_equal(expected, cs.dumps(node))
def non_executable_module_adds_value_to_modules_object(self):
node = cc.module([], is_executable=False, exported_names=["x"])
module = LocalModule("blah.py", node)
expected = """internal class Module__blah_py {
internal static dynamic Init() {
dynamic __module = new System.Dynamic.ExpandoObject();
__module.x = x;
return __module;
}
}
"""
assert_equal(expected, cs.dumps(transform(module)))
def executable_module_is_converted_to_class_with_main_method(self):
node = cc.module([
cc.expression_statement(cc.call(cc.ref("f"), []))
], is_executable=True)
module = LocalModule("blah.py", node)
expected = """internal class Program {
internal static void Main() {
f();
}
}
"""
assert_equal(expected, cs.dumps(transform(module)))
def try_with_finally_is_converted_to_try_with_finally(self):
node = cc.try_(
[cc.ret(cc.ref("x"))],
finally_body=[cc.expression_statement(cc.ref("y"))]
)
expected = """try {
return x;
} finally {
y;
}
"""
assert_equal(expected, cs.dumps(transform(node)))
def type_of_nope_exception_is_checked_if_handler_has_exception_type(self):
node = cc.try_(
[],
handlers=[
cc.except_(cc.ref("Exception"), None, [
cc.ret(cc.ref("value"))
])
]
)
expected = """try {
} catch (__Nope.Internals.@__NopeException __exception) {
if ((__Nope.Builtins.@isinstance(__exception.__Value, Exception)).__Value) {
return value;
} else {
throw;
}
}
"""
assert_equal(expected, cs.dumps(transform(node)))
def nope_exception_is_extracted_from_dotnet_exception_if_exception_is_named_in_catch(self):
node = cc.try_(
[],
handlers=[
cc.except_(cc.ref("Exception"), cc.ref("error"), [
cc.ret(cc.ref("error"))
])
]
)
expected = """try {
} catch (__Nope.Internals.@__NopeException __exception) {
if ((__Nope.Builtins.@isinstance(__exception.__Value, Exception)).__Value) {
error = __exception.__Value;
return error;
} else {
throw;
}
}
"""
assert_equal(expected, cs.dumps(transform(node)))
def handlers_are_converted_to_if_statements_in_order(self):
node = cc.try_(
[],
handlers=[
cc.except_(cc.ref("AssertionError"), None, []),
cc.except_(cc.ref("Exception"), None, []),
]
)
expected = """try {
} catch (__Nope.Internals.@__NopeException __exception) {
if ((__Nope.Builtins.@isinstance(__exception.__Value, AssertionError)).__Value) {
} else {
if ((__Nope.Builtins.@isinstance(__exception.__Value, Exception)).__Value) {
} else {
throw;
}
}
}
"""
assert_equal(expected, cs.dumps(transform(node)))
def arguments_have_dynamic_type(self):
node = cs.lambda_([cs.arg("x")], [])
expected = """((dynamic x) =>
{
})"""
assert_equal(expected, cs.dumps(node))
def variable_with_initial_value_is_declared_as_dynamic_with_initial_value(self):
node = cs.declare("x", cs.null)
expected = """dynamic x = null;\n"""
assert_equal(expected, cs.dumps(node))
def variable_without_initial_value_is_declared_as_dynamic(self):
node = cs.declare("x", None)
expected = """dynamic x;\n"""
assert_equal(expected, cs.dumps(node))
def method_can_be_set_as_ststic(self):
node = cs.method("f", [], [], static=True)
expected = """internal static dynamic f() {
}
"""
assert_equal(expected, cs.dumps(node))
def field_is_internal_and_dynamic(self):
node = cs.field("X")
expected = """internal dynamic X;
"""
assert_equal(expected, cs.dumps(node))
def method_return_type_can_be_overridden(self):
node = cs.method("f", [], [], returns=cs.void)
expected = """internal void f() {
}
"""
assert_equal(expected, cs.dumps(node))
def method_has_dynamic_arguments(self):
node = cs.method("f", [cs.arg("x"), cs.arg("y")], [])
expected = """internal dynamic f(dynamic x, dynamic y) {
}
"""
assert_equal(expected, cs.dumps(node))
def method_has_internal_visibility(self):
node = cs.method("f", [], [])
expected = """internal dynamic f() {
}
"""
assert_equal(expected, cs.dumps(node))