def test_refer_all(ns_cache: atom.Atom[NamespaceMap]):
ns1 = get_or_create_ns(sym.symbol("ns1"))
var_sym1, var_val1 = sym.symbol("useful-value"), "cool string"
var1 = Var(ns1, var_sym1)
var1.set_value(var_val1)
ns1.intern(var_sym1, var1)
var_sym2, var_val2 = sym.symbol("private-value"), "private string"
var2 = Var(ns1, var_sym2, meta=lmap.map({kw.keyword("private"): True}))
var2.set_value(var_val2)
ns1.intern(var_sym2, var2)
var_sym3, var_val3 = sym.symbol("existing-value"), "interned string"
var3 = Var(ns1, var_sym3)
var3.set_value(var_val3)
ns1.intern(var_sym3, var3)
ns2 = get_or_create_ns(sym.symbol("ns2"))
var_val4 = "some other value"
var4 = Var(ns2, var_sym3)
var4.set_value(var_val4)
ns2.intern(var_sym3, var4)
ns2.refer_all(ns1)
assert var1 is ns2.get_refer(var_sym1)
assert var1 is ns2.find(var_sym1)
assert var_val1 == ns2.find(var_sym1).value
assert None is ns2.get_refer(var_sym2)
assert None is ns2.find(var_sym2)
assert var3 is ns2.get_refer(var_sym3)
assert var4 is ns2.find(var_sym3)
assert var_val4 == ns2.find(var_sym3).value
def test_demunged_import(testdir: Testdir):
with TemporaryDirectory() as tmpdir:
tmp_module = os.path.join(
tmpdir,
"long__AMP__namespace_name__PLUS__with___LT__punctuation__GT__.lpy"
)
with open(tmp_module, mode="w") as module:
code = """
(ns long&namespace-name+with-<punctuation>)
"""
module.write(code)
with runtime.remove_ns_bindings():
with patch("sys.path",
new=[tmpdir]), patch("sys.meta_path",
new=[importer.BasilispImporter()]):
importlib.import_module(
"long__AMP__namespace_name__PLUS__with___LT__punctuation__GT__"
)
assert (runtime.Namespace.get(
sym.symbol("long&namespace-name+with-<punctuation>"))
is not None)
assert (runtime.Namespace.get(
sym.symbol(
"long__AMP__namespace_name__PLUS__with___LT__punctuation__GT__"
)) is None)
def test_symbol_name_and_ns():
sym = symbol("sym", ns="ns")
assert sym.name == "sym"
assert sym.ns == "ns"
sym = symbol("sym")
assert sym.name == "sym"
assert sym.ns is None
def test_alter_atom_meta():
a = atom.Atom(None)
assert a.meta is None
a.alter_meta(runtime.assoc, "type", sym.symbol("str"))
assert a.meta == lmap.m(type=sym.symbol("str"))
a.alter_meta(runtime.assoc, "tag", kw.keyword("async"))
assert a.meta == lmap.m(type=sym.symbol("str"), tag=kw.keyword("async"))
def test_reset_atom_meta():
a = atom.Atom(None)
assert a.meta is None
a.reset_meta(lmap.map({"type": sym.symbol("str")}))
assert a.meta == lmap.m(type=sym.symbol("str"))
a.reset_meta(lmap.m(tag=kw.keyword("async")))
assert a.meta == lmap.m(tag=kw.keyword("async"))
def test_literal_to_lisp(self):
assert None is runtime.to_lisp(None)
assert 1 == runtime.to_lisp(1)
assert 1.6 == runtime.to_lisp(1.6)
assert "string" == runtime.to_lisp("string")
assert sym.symbol("sym") == runtime.to_lisp(sym.symbol("sym"))
assert sym.symbol("sym", ns="ns") == runtime.to_lisp(sym.symbol("sym", ns="ns"))
assert kw.keyword("kw") == runtime.to_lisp(kw.keyword("kw"))
assert kw.keyword("kw", ns="ns") == runtime.to_lisp(kw.keyword("kw", ns="ns"))
def test_find_safe(
ns_sym: sym.Symbol,
var_name: sym.Symbol,
intern_val,
):
v = Var.intern(ns_sym, var_name, intern_val)
ns_qualified_sym = sym.symbol(var_name.name, ns=ns_sym.name)
v_in_ns = Var.find_safe(ns_qualified_sym)
assert v == v_in_ns
with pytest.raises(RuntimeException):
Var.find_safe(sym.symbol("some-other-var", ns="doesnt.matter"))
def test_reset_ns_meta(
ns_cache: atom.Atom[NamespaceMap],
ns_sym: sym.Symbol,
):
ns = get_or_create_ns(ns_sym)
assert ns.meta is None
ns.reset_meta(lmap.map({"type": sym.symbol("str")}))
assert ns.meta == lmap.m(type=sym.symbol("str"))
ns.reset_meta(lmap.m(tag=kw.keyword("async")))
assert ns.meta == lmap.m(tag=kw.keyword("async"))
def test_alter_ns_meta(
ns_cache: atom.Atom[NamespaceMap],
ns_sym: sym.Symbol,
):
ns = get_or_create_ns(ns_sym)
assert ns.meta is None
ns.alter_meta(runtime.assoc, "type", sym.symbol("str"))
assert ns.meta == lmap.m(type=sym.symbol("str"))
ns.alter_meta(runtime.assoc, "tag", kw.keyword("async"))
assert ns.meta == lmap.m(type=sym.symbol("str"), tag=kw.keyword("async"))
def test_cannot_refer_private(ns_cache: atom.Atom[NamespaceMap]):
ns1 = get_or_create_ns(sym.symbol("ns1"))
var_sym, var_val = sym.symbol("useful-value"), "cool string"
var = Var(ns1, var_sym, meta=lmap.map({kw.keyword("private"): True}))
var.set_value(var_val)
ns1.intern(var_sym, var)
ns2 = get_or_create_ns(sym.symbol("ns2"))
ns2.add_refer(var_sym, var)
assert None is ns2.get_refer(var_sym)
assert None is ns2.find(var_sym)
def test_refer(ns_cache: atom.Atom[NamespaceMap]):
ns1 = get_or_create_ns(sym.symbol("ns1"))
var_sym, var_val = sym.symbol("useful-value"), "cool string"
var = Var(ns1, var_sym)
var.set_value(var_val)
ns1.intern(var_sym, var)
ns2 = get_or_create_ns(sym.symbol("ns2"))
ns2.add_refer(var_sym, var)
assert var is ns2.get_refer(var_sym)
assert var_val == ns2.find(var_sym).value
def test_import_module_without_init(self, make_new_module,
load_namespace):
"""Load a Basilisp namespace and a Basilisp child namespace in the
typical Clojure fashion."""
make_new_module("core.lpy", ns_name="core")
make_new_module("core", "child.lpy", ns_name="core.child")
core = load_namespace("core")
core_child = load_namespace("core.child")
assert "core" == core.find(sym.symbol("val")).value
assert "core.child" == core_child.find(sym.symbol("val")).value
def test_import_basilisp_child_with_basilisp_init(
self, make_new_module, load_namespace):
"""Load a Basilisp package namespace setup as a Python package
and a child Basilisp namespace of that package."""
make_new_module("core", "__init__.lpy", ns_name="core")
make_new_module("core", "sub.lpy", ns_name="core.sub")
core = load_namespace("core")
core_sub = load_namespace("core.sub")
assert "core" == core.find(sym.symbol("val")).value
assert "core.sub" == core_sub.find(sym.symbol("val")).value
def test_symbol_str_and_repr():
sym = symbol("sym", ns="ns")
assert str(sym) == "ns/sym"
assert repr(sym) == "ns/sym"
sym = symbol("sym", ns="some.ns")
assert str(sym) == "some.ns/sym"
assert repr(sym) == "some.ns/sym"
sym = symbol("sym")
assert str(sym) == "sym"
assert repr(sym) == "sym"
def test_alter_var_meta(
ns_sym: sym.Symbol,
var_name: sym.Symbol,
intern_val,
):
v = Var.intern(ns_sym, var_name, intern_val)
assert v.meta is None
v.alter_meta(assoc, "type", sym.symbol("str"))
assert v.meta == lmap.m(type=sym.symbol("str"))
v.alter_meta(assoc, "tag", kw.keyword("async"))
assert v.meta == lmap.m(type=sym.symbol("str"), tag=kw.keyword("async"))
def test_reset_var_meta(
ns_sym: sym.Symbol,
var_name: sym.Symbol,
intern_val,
):
v = Var.intern(ns_sym, var_name, intern_val)
assert v.meta is None
v.reset_meta(lmap.map({"type": sym.symbol("str")}))
assert v.meta == lmap.m(type=sym.symbol("str"))
v.reset_meta(lmap.m(tag=kw.keyword("async")))
assert v.meta == lmap.m(tag=kw.keyword("async"))
def test_unmap(ns_cache: atom.Atom[NamespaceMap]):
ns = get_or_create_ns(sym.symbol("ns1"))
var_sym = sym.symbol("useful-value")
var_val = "cool string"
var = Var(ns, var_sym)
var.set_value(var_val)
ns.intern(var_sym, var)
assert var is ns.find(var_sym)
assert var_val == ns.find(var_sym).value
ns.unmap(var_sym)
assert None is ns.find(var_sym)
def test_import_module_with_namespace_only_pkg(self, make_new_module,
load_namespace):
"""Load a Basilisp namespace and another Basilisp namespace using
a Python namespace package."""
make_new_module("core.lpy", ns_name="core")
make_new_module("core",
"nested",
"child.lpy",
ns_name="core.nested.child")
core = load_namespace("core")
core_nested_child = load_namespace("core.nested.child")
assert "core" == core.find(sym.symbol("val")).value
assert ("core.nested.child" == core_nested_child.find(
sym.symbol("val")).value)
def run_result(self, pytester: Pytester) -> RunResult:
code = """
(ns test-testrunner
(:require
[basilisp.test :refer [deftest is are testing]]))
(deftest assertion-test
(testing "is assertions"
(is true)
(is false)
(is (= "string" "string"))
(is (thrown? basilisp.lang.exception/ExceptionInfo (throw (ex-info "Exception" {}))))
(is (thrown? basilisp.lang.exception/ExceptionInfo (throw (python/Exception))))
(is (throw (ex-info "Uncaught exception" {}))))
(testing "are assertions"
(are [exp actual] (= exp actual)
1 1
:hi :hi
"true" false
4.6 4.6)))
(deftest passing-test
(is true))
(deftest error-test
(throw
(ex-info "This test will count as an error." {})))
"""
pytester.makefile(".lpy", test_testrunner=code)
yield pytester.runpytest()
runtime.Namespace.remove(sym.symbol("test-testrunner"))
def test_imports(ns_cache: atom.Atom[NamespaceMap]):
ns = get_or_create_ns(sym.symbol("ns1"))
time = __import__("time")
ns.add_import(sym.symbol("time"), time, sym.symbol("py-time"),
sym.symbol("py-tm"))
assert time == ns.get_import(sym.symbol("time"))
assert time == ns.get_import(sym.symbol("py-time"))
assert time == ns.get_import(sym.symbol("py-tm"))
assert None is ns.get_import(sym.symbol("python-time"))
def bootstrap_repl(ctx: compiler.CompilerContext,
which_ns: str) -> types.ModuleType:
"""Bootstrap the REPL with a few useful vars and returned the bootstrapped
module so it's functions can be used by the REPL command."""
ns = runtime.Namespace.get_or_create(sym.symbol(which_ns))
eval_str(f"(ns {sym.symbol(which_ns)} (:use basilisp.repl))", ctx, ns,
object())
return importlib.import_module(REPL_NS)
def test_import_module_with_non_code_child(self, make_new_module,
load_namespace):
make_new_module("core.lpy", ns_name="core")
make_new_module("core", "resource.txt", module_text="{}")
core = load_namespace("core")
assert "core" == core.find(sym.symbol("val")).value
def test_find(
ns_sym: sym.Symbol,
var_name: sym.Symbol,
intern_val,
):
v = Var.intern(ns_sym, var_name, intern_val)
ns_qualified_sym = sym.symbol(var_name.name, ns=ns_sym.name)
v_in_ns = Var.find(ns_qualified_sym)
assert v == v_in_ns
def test_refer_does_not_shadow_intern(ns_cache: atom.Atom[NamespaceMap]):
ns1 = get_or_create_ns(sym.symbol("ns1"))
var_sym = sym.symbol("useful-value")
var_val1 = "cool string"
var1 = Var(ns1, var_sym)
var1.set_value(var_val1)
ns1.intern(var_sym, var1)
ns2 = get_or_create_ns(sym.symbol("ns2"))
var_val2 = "lame string"
var2 = Var(ns1, var_sym)
var2.set_value(var_val2)
ns2.intern(var_sym, var2)
ns2.add_refer(var_sym, var1)
assert var1 is ns2.get_refer(var_sym)
assert var_val2 == ns2.find(var_sym).value
def test_symbol_with_meta():
sym = symbol("sym")
assert sym.meta is None
meta1 = lmap.m(type=symbol("str"))
sym1 = symbol("sym", meta=meta1)
assert sym1.meta == meta1
meta2 = lmap.m(tag=keyword("async"))
sym2 = sym1.with_meta(meta2)
assert sym1 is not sym2
assert sym1 == sym2
assert sym2.meta == lmap.m(tag=keyword("async"))
meta3 = lmap.m(tag=keyword("macro"))
sym3 = sym2.with_meta(meta3)
assert sym2 is not sym3
assert sym2 == sym3
assert sym3.meta == lmap.m(tag=keyword("macro"))
def test_import_module_with_invalid_cache_magic_number(
self, module_dir, cached_module_ns, cached_module_file,
load_namespace):
cache_filename = importer._cache_from_source(
os.path.join(module_dir, cached_module_file))
with open(cache_filename, mode="r+b") as f:
f.seek(0)
f.write(b"1999")
using_cache = load_namespace(cached_module_ns)
assert cached_module_ns == using_cache.find(sym.symbol("val")).value
def test_multi_function():
def dispatch(v) -> kw.Keyword:
if v == "i":
return kw.keyword("a")
elif v == "ii":
return kw.keyword("b")
return kw.keyword("default")
def fn_a(v) -> str:
return "1"
def fn_b(v) -> str:
return "2"
def fn_default(v) -> str:
return "BLAH"
f = multifn.MultiFunction(sym.symbol("test-fn"), dispatch,
kw.keyword("default"))
f.add_method(kw.keyword("a"), fn_a)
f.add_method(kw.keyword("b"), fn_b)
f.add_method(kw.keyword("default"), fn_default)
assert (lmap.map({
kw.keyword("a"): fn_a,
kw.keyword("b"): fn_b,
kw.keyword("default"): fn_default,
}) == f.methods)
assert kw.keyword("default") == f.default
assert fn_a is f.get_method(kw.keyword("a"))
assert fn_b is f.get_method(kw.keyword("b"))
assert fn_default is f.get_method(kw.keyword("default"))
assert fn_default is f.get_method(kw.keyword("other"))
assert "1" == f("i")
assert "2" == f("ii")
assert "BLAH" == f("iii")
assert "BLAH" == f("whatever")
f.remove_method(kw.keyword("b"))
assert "1" == f("i")
assert "BLAH" == f("ii")
assert "BLAH" == f("iii")
assert "BLAH" == f("whatever")
f.remove_all_methods()
assert lmap.PersistentMap.empty() == f.methods
with pytest.raises(NotImplementedError):
f("blah")
def test_import_basilisp_and_python_module_siblings(
self, make_new_module, load_namespace):
"""Load a Python module and Basilisp namespace which are siblings."""
make_new_module("core.lpy", ns_name="core")
make_new_module("main.py", module_text="""val = __name__""")
core = load_namespace("core")
pymain = importlib.import_module("main")
assert "core" == core.find(sym.symbol("val")).value
assert "main" == pymain.val
def test_import_module_with_truncated_timestamp(self, module_dir,
cached_module_ns,
cached_module_file,
load_namespace):
cache_filename = importer._cache_from_source(
os.path.join(module_dir, cached_module_file))
with open(cache_filename, mode="w+b") as f:
f.write(importer.MAGIC_NUMBER)
f.write(b"abc")
using_cache = load_namespace(cached_module_ns)
assert cached_module_ns == using_cache.find(sym.symbol("val")).value
def test_import_module_with_invalid_rawsize(self, module_dir,
cached_module_ns,
cached_module_file,
load_namespace):
cache_filename = importer._cache_from_source(
os.path.join(module_dir, cached_module_file))
with open(cache_filename, mode="r+b") as f:
f.seek(8)
f.write(importer._w_long(7733))
using_cache = load_namespace(cached_module_ns)
assert cached_module_ns == using_cache.find(sym.symbol("val")).value