Hello, world!

projects/lilith/test/python/test_interpreter.py

@@ -0,0 +1,34 @@
+"""
+
+"""
+
+from lilith.interpreter import Bindings, Runtime, eval
+from lilith.reader import Module
+from lilith.parser import Args, Apply
+
+import pytest
+
+
+@pytest.mark.parametrize('expr, expected', [
+    (1, 1),
+    ([1, 2], [1, 2]),
+    ({"foo": "bar"}, {"foo": "bar"}),
+])
+def test_eval(expr, expected):
+    assert eval(
+        Runtime("test", dict()),
+        Module("__repl__", dict()),
+        Bindings("__root__", None),
+        expr
+    ) == expected
+
+
+def test_hello_world(capsys):
+    assert eval(
+        Runtime("test", {}),
+        Module("__repl__", {"print": print}),
+        Bindings("__root__", None),
+        Apply("print", Args(["hello, world"], {}))
+    ) is None
+    captured = capsys.readouterr()
+    assert captured.out == "hello, world\n"

projects/lilith/test/python/test_reader.py

@@ -12,5 +12,4 @@ import pytest
 ])
 def test_read(example, expected):
     got = read_buffer(example)
-    print(got)
     assert got == expected