Basic test runner for py.test. Compiles Mochi files to Python bytecode.

mochi/utils/pycloader.py

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+"""Import a Python object made by compiling a Mochi file.
+"""
+
+import os
+
+from mochi.core import pyc_compile_monkeypatch
+
+
+def get_function(name, file_path):
+    """Python function from Mochi.
+
+    Compiles a Mochi file to Python bytecode and returns the
+    imported function.
+    """
+    base_path = os.path.dirname(file_path)
+    mochi_name = os.path.join(base_path, name + '.mochi')
+    py_name = os.path.join(base_path, name + '_comp.pyc')
+    pyc_compile_monkeypatch(mochi_name, py_name)
+    return getattr(__import__(name), name)

tasks.py

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+"""Using `invoke` to start tests and and other commandline tools.
+"""
+
+from invoke import run, task
+
+
+@task
+def test():
+    """Run standard tests.
+
+
+    Usage (commandline): inv test
+    """
+    run('py.test --assert=reinterp', pty=True)

tests/factorial.mochi

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+def factorial:
+    n: factorial(n, 1)
+    0, acc: acc
+    n, acc: factorial(n - 1, acc * n)

tests/test_patternmatching.py

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+import os
+
+from mochi.utils.pycloader import get_function
+
+factorial = get_function('factorial', __file__)
+
+def test_factorial_1():
+    assert factorial(1) == 1
+
+def test_factorial_2():
+    assert factorial(2) == 2
+
+
+