Initial testing setup

Setting up the program structure for unit testing

linkages/src/example.py

@@ -0,0 +1,13 @@
+class Foo:
+
+    def __init__(self, x):
+        assert type(x) is int
+        self.x = x
+
+    def is_positive(self):
+        return self.x > 0
+
+    def get_tens(self):
+        return self.x % 10
+
+

linkages/tests/test_example.py

@@ -0,0 +1,28 @@
+import pytest
+from linkages.src.example import Foo
+
+def test_create():
+    foo = Foo(10)
+    assert foo.x == 10
+
+    try:
+        Foo('a')
+        assert False
+    except AssertionError:
+        pass
+
+def test_positive():
+    pos = Foo(10)
+    zero = Foo(0)
+    neg = Foo(-10)
+
+    assert pos.is_positive()
+    assert not zero.is_positive()
+    assert not neg.is_positive()
+
+def test_tens():
+    a = Foo(0)
+
+    for i in range(1000):
+        a.x = i
+        assert a.x % 10 == a.get_tens()

setup.py

@@ -0,0 +1,9 @@
+from setuptools import setup
+
+setup(
+    name='linkage-tests',
+    version='0.1',
+    install_requires=['pytest'],
+    packages=['linkages'],
+    package_data={'linkages': ['tests/*', 'tests/**/*']},
+)