From 451a3785a221ad9e988048fe28cd4f7c7ee8efa3 Mon Sep 17 00:00:00 2001
From: Giles Gaskell <gilesgas@gmail.com>
Date: Tue, 28 Nov 2017 17:30:45 +1100
Subject: [PATCH] Add Python source files

* And update .gitignore
---
 .DS_Store            | Bin 6148 -> 0 bytes
 .gitignore           |   1 +
 sources/calc.py      |   5 +++++
 sources/test_calc.py |  33 +++++++++++++++++++++++++++++++++
 4 files changed, 39 insertions(+)
 delete mode 100644 .DS_Store
 create mode 100644 sources/calc.py
 create mode 100644 sources/test_calc.py

diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 963ba9d4ba24be2f83614f3307ce1964131d7fc6..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 6148
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zP&bL_)z3y`?&FAB+{XqscMm=9p#Im(C+ZKpz1oR4Qy1wb#(*(k3>*Xl=-DjOQ$e%F
zfH7bU>=@whgNHH(#ZEAOI$+`m0OVh@C|L6>!8u+rD0YJIK%ArkCDrMO;UpdVUgLsd
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zB<-!q!*Q?m&}%3Q$900c6f9yZMl84Db7&OodtLy8Vkd|li2Vpe8q632f6Bl&UISiX

diff --git a/.gitignore b/.gitignore
index 113294a..0bb8ddd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.DS_store
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
diff --git a/sources/calc.py b/sources/calc.py
new file mode 100644
index 0000000..d1cbd6c
--- /dev/null
+++ b/sources/calc.py
@@ -0,0 +1,5 @@
+'''
+A simple addition function.
+'''
+def add(a, b):
+    return a + b
diff --git a/sources/test_calc.py b/sources/test_calc.py
new file mode 100644
index 0000000..02f41f8
--- /dev/null
+++ b/sources/test_calc.py
@@ -0,0 +1,33 @@
+import calc
+import unittest
+
+class TestAdd(unittest.TestCase):
+    """
+    Test the add function from the calc library
+    """
+
+    def test_add_integers(self):
+        """
+        Test that the addition of two integers returns the correct total
+        """
+        result = calc.add(1, 2)
+        self.assertEqual(result, 3)
+
+    def test_add_floats(self):
+        """
+        Test that the addition of two floats returns the correct result
+        """
+        result = calc.add(10.5, 2)
+        self.assertEqual(result, 12.5)
+
+    def test_add_strings(self):
+        """
+        Test the addition of two strings returns the two string as one
+        concatenated string
+        """
+        result = calc.add('abc', 'def')
+        self.assertEqual(result, 'abcdef')
+
+
+if __name__ == '__main__':
+    unittest.main()