From 301bdd6c96cbee2645dc651de8f01eececcbfbf7 Mon Sep 17 00:00:00 2001
From: jspeed-meyers <jmeyers@iqt.org>
Date: Tue, 23 Feb 2021 13:40:02 -0500
Subject: [PATCH 1/2] Add test for utils.py

---
 tracker/test_utils.py | 48 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 tracker/test_utils.py

diff --git a/tracker/test_utils.py b/tracker/test_utils.py
new file mode 100644
index 0000000..51e1656
--- /dev/null
+++ b/tracker/test_utils.py
@@ -0,0 +1,48 @@
+"""Unit tests for utils.py"""
+
+import pytest
+
+from utils import bearing, calc_travel, coordinate_distance, deg2rad, elevation
+
+
+def test_deg2rad():
+    """Unit tests for deg2rad()."""
+    # Note: python's math package includes a radians function that
+    # converts degrees to radians. This function could be eliminated
+    # to reduce custom code.
+    assert deg2rad(57.2958) == 1.0000003575641672
+    assert deg2rad(1) == 0.017453292519943295
+    assert deg2rad(-1) == -0.017453292519943295
+
+
+@pytest.mark.skip(reason="Insufficient documentation to test. No docstrings.")
+def test_elevation():
+    """Unit test for elevation()."""
+    pass
+
+
+def test_bearing():
+    """Unit test for bearing()."""
+    # Example from: https://www.igismap.com/formula-to-find-bearing-or-heading-angle-between-two-points-latitude-longitude/
+    lat1, long1 = 39.099912, -94.581213
+    lat2, long2 = 38.627089, -90.200203
+    expected_bearing = 96.51262423499941
+    assert bearing(lat1, long1, lat2, long2) == expected_bearing
+
+
+def test_coordinate_distance():
+    """Unit test for coordinate_distance()."""
+    # Used this app to calculate distance: https://www.movable-type.co.uk/scripts/latlong.html
+    lat1, long1 = 39.099912, -94.581213
+    lat2, long2 = 38.627089, -90.200203
+    expected_distance = 382900.05037560174
+    assert coordinate_distance(lat1, long1, lat2, long2) == expected_distance
+
+
+@pytest.mark.skip(reason="Insufficient documentation to test. What is lead_s?")
+def test_calc_travel():
+    """Unit test for calc_travel()."""
+    # note: the code in calc_travel is hard to understand because of the tangle
+    # of calculations. consider reformatting and explaining or explore the possibility
+    # using geopy
+    pass

From aa9e7d91b4a5fc38853e0575ee17a631b6fd8cc1 Mon Sep 17 00:00:00 2001
From: jspeed-meyers <jmeyers@iqt.org>
Date: Tue, 23 Feb 2021 15:20:34 -0500
Subject: [PATCH 2/2] Add readme explanation of pytest and a requirements.txt

---
 README.md        | 8 ++++++++
 requirements.txt | 1 +
 2 files changed, 9 insertions(+)
 create mode 100644 requirements.txt

diff --git a/README.md b/README.md
index 8c367f0..a838378 100644
--- a/README.md
+++ b/README.md
@@ -82,4 +82,12 @@ sudo raspi-config
 - Camera
 - Enable
 
+### Testing with pytest
+
+To run tests with pytest, run:
+
+```bash
+pytest
+```
+
 
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..8aa50dd
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+pytest==6.2.2
\ No newline at end of file