From 17e8468f5885de9d5ddec7da24ba72e42d353f00 Mon Sep 17 00:00:00 2001
From: Simon Albinsson <giunk@zxz.se>
Date: Thu, 12 Apr 2018 21:38:52 +0000
Subject: [PATCH] test: naive test of crc

---
 tests/test_sgp.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tests/test_sgp.py b/tests/test_sgp.py
index d8623c4..5fda0fb 100644
--- a/tests/test_sgp.py
+++ b/tests/test_sgp.py
@@ -22,5 +22,20 @@ class SimpleReadTests(unittest.TestCase):
     def setUp(self):
         self.bus = MockSMBus()
         self.sgp=sgp30.sgp30.Sgp30(self.bus)
+
     def test_read(self):
         self.assertEqual(self.sgp.read_measurements().data,[400,6])
+
+    #No real need to do this super-carefully
+    #or i will just be testing my own test code
+    #just make sure that CRC test are used, maybe..
+    def test_crc_ok(self):
+        d=self.sgp.read_measurements()
+        self.assertEqual(d.crc_ok,True)
+
+    def test_crc_fail(self):
+        bus=MockSMBus(break_crc=True)
+        sgp=sgp30.sgp30.Sgp30(bus)
+        d=sgp.read_measurements()
+        self.assertEqual(d.data,[400,6])
+        self.assertEqual(d.crc_ok,False)